Graphic edit and Spatial Analyst
This commit is contained in:
PeterZhong
parent
f735e0f239
commit
59f3c97c1e
@ -6,7 +6,8 @@
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xmlns:esri="http://schemas.esri.com/arcgis/runtime/2013"
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xmlns:local="clr-namespace:GisDevelop_Exp"
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mc:Ignorable="d"
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Title="GIS开发实验" Height="450" Width="800">
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Title="GIS开发实验" Height="450" Width="800"
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MouseLeftButtonDown="LayerListBox_OnPreviewMouseLeftButtonDown">
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<Window.Resources>
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<local:MapViewModel x:Key="MapViewModel" />
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</Window.Resources>
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@ -30,37 +31,111 @@
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<MenuItem x:Name="Menu_Click_Indentify" Header="点击查询" Click="Menu_Click_Indentify_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Identify_Indentify" Header="Indentify查询" Click="Menu_Identify_Indentify_OnClick"></MenuItem>
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</MenuItem>
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<MenuItem x:Name="Menu_Symbology" Header="符号系统">
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<MenuItem x:Name="Menu_Symbology" Header="符号设计">
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<MenuItem x:Name="Menu_Point_Add_Layer" Header="添加图层" Click="Menu_OpenShp_Click"></MenuItem>
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<MenuItem x:Name="Menu_Point_Draw_Point" Header="画点" Click="Menu_Point_Symbol_Click"></MenuItem>
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<MenuItem x:Name="Menu_Point_Draw_Line" Header="画线" Click="Menu_Point_Draw_Line_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Point_Draw_Polygon" Header="画面" Click="Menu_Point_Draw_Polygon_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Layers_Options" Header="符号系统" Click="Menu_Layers_Options_OnClick"></MenuItem>
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</MenuItem>
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<MenuItem x:Name="Menu_Thematic_Map" Header="专题地图">
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<MenuItem x:Name="Menu_Simple_Color" Header="简单着色" Click="Menu_Simple_Color_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Unique_Color" Header="唯一值着色" Click="Menu_Unique_Color_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Level_Color" Header="分级着色" Click="Menu_Level_Color_OnClick"></MenuItem>
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</MenuItem>
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<MenuItem x:Name="Menu_Spatial_Analyst" Header="空间分析">
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<MenuItem x:Name="Menu_Clip" Header="裁剪" Click="Menu_Clip_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Cut" Header="剪切" Click="Menu_Cut_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Union" Header="联合" Click="Menu_Union_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Intersect" Header="求交" Click="Menu_Intersect_OnClick"></MenuItem>
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<Separator></Separator>
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<MenuItem x:Name="Menu_Topology" Header="拓扑纠正" Click="Menu_Topology_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Simplify" Header="简化" Click="Menu_Simplify_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Buffer" Header="缓冲" Click="Menu_Buffer_OnClick"></MenuItem>
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<MenuItem x:Name="Menu_Intersection_Point" Header="求交点" Click="Menu_Intersection_Point_OnClick"></MenuItem>
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</MenuItem>
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</Menu>
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<esri:MapView x:Name="MainMapView" Map="{Binding Map, Source={StaticResource MapViewModel}}" Margin="0,19,0,0" ViewpointChanged="MainMapView_OnViewpointChanged" GeoViewTapped="MainMapView_OnGeoViewTapped" MouseLeftButtonDown="MainMapView_OnMouseLeftButtonDown" MouseRightButtonDown="MainMapView_OnMouseRightButtonDown"/>
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<ListBox x:Name="LayerListBox" Width="143" SelectedIndex="0" RenderTransformOrigin="0.451,1.105" Margin="0,37,0,13" HorizontalAlignment="Left" PreviewMouseMove="LayerListBox_OnPreviewMouseMove" Drop="LayerListBox_OnDrop" ItemStringFormat="删除">
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<ListBox.ContextMenu>
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<ContextMenu/>
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</ListBox.ContextMenu>
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<esri:MapView x:Name="MainMapView" Map="{Binding Map, Source={StaticResource MapViewModel}}" Margin="0,19,0,0"
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ViewpointChanged="MainMapView_OnViewpointChanged" GeoViewTapped="MainMapView_OnGeoViewTapped"
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MouseLeftButtonDown="MainMapView_OnMouseLeftButtonDown"
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MouseRightButtonDown="MainMapView_OnMouseRightButtonDown" />
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<ListBox x:Name="LayerListBox" Width="143" SelectedIndex="0" RenderTransformOrigin="0.451,1.105"
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Margin="0,56,0,13" HorizontalAlignment="Left" PreviewMouseMove="LayerListBox_OnPreviewMouseMove"
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Drop="LayerListBox_OnDrop" PreviewMouseRightButtonDown="LayerListBox_OnPreviewMouseRightButtonDown"
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PreviewMouseLeftButtonDown="LayerListBox_OnPreviewMouseLeftButtonDown">
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<!-- <ListBox.ContextMenu> -->
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<!-- <ContextMenu> -->
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<!-- <MenuItem Header="删除" x:Name="Context_Menu_Delete" Click="Context_Menu_Delete_OnClick"/> -->
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<!-- <MenuItem Header="缩放至图层" x:Name="Context_Menu_Fit" Click="Context_Menu_Fit_OnClick"/> -->
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<!-- <MenuItem Header="图层符号化" x:Name="Context_Menu_Symbology" Click="Context_Menu_Symbology_OnClick"/> -->
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<!-- </ContextMenu> -->
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<!-- </ListBox.ContextMenu> -->
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</ListBox>
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<Border BorderBrush="#FF8B1D76" BorderThickness="2,2,2,2" HorizontalAlignment="Right" Height="180" Width="202" VerticalAlignment="Top" IsEnabled="False">
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<Popup x:Name="Layer_Popup" Placement="MousePoint" StaysOpen="True">
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<Border Background="White" BorderBrush="Gray" BorderThickness="0.5">
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<StackPanel>
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<MenuItem Header="删除" x:Name="Context_Menu_Delete" Click="Context_Menu_Delete_OnClick" />
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<MenuItem Header="缩放至图层" x:Name="Context_Menu_Fit" Click="Context_Menu_Fit_OnClick" />
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<MenuItem Header="图层符号化" x:Name="Context_Menu_Symbology" Click="Context_Menu_Symbology_OnClick" />
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</StackPanel>
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</Border>
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</Popup>
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<Border BorderBrush="#FF8B1D76" BorderThickness="2,2,2,2" HorizontalAlignment="Right" Height="180" Width="202"
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VerticalAlignment="Top" IsEnabled="False">
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<esri:MapView x:Name="EagleMapView" />
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</Border>
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<Border BorderBrush="#000000" BorderThickness="1" HorizontalAlignment="Right" Height="24" Width="202" VerticalAlignment="Top" IsEnabled="True" Margin="580,210,0,0" Background="{DynamicResource {x:Static SystemColors.ControlBrushKey}}">
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<ComboBox x:Name="BasemapChooser" HorizontalAlignment="Left" Height="24" Margin="9,-1,0,-1" VerticalAlignment="Top" Width="182" SelectionChanged="BasemapChooser_OnSelectionChanged" IsEnabled="True"/>
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<Border BorderBrush="#000000" BorderThickness="1" HorizontalAlignment="Right" Height="24" Width="202"
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VerticalAlignment="Top" IsEnabled="True" Margin="580,210,0,0"
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Background="{DynamicResource {x:Static SystemColors.ControlBrushKey}}">
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<ComboBox x:Name="BasemapChooser" HorizontalAlignment="Left" Height="24" Margin="9,-1,0,-1"
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VerticalAlignment="Top" Width="182" SelectionChanged="BasemapChooser_OnSelectionChanged"
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IsEnabled="True" />
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</Border>
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<!-- <ToolBar HorizontalAlignment="Left" Height="29" Margin="0,20,0,0" VerticalAlignment="Top" Width="361"> -->
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<!-- <Button x:Name="Btn_Add_Shp" Height="32" Width="32" Click="Menu_OpenShp_Click"> -->
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<!-- <Button.Background> -->
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<!-- <ImageBrush ImageSource="D:\01_Development\10_Visual_Studio_Project\GisDevelop\GisDevelop_Exp\GisDevelop_Exp\add.png"/> -->
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<!-- </Button.Background> -->
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<!-- </Button> -->
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<!-- <Button x:Name="Btn_Add_Online" Height="32" Width="32" Click="Btn_Add_Online_OnClick"> -->
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<!-- <Button.Background> -->
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<!-- <ImageBrush ImageSource="D:\01_Development\10_Visual_Studio_Project\GisDevelop\GisDevelop_Exp\GisDevelop_Exp\online.png"/> -->
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<!-- </Button.Background> -->
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<!-- </Button> -->
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<!-- </ToolBar> -->
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<Grid Margin="0,18,0,350" Background="White">
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<Button x:Name="BtnDraw" Content="开始绘制" HorizontalAlignment="Left" Height="26"
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Margin="169,4,0,0" VerticalAlignment="Top" Width="68" Click="BtnDraw_Click" IsEnabled="False" />
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<Label Content="类型" HorizontalAlignment="Left" Margin="51,4,0,0"
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VerticalAlignment="Top" RenderTransformOrigin="1.618,0.654" />
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<ComboBox x:Name="SketchModeComboBox" HorizontalAlignment="Left" Margin="90,4,0,0"
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VerticalAlignment="Top" Width="62" IsEnabled="False" />
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<Button x:Name="BtnEdit" Content="编辑 " HorizontalAlignment="Left" Height="26"
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Margin="257,4,0,0" VerticalAlignment="Top" Width="68" IsEnabled="False" Click="BtnEdit_Click" />
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<Button x:Name="BtnUndo" Content="撤销 " HorizontalAlignment="Left" Height="26"
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Margin="349,4,0,0" VerticalAlignment="Top" Width="68" Command="{Binding UndoCommand}"
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IsEnabled="False" />
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<Button x:Name="BtnRedo" Content="恢复" HorizontalAlignment="Left" Height="26"
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Margin="440,4,0,0" VerticalAlignment="Top" Width="68" Command="{Binding RedoCommand}"
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IsEnabled="False" />
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<Button x:Name="BtnComplete" Content="完成" HorizontalAlignment="Left" Height="26"
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Margin="525,4,0,0" VerticalAlignment="Top" Width="68" RenderTransformOrigin="1.412,0.308"
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Command="{Binding CompleteCommand}" IsEnabled="False" />
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<Button x:Name="BtnCancel" Content="取消" HorizontalAlignment="Left" Height="26"
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Margin="610,4,0,0" VerticalAlignment="Top" Width="68" RenderTransformOrigin="1.412,0.308"
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Command="{Binding CancelCommand}" IsEnabled="False" />
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<Button x:Name="BtnClear" Content="清空" HorizontalAlignment="Left" Height="26"
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Margin="695,4,0,0" VerticalAlignment="Top" Width="68" RenderTransformOrigin="1.412,0.308"
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IsEnabled="False" Click="BtnClear_Click" />
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<CheckBox x:Name="CBEditBegin" Content="开始" HorizontalAlignment="Left"
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Margin="5,9,0,0" VerticalAlignment="Top" RenderTransformOrigin="1.073,1.812"
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Checked="CBEditBegin_Checked" />
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</Grid>
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<Border HorizontalAlignment="Right" VerticalAlignment="Bottom">
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<ToolBar HorizontalAlignment="Left" Height="32" VerticalAlignment="Top" Width="150" Margin="0,0,10,10"
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x:Name="MovableToolbar">
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<Button x:Name="Btn_Add_Shp" Height="32" Width="32" Click="Menu_OpenShp_Click">
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<Button.Background>
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<ImageBrush
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ImageSource="D:\01_Development\10_Visual_Studio_Project\GisDevelop\GisDevelop_Exp\GisDevelop_Exp\add.png" />
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</Button.Background>
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</Button>
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<Button x:Name="Btn_Add_Online" Height="32" Width="32" Click="Btn_Add_Online_OnClick">
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<Button.Background>
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<ImageBrush
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ImageSource="D:\01_Development\10_Visual_Studio_Project\GisDevelop\GisDevelop_Exp\GisDevelop_Exp\online.png" />
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</Button.Background>
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</Button>
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</ToolBar>
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</Border>
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</Grid>
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</Window>
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@ -7,6 +7,7 @@ using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Controls.Primitives;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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@ -35,6 +36,15 @@ enum CURRENTOPERATION
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DrawPoint,
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DrawLine,
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DrawPolygon,
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Cal_Clip,
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Cal_Cut,
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Cal_Union,
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Cal_IntersectPoint,
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Cal_Simplify,
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Cal_Intersect,
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Cal_Intersection,
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Cal_Gene,
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Cal_Buff
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}
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namespace GisDevelop_Exp
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@ -59,6 +69,15 @@ namespace GisDevelop_Exp
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private SimpleFillSymbol fillSymbol;
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private SimpleLineSymbol outlineSymbol;
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private Symbol pSymbol;
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private ListBoxItem cur_LayerItem;
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private GraphicsOverlay _pGraphicsOverLay;
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private Point _startPoint;
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private List<Graphic> listOfClipGraphics; //几何操作时选择的图形
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private readonly Dictionary<string, Basemap> _basemapOptions = new Dictionary<string, Basemap>()
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{
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{ "Streets (Raster)", new Basemap(BasemapStyle.OSMStreets) },
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@ -76,13 +95,23 @@ namespace GisDevelop_Exp
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private CURRENTOPERATION m_CurOper;
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List<System.Drawing.Color> ColorArray = new List<Color>
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{
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Color.AliceBlue, Color.AntiqueWhite, Color.Aqua, Color.Aquamarine, Color.Azure,
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Color.Beige, Color.Bisque, Color.Black, Color.BlanchedAlmond, Color.Blue, Color.Brown,
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Color.BurlyWood, Color.CadetBlue, Color.Chocolate, Color.Coral, Color.CornflowerBlue,
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Color.Cornsilk, Color.Crimson, Color.Cyan, Color.FloralWhite, Color.Green, Color.GreenYellow,
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Color.HotPink, Color.LawnGreen, Color.Magenta
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};
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public MainWindow()
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{
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InitializeComponent();
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pointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, System.Drawing.Color.Blue, 3);
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lineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.Blue, 1);
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fillSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, System.Drawing.Color.Blue,new SimpleLineSymbol(SimpleLineSymbolStyle.Solid,System.Drawing.Color.Pink,1));
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fillSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, System.Drawing.Color.Blue,
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new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.Pink, 1));
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outlineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.Blue, 1);
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linePoints = new List<MapPoint>();
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@ -93,6 +122,7 @@ namespace GisDevelop_Exp
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EagleMapView.Map = new Map(BasemapStyle.ArcGISImageryStandard);
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GraphicsOverlay graphicLayer = new GraphicsOverlay();
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MainMapView.GraphicsOverlays.Add(graphicLayer);
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listOfClipGraphics = new List<Graphic>();
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}
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private void Initialize()
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@ -134,6 +164,7 @@ namespace GisDevelop_Exp
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await MainMapView.SetViewpointGeometryAsync(openedFeature.Extent);
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}
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}
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AddLayerNameToList();
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}
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@ -169,6 +200,7 @@ namespace GisDevelop_Exp
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MainMapView.Map.InitialViewpoint = geodatabaseViewPoint;
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// MainMapView.Map = geodatabaseMap;
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}
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AddLayerNameToList();
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}
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@ -331,7 +363,7 @@ namespace GisDevelop_Exp
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AddLayerNameToList();
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}
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private void MainMapView_OnGeoViewTapped(object? sender, GeoViewInputEventArgs e)
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private async void MainMapView_OnGeoViewTapped(object? sender, GeoViewInputEventArgs e)
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{
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MainMapView.DismissCallout();
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if (m_CurOper == CURRENTOPERATION.NullOpe)
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@ -354,7 +386,8 @@ namespace GisDevelop_Exp
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FunClickQuery(e.Location, _featureLayer);
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}
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}
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}else if (m_CurOper == CURRENTOPERATION.IdentifyQuery)
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}
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else if (m_CurOper == CURRENTOPERATION.IdentifyQuery)
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{
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if (MainMapView.Map.OperationalLayers.Count > 0)
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{
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@ -365,6 +398,249 @@ namespace GisDevelop_Exp
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}
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}
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}
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else if (m_CurOper == CURRENTOPERATION.Cal_Buff)
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{
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IdentifyGraphicsOverlayResult gResult_Buff =
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await MainMapView.IdentifyGraphicsOverlayAsync(_pGraphicsOverLay, e.Position, 5, false);
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if (gResult_Buff.Graphics.Count < 1)
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{
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return;
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}
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Graphic selGraphic_Buff = gResult_Buff.Graphics.First();
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selGraphic_Buff.IsSelected = true;
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listOfClipGraphics.Add(selGraphic_Buff); //记录所选图形
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if (listOfClipGraphics.Count == 1) //图形数目为1时，进行缓冲计算
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{
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Graphic g1 = listOfClipGraphics[0];
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Esri.ArcGISRuntime.Geometry.Geometry resultGeometry =
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GeometryEngine.Buffer(g1.Geometry, 500000.0); //执行缓冲操作
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if (resultGeometry != null) //处理结果
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{
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_pGraphicsOverLay.Graphics.Remove(g1); //从图形层中移除原图形
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Graphic clipedGraphic = new Graphic(resultGeometry, new
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SimpleFillSymbol(SimpleFillSymbolStyle.Solid, Color.FromArgb(125, 255, 250, 0), new
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SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.FromArgb(0, 0, 0),
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4.0))); //利用剪切结果构造新的图形
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_pGraphicsOverLay.Graphics.Add(clipedGraphic);
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m_CurOper = CURRENTOPERATION.NullOpe;
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}
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listOfClipGraphics.Clear(); //清空图形选择集合
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_pGraphicsOverLay.ClearSelection(); //清空图形层所选
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}
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}
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else if (m_CurOper == CURRENTOPERATION.Cal_Union)
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{
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Console.WriteLine("Inside the if condition");
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IdentifyGraphicsOverlayResult gResultUnion = await
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MainMapView.IdentifyGraphicsOverlayAsync(_pGraphicsOverLay, e.Position, 5, false);
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if (gResultUnion.Graphics.Count < 1)
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{
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return;
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}
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Graphic selGraphicUnion = gResultUnion.Graphics.First(); //每次选中的Graphic取出来，放
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selGraphicUnion.IsSelected = true;
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listOfClipGraphics.Add(selGraphicUnion); //记录所选图形
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if (listOfClipGraphics.Count == 2) //图形数目为2时，进行剪切计算
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{
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Graphic g1 = listOfClipGraphics[0];
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Graphic g2 = listOfClipGraphics[1];
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if (g1.Geometry.GeometryType != GeometryType.Polygon ||
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g2.Geometry.GeometryType != GeometryType.Polygon) //如果所选图形不是多边形，则退出
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{
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MessageBox.Show("请选择两个多边形图形！");
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listOfClipGraphics.Clear();
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_pGraphicsOverLay.ClearSelection();
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return;
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}
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Esri.ArcGISRuntime.Geometry.Geometry resultGeometry =
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GeometryEngine.Union(g1.Geometry, g2.Geometry); //执行联合操作
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if (resultGeometry != null) //处理结果
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{
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_pGraphicsOverLay.Graphics.Remove(g1); //从图形层中移除原图形
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_pGraphicsOverLay.Graphics.Remove(g2);
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Graphic clipedGraphic = new Graphic(resultGeometry, fillSymbol); //利用联合结果构建新的图形
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_pGraphicsOverLay.Graphics.Add(clipedGraphic);
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m_CurOper = CURRENTOPERATION.NullOpe;
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}
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listOfClipGraphics.Clear(); //清空图形选择集合
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_pGraphicsOverLay.ClearSelection(); //清空图形层所选
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}
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}
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else if (m_CurOper == CURRENTOPERATION.Cal_Cut)
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{
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IdentifyGraphicsOverlayResult gResult_Cut = await
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MainMapView.IdentifyGraphicsOverlayAsync(_pGraphicsOverLay, e.Position, 5, false);
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if (gResult_Cut.Graphics.Count < 1)
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{
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return;
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}
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Graphic selGraphic_Cut = gResult_Cut.Graphics.First();
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selGraphic_Cut.IsSelected = true;
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listOfClipGraphics.Add(selGraphic_Cut); //记录所选图形
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if (listOfClipGraphics.Count == 2) //图形数目为1时，进行剪切计算
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{
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Graphic g1 = listOfClipGraphics[0];
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Graphic g2 = listOfClipGraphics[1];
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||||
if (g1.Geometry.GeometryType != GeometryType.Polygon ||
|
||||
g2.Geometry.GeometryType != GeometryType.Polyline) //如果所选图形不是多边形，则退出
|
||||
{
|
||||
MessageBox.Show("请先选择一个面要素后再选择一个线要素.");
|
||||
listOfClipGraphics.Clear();
|
||||
_pGraphicsOverLay.ClearSelection();
|
||||
return;
|
||||
}
|
||||
|
||||
Esri.ArcGISRuntime.Geometry.Polyline polyLine =
|
||||
(Esri.ArcGISRuntime.Geometry.Polyline)g2.Geometry;
|
||||
Esri.ArcGISRuntime.Geometry.Geometry[] resultGeometry =
|
||||
GeometryEngine.Cut(g1.Geometry, polyLine); //执行剪切操作
|
||||
if (resultGeometry != null) //处理结果
|
||||
{
|
||||
_pGraphicsOverLay.Graphics.Remove(g1);
|
||||
_pGraphicsOverLay.Graphics.Remove(g2);
|
||||
|
||||
for (int z = 0; z < resultGeometry.Length; z++)
|
||||
{
|
||||
Graphic clipedGraphic = new Graphic(resultGeometry[z],
|
||||
fillSymbol); //利 用剪切结果构建新的图形
|
||||
_pGraphicsOverLay.Graphics.Add(clipedGraphic);
|
||||
}
|
||||
|
||||
m_CurOper = CURRENTOPERATION.NullOpe;
|
||||
}
|
||||
|
||||
listOfClipGraphics.Clear(); //清空图形选择集合
|
||||
_pGraphicsOverLay.ClearSelection(); //清空图形层所选
|
||||
}
|
||||
}else if (m_CurOper == CURRENTOPERATION.Cal_Intersection)
|
||||
{
|
||||
IdentifyGraphicsOverlayResult gResult_Intersect = await MainMapView.IdentifyGraphicsOverlayAsync(_pGraphicsOverLay, e.Position, 5, false);
|
||||
if (gResult_Intersect.Graphics.Count < 1)
|
||||
return;
|
||||
Graphic selGraphic_Intersect = gResult_Intersect.Graphics.First();
|
||||
selGraphic_Intersect.IsSelected = true;
|
||||
listOfClipGraphics.Add(selGraphic_Intersect); //记录所选图形
|
||||
if (listOfClipGraphics.Count == 2) //图形数目为2时，进行求交计算
|
||||
{
|
||||
Graphic g1 = listOfClipGraphics[0];
|
||||
Graphic g2 = listOfClipGraphics[1];
|
||||
|
||||
IReadOnlyList<Geometry> resultGeometry = GeometryEngine.Intersections(g1.Geometry, g2.Geometry); //执行求交点操作
|
||||
// Geometry resultGeometry = GeometryEngine.Intersection(g1.Geometry, g2.Geometry); //执行求交操作
|
||||
if (resultGeometry != null) //处理结果
|
||||
{
|
||||
_pGraphicsOverLay.Graphics.Remove(g1);
|
||||
_pGraphicsOverLay.Graphics.Remove(g2);
|
||||
|
||||
foreach (var pointGeometry in resultGeometry)
|
||||
{
|
||||
Graphic clipedGraphic = new Graphic(pointGeometry, pointSymbol); //利用求交结果构建新的图形
|
||||
_pGraphicsOverLay.Graphics.Add(clipedGraphic);
|
||||
}
|
||||
m_CurOper = CURRENTOPERATION.NullOpe;
|
||||
}
|
||||
listOfClipGraphics.Clear();//清空图形选择集合
|
||||
_pGraphicsOverLay.ClearSelection();//清空图形层所选
|
||||
}
|
||||
}else if (m_CurOper == CURRENTOPERATION.Cal_Intersect)
|
||||
{
|
||||
IdentifyGraphicsOverlayResult gResult_Intersect = await MainMapView.IdentifyGraphicsOverlayAsync(_pGraphicsOverLay, e.Position, 5, false);
|
||||
if (gResult_Intersect.Graphics.Count < 1)
|
||||
return;
|
||||
Graphic selGraphic_Intersect = gResult_Intersect.Graphics.First();
|
||||
selGraphic_Intersect.IsSelected = true;
|
||||
listOfClipGraphics.Add(selGraphic_Intersect); //记录所选图形
|
||||
if (listOfClipGraphics.Count == 2) //图形数目为2时，进行求交计算
|
||||
{
|
||||
Graphic g1 = listOfClipGraphics[0];
|
||||
Graphic g2 = listOfClipGraphics[1];
|
||||
|
||||
// IReadOnlyList<Geometry> resultGeometry = GeometryEngine.Intersections(g1.Geometry, g2.Geometry); //执行求交点操作
|
||||
Geometry resultGeometry = GeometryEngine.Intersection(g1.Geometry, g2.Geometry); //执行求交操作
|
||||
if (resultGeometry != null) //处理结果
|
||||
{
|
||||
_pGraphicsOverLay.Graphics.Remove(g1);
|
||||
_pGraphicsOverLay.Graphics.Remove(g2);
|
||||
|
||||
Graphic clipedGraphic = new Graphic(resultGeometry, pointSymbol); //利用求交结果构建新的图形
|
||||
_pGraphicsOverLay.Graphics.Add(clipedGraphic);
|
||||
m_CurOper = CURRENTOPERATION.NullOpe;
|
||||
}
|
||||
listOfClipGraphics.Clear();//清空图形选择集合
|
||||
_pGraphicsOverLay.ClearSelection();//清空图形层所选
|
||||
}
|
||||
}else if (m_CurOper == CURRENTOPERATION.Cal_Clip)
|
||||
{
|
||||
IdentifyGraphicsOverlayResult gResult_Intersect = await MainMapView.IdentifyGraphicsOverlayAsync(_pGraphicsOverLay, e.Position, 5, false);
|
||||
if (gResult_Intersect.Graphics.Count < 1)
|
||||
return;
|
||||
Graphic selGraphic_Intersect = gResult_Intersect.Graphics.First();
|
||||
selGraphic_Intersect.IsSelected = true;
|
||||
listOfClipGraphics.Add(selGraphic_Intersect); //记录所选图形
|
||||
if (listOfClipGraphics.Count == 2) //图形数目为2时，进行求交计算
|
||||
{
|
||||
Graphic g1 = listOfClipGraphics[0];
|
||||
Graphic g2 = listOfClipGraphics[1];
|
||||
|
||||
Geometry resultGeometry = GeometryEngine.Clip(g1.Geometry, g2.Geometry.Extent); //执行求交操作
|
||||
if (resultGeometry != null) //处理结果
|
||||
{
|
||||
_pGraphicsOverLay.Graphics.Remove(g1);
|
||||
_pGraphicsOverLay.Graphics.Remove(g2);
|
||||
|
||||
Graphic clipedGraphic = new Graphic(resultGeometry, fillSymbol); //利用求交结果构建新的图形
|
||||
_pGraphicsOverLay.Graphics.Add(clipedGraphic);
|
||||
m_CurOper = CURRENTOPERATION.NullOpe;
|
||||
}
|
||||
listOfClipGraphics.Clear();//清空图形选择集合
|
||||
_pGraphicsOverLay.ClearSelection();//清空图形层所选
|
||||
}
|
||||
}else if (m_CurOper == CURRENTOPERATION.Cal_Simplify)
|
||||
{
|
||||
IdentifyGraphicsOverlayResult gResult_Buff =
|
||||
await MainMapView.IdentifyGraphicsOverlayAsync(_pGraphicsOverLay, e.Position, 5, false);
|
||||
if (gResult_Buff.Graphics.Count < 1)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
Graphic selGraphic_Buff = gResult_Buff.Graphics.First();
|
||||
selGraphic_Buff.IsSelected = true;
|
||||
listOfClipGraphics.Add(selGraphic_Buff); //记录所选图形
|
||||
if (listOfClipGraphics.Count == 1) //图形数目为1时，进行缓冲计算
|
||||
{
|
||||
Graphic g1 = listOfClipGraphics[0];
|
||||
Esri.ArcGISRuntime.Geometry.Geometry resultGeometry =
|
||||
GeometryEngine.Simplify(g1.Geometry); //执行缓冲操作
|
||||
if (resultGeometry != null) //处理结果
|
||||
{
|
||||
_pGraphicsOverLay.Graphics.Remove(g1); //从图形层中移除原图形
|
||||
if(resultGeometry.GeometryType == GeometryType.Point || resultGeometry.GeometryType == GeometryType.Multipoint){
|
||||
Graphic simplifiedGraphic = new Graphic(resultGeometry, pointSymbol); //利用剪切结果构造新的图形
|
||||
_pGraphicsOverLay.Graphics.Add(simplifiedGraphic);
|
||||
}else if (resultGeometry.GeometryType == GeometryType.Polyline)
|
||||
{
|
||||
Graphic simplifiedGraphic = new Graphic(resultGeometry, lineSymbol); //利用剪切结果构造新的图形
|
||||
_pGraphicsOverLay.Graphics.Add(simplifiedGraphic);
|
||||
}else if (resultGeometry.GeometryType == GeometryType.Polygon)
|
||||
{
|
||||
Graphic simplifiedGraphic = new Graphic(resultGeometry, fillSymbol); //利用剪切结果构造新的图形
|
||||
_pGraphicsOverLay.Graphics.Add(simplifiedGraphic);
|
||||
}
|
||||
m_CurOper = CURRENTOPERATION.NullOpe;
|
||||
}
|
||||
|
||||
listOfClipGraphics.Clear(); //清空图形选择集合
|
||||
_pGraphicsOverLay.ClearSelection(); //清空图形层所选
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void Menu_Simple_Identify_OnClick(object sender, RoutedEventArgs e)
|
||||
@ -425,11 +701,13 @@ namespace GisDevelop_Exp
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
EnvelopeBuilder pEnvBuilder = new EnvelopeBuilder(_featureLayer.SpatialReference);
|
||||
for (int i = 0; i < pListFeatures.Count; i++)
|
||||
{
|
||||
pEnvBuilder.UnionOf(pListFeatures[i].Geometry.Extent);
|
||||
}
|
||||
|
||||
await MainMapView.SetViewpointGeometryAsync(pEnvBuilder.ToGeometry(), 50);
|
||||
Feature pFeature;
|
||||
string sInfo = "";
|
||||
@ -447,6 +725,7 @@ namespace GisDevelop_Exp
|
||||
obj = FeatureAttri.Values.ElementAt(j);
|
||||
sInfo += str + ":" + obj.ToString() + "\r\n";
|
||||
}
|
||||
|
||||
MessageBox.Show(sInfo);
|
||||
}
|
||||
}
|
||||
@ -458,6 +737,7 @@ namespace GisDevelop_Exp
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
Feature identifyFeature = (Feature)identifyLayerResult.GeoElements.First();
|
||||
IDictionary<string, object> FeatureAttri = identifyFeature.Attributes;
|
||||
string str;
|
||||
@ -469,6 +749,7 @@ namespace GisDevelop_Exp
|
||||
obj = FeatureAttri.Values.ElementAt(i);
|
||||
tempStr += str + ":" + obj.ToString() + "\r\n";
|
||||
}
|
||||
|
||||
System.Windows.MessageBox.Show(tempStr);
|
||||
}
|
||||
|
||||
@ -510,6 +791,7 @@ namespace GisDevelop_Exp
|
||||
aMap.InitialViewpoint = geodatabaseViewPoint;
|
||||
MainMapView.Map = aMap;
|
||||
}
|
||||
|
||||
AddLayerNameToList();
|
||||
}
|
||||
|
||||
@ -625,6 +907,7 @@ namespace GisDevelop_Exp
|
||||
return obj as T;
|
||||
obj = System.Windows.Media.VisualTreeHelper.GetParent(obj);
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
}
|
||||
@ -692,6 +975,7 @@ namespace GisDevelop_Exp
|
||||
MainMapView.GraphicsOverlays[0].Graphics.Remove(curGraphic);
|
||||
linesList.Remove(curGraphic);
|
||||
}
|
||||
|
||||
Polyline line = new Polyline(linePoints);
|
||||
Graphic lineGraphic = new Graphic(line, lineSymbol);
|
||||
MainMapView.GraphicsOverlays[0].Graphics.Add(lineGraphic);
|
||||
@ -709,6 +993,7 @@ namespace GisDevelop_Exp
|
||||
MainMapView.GraphicsOverlays[0].Graphics.Remove(curGraphic);
|
||||
linesList.Remove(curGraphic);
|
||||
}
|
||||
|
||||
Polygon polygon = new Polygon(linePoints);
|
||||
Graphic polygonGraphic = new Graphic(polygon, fillSymbol);
|
||||
MainMapView.GraphicsOverlays[0].Graphics.Add(polygonGraphic);
|
||||
@ -748,5 +1033,484 @@ namespace GisDevelop_Exp
|
||||
{
|
||||
m_CurOper = CURRENTOPERATION.NullOpe;
|
||||
}
|
||||
|
||||
private void SetSimpleRender(FeatureLayer pLayer, Symbol pSymbol)
|
||||
{
|
||||
if (pSymbol == null)
|
||||
{
|
||||
pSymbol = this.pSymbol;
|
||||
}
|
||||
|
||||
Random r = new Random();
|
||||
int num = r.Next(0, 20);
|
||||
Color pColor = ColorArray[num];
|
||||
OptionsWindow op = new OptionsWindow();
|
||||
if (pSymbol == null)
|
||||
{
|
||||
if (pLayer.FeatureTable.GeometryType == GeometryType.Point ||
|
||||
pLayer.FeatureTable.GeometryType == GeometryType.Multipoint)
|
||||
{
|
||||
pSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, pColor, 5);
|
||||
op.PointSymbol = (SimpleMarkerSymbol)pSymbol;
|
||||
}
|
||||
else if (pLayer.FeatureTable.GeometryType == GeometryType.Polyline)
|
||||
{
|
||||
pSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, pColor, 1);
|
||||
op.LineSymbol = (SimpleLineSymbol)pSymbol;
|
||||
}
|
||||
else if (pLayer.FeatureTable.GeometryType == GeometryType.Polygon)
|
||||
{
|
||||
SimpleLineSymbol pOutlineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.Gray, 1);
|
||||
pSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, pColor, pOutlineSymbol);
|
||||
op.FillSymbol = (SimpleFillSymbol)pSymbol;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (pLayer.FeatureTable.GeometryType == GeometryType.Point ||
|
||||
pLayer.FeatureTable.GeometryType == GeometryType.Multipoint)
|
||||
{
|
||||
op.PointSymbol = (SimpleMarkerSymbol)pSymbol;
|
||||
}
|
||||
else if (pLayer.FeatureTable.GeometryType == GeometryType.Polyline)
|
||||
{
|
||||
op.LineSymbol = (SimpleLineSymbol)pSymbol;
|
||||
}
|
||||
else if (pLayer.FeatureTable.GeometryType == GeometryType.Polygon)
|
||||
{
|
||||
op.FillSymbol = (SimpleFillSymbol)pSymbol;
|
||||
}
|
||||
}
|
||||
|
||||
SimpleRenderer sRenderer = new SimpleRenderer(pSymbol);
|
||||
pLayer.Renderer = sRenderer;
|
||||
op.GeometryType = pLayer.FeatureTable.GeometryType;
|
||||
op.ShowDialog();
|
||||
}
|
||||
|
||||
private void Menu_Simple_Color_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
FeatureLayer _featureLayer = MainMapView.Map.OperationalLayers[0] as FeatureLayer;
|
||||
SetSimpleRender(_featureLayer, pSymbol);
|
||||
}
|
||||
|
||||
private async void SetUniqueRender(FeatureLayer pLayer, string sFieldName, List<Symbol> pSymbolList = null)
|
||||
{
|
||||
UniqueValueRenderer regionRenderer = new UniqueValueRenderer();
|
||||
regionRenderer.FieldNames.Add(sFieldName);
|
||||
QueryParameters pQueryPara = new QueryParameters();
|
||||
pQueryPara.WhereClause = "1=1";
|
||||
FeatureQueryResult queryResult = await pLayer.FeatureTable.QueryFeaturesAsync(pQueryPara);
|
||||
IEnumerator<Feature> queryFeatures = queryResult.GetEnumerator();
|
||||
object featureValue;
|
||||
int i = 0;
|
||||
while (queryFeatures.MoveNext())
|
||||
{
|
||||
featureValue = queryFeatures.Current.GetAttributeValue(sFieldName);
|
||||
Symbol tempSymbol = null;
|
||||
if (pSymbolList == null)
|
||||
{
|
||||
if (i >= ColorArray.Count)
|
||||
i = 0;
|
||||
Color pColor = ColorArray[i];
|
||||
if (pLayer.FeatureTable.GeometryType == GeometryType.Point ||
|
||||
pLayer.FeatureTable.GeometryType == GeometryType.Multipoint)
|
||||
{
|
||||
tempSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, pColor, 5);
|
||||
}
|
||||
else if (pLayer.FeatureTable.GeometryType == GeometryType.Polyline)
|
||||
{
|
||||
tempSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, pColor, 1);
|
||||
}
|
||||
else if (pLayer.FeatureTable.GeometryType == GeometryType.Polygon)
|
||||
{
|
||||
SimpleLineSymbol tempSymbol2 = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid,
|
||||
Color.Gray, 1);
|
||||
tempSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, pColor, tempSymbol2);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
tempSymbol = pSymbolList[i];
|
||||
}
|
||||
|
||||
i++;
|
||||
UniqueValue pUniqueValue = new UniqueValue("null", "null", tempSymbol, featureValue);
|
||||
regionRenderer.UniqueValues.Add(pUniqueValue);
|
||||
}
|
||||
|
||||
SimpleFillSymbol defaultFillSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Cross, Color.Gray,
|
||||
null);
|
||||
regionRenderer.DefaultSymbol = defaultFillSymbol;
|
||||
regionRenderer.DefaultLabel = "Other";
|
||||
pLayer.Renderer = regionRenderer;
|
||||
}
|
||||
|
||||
private void Menu_Unique_Color_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
if (MainMapView.Map.OperationalLayers.Count > 0)
|
||||
{
|
||||
FeatureLayer _featureLayer = MainMapView.Map.OperationalLayers[0] as FeatureLayer;
|
||||
string sQueryFieldName = "XZQMC";
|
||||
SetUniqueRender(_featureLayer, sQueryFieldName);
|
||||
}
|
||||
}
|
||||
|
||||
private async void SetClassBreaksRender(FeatureLayer pLayer, string sFieldName, int ClassifyCount = 5,
|
||||
List<Symbol> pSymbolList = null)
|
||||
{
|
||||
//ClassBreaksRenderer
|
||||
ClassBreaksRenderer pCBRenderer = new ClassBreaksRenderer();
|
||||
//设置字段名
|
||||
pCBRenderer.FieldName = sFieldName;
|
||||
//设置统计查询条件，
|
||||
StatisticDefinition statDefinitionMin = new StatisticDefinition(sFieldName, StatisticType.Minimum, "");
|
||||
StatisticDefinition statDefinitionMax = new StatisticDefinition(sFieldName, StatisticType.Maximum, "");
|
||||
List<StatisticDefinition> statDefinitions = new List<StatisticDefinition>
|
||||
{
|
||||
statDefinitionMin,
|
||||
statDefinitionMax,
|
||||
};
|
||||
StatisticsQueryParameters pQueryPara = new StatisticsQueryParameters(statDefinitions);
|
||||
//执行统计查询
|
||||
StatisticsQueryResult queryResult = await pLayer.FeatureTable.QueryStatisticsAsync(pQueryPara);
|
||||
//从统计结果中获取最大值，获取最小值
|
||||
string str;
|
||||
object max = null, min = null;
|
||||
double dMax, dMin;
|
||||
//获取该字段的最大值，最小值，为后续分级做准备
|
||||
IReadOnlyDictionary<string, object> sResult = queryResult.First().Statistics;
|
||||
for (int i = 0; i < sResult.Count; i++)
|
||||
{
|
||||
str = sResult.Keys.ElementAt(i);
|
||||
if (str.Contains("MAX"))
|
||||
max = sResult.Values.ElementAt(i);
|
||||
if (str.Contains("MIN"))
|
||||
min = sResult.Values.ElementAt(i);
|
||||
}
|
||||
|
||||
dMax = (double)(max);
|
||||
dMin = (double)(min);
|
||||
//计算并设置分级中每一级别的范围，以及符号
|
||||
for (int i = 0; i < ClassifyCount; i++)
|
||||
{
|
||||
ClassBreak pClassBreak = new ClassBreak();
|
||||
//每一级别范围的最大值、最小值
|
||||
if (i == 0)
|
||||
pClassBreak.MinValue = dMin;
|
||||
else
|
||||
pClassBreak.MinValue = dMin + (dMax - dMin) * (i - 1) / ClassifyCount;
|
||||
;
|
||||
pClassBreak.MaxValue = dMin + (dMax - dMin) * (i + 1) / ClassifyCount;
|
||||
Color tempColor = Color.FromArgb(i * 50 + 10, 255, 255);
|
||||
//创建符号，这里图层为面层，直接创建面符号，注意若图层为 点层、线层，需创建对应的点符号、线符号
|
||||
SimpleLineSymbol tempSymbol2 = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.Gray,
|
||||
1);
|
||||
Symbol pSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, tempColor, tempSymbol2);
|
||||
pClassBreak.Symbol = pSymbol;
|
||||
//将设置好的ClassBreak放入ClassBreaksRenderer中。
|
||||
pCBRenderer.ClassBreaks.Add(pClassBreak);
|
||||
}
|
||||
|
||||
//将创建好的ClassBreaksRenderer 赋值给图层
|
||||
pLayer.Renderer = pCBRenderer;
|
||||
}
|
||||
|
||||
private void Menu_Level_Color_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
if (MainMapView.Map.OperationalLayers.Count > 0)
|
||||
{
|
||||
FeatureLayer _featureLayer = MainMapView.Map.OperationalLayers[0] as FeatureLayer;
|
||||
string sQueryFieldName = "FID";
|
||||
SetClassBreaksRender(_featureLayer, sQueryFieldName);
|
||||
}
|
||||
}
|
||||
|
||||
private void Context_Menu_Delete_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
Layer_Popup.IsOpen = false;
|
||||
LayerListBox.Items.Remove(cur_LayerItem);
|
||||
LayerCollection pLayers = MainMapView.Map.OperationalLayers;
|
||||
Layer delLayer = GetLayer(cur_LayerItem.ToolTip as string);
|
||||
pLayers.Remove(delLayer);
|
||||
e.Handled = true;
|
||||
}
|
||||
|
||||
private void LayerListBox_OnPreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
|
||||
{
|
||||
Layer_Popup.IsOpen = false;
|
||||
var pos = e.GetPosition(LayerListBox);
|
||||
System.Windows.Media.HitTestResult
|
||||
result = System.Windows.Media.VisualTreeHelper.HitTest(LayerListBox, pos);
|
||||
if (result == null)
|
||||
{
|
||||
Layer_Popup.IsOpen = false;
|
||||
return;
|
||||
}
|
||||
|
||||
var listBoxItem = Utils.FindVisualParent<ListBoxItem>(result.VisualHit);
|
||||
if (listBoxItem == null)
|
||||
{
|
||||
Layer_Popup.IsOpen = false;
|
||||
return;
|
||||
}
|
||||
|
||||
cur_LayerItem = listBoxItem;
|
||||
Layer_Popup.HorizontalOffset = pos.X;
|
||||
Layer_Popup.VerticalOffset = pos.Y;
|
||||
Layer_Popup.IsOpen = true;
|
||||
e.Handled = true;
|
||||
}
|
||||
|
||||
private void Context_Menu_Fit_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
Layer_Popup.IsOpen = false;
|
||||
Layer fitLayer = GetLayer(cur_LayerItem.ToolTip as string);
|
||||
MainMapView.SetViewpointGeometryAsync(fitLayer.FullExtent);
|
||||
e.Handled = true;
|
||||
}
|
||||
|
||||
|
||||
private void Context_Menu_Symbology_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
Layer_Popup.IsOpen = false;
|
||||
Layer symbologyLayer = GetLayer(cur_LayerItem.ToolTip as string);
|
||||
FeatureLayer _featureLayer = (FeatureLayer)symbologyLayer;
|
||||
if (_featureLayer != null && _featureLayer.Renderer is SimpleRenderer simpleRenderer)
|
||||
{
|
||||
var symbol = simpleRenderer.Symbol;
|
||||
SetSimpleRender((FeatureLayer)symbologyLayer, symbol);
|
||||
}
|
||||
else
|
||||
{
|
||||
pSymbol = null;
|
||||
SetSimpleRender((FeatureLayer)symbologyLayer, null);
|
||||
}
|
||||
|
||||
e.Handled = true;
|
||||
}
|
||||
|
||||
private void LayerListBox_OnPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
|
||||
{
|
||||
var pos = e.GetPosition(Layer_Popup);
|
||||
System.Windows.Media.HitTestResult
|
||||
result = System.Windows.Media.VisualTreeHelper.HitTest(Layer_Popup, pos);
|
||||
if (result == null)
|
||||
{
|
||||
Layer_Popup.IsOpen = false;
|
||||
return;
|
||||
}
|
||||
|
||||
var menuItem = Utils.FindVisualParent<MenuItem>(result.VisualHit);
|
||||
if (menuItem == null)
|
||||
{
|
||||
Layer_Popup.IsOpen = false;
|
||||
return;
|
||||
}
|
||||
|
||||
// Layer_Popup.IsOpen = false;
|
||||
e.Handled = false;
|
||||
}
|
||||
|
||||
private void CBEditBegin_Checked(object sender, RoutedEventArgs e)
|
||||
{
|
||||
//设置部分按钮可以操作。
|
||||
SketchModeComboBox.IsEnabled = true;
|
||||
BtnDraw.IsEnabled = true;
|
||||
// 获取_ pGraphicsOverLay ，用于放置图形元素
|
||||
// Window w = Window.GetWindow(this);
|
||||
// MyMapView = (MapView)w.FindName("MyMapView");
|
||||
_pGraphicsOverLay = new GraphicsOverlay();
|
||||
MainMapView.GraphicsOverlays.Add(_pGraphicsOverLay);
|
||||
SketchModeComboBox.ItemsSource =
|
||||
System.Enum.GetValues(typeof(SketchCreationMode));
|
||||
SketchModeComboBox.SelectedIndex = 0;
|
||||
//设置图形元素编辑的相关属性
|
||||
SketchEditConfiguration config = MainMapView.SketchEditor.EditConfiguration;
|
||||
if (config != null)
|
||||
{
|
||||
config.AllowVertexEditing = true;
|
||||
config.ResizeMode = SketchResizeMode.Uniform;
|
||||
config.AllowMove = true;
|
||||
}
|
||||
|
||||
//设置 页面的DataContext为 SketchEditor
|
||||
DataContext = MainMapView.SketchEditor;
|
||||
}
|
||||
|
||||
private async void BtnDraw_Click(object sender, RoutedEventArgs e)
|
||||
{
|
||||
try
|
||||
{
|
||||
BtnCancel.IsEnabled = true;
|
||||
BtnRedo.IsEnabled = true;
|
||||
BtnUndo.IsEnabled = true;
|
||||
BtnComplete.IsEnabled = true;
|
||||
SketchCreationMode creationMode =
|
||||
(SketchCreationMode)SketchModeComboBox.SelectedItem;
|
||||
Esri.ArcGISRuntime.Geometry.Geometry geometry = await
|
||||
MainMapView.SketchEditor.StartAsync(creationMode, true);
|
||||
// Create and add a graphic from the geometry the user drew
|
||||
// Graphic graphic = new Graphic (geometry);
|
||||
Graphic graphic = CreateGraphic(geometry);
|
||||
_pGraphicsOverLay.Graphics.Add(graphic);
|
||||
BtnClear.IsEnabled = _pGraphicsOverLay.Graphics.Count > 0;
|
||||
BtnEdit.IsEnabled = _pGraphicsOverLay.Graphics.Count > 0;
|
||||
}
|
||||
catch (TaskCanceledException) //当 点击 取消后，抛出代码运行异常 ，需要添加该行
|
||||
{
|
||||
// Ignore ... let the user cancel drawing
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
// Report exceptions
|
||||
MessageBox.Show("Error drawing graphic shape: " + ex.Message);
|
||||
}
|
||||
}
|
||||
|
||||
private Graphic CreateGraphic(Esri.ArcGISRuntime.Geometry.Geometry geometry)
|
||||
{
|
||||
// Create a graphic to display the specified geometry
|
||||
//若不设置符号，图形元素不显示。
|
||||
Symbol symbol = null;
|
||||
switch (geometry.GeometryType)
|
||||
{
|
||||
// Symbolize with a fill symbol
|
||||
case GeometryType.Envelope:
|
||||
case GeometryType.Polygon:
|
||||
{
|
||||
symbol = new SimpleFillSymbol()
|
||||
{
|
||||
Color = System.Drawing.Color.Red,
|
||||
Style = SimpleFillSymbolStyle.Solid
|
||||
};
|
||||
break;
|
||||
}
|
||||
// Symbolize with a line symbol
|
||||
case GeometryType.Polyline:
|
||||
{
|
||||
symbol = new SimpleLineSymbol()
|
||||
{
|
||||
Color = System.Drawing.Color.Red,
|
||||
Style = SimpleLineSymbolStyle.Solid,
|
||||
Width = 5d
|
||||
};
|
||||
break;
|
||||
}
|
||||
// Symbolize with a marker symbol
|
||||
case GeometryType.Point:
|
||||
case GeometryType.Multipoint:
|
||||
{
|
||||
symbol = new SimpleMarkerSymbol()
|
||||
{
|
||||
Color = System.Drawing.Color.Red,
|
||||
Style = SimpleMarkerSymbolStyle.Circle,
|
||||
Size = 15d
|
||||
};
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// pass back a new graphic with the appropriate symbol
|
||||
return new Graphic(geometry, symbol);
|
||||
}
|
||||
|
||||
private async void BtnEdit_Click(object sender, RoutedEventArgs e)
|
||||
{
|
||||
try
|
||||
{
|
||||
Graphic editGraphic = await GetGraphicAsync();
|
||||
if (editGraphic == null)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
// Let the user make changes to the graphic's geometry, await the result (updated geometry)
|
||||
Esri.ArcGISRuntime.Geometry.Geometry newGeometry =
|
||||
await MainMapView.SketchEditor.StartAsync(editGraphic.Geometry);
|
||||
// Display the updated geometry in the graphic
|
||||
editGraphic.Geometry = newGeometry;
|
||||
}
|
||||
catch (TaskCanceledException) //当 点击 取消后，抛出代码运行异常 ，需要添加该行
|
||||
{
|
||||
// Ignore ... let the user cancel drawing
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
// Report exceptions
|
||||
MessageBox.Show("Error drawing graphic shape: " + ex.Message);
|
||||
}
|
||||
}
|
||||
|
||||
private async Task<Graphic> GetGraphicAsync()
|
||||
{
|
||||
//鼠标点击，获取点坐标对象
|
||||
Geometry pMapPoint = await
|
||||
MainMapView.SketchEditor.StartAsync(SketchCreationMode.Point, false);
|
||||
//将点对象由地图坐标转换为屏幕坐标
|
||||
Point scrPoint = MainMapView.LocationToScreen((MapPoint)pMapPoint);
|
||||
//利用Indendify识别该点选中的图形元素
|
||||
IReadOnlyList<IdentifyGraphicsOverlayResult> results = await
|
||||
MainMapView.IdentifyGraphicsOverlaysAsync(scrPoint, 2, false);
|
||||
//获取选中的第一个元素
|
||||
Graphic graphic = null;
|
||||
IdentifyGraphicsOverlayResult idResult = results.FirstOrDefault();
|
||||
if (idResult != null && idResult.Graphics.Count > 0)
|
||||
{
|
||||
graphic = idResult.Graphics.FirstOrDefault();
|
||||
}
|
||||
|
||||
return graphic;
|
||||
}
|
||||
|
||||
|
||||
private void BtnClear_Click(object sender, RoutedEventArgs e)
|
||||
{
|
||||
_pGraphicsOverLay.Graphics.Clear();
|
||||
BtnClear.IsEnabled = false;
|
||||
BtnEdit.IsEnabled = false;
|
||||
}
|
||||
|
||||
private void Menu_Buffer_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
m_CurOper = CURRENTOPERATION.Cal_Buff;
|
||||
}
|
||||
|
||||
|
||||
private void Menu_Union_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
m_CurOper = CURRENTOPERATION.Cal_Union;
|
||||
}
|
||||
|
||||
|
||||
private void Menu_Cut_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
m_CurOper = CURRENTOPERATION.Cal_Cut;
|
||||
}
|
||||
|
||||
private void Menu_Intersection_Point_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
m_CurOper = CURRENTOPERATION.Cal_Intersection;
|
||||
}
|
||||
|
||||
private void Menu_Intersect_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
m_CurOper = CURRENTOPERATION.Cal_Intersect;
|
||||
}
|
||||
|
||||
private void Menu_Simplify_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
m_CurOper = CURRENTOPERATION.Cal_Simplify;
|
||||
}
|
||||
|
||||
private void Menu_Clip_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
m_CurOper = CURRENTOPERATION.Cal_Clip;
|
||||
}
|
||||
|
||||
private void Menu_Topology_OnClick(object sender, RoutedEventArgs e)
|
||||
{
|
||||
MessageBox.Show("此功能暂未实现");
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -250,6 +250,10 @@ namespace GisDevelop_Exp
|
||||
|
||||
private void FrameworkElement_OnLoaded(object sender, RoutedEventArgs e)
|
||||
{
|
||||
if (GeometryType != GeometryType.Polyline)
|
||||
{
|
||||
return;
|
||||
}
|
||||
System.Windows.Media.Color color = System.Windows.Media.Color.FromArgb(lineColor.A, lineColor.R, lineColor.G, lineColor.B);
|
||||
Label_Line_Color.Background = new SolidColorBrush(color);
|
||||
Slider_Line_Width.Value = Convert.ToInt32(lineSymbol.Width);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user