/// <summary>
/// 栅格转为面矢量
/// </summary>
/// <param name="inFile">输入栅格</param>
/// <param name="selectField">选中字段</param>
/// <param name="outFile">输出文件</param>
public static void RasterToPolygon(string inFile, string selectField, string outFile)
{
RasterToPolygon rasterToPolygon = new RasterToPolygon
{
in_raster = inFile,
raster_field = selectField,
out_polygon_features = outFile
};
GeoprocessorHelper.GpExecute(rasterToPolygon);
}
public void CanCreateMultiPartPolygons(string file)
{
var target = new RasterToPolygon();
var p = new GdalRasterProvider();
var raster = p.Open(file);
var outShape = new PolygonShapefile {Filename = FileTools.GetTempFileName(".shp")};
target.Execute(raster, outShape, new MockProgressHandler());
FileTools.DeleteShapeFile(outShape.Filename);
var mpCount = outShape.Features.Count(t => t.BasicGeometry is MultiPolygon);
Assert.That(mpCount > 0);
}
public static bool ConvertRasterToPolygon(string inRaster, string outPolygon, out IEnumerable <string> messages)
{
RasterToPolygon rasterToPolygon = new RasterToPolygon()
{
in_raster = inRaster,
out_polygon_features = outPolygon,
simplify = "SIMPLIFY",
raster_field = "Value"
};
return(RunTool(rasterToPolygon, null, out messages));
}
public void CanCreateMultiPartPolygons(string path)
{
var target = new RasterToPolygon();
var file = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, path);
var p = new GdalRasterProvider();
var raster = p.Open(file);
var outShape = new PolygonShapefile {Filename = Path.ChangeExtension(file, ".shp")};
target.Execute(raster, outShape, new MockProgressHandler());
var mpCount = outShape.Features.Count(t => t.BasicGeometry is MultiPolygon);
Assert.That(mpCount > 0);
}
public void NoMultiPartPolygonsWithConnectionGrid(string rasterFile, string flowDirectionGridFile)
{
var p = new GdalRasterProvider();
var raster = p.Open(rasterFile);
var flowDirectionGrid = p.Open(flowDirectionGridFile);
var target = new RasterToPolygon();
var outShape = new PolygonShapefile { Filename = FileTools.GetTempFileName(".shp") };
target.Execute(raster, flowDirectionGrid, outShape, new MockProgressHandler());
FileTools.DeleteShapeFile(outShape.Filename);
var mpCount = outShape.Features.Count(t => t.BasicGeometry is MultiPolygon);
Assert.That(mpCount == 0);
}
public void CanCreateMultiPartPolygons(string file)
{
var target = new RasterToPolygon();
var p = new GdalRasterProvider();
var raster = p.Open(file);
var outShape = new PolygonShapefile {
Filename = FileTools.GetTempFileName(".shp")
};
target.Execute(raster, outShape, new MockProgressHandler());
FileTools.DeleteShapeFile(outShape.Filename);
var mpCount = outShape.Features.Count(t => t.Geometry is MultiPolygon);
Assert.That(mpCount > 0);
}
public void NoMultiPartPolygonsWithConnectionGrid(string rasterFile, string flowDirectionGridFile)
{
rasterFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, rasterFile);
flowDirectionGridFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, flowDirectionGridFile);
var p = new GdalRasterProvider();
var raster = p.Open(rasterFile);
var flowDirectionGrid = p.Open(flowDirectionGridFile);
var target = new RasterToPolygon();
var outShape = new PolygonShapefile { Filename = Path.ChangeExtension(rasterFile, ".shp") };
target.Execute(raster, flowDirectionGrid, outShape, new MockProgressHandler());
var mpCount = outShape.Features.Count(t => t.BasicGeometry is MultiPolygon);
Assert.That(mpCount == 0);
}
private void button3_Click(object sender, EventArgs e)
{
ToggleEndlessProgress.Execute();
circularProgress1.IsRunning = true;
#region GP工具的使用
//得到参数
IRasterLayer layer = GetRasterLayer((string)comboBox1.SelectedItem);
string field = (string)comboBox2.SelectedItem;
string out_polygon = textBox1.Text;
string simplify;
if (radioButton1.Checked)
{
simplify = radioButton1.Text;
}
else
{
simplify = radioButton2.Text;
}
//实例化GP工具
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
//设置矢量转栅格参数
RasterToPolygon rastertopolygon = new RasterToPolygon();
rastertopolygon.in_raster = layer;
rastertopolygon.out_polygon_features = out_polygon;
rastertopolygon.raster_field = field;
rastertopolygon.simplify = simplify;
//执行GP工具
IGeoProcessorResult results = (IGeoProcessorResult)gp.Execute(rastertopolygon, null);
#endregion
circularProgress1.IsRunning = false;
#region 运行完成之后的信息提示窗口
balloonTipFocus.Enabled = true;
DevComponents.DotNetBar.Balloon b = new DevComponents.DotNetBar.Balloon();
b.Style = eBallonStyle.Alert;
//b.CaptionImage = balloonTipFocus.CaptionImage.Clone() as Image;
b.CaptionText = "信息提示";
b.Text = "运行成功！";
b.AlertAnimation = eAlertAnimation.TopToBottom;
b.AutoResize();
b.AutoClose = true;
b.AutoCloseTimeOut = 4;
b.Owner = this;
b.Show(button4, false);
#endregion
}
public void NoMultiPartPolygonsWithConnectionGrid(string rasterFile, string flowDirectionGridFile)
{
var p = new GdalRasterProvider();
var raster = p.Open(rasterFile);
var flowDirectionGrid = p.Open(flowDirectionGridFile);
var target = new RasterToPolygon();
var outShape = new PolygonShapefile {
Filename = FileTools.GetTempFileName(".shp")
};
target.Execute(raster, flowDirectionGrid, outShape, new MockProgressHandler());
FileTools.DeleteShapeFile(outShape.Filename);
var mpCount = outShape.Features.Count(t => t.Geometry is MultiPolygon);
Assert.That(mpCount == 0);
}
private void button3_Click(object sender, EventArgs e)
{
ToggleEndlessProgress.Execute();
circularProgress1.IsRunning = true;
#region GP工具的使用
//得到参数
IRasterLayer layer = GetRasterLayer((string)comboBox1.SelectedItem);
string field = (string)comboBox2.SelectedItem;
string out_polygon = textBox1.Text;
string simplify;
if (radioButton1.Checked)
{
simplify = radioButton1.Text;
}
else
{
simplify = radioButton2.Text;
}
//实例化GP工具
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
//设置矢量转栅格参数
RasterToPolygon rastertopolygon = new RasterToPolygon();
rastertopolygon.in_raster = layer;
rastertopolygon.out_polygon_features = out_polygon;
rastertopolygon.raster_field = field;
rastertopolygon.simplify = simplify;
//执行GP工具
IGeoProcessorResult results = (IGeoProcessorResult)gp.Execute(rastertopolygon, null);
#endregion
circularProgress1.IsRunning = false;
#region 运行完成之后的信息提示窗口
balloonTipFocus.Enabled = true;
DevComponents.DotNetBar.Balloon b = new DevComponents.DotNetBar.Balloon();
b.Style = eBallonStyle.Alert;
//b.CaptionImage = balloonTipFocus.CaptionImage.Clone() as Image;
b.CaptionText = "信息提示";
b.Text = "运行成功！";
b.AlertAnimation = eAlertAnimation.TopToBottom;
b.AutoResize();
b.AutoClose = true;
b.AutoCloseTimeOut = 4;
b.Owner = this;
b.Show(button4, false);
#endregion
}
