public void SaveAsTest()
{
if (DotSpatial.Data.DataManager.DefaultDataManager.PreferredProviders.Count == 0)
{
DotSpatial.Data.Rasters.GdalExtension.GdalRasterProvider lGdalRasterProvider = new DotSpatial.Data.Rasters.GdalExtension.GdalRasterProvider();
}
string GridDataFolder = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location) + @"\..\..\..\Data\Grids\";
DotSpatial.Data.IRaster sourceGrid = Raster.Open(GridDataFolder + @"elev_cm_ESRI\elev_cm_clip2\hdr.adf");
Double sourceGridMaximum = sourceGrid.Maximum;
string savedGridName = GridDataFolder + @"elev_cm.tif";
sourceGrid.SaveAs(savedGridName);
Assert.AreEqual(sourceGrid.Maximum, sourceGridMaximum, 0.0001);
DotSpatial.Data.IRaster savedSourceGrid = Raster.Open(savedGridName);
Assert.AreEqual(sourceGridMaximum, savedSourceGrid.Maximum, 0.0001);
sourceGrid.Close();
savedSourceGrid.Close();
System.IO.File.Delete(savedGridName);
}
public void ClipRasterWithPolygonTest()
{
if (DotSpatial.Data.DataManager.DefaultDataManager.PreferredProviders.Count == 0)
{
DotSpatial.Data.Rasters.GdalExtension.GdalRasterProvider lGdalRasterProvider = new DotSpatial.Data.Rasters.GdalExtension.GdalRasterProvider();
}
DotSpatial.Data.Shapefile lClipPolygon = DotSpatial.Data.Shapefile.OpenFile(@"C:\Users\Jiri\Desktop\berounka.shp");
DotSpatial.Data.IRaster lGridToClip = DotSpatial.Data.Raster.OpenFile(@"C:\Users\Jiri\Desktop\kriging2.bgd", false);
DotSpatial.Data.Raster lGridAfterClip = new DotSpatial.Data.Raster();
lGridAfterClip.Filename = @"C:\Users\Jiri\Desktop\kriging2.bgd";
DotSpatial.Analysis.ClipRaster.ClipRasterWithPolygon(lClipPolygon.Features[0], lGridToClip, lGridAfterClip.Filename);
IRaster ras2 = Raster.Open(lGridAfterClip.Filename);
Assert.AreEqual(lGridAfterClip.NoDataValue, ras2.NoDataValue);
}
private void buttonOk_Click(object sender, EventArgs e)
{
int width = 0;
int height = 0;
int times = 0;
double threshold = 0.0;
if (this.comboBoxInitialUrbanImage.SelectedItem == null || this.comboBoxLandSuitable.SelectedItem == null || this.comboBoxPg.SelectedItem == null)
{
MessageBox.Show("清先选择图层");
return;
}
string initialUrbanImageLayerName = this.comboBoxInitialUrbanImage.SelectedItem.ToString();
string pgLayerName = this.comboBoxPg.SelectedItem.ToString();
string landSuitableLayerName = this.comboBoxLandSuitable.SelectedItem.ToString();
try
{
times = Convert.ToInt32(this.textBoxTimes.Text);
threshold = Convert.ToDouble(this.textBoxThreshold.Text);
}
catch
{
MessageBox.Show("请输入正确的times 和 threshold参数");
return;
}
double[] imageBuffer = GetData(initialUrbanImageLayerName, ref width, ref height);
double[] pg = GetData(pgLayerName, ref width, ref height);
double[] suitableBuffer = GetData(landSuitableLayerName, ref width, ref height);
if (imageBuffer == null || pg == null || suitableBuffer == null)
{
MessageBox.Show("图层名无效,图层不是栅格图层,将图层转化为GDAL dataset失败,从GDAL dataset中读取数据失败");
return;
}
unsafe
{
fixed(double *pImageBuffer = imageBuffer, pSuitableBuffer = suitableBuffer, pPg = pg)
{
// 调用c++接口得到模拟后的数据
SWIGTYPE_p_double result = simple_ca.simple_ca_logistic(new SWIGTYPE_p_double(new IntPtr(pImageBuffer), false),
new SWIGTYPE_p_double(new IntPtr(pSuitableBuffer), false),
new SWIGTYPE_p_double(new IntPtr(pPg), false),
width,
height, threshold, times);
//simple_ca.draw_image(new SWIGTYPE_p_double(new IntPtr(pImageBuffer), false), width, height);
//// 从指针中得到模拟结果，并纵向翻转
IntPtr resultPointer = HandleRef.ToIntPtr(SWIGTYPE_p_double.getCPtr(result));
double *pResultImg = (double *)resultPointer.ToPointer();
double[] resultImg = new double[width * height];
for (int row = 0; row < height; row++)
{
for (int col = 0; col < width; col++)
{
resultImg[row * width + col] = pResultImg[(height - row - 1) * width + col];
}
}
// 新建 GDAL dataset
OSGeo.GDAL.Driver driver = OSGeo.GDAL.Gdal.GetDriverByName("MEM");
OSGeo.GDAL.Dataset dataset = driver.Create("", width, height, 1, OSGeo.GDAL.DataType.GDT_Float64, null);
dataset.WriteRaster(0, 0, width, height, resultImg, width, height, 1, new int[1] {
1
}, 0, 0, 0);
// 将GDAL dataset转化为IRaster数据集
DotSpatial.Data.IRaster raster = GIS.GDAL.RasterConverter.Gdal2DSRaster(dataset, 1);
raster.Name = "Result";
this.Map.Layers.Add(raster);
}
}
}
private void buttonOk_Click(object sender, EventArgs e)
{
double a0 = 0.0;
double a1 = 0.0;
int moorNeighbourSize = 0;
double tSpon = 0.0;
double sigma = 0.0;
int amountOfNewDevelopment = 0;
// 读取配置参数
try
{
a0 = Convert.ToDouble(this.textBoxA0.Text);
a1 = Convert.ToDouble(this.textBoxA1.Text);
moorNeighbourSize = Convert.ToInt32(this.textBoxMoorNeighbourSize.Text);
tSpon = Convert.ToDouble(this.textBoxTSpon.Text);
sigma = Convert.ToDouble(this.textBoxSigma.Text);
amountOfNewDevelopment = Convert.ToInt32(this.textBoxAmountOfNewDevelopment.Text);
}
catch
{
MessageBox.Show("请输入正确的a0 ,a1 , moorNeighbourSize, tSpon, sigma, amountOfNewDevelopment参数");
return;
}
// 读取图层
if (this.comboBoxInitialData.SelectedItem == null || this.comboBoxPgData.SelectedItem == null || this.comboBoxSuitableData.SelectedItem == null)
{
MessageBox.Show("清先选择图层");
return;
}
string initialUrbanImageLayerName = this.comboBoxInitialData.SelectedItem.ToString();
string pgLayerName = this.comboBoxPgData.SelectedItem.ToString();
string landSuitableLayerName = this.comboBoxSuitableData.SelectedItem.ToString();
int width = 0;
int height = 0;
double[] imageBuffer = GetData(initialUrbanImageLayerName, ref width, ref height);
double[] suitableBuffer = GetData(landSuitableLayerName, ref width, ref height);
double[] pg = GetData(pgLayerName, ref width, ref height);
if (imageBuffer == null || pg == null || suitableBuffer == null)
{
MessageBox.Show("图层名无效,图层不是栅格图层,将图层转化为GDAL dataset失败,从GDAL dataset中读取数据失败");
return;
}
//this.logisticPatchCa = new LogisticPatchCa(a0,
// a1,
// moorNeighbourSize,
// tSpon,
// sigma,
// height,
// width,
// imageBuffer,
// pg,
// suitableBuffer,
// amountOfNewDevelopment);
//this.SetSimulate();
//this.SetProgressBar();
unsafe
{
fixed(double *pImageBuffer = imageBuffer, pSuitableBuffer = suitableBuffer, pPg = pg)
{
// 调用c++接口得到模拟后的数据
SWIGTYPE_p_double result = logistic_patch_ca.logistic_patch_ca1(
a0,
a1,
moorNeighbourSize,
tSpon,
sigma,
height,
width,
new SWIGTYPE_p_double(new IntPtr(pImageBuffer), false),
new SWIGTYPE_p_double(new IntPtr(pSuitableBuffer), false),
new SWIGTYPE_p_double(new IntPtr(pPg), false),
amountOfNewDevelopment,
true);
// 从指针中得到模拟结果，并纵向翻转
IntPtr resultPointer = HandleRef.ToIntPtr(SWIGTYPE_p_double.getCPtr(result));
double *pResultImg = (double *)resultPointer.ToPointer();
double[] resultImg = new double[width * height];
for (int row = 0; row < height; row++)
{
for (int col = 0; col < width; col++)
{
resultImg[row * width + col] = pResultImg[(height - row - 1) * width + col];
}
}
// 新建 GDAL dataset
OSGeo.GDAL.Driver driver = OSGeo.GDAL.Gdal.GetDriverByName("MEM");
OSGeo.GDAL.Dataset dataset = driver.Create("", width, height, 1, OSGeo.GDAL.DataType.GDT_Float64, null);
dataset.WriteRaster(0, 0, width, height, resultImg, width, height, 1, new int[1] {
1
}, 0, 0, 0);
// 将GDAL dataset转化为IRaster数据集
DotSpatial.Data.IRaster raster = GIS.GDAL.RasterConverter.Gdal2DSRaster(dataset, 1);
raster.Name = "Result";
this.Map.Layers.Add(raster);
}
}
}