private void btnClip_Click(object sender, EventArgs e)
{
string ftrNm = cmbSampleFeatureClass.Text;
string rstNm = cmbRaster.Text;
string outNm = txtOutRasterName.Text;
bool chErase = chbErase.Checked;
esriRasterClippingType clType = esriRasterClippingType.esriRasterClippingOutside;
if (ftrNm == "" || ftrNm == null || rstNm == "" || rstNm == null)
{
MessageBox.Show("You must have a polygon and raster layer selected", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (outNm == "" || outNm == null)
{
MessageBox.Show("You must specify an output raster name", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (chErase)
{
clType = esriRasterClippingType.esriRasterClippingInside;
}
this.Visible = false;
esriUtil.Forms.RunningProcess.frmRunningProcessDialog rp = new RunningProcess.frmRunningProcessDialog(false);
DateTime dt = DateTime.Now;
rp.addMessage("Clipping Raster. This may take a while...");
rp.stepPGBar(10);
rp.TopMost = true;
rp.Show();
try
{
IRaster rst = rstDic[rstNm];
IFeatureClass ftrCls = ftrDic[ftrNm];
IGeometry geo = geoUtil.createGeometry(ftrCls);
IFunctionRasterDataset outraster = rsUtil.clipRasterFunction(rst, geo, clType);
if (mp != null && addToMap)
{
rp.addMessage("Calculating Statistics...");
rp.Refresh();
IRasterLayer rstLyr = new RasterLayerClass();
//rsUtil.calcStatsAndHist(((IRaster2)outraster).RasterDataset);
rstLyr.CreateFromDataset((IRasterDataset)outraster);
rstLyr.Name = outNm;
rstLyr.Visible = false;
mp.AddLayer(rstLyr);
}
outrastername = outNm;
this.DialogResult = DialogResult.OK;
}
catch (Exception ex)
{
rp.addMessage(ex.ToString());
}
finally
{
DateTime dt2 = DateTime.Now;
TimeSpan ts = dt2.Subtract(dt);
string t = " in " + ts.Days.ToString() + " days " + ts.Hours.ToString() + " hours " + ts.Minutes.ToString() + " minutes and " + ts.Seconds.ToString() + " seconds .";
rp.stepPGBar(100);
rp.addMessage("Finished Clipping Raster" + t);
rp.enableClose();
this.Close();
}
}
