private ILabelLayer GetLabelLayer(ICurrentRasterInteractiver viewer, string name, string[] fieldNames)
{
ILabelService srv = viewer.LabelService;
if (srv == null)
{
return(null);
}
return(srv.GetLabelLayer(name, fieldNames));
}
public override void Execute()
{
ICanvas _canvas = null; ILayoutHost _host = null;
if (_smartSession.SmartWindowManager.ActiveViewer is ICanvasViewer)
{
GetCanvasByCanvasViewer(out _canvas);
ICurrentRasterInteractiver cv = (_smartSession.SmartWindowManager.ActiveViewer as ICurrentRasterInteractiver);//LabelService也是ICanvasViewer上的矢量
if (cv != null && cv.LabelService != null)
{
cv.LabelService.Reset();
}
}
else if (_smartSession.SmartWindowManager.ActiveViewer is ILayoutViewer)
{
GetCanvasByLayoutDataFrame(out _canvas, out _host);
}
if (_canvas == null)
{
return;
}
if (_canvas.LayerContainer == null)
{
return;
}
if (_canvas.LayerContainer.VectorHost != null)
{
RemoveAllVectorLayer(_canvas.LayerContainer.VectorHost as IVectorHostLayer);
}
Layer removeLayer = null;
foreach (Layer layer in _canvas.LayerContainer.Layers)
{
if ((layer as GeoGridLayer) != null)
{
removeLayer = layer;
}
}
if (removeLayer != null)
{
_canvas.LayerContainer.Layers.Remove(removeLayer);
}
_canvas.Refresh(enumRefreshType.VectorLayer);
if (_host != null)
{
_host.Render(true);
}
}
private void btnGetData_Click(object sender, EventArgs e)
{
if (this.Tag != null)
{
IArgumentProvider arg = this.Tag as IArgumentProvider;
ICurrentRasterInteractiver crt = arg.CurrentRasterInteractiver;
if (crt != null)
{
int bandMI = (int)arg.GetArg("MiddleInfrared");
int bandFI = (int)arg.GetArg("FarInfrared");
if (bandFI <= 0 || bandMI <= 0)
{
return;
}
crt.StartAOIDrawing(() =>
{
try
{
double[] mIBand = crt.GetBandValuesInAOI(bandMI);
double[] fIBand = crt.GetBandValuesInAOI(bandFI);
if (mIBand == null || fIBand == null || mIBand.Length != fIBand.Length)
{
return;
}
float avgValue = 0;
double totalValue = 0;
for (int i = 0; i < mIBand.Length; i++)
{
totalValue += mIBand[i] - fIBand[i];
}
avgValue = (float)Math.Round(totalValue / mIBand.Length, 2);
txtValue.Text = avgValue.ToString();
}
catch (Exception ex)
{
MessageBox.Show("未能获取薄雾判识所需通道值！", "提示", MessageBoxButtons.OK);
}
});
}
}
return;
}
private void btnLand_Click(object sender, EventArgs e)
{
if (this.Tag != null)
{
IArgumentProvider arg = this.Tag as IArgumentProvider;
ICurrentRasterInteractiver crt = arg.CurrentRasterInteractiver;
if (crt != null)
{
int bandNI = (int)arg.GetArg("NearInfrared");
if (bandNI <= 0)
{
return;
}
crt.StartAOIDrawing(() =>
{
float landAvgValue = (float)Math.Round(crt.GetAvgBandValueInAOI(bandNI), 2);
txtLand.Text = landAvgValue.ToString();
});
}
}
}
private void GetCurrentRasterInteractiver(TextBox txt, string percentArgName, bool maxValue)
{
if (_argProvider != null)
{
ICurrentRasterInteractiver crt = _argProvider.CurrentRasterInteractiver;
if (crt != null)
{
int bandNI = (int)_argProvider.GetArg("NearInfrared");
if (bandNI <= 0)
{
return;
}
float percent = (float)_argProvider.GetArg(percentArgName) / 100;
if (maxValue)
{
crt.StartAOIDrawing(() =>
{
txt.Text = Math.Round(crt.GetMaxAvgBandValueInAOI(bandNI, percent), 2).ToString();
if (_handler != null)
{
_handler(GetParameterValues());
}
crt.TryFinishPencilTool();
});
}
else
{
crt.StartAOIDrawing(() =>
{
txt.Text = Math.Round(crt.GetMinAvgBandValueInAOI(bandNI, percent), 2).ToString();
if (_handler != null)
{
_handler(GetParameterValues());
}
crt.TryFinishPencilTool();
});
}
}
}
}
private void StatFilterAreas()
{
ICurrentRasterInteractiver inter = _session.SmartWindowManager.ActiveCanvasViewer as ICurrentRasterInteractiver;
if (inter != null)
{
inter.StartAOIDrawing(GetPencilType(), (aoi, shape) =>
{
string layerName = "System:StatArea";
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), layerName, _fieldNames);
if (lyr != null)
{
Dictionary <string, double> areas = StatArea(aoi, _filters);
_layerName = layerName;
//ApplyColor(lyr);
//lyr.LabelDef.Fieldname = "面积(平方公里)";
ApplyColor(lyr);
lyr.LabelDef.Fieldname = _fieldNames[1];
lyr.LabelDef.EnableLabeling = true;
CodeCell.AgileMap.Core.Feature fet = null;
try
{
fet = ToFeature(shape, areas.Values.ToArray());
}
catch (Exception ex)
{
_session.PrintMessage(ex);
}
if (fet != null)
{
lyr.AddFeature(fet);
AddFeatureToListView(fet);
}
}
});
}
}
private void SataSimpleArea()
{
string[] lstViewfieldNames = new string[] { "名称", "像元个数", "面积(平方公里)" };
string[] fieldNames = new string[] { "name", "pixelcount", "area" };
UpdateHeadersOfListView(lstViewfieldNames);
ICurrentRasterInteractiver inter = _activeViewer as ICurrentRasterInteractiver;
if (inter != null)
{
//inter
inter.StartAOIDrawing(GetPencilType(), (aoi, shape) =>
{
string layerName = "System:StatArea";
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), layerName, fieldNames);
if (lyr != null)
{
_layerName = layerName;
ApplyColor(lyr);
lyr.LabelDef.Fieldname = "area";
CodeCell.AgileMap.Core.Feature fet = null;
try
{
fet = ToFeature(aoi, shape, fieldNames);
}
catch (Exception ex)
{
_session.PrintMessage(ex);
}
if (fet != null)
{
lyr.AddFeature(fet);
AddFeatureToListView(fet);
}
}
});
}
}
