/// <summary>
/// Select graphics by an extent
/// </summary>
/// <param name="aExtent">extent</param>
/// <param name="selectedGraphics">ref selected graphics</param>
/// <returns>if selected</returns>
public bool SelectGraphics(Extent aExtent, ref GraphicCollection selectedGraphics)
{
selectedGraphics.GraphicList.Clear();
int i, j;
PointD aPoint = new PointD();
aPoint.X = (aExtent.minX + aExtent.maxX) / 2;
aPoint.Y = (aExtent.minY + aExtent.maxY) / 2;
foreach (Graphic aGraphic in _graphicList)
{
switch (aGraphic.Shape.ShapeType)
{
case ShapeTypes.Point:
for (i = 0; i < Count; i++)
{
PointShape aPS = (PointShape)_graphicList[i].Shape;
if (MIMath.PointInExtent(aPS.Point, aExtent))
{
selectedGraphics.Add(aGraphic);
}
}
break;
case ShapeTypes.Polyline:
case ShapeTypes.PolylineZ:
for (i = 0; i < Count; i++)
{
PolylineShape aPLS = (PolylineShape)_graphicList[i].Shape;
if (MIMath.IsExtentCross(aExtent, aPLS.Extent))
{
for (j = 0; j < aPLS.Points.Count; j++)
{
aPoint = aPLS.Points[j];
if (MIMath.PointInExtent(aPoint, aExtent))
{
selectedGraphics.Add(aGraphic);
break;
}
}
}
}
break;
case ShapeTypes.Polygon:
case ShapeTypes.Rectangle:
for (i = Count - 1; i >= 0; i--)
{
PolygonShape aPGS = (PolygonShape)_graphicList[i].Shape;
if (!(aPGS.PartNum > 1))
{
if (MIMath.PointInPolygon(aPGS.Points, aPoint))
{
selectedGraphics.Add(aGraphic);
}
}
else
{
for (int p = 0; p < aPGS.PartNum; p++)
{
ArrayList pList = new ArrayList();
if (p == aPGS.PartNum - 1)
{
for (int pp = aPGS.parts[p]; pp < aPGS.PointNum; pp++)
{
pList.Add(aPGS.Points[pp]);
}
}
else
{
for (int pp = aPGS.parts[p]; pp < aPGS.parts[p + 1]; pp++)
{
pList.Add(aPGS.Points[pp]);
}
}
if (MIMath.PointInPolygon(pList, aPoint))
{
selectedGraphics.Add(aGraphic);
break;
}
}
}
}
break;
}
}
if (selectedGraphics.Count > 0)
{
return(true);
}
else
{
return(false);
}
}
private void SavGrADSMaskoutFile()
{
SaveFileDialog SFDlg = new SaveFileDialog();
SFDlg.Filter = "GrADS File (*.ctl)|*.ctl";
if (SFDlg.ShowDialog() == DialogResult.OK)
{
string aFile = SFDlg.FileName;
int i;
bool hasSelShape = _currentLayer.HasSelectedShapes();
//Get grid set
PolygonShape aPGS = new PolygonShape();
Extent aExtent = new Extent();
int n = 0;
for (i = 0; i < _currentLayer.ShapeNum; i++)
{
aPGS = (PolygonShape)_currentLayer.ShapeList[i];
if (hasSelShape)
{
if (!aPGS.Selected)
{
continue;
}
}
if (n == 0)
{
aExtent = aPGS.Extent;
}
else
{
aExtent = MIMath.GetLagerExtent(aExtent, aPGS.Extent);
}
n += 1;
}
GridDataSetting aGDP = new GridDataSetting();
aGDP.DataExtent.minX = Math.Floor(aExtent.minX);
aGDP.DataExtent.maxX = Math.Ceiling(aExtent.maxX);
aGDP.DataExtent.minY = Math.Floor(aExtent.minY);
aGDP.DataExtent.maxY = Math.Ceiling(aExtent.maxY);
aGDP.XNum = 20;
aGDP.YNum = 20;
frmGridSet aFrmGS = new frmGridSet();
aFrmGS.SetParameters(aGDP);
if (aFrmGS.ShowDialog() == DialogResult.OK)
{
aFrmGS.GetParameters(ref aGDP);
//Show progressbar
this.toolStripProgressBar1.Visible = true;
this.toolStripProgressBar1.Value = 0;
this.Cursor = Cursors.WaitCursor;
Application.DoEvents();
//Get grid data
double[,] gridData = new double[aGDP.YNum, aGDP.XNum];
int j, p;
MeteoInfoC.PointD aPoint = new MeteoInfoC.PointD();
double xSize, ySize;
xSize = (aGDP.DataExtent.maxX - aGDP.DataExtent.minX) / (aGDP.XNum - 1);
ySize = (aGDP.DataExtent.maxY - aGDP.DataExtent.minY) / (aGDP.YNum - 1);
bool isIn = false;
for (i = 0; i < aGDP.YNum; i++)
{
aPoint.Y = aGDP.DataExtent.minY + i * ySize;
for (j = 0; j < aGDP.XNum; j++)
{
aPoint.X = aGDP.DataExtent.minX + j * xSize;
isIn = false;
for (p = 0; p < _currentLayer.ShapeNum; p++)
{
aPGS = (PolygonShape)_currentLayer.ShapeList[p];
if (hasSelShape)
{
if (!aPGS.Selected)
{
continue;
}
}
if (MIMath.PointInPolygon(aPGS, aPoint))
{
isIn = true;
break;
}
}
if (isIn)
{
gridData[i, j] = 1;
}
else
{
gridData[i, j] = -1;
}
}
this.toolStripProgressBar1.Value = (i + 1) * 100 / aGDP.YNum;
Application.DoEvents();
}
//Get GrADS data info
string dFile = Path.ChangeExtension(aFile, ".dat");
GrADSDataInfo aDataInfo = new GrADSDataInfo();
aDataInfo.TITLE = "Mask data";
aDataInfo.DSET = dFile;
aDataInfo.DTYPE = "GRIDDED";
aDataInfo.XDEF.Type = "LINEAR";
aDataInfo.XDEF.XNum = aGDP.XNum;
aDataInfo.XDEF.XMin = (Single)aGDP.DataExtent.minX;
aDataInfo.XDEF.XDelt = (Single)(xSize);
aDataInfo.YDEF.Type = "LINEAR";
aDataInfo.YDEF.YNum = aGDP.YNum;
aDataInfo.YDEF.YMin = (Single)aGDP.DataExtent.minY;
aDataInfo.YDEF.YDelt = (Single)(ySize);
aDataInfo.ZDEF.Type = "LINEAR";
aDataInfo.ZDEF.ZNum = 1;
aDataInfo.ZDEF.SLevel = 1;
aDataInfo.ZDEF.ZDelt = 1;
aDataInfo.TDEF.Type = "LINEAR";
aDataInfo.TDEF.TNum = 1;
aDataInfo.TDEF.STime = DateTime.Now;
aDataInfo.TDEF.TDelt = "1mo";
Variable aVar = new Variable();
aVar.Name = "mask";
//aVar.LevelNum = 0;
aVar.Units = "99";
aVar.Description = "background mask data";
aDataInfo.VARDEF.AddVar(aVar);
//Save files
aDataInfo.WriteGrADSCTLFile();
aDataInfo.WriteGrADSData_Grid(dFile, gridData);
//Hide progressbar
this.toolStripProgressBar1.Visible = false;
this.Cursor = Cursors.Default;
}
}
}
