private void MarkAllVertices(double curX, double curY)
{
try
{
int handle;
if (m_globals.CurrentLayer == null)
{
return;
}
handle = m_MapWin.Layers.CurrentLayer;
MapWinGIS.Shapefile shpFile = m_globals.CurrentLayer;
int numShp = shpFile.NumShapes;
int shpIndex;
if (m_prevShape != -1)
{
if (!m_MapWin.Layers[m_MapWin.Layers.CurrentLayer].VerticesVisible)
{
m_MapWin.Layers[m_MapWin.Layers.CurrentLayer].HideVertices();
}
}
if (m_MapWin.Layers[m_MapWin.Layers.CurrentLayer].LayerType == MapWindow.Interfaces.eLayerType.PolygonShapefile)
{
shpFile.BeginPointInShapefile();
shpIndex = shpFile.PointInShapefile(curX, curY);
shpFile.EndPointInShapefile();
}
else
{
MapWinGIS.Extents bounds = new MapWinGIS.ExtentsClass();
bounds.SetBounds(curX, curY, 0, curX, curY, 0);
object resArray = null;
if (shpFile.SelectShapes(bounds, m_globals.CurrentTolerance * 2, MapWinGIS.SelectMode.INTERSECTION, ref resArray))
{
shpIndex = (int)((System.Array)resArray).GetValue(0);
}
else
{
shpIndex = -1;
}
}
if (shpIndex >= 0)
{
m_MapWin.Layers[handle].Shapes[shpIndex].ShowVertices(System.Drawing.Color.Red, m_globals.VertexSize);
m_prevShape = shpIndex;
}
else
{
m_prevShape = -1;
}
}
catch (System.Exception ex)
{
m_MapWin.ShowErrorDialog(ex);
}
}
private void SelectExtents(MapWinGIS.Extents ext)
{
object[] Shapes = new object[m_Map.NumLayers];
if (m_CurrentLayer == -1 || m_CurrentLayer >= m_Map.NumLayers)
{
for (int lyr = 0; lyr < m_Map.NumLayers; lyr++)
{
object ob = m_Map.get_GetObject(lyr);
if (ob.GetType() != typeof(MapWinGIS.Shapefile))
{
return;
}
MapWinGIS.Shapefile sf = ob as MapWinGIS.Shapefile;
sf.SelectShapes(ext, 0, MapWinGIS.SelectMode.INTERSECTION, ref Shapes[m_CurrentLayer]);
}
}
else
{
object ob = m_Map.get_GetObject(m_CurrentLayer);
if (ob.GetType() != typeof(MapWinGIS.Shapefile))
{
return;
}
MapWinGIS.Shapefile sf = ob as MapWinGIS.Shapefile;
sf.SelectShapes(ext, 0, MapWinGIS.SelectMode.INTERSECTION, ref Shapes[m_CurrentLayer]);
}
m_Map.SuspendLayout();
// If shift is down then we append to the selection
if (m_ShiftPressed == false)
{
// Clear the selection first
ClearSelectedShapes();
}
//Append selected shapes
for (int lyr = 0; lyr < m_Map.NumLayers; lyr++)
{
int[] myShapes = Shapes[lyr] as int[];
for (int shp = 0; shp <= myShapes.GetUpperBound(0); shp++)
{
if (m_SelectedShapes[lyr].Contains(myShapes[shp]))
{
continue;
}
m_SelectedShapes[lyr].Add(myShapes[shp]);
}
}
for (int lyr = 0; lyr < m_SelectedShapes.GetUpperBound(0); lyr++)
{
Highlight_Layer(lyr);
}
m_Map.ResumeLayout();
}
private void cmdIdentify_Click(object sender, EventArgs e)
{
if (m_MapWin.View.SelectedShapes.NumSelected == 0)
{
MapWinUtility.Logger.Msg(resMan.GetString("msgZeroShapesSelected.Text"), resMan.GetString("titleSelectShapes.Text"));
return;
}
if (cmbIdentFrom.SelectedIndex == -1)
{
MapWinUtility.Logger.Msg(resMan.GetString("msgIdentFromNotSelected.Text"), resMan.GetString("titleSpecifyLayer.Text"));
return;
}
if (cmbIdentWith.SelectedIndex == -1)
{
MapWinUtility.Logger.Msg(resMan.GetString("msgIdentWithNotSelected.Text"), resMan.GetString("titleSpecifyLayer.Text"));
return;
}
if (m_MapWin.View.SelectedShapes.NumSelected == 0)
{
return;
}
// If it's a polygon layer we're identifying, call SelectByPolygon
// If it's a grid, extract by mask
// ...then, open that temporary file (not Add to Map, just "Open"), and summarize all data within that
// file.
int fromLayerHandle = -1;
int maskLayerHandle = -1;
if (cmbIdentFrom.SelectedIndex != -1)
{
string s = cmbIdentFrom.Items[cmbIdentFrom.SelectedIndex].ToString();
if (s.Contains(")"))
{
s = s.Substring(0, s.IndexOf(")"));
}
s = s.Replace("(", "");
if (!int.TryParse(s, out fromLayerHandle))
{
return;
}
if (fromLayerHandle == -1)
{
return;
}
}
if (cmbIdentWith.SelectedIndex != -1)
{
string s = cmbIdentWith.Items[cmbIdentWith.SelectedIndex].ToString();
if (s.Contains(")"))
{
s = s.Substring(0, s.IndexOf(")"));
}
s = s.Replace("(", "");
if (!int.TryParse(s, out maskLayerHandle))
{
return;
}
if (maskLayerHandle == -1)
{
return;
}
}
string TempPath = System.IO.Path.GetTempFileName();
System.IO.File.Delete(TempPath);
MapWinGIS.Shape IdentifyBy;
MapWinGIS.Shapefile sf = (MapWinGIS.Shapefile)m_MapWin.Layers[m_MapWin.Layers.CurrentLayer].GetObject();
if (m_MapWin.View.SelectedShapes.NumSelected > 1)
{
// Get 0 and 1 first to initialize IdentifyBy
MapWinGIS.Shape shp1 = sf.get_Shape(m_MapWin.View.SelectedShapes[0].ShapeIndex);
MapWinGIS.Shape shp2 = sf.get_Shape(m_MapWin.View.SelectedShapes[1].ShapeIndex);
MapWinGeoProc.SpatialOperations.MergeShapes(ref shp1, ref shp2, out IdentifyBy);
// ...now, the rest
if (m_MapWin.View.SelectedShapes.NumSelected > 2)
{
for (int i = 2; i < m_MapWin.View.SelectedShapes.NumSelected; i++)
{
MapWinGIS.Shape tmpResultShp;
MapWinGIS.Shape shp3 = sf.get_Shape(m_MapWin.View.SelectedShapes[i].ShapeIndex);
MapWinGeoProc.SpatialOperations.MergeShapes(ref IdentifyBy, ref shp3, out tmpResultShp);
IdentifyBy = tmpResultShp;
tmpResultShp = null;
}
}
// Ready to identify based on a single shape now regardless of multiple selected
}
else
{
IdentifyBy = sf.get_Shape(m_MapWin.View.SelectedShapes[0].ShapeIndex);
}
MapWindow.Interfaces.eLayerType layerType = m_MapWin.Layers[fromLayerHandle].LayerType;
if (layerType == MapWindow.Interfaces.eLayerType.Grid)
{
// Grid
TempPath = System.IO.Path.ChangeExtension(TempPath, ".bgd");
string fn = m_MapWin.Layers[fromLayerHandle].FileName;
MapWinGeoProc.SpatialOperations.ClipGridWithPolygon(ref fn, ref IdentifyBy, ref TempPath, chbJustToExtents.Checked);
MapWinGIS.Grid grd = new MapWinGIS.Grid();
grd.Open(TempPath, MapWinGIS.GridDataType.UnknownDataType, true, MapWinGIS.GridFileType.UseExtension, null);
if (grd == null || grd.Header == null)
{
MapWinUtility.Logger.Msg(resMan.GetString("msgNoGridValues.Text"), resMan.GetString("titleNoGridValues.Text"));
return;
}
m_Plugin.ActivateNoLoad();
m_Plugin.LoadLayerAlternate(layerType, m_MapWin.Layers[fromLayerHandle].Name);
MapWinGIS.Extents exts = new MapWinGIS.Extents();
exts.SetBounds(grd.Header.XllCenter, grd.Header.YllCenter + grd.Header.NumberRows * grd.Header.dY, 0, grd.Header.XllCenter + grd.Header.NumberCols * grd.Header.dX, grd.Header.YllCenter, 0);
m_MapWin.Layers.CurrentLayer = fromLayerHandle;
m_Plugin.m_GridPropfrm.PopulateForm(!m_Plugin.m_HavePanel, grd, m_MapWin.Layers[fromLayerHandle].Name, exts, fromLayerHandle);
this.Close();
}
else
{
// SF
if (!chbJustToExtents.Checked)
{
string fn = m_MapWin.Layers[fromLayerHandle].FileName;
// 2/14/2008 jk the results ArrayList cannot be null,
// when it was null it caused an exception in SpatialOperations.SelectWithPolygon method
//System.Collections.ArrayList results = null;
System.Collections.ArrayList results = new System.Collections.ArrayList();
MapWinGeoProc.SpatialOperations.SelectWithPolygon(ref fn, ref IdentifyBy, ref results);
// Switch current layer over to the one we're identifying so that the shapes
// can be reselected for visual effect
m_MapWin.Layers.CurrentLayer = fromLayerHandle;
m_Plugin.ActivateNoLoad();
m_Plugin.LoadLayerAlternate(layerType, m_MapWin.Layers[fromLayerHandle].Name);
int[] iresults = new int[results.Count];
for (int i = 0; i < results.Count; i++)
{
iresults[i] = (int)results[i];
m_MapWin.View.SelectedShapes.AddByIndex((int)results[i], m_MapWin.View.SelectColor);
}
m_Plugin.m_shpFilePropfrm.PopulateForm(!m_Plugin.m_HavePanel, (MapWinGIS.Shapefile)m_MapWin.Layers[fromLayerHandle].GetObject(), iresults, m_MapWin.Layers[fromLayerHandle].Name, false);
this.Close();
}
else
{
object rslt = null;
m_MapWin.Layers.CurrentLayer = fromLayerHandle;
MapWinGIS.Shapefile DestSF = (MapWinGIS.Shapefile)m_MapWin.Layers[fromLayerHandle].GetObject();
DestSF.SelectShapes(IdentifyBy.Extents, 0.1, MapWinGIS.SelectMode.INTERSECTION, ref rslt);
m_Plugin.ActivateNoLoad();
m_Plugin.LoadLayerAlternate(layerType, m_MapWin.Layers[fromLayerHandle].Name);
int[] results = (int[])rslt;
for (int i = 0; i < results.Length; i++)
{
m_MapWin.View.SelectedShapes.AddByIndex((int)results[i], m_MapWin.View.SelectColor);
}
m_Plugin.m_shpFilePropfrm.PopulateForm(!m_Plugin.m_HavePanel, DestSF, results, m_MapWin.Layers[fromLayerHandle].Name, false);
this.Close();
}
}
}
/// <summary>
/// 根据给定的shapefile、范围、容差来将选择的shape存入shapeInfo集合中
/// </summary>
internal MapWinGIS.Interfaces.SelectInfo PerformSelection(MapWinGIS.Shapefile sf, MapWinGIS.Extents bounds, double tolerance)
{
SelectInfo m_SelectedShapes = new SelectInfo(this.LegendControl.SelectedLayer);
if (m_SelectedShapes == null)
{
m_SelectedShapes = new MainProgram.SelectInfo(this.LegendControl.SelectedLayer);
}
m_SelectedShapes.ClearSelectedShapesTemp();
object arr = null;
System.Array results = null;
if (sf.SelectShapes(bounds, tolerance, m_Selectmethod, ref arr))
{
results = (System.Array)arr;
}
if (m_SelectionOperation == Interfaces.SelectionOperation.SelectNew)
{
sf.SelectNone();
}
int i;
//设置选择的shape
if (results != null && results.Length > 0)
{
int len = results.Length;
if (m_SelectionOperation == Interfaces.SelectionOperation.SelectNew)
{
for (i = 0; i < len; i++)
{
sf.ShapeSelected[((int)results.GetValue(i))] = true;
}
}
else if (m_SelectionOperation == Interfaces.SelectionOperation.SelectAdd)
{
for (i = 0; i < len; i++)
{
sf.ShapeSelected[((int)results.GetValue(i))] = true;
}
}
else if (m_SelectionOperation == Interfaces.SelectionOperation.SelectExclude)
{
for (i = 0; i < len; i++)
{
sf.ShapeSelected[((int)results.GetValue(i))] = false;
}
}
else if (m_SelectionOperation == Interfaces.SelectionOperation.SelectInvert)
{
for (i = 0; i < len; i++)
{
sf.ShapeSelected[((int)results.GetValue(i))] = !sf.ShapeSelected[((int)results.GetValue(i))];
}
}
}
else
{
if (m_SelectionOperation == Interfaces.SelectionOperation.SelectNew)
{
sf.SelectNone();
}
}
// 将选择的shape添加到shapeInfo集合中
for (i = 0; i < sf.NumShapes; i++)
{
if (sf.ShapeSelected[i])
{
SelectedShape shape = new SelectedShape();
shape.Add(i);
m_SelectedShapes.AddSelectedShape(shape);
}
}
m_selection = null;
this.Redraw();
return(m_SelectedShapes);
}