public void DrawCircle()
{
_axMap1.ClearDrawings();
var dhandle = _axMap1.NewDrawing(tkDrawReferenceList.dlSpatiallyReferencedList);
_axMap1.DrawCircle(24.0, 57.0, 0.1, 0, false);
Helper.SaveSnapshot2(_axMap1, "DrawCircle.jpg");
}
// <summary>
// Opens a shapefile, registers event handler
// </summary>
public void ToolTip(AxMap axMap1)
{
axMap1.Projection = tkMapProjection.PROJECTION_NONE;
foreach (var filename in _l)
{
if (!File.Exists(filename))
{
MessageBox.Show("Couldn't file the file: " + filename);
return;
}
Shapefile sf = new Shapefile();
sf.Open(filename, null);
if (!sf.StartEditingShapes(true, null))
{
MessageBox.Show("Failed to start edit mode: " + sf.Table.ErrorMsg[sf.LastErrorCode]);
}
else
{
sf.UseQTree = true;
sf.Labels.Generate("[Name]", tkLabelPositioning.lpCentroid, false);
axMap1.AddLayer(sf, true);
axMap1.SendMouseMove = true;
axMap1.ShowRedrawTime = true;
axMap1.MapUnits = tkUnitsOfMeasure.umMeters;
axMap1.CurrentScale = 50000;
axMap1.CursorMode = tkCursorMode.cmNone;
axMap1.MouseMoveEvent += AxMap1MouseMoveEvent; // change MapEvents to axMap1
_mDrawingHandle = axMap1.NewDrawing(tkDrawReferenceList.dlScreenReferencedList);
Labels labels = axMap1.get_DrawingLabels(_mDrawingHandle);
labels.FrameVisible = true;
labels.FrameType = tkLabelFrameType.lfRectangle;
}
}
//string filename = @"C:\Users\Admin\source\repos\GIS\GIS\bin\Debug\Shapefiles_Data\Hanoi\planet_105.141,20.676_106.164,21.273.osm.shp\shape\roads.shp";
}
public bool DrawLegend()
{
bool success = false;
RemoveLegend();
if (Graticule != null && Graticule.GridVisible)
{
if (_legendExtents != null)
{
_mapLegendPosition = MapLegendPosition.PositionFromDefinedExtent;
}
else
{
//SetLegendPositionFromCorner();
_mapLegendPosition = MapLegendPosition.PositionFromCorner;
}
_legendDrawingLayer = _mapControl.NewDrawing(tkDrawReferenceList.dlScreenReferencedList);
using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
{
g.PageUnit = GraphicsUnit.Pixel;
foreach (MapLayer ml in MapLayersHandler)
{
if (ml.IncludeInLegend)
{
SizeF size = g.MeasureString(ml.Name, SystemFonts.DefaultFont);
LegendLabel label = new LegendLabel(ml.Handle, ml.Name, size.Width);
label.Height = size.Height;
_legendLabels.Add(ml.Handle, label);
if (size.Width > _labelMaxWidth)
{
_labelMaxWidth = size.Width;
}
if (ml.LayerType == "ShapefileClass")
{
var sf = ml.LayerObject as Shapefile;
if (sf.Categories.Count == 0)
{
}
else if (sf.Categories.Count > 0)
{
foreach (var item in ml.ClassificationItems)
{
size = g.MeasureString(item.Value.Caption, SystemFonts.DefaultFont);
}
}
}
else
{
//not a shapefile
}
}
}
}
success = SetLegendFrame();
}
_mapControl.Redraw();
return(_legendLabels.Count > 0);
}
// <summary>
// Opens a shapefile, registers event handler
// </summary>
public void ToolTip(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
string filename = dataPath + "landuse.shp";
if (!File.Exists(filename))
{
MessageBox.Show("Couldn't file the file: " + filename);
return;
}
Shapefile sf = new Shapefile();
sf.Open(filename, null);
if (!sf.StartEditingShapes(true, null))
{
MessageBox.Show("Failed to start edit mode: " + sf.Table.ErrorMsg[sf.LastErrorCode]);
}
else
{
sf.UseQTree = true;
sf.Labels.Generate("[Name]", tkLabelPositioning.lpCentroid, false);
axMap1.AddLayer(sf, true);
axMap1.SendMouseMove = true;
axMap1.ShowRedrawTime = true;
axMap1.MapUnits = tkUnitsOfMeasure.umMeters;
axMap1.CurrentScale = 50000;
axMap1.CursorMode = tkCursorMode.cmNone;
MapEvents.MouseMoveEvent += AxMap1MouseMoveEvent; // change MapEvents to axMap1
_mDrawingHandle = axMap1.NewDrawing(tkDrawReferenceList.dlScreenReferencedList);
Labels labels = axMap1.get_DrawingLabels(_mDrawingHandle);
labels.FrameVisible = true;
labels.FrameType = tkLabelFrameType.lfRectangle;
}
}
public int AddLayer(DrawReferenceList projection)
{
return(_map.NewDrawing((tkDrawReferenceList)projection));
}
// <summary>
// Creates a drawing layer from the specified shapefile.
// </summary>
public void ShapefileToDrawingLayer(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_NONE;
axMap1.GrabProjectionFromData = true;
string[] filenames = new [] { "buildings.shp", "roads.shp", "points.shp" };
for (int i = 0; i < filenames.Length; i++)
{
filenames[i] = dataPath + filenames[i];
}
Extents extents = null;
var center = (axMap1.Extents as Extents).Center;
try
{
for (int n = 0; n < filenames.Length; n++)
{
Shapefile sf = new Shapefile();
if (sf.Open(filenames[n], null))
{
if (axMap1.Projection == tkMapProjection.PROJECTION_NONE)
{
axMap1.GeoProjection = sf.GeoProjection.Clone();
}
if (extents == null)
{
extents = sf.Extents; // the extents of the fist shapefile will be used to setup display
}
int drawHandle = axMap1.NewDrawing(tkDrawReferenceList.dlSpatiallyReferencedList);
for (int i = 0; i < sf.NumShapes; i++)
{
Shape shp = sf.Shape[i];
if (shp.ShapeType == ShpfileType.SHP_POINT)
{
double x = 0.0;
double y = 0.0;
shp.get_XY(0, ref x, ref y);
axMap1.DrawPointEx(drawHandle, x, y, 5, 0);
}
else
{
for (int p = 0; p < shp.NumParts; p++)
{
int initIndex = shp.Part[p];
int numPoints = shp.EndOfPart[p] - shp.Part[p] + 1;
if (numPoints > 0)
{
double[] x = new double[numPoints];
double[] y = new double[numPoints];
for (int j = 0; j < numPoints; j++)
{
shp.get_XY(j + initIndex, ref x[j], ref y[j]);
}
object xObj = x;
object yObj = y;
bool drawFill = shp.ShapeType == ShpfileType.SHP_POLYGON;
uint color = sf.ShapefileType == ShpfileType.SHP_POLYGON ? sf.DefaultDrawingOptions.FillColor :
sf.DefaultDrawingOptions.LineColor;
axMap1.DrawPolygonEx(drawHandle, ref xObj, ref yObj, numPoints, color, drawFill);
}
}
}
}
}
}
}
finally
{
if (extents != null)
{
axMap1.Extents = extents;
}
axMap1.LockWindow(tkLockMode.lmUnlock);
axMap1.Redraw();
}
}
