public override void OnMouseDown(int x, int y, System.Windows.Forms.MouseEventArgs e)
{
RgPoint P1 = mScreenDisplay.DisplayTransformation.ToUnit(new System.Drawing.PointF(x, y));
Carto.FetureLayer featurelyr = mMapCtrl.Map.CurrentLayer as Carto.FetureLayer;
if (featurelyr != null && featurelyr.ShapeType == RgEnumShapeType.RgPoint)
{
featurelyr.AddFeature(P1);
}
mMapCtrl.Refresh();
}
public override void OnMouseDown(int x, int y, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
n++;
if (n <= 1)
{
line = new LineString();
RgPoint pt = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
line.Vertices.Add(pt);
lastPoint1Unit = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
lastPoint2 = new PointF(x, y);
}
else
{
RgPoint ptNext = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
line.Vertices.Add(ptNext);
lastPoint1Unit = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
lastPoint2 = new PointF(x, y);
mScreenDisplay.NewObject = line;
mMapCtrl.Refresh();
}
}
else
{
Carto.FetureLayer featurelyr = mMapCtrl.Map.CurrentLayer as Carto.FetureLayer;
if (featurelyr != null && featurelyr.ShapeType == RgEnumShapeType.RgLineString)
{
featurelyr.mGeometries.Add(line);
}
n = 0;
mScreenDisplay.NewObject = null;
mMapCtrl.Refresh();
}
}
public override void OnMouseUp(int x, int y)
{
if (m_selection != null)
{
List <Feature> SelectFeatures = new List <Feature>();
screenSelRect = m_selection.ScreenRect();
RgPoint lowLeft = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(screenSelRect.Left, screenSelRect.Bottom));
RgPoint upRight = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(screenSelRect.Right, screenSelRect.Top));
BoundingBox box = new BoundingBox(lowLeft, upRight);
//RectangleF selectionRect = m_selection.Selection(m_canvaswrapper);
if (screenSelRect != Rectangle.Empty)
{
// is any selection rectangle. use it for selection
for (int i = 0; i < mMap.Layers.Count; i++)
{
ILayer lyr = mMap.Layers[i];
if (lyr is FetureLayer)
{
Carto.FetureLayer featlyr = lyr as Carto.FetureLayer;
SelectFeatures = featlyr.GetHitObjects(box, m_selection.AnyPoint());
if (SelectFeatures != null)
{
for (int j = 0; j < SelectFeatures.Count; j++)
{
SelectFeatures[j].IsSelected = true;
}
if (mMap.Selection == null)
{
mMap.Selection = new MapSelection();
}
mMap.Selection.SelectedFeatures.AddRange(SelectFeatures);
}
}
}
}
else
{
for (int i = 0; i < mMap.Layers.Count; i++)
{
ILayer lyr = mMap.Layers[i];
if (lyr is FetureLayer)
{
Carto.FetureLayer featlyr = lyr as Carto.FetureLayer;
RgPoint mousepoint = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
SelectFeatures = featlyr.GetHitObjects(mousepoint, 0.1);
if (SelectFeatures != null)
{
for (int j = 0; j < SelectFeatures.Count; j++)
{
SelectFeatures[j].IsSelected = true;
}
if (mMap.Selection == null)
{
mMap.Selection = new MapSelection();
}
mMap.Selection.SelectedFeatures.AddRange(SelectFeatures);
}
}
}
}
mMapCtrl.Refresh();
m_selection = null;
}
}
public override void OnMouseDown(int x, int y, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
n++;
if (n == 1)
{
RGeos.Geometries.RgPoint pt = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
RGeos.Geometries.RgPoint P0 = new RGeos.Geometries.RgPoint(pt.X, pt.Y);
RGeos.Geometries.RgPoint P1 = new RGeos.Geometries.RgPoint(pt.X, pt.Y);
RGeos.Geometries.RgPoint P2 = new RGeos.Geometries.RgPoint(pt.X, pt.Y);
vertices.Add(P0);
vertices.Add(P1);
vertices.Add(P2);
line = new LinearRing(vertices);
}
else if (n == 2)
{
PointF p2 = new PointF(x, y);
RGeos.Geometries.RgPoint pt1 = vertices[0];
RGeos.Geometries.RgPoint pt2 = mScreenDisplay.DisplayTransformation.ToUnit(p2);
vertices[1] = pt2;
mScreenDisplay.StartDrawing(mMapCtrl.CreateGraphics(), 1);
mScreenDisplayDraw.DrawLine(pt1, pt2, Pens.Blue);
mScreenDisplay.FinishDrawing();
//n = 0;
}
else if (n == 3)
{
PointF p1 = new PointF(x, y);
RGeos.Geometries.RgPoint pt = mScreenDisplay.DisplayTransformation.ToUnit(p1);
vertices[2] = pt;
polygon.ExteriorRing = line;
if (line != null)
{
SolidBrush brush = new SolidBrush(Color.Blue);
Pen pen = new Pen(brush);
mScreenDisplay.NewObject = polygon;
mMapCtrl.Refresh();
}
}
else
{
PointF p1 = new PointF(x, y);
RGeos.Geometries.RgPoint pt = mScreenDisplay.DisplayTransformation.ToUnit(p1);
RGeos.Geometries.RgPoint P4 = pt;
vertices.Add(P4);
SolidBrush brush = new SolidBrush(Color.Blue);
Pen pen = new Pen(brush);
mScreenDisplay.NewObject = polygon;
mMapCtrl.Refresh();
}
}
else if (e.Button == MouseButtons.Right)
{
Carto.FetureLayer featurelyr = mMapCtrl.Map.CurrentLayer as Carto.FetureLayer;
if (featurelyr != null && featurelyr.ShapeType == RgEnumShapeType.RgPolygon)
{
featurelyr.AddFeature(polygon);
}
vertices = new List <RGeos.Geometries.RgPoint>();
polygon = new Polygon();
tempPolygon = new Polygon();
mScreenDisplay.NewObject = null;
n = 0;
mMapCtrl.Refresh();
}
}
