public static UrbanChallenge.Common.Shapes.Polygon PolygonIntersection(UrbanChallenge.Common.Shapes.Polygon polygon, UrbanChallenge.Common.Shapes.Polygon eePolygon)
{
GpcWrapper.Polygon one = ToGpcPolygon(polygon);
GpcWrapper.Polygon two = ToGpcPolygon(eePolygon);
GpcWrapper.Polygon final = GpcWrapper.GpcWrapper.Clip(GpcWrapper.GpcOperation.Intersection, one, two);
return(ToShapePolygon(final));
}
public static UrbanChallenge.Common.Shapes.Polygon ToShapePolygon(GpcWrapper.Polygon input)
{
PointF[] polyPoints = input.ToGraphicsPath().PathPoints;
List <Coordinates> polyCoords = new List <Coordinates>();
for (int i = 0; i < polyPoints.Length; i++)
{
polyCoords.Add(DrawingUtility.ToCoord(polyPoints[i]));
}
return(new UrbanChallenge.Common.Shapes.Polygon(polyCoords));
}
/// <summary>
/// Takes union of a list of polygons
/// </summary>
/// <param name="inputs"></param>
/// <returns></returns>
public static UrbanChallenge.Common.Shapes.Polygon PolygonUnion(
List <UrbanChallenge.Common.Shapes.Polygon> inputs)
{
GpcWrapper.Polygon final = null;
foreach (UrbanChallenge.Common.Shapes.Polygon i in inputs)
{
if (final == null)
{
final = ToGpcPolygon(i);
}
else
{
final = GpcWrapper.GpcWrapper.Clip(GpcWrapper.GpcOperation.Union, ToGpcPolygon(i), final);
}
}
return(ToShapePolygon(final));
}
void panel_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
GraphicsPath p = new GraphicsPath();
// draw A
p.AddString("A", fontFamily, 0, 250, new System.Drawing.Point(0, 0), new StringFormat());
p.Flatten(new System.Drawing.Drawing2D.Matrix(), flatness);
e.Graphics.FillPath(System.Drawing.Brushes.DarkGray, p);
e.Graphics.DrawPath(new System.Drawing.Pen(System.Drawing.Color.Black, 2.0F), p);
// draw B
p.AddString("B", fontFamily, 0, 250, new System.Drawing.Point(0, 250), new StringFormat());
p.Flatten(new System.Drawing.Drawing2D.Matrix(), flatness);
e.Graphics.FillPath(System.Drawing.Brushes.DarkGray, p);
e.Graphics.DrawPath(new System.Drawing.Pen(System.Drawing.Color.Black, 2.0F), p);
// create polygonA
p = new GraphicsPath();
p.AddString("A", fontFamily, 0, 250, new System.Drawing.Point(0, 0), new StringFormat());
p.Flatten(new System.Drawing.Drawing2D.Matrix(), flatness);
GpcWrapper.Polygon polygonA = new GpcWrapper.Polygon(p);
// create polygonB
p = new GraphicsPath();
p.AddString("B", fontFamily, 0, 250, new System.Drawing.Point(0, 0), new StringFormat());
p.Flatten(new System.Drawing.Drawing2D.Matrix(), flatness);
GpcWrapper.Polygon polygonB = new GpcWrapper.Polygon(p);
// Save and Load
polygonA.Save("A.plg", true);
GpcWrapper.Polygon loadedPolygon = GpcWrapper.Polygon.FromFile("A.plg", true);
polygonB.Save("B.plg", true);
GpcWrapper.Polygon loadedPolygon2 = GpcWrapper.Polygon.FromFile("B.plg", true);
// create Tristrip
GpcWrapper.Tristrip tristrip = loadedPolygon.ToTristrip();
GpcWrapper.Tristrip tristrip2 = loadedPolygon2.ToTristrip();
for (int i = 0; i < tristrip.NofStrips; i++)
{
GpcWrapper.VertexList vertexList = tristrip.Strip[i];
GraphicsPath path = vertexList.TristripToGraphicsPath();
System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix();
m.Translate(600, 0);
path.Transform(m);
e.Graphics.FillPath(System.Drawing.Brushes.DarkGray, path);
e.Graphics.DrawPath(Pens.Black, path);
}
for (int i = 0; i < tristrip2.NofStrips; i++)
{
GpcWrapper.VertexList vertexList = tristrip2.Strip[i];
GraphicsPath path = vertexList.TristripToGraphicsPath();
System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix();
m.Translate(600, 250);
path.Transform(m);
e.Graphics.FillPath(System.Drawing.Brushes.DarkGray, path);
e.Graphics.DrawPath(Pens.Black, path);
}
PointF[] upperLeftCorner = new PointF[] { new PointF(200, 0), new PointF(200, 250), new PointF(400, 0), new PointF(400, 250) };
int position = 0;
int iName = 0;
foreach (GpcWrapper.GpcOperation operation in Enum.GetValues(typeof(GpcWrapper.GpcOperation)))
{
iName++;
GpcWrapper.Polygon polygon = polygonA.Clip(operation, polygonB);
polygon.Save(iName.ToString() + ".plg", true);
GraphicsPath path = polygon.ToGraphicsPath();
System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix();
m.Translate(upperLeftCorner[position].X, upperLeftCorner[position].Y);
path.Transform(m);
e.Graphics.FillPath(System.Drawing.Brushes.DarkGray, path);
e.Graphics.DrawPath(Pens.Black, path);
position++;
}
}
void panel_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
GraphicsPath p = new GraphicsPath();
// draw A
p.AddString("A", fontFamily, 0, 250, new System.Drawing.Point(0, 0), new StringFormat());
p.Flatten(new System.Drawing.Drawing2D.Matrix(), flatness);
e.Graphics.FillPath(System.Drawing.Brushes.DarkGray, p);
e.Graphics.DrawPath(new System.Drawing.Pen(System.Drawing.Color.Black, 2.0F), p);
// draw B
p.AddString("B", fontFamily, 0, 250, new System.Drawing.Point(0, 250), new StringFormat());
p.Flatten(new System.Drawing.Drawing2D.Matrix(), flatness);
e.Graphics.FillPath(System.Drawing.Brushes.DarkGray, p);
e.Graphics.DrawPath(new System.Drawing.Pen(System.Drawing.Color.Black, 2.0F), p);
// create polygonA
p = new GraphicsPath();
p.AddString("A", fontFamily, 0, 250, new System.Drawing.Point(0, 0), new StringFormat());
p.Flatten(new System.Drawing.Drawing2D.Matrix(), flatness);
GpcWrapper.Polygon polygonA = new GpcWrapper.Polygon(p);
// create polygonB
p = new GraphicsPath();
p.AddString("B", fontFamily, 0, 250, new System.Drawing.Point(0, 0), new StringFormat());
p.Flatten(new System.Drawing.Drawing2D.Matrix(), flatness);
GpcWrapper.Polygon polygonB = new GpcWrapper.Polygon(p);
// Save and Load
//polygonA.Save("A.plg", true);
//GpcWrapper.Polygon loadedPolygon = GpcWrapper.Polygon.FromFile("A.plg", true);
// create Tristrip
GpcWrapper.Tristrip tristrip = polygonA.ToTristrip();
for (int i = 0; i < tristrip.NofStrips; i++)
{
GpcWrapper.VertexList vertexList = tristrip.Strip[i];
GraphicsPath path = vertexList.TristripToGraphicsPath();
System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix();
m.Translate(600, 0);
path.Transform(m);
e.Graphics.FillPath(System.Drawing.Brushes.DarkGray, path);
e.Graphics.DrawPath(Pens.Black, path);
}
PointF[] upperLeftCorner = new PointF[] { new PointF(200, 0), new PointF(200, 250), new PointF(400, 0), new PointF(400, 250) };
int position = 0;
foreach (GpcWrapper.GpcOperation operation in Enum.GetValues(typeof(GpcWrapper.GpcOperation)))
{
GpcWrapper.Polygon polygon = polygonA.Clip(operation, polygonB);
GraphicsPath path = polygon.ToGraphicsPath();
System.Drawing.Drawing2D.Matrix m = new System.Drawing.Drawing2D.Matrix();
m.Translate(upperLeftCorner[position].X, upperLeftCorner[position].Y);
path.Transform(m);
e.Graphics.FillPath(System.Drawing.Brushes.DarkGray, path);
e.Graphics.DrawPath(Pens.Black, path);
position++;
}
GpcWrapper.Polygon p1 = new GpcWrapper.Polygon();
double[] x = { 0.6596, -2.3288, -2.3288, -2.0418, -2.7998, -2.8296, -2.8381, -2.8381, -1.2275 };
double[] y = { 9.2627, 2.7955, 2.7955, 3.4165, 3.1377, 3.1593, 3.1236, 3.1236, 9.9151, 0.9210, 0.1850, 1.3099 };
GpcWrapper.VertexList vl = new GpcWrapper.VertexList(x, y);
p1.AddContour(vl, false);
double[] x1 = { -3.1949, -3.5350, -3.2682 };
double[] y1 = { 0.9210, 0.1850, 1.3099 };
GpcWrapper.VertexList vl1 = new GpcWrapper.VertexList(x1, y1);
p1.AddContour(vl1, false);
GpcWrapper.Polygon p2 = new GpcWrapper.Polygon();
GpcWrapper.VertexList vl2 = new GpcWrapper.VertexList(new double[] { -3.5600, -3.3829, -4.6015, -2.8381 }, new double[] { 2.8580, 1.9185, 2.4748, 3.1236 });
p2.AddContour(vl2, false);
GpcWrapper.VertexList vl3 = new GpcWrapper.VertexList(new double[] { -1.7619, -2.8207, -2.3672, -2.5190, -2.3288, -2.7998, -2.8223, -2.8223, -2.7998 }, new double[] { 2.3837, 1.7308, 2.0105, 2.3837, 2.7955, 3.1377, 3.1294, 3.1294, 3.1377 });
p2.AddContour(vl3, false);
var p3 = p1.Clip(GpcWrapper.GpcOperation.Difference, p2);
}
