Nettopologysuite Use (1)

Test with dotspatial.topology, even if there is a Nettopologysuite class library to test:

1Polygon Inputgeometry =NULL;2LineString Analysisgeoemtry =NULL;3         Private voidButton1_Click (Objectsender, EventArgs e)4         {5             varcoords =Newcoordinate[7];6             //Shell coordinates7             varCoordscheck =Newcoordinate[7];8             Double[] Xs =New Double[] { -,260, the, -, -, the, the, the, -, -, -, -, -,260 };9             Double[] Ys =New Double[] { $,260, the, Max, the, About, $,260 };Ten              for(vari =0; I < xs.length/2; i++) One             { A                 varx = Xs[i *2]; -                 vary = xs[i *2+1]; -Coords[i] =Newcoordinate (x, y); theCoordscheck[i] =Newcoordinate (x, y); -             } -             //coordscheck[19] = new coordinate (Coords[0]. X, Coords[0]. Y); -             //coords[19] = new coordinate (Coords[0]. X, Coords[0]. Y); +             //Shell Rings -             varRing =Newlinearring (coords); +             varGF =Newgeometryfactory (); A             varRingcheck =GF. Createlinearring (Coordscheck); at             //Hole coordinates -             varCoordsholecheck =Newcoordinate[4]; -             varCoordshole =Newcoordinate[4]; -              for(vari =0; I < ys.length/2; i++) -             { -                 varx = Ys[i *2]; in                 vary = ys[i *2+1]; -Coordshole[i] =Newcoordinate (x, y); toCoordsholecheck[i] =Newcoordinate (x, y); +             } -             //Hole linearring Arrays the             varHole =Newlinearring (coordshole); *             varHoles =Newilinearring[1]; $             varHolecheck =GF. Createlinearring (Coordsholecheck);Panax Notoginseng             varHolescheck =Newilinearring[1]; -holes[0] =hole; theholescheck[0] =Holecheck; +Polygon pg =NewPolygon (ring, holes);// A             varPolygoncheck =GF. Createpolygon (Ringcheck, holescheck); the             varAreacheck =Polygoncheck.area; +             varArea =pg. area; -             // $Inputgeometry =pg; $  -             Double[] Lines =New Double[] { -, -, the, the }; -             varCOORDS1 =Newcoordinate[2]; the             varRnd1 =NewRandom (); -             varCoordscheck1 =Newcoordinate[2];Wuyi              for(vari =0; I < lines.length/2; i++) the             { -                 varx = Lines[i *2]; Wu                 vary = lines[i *2+1]; -Coords1[i] =Newcoordinate (x, y); AboutCoordscheck1[i] =Newcoordinate (x, y); $             } -  -             varGF1 =Newgeometryfactory (); -             varLscheck =GF1. Createlinestring (COORDSCHECK1); ALineString ls =NewLineString (COORDS1); +Analysisgeoemtry =ls; theIntersectionoutput =analysisgeoemtry.intersection (inputgeometry); -              This. Invalidate (); $         } theIgeometry Intersectionoutput =NULL; the         Private voidForm1_paint (Objectsender, PaintEventArgs e) the         { theGraphics GC = This. CreateGraphics (); -             if(Inputgeometry! =NULL) in             { theGraphicshelper.drawpolygon (GC, Inputgeometry,NewSolidBrush (color.red),NewPen (NewSolidBrush (Color.lightyellow)),false); the             } About             if(Analysisgeoemtry! =NULL) the             { theGraphicshelper.drawlinestring (GC, Analysisgeoemtry,NewPen (NewSolidBrush (Color.Blue)); the             } +             if(Intersectionoutput! =NULL) -             { the                 if(Intersectionoutput isLineString)Bayi                 { theLineString LSR = Intersectionoutput asLineString; thePen MP =NewPen (NewSolidBrush (Color.yellow)); -Mp. Width =2; - graphicshelper.drawlinestring (GC, LSR, MP); the                 } the                 if(Intersectionoutput ismultilinestring) the                 { theMultilinestring MLSR = Intersectionoutput asmultilinestring; -                      for(inti =0; I < MLSR. Numgeometries; i++) the                     { the                         if(MLSR. Geometries[i] isLineString) the                         {94LineString LSR = MLSR. Geometries[i] asLineString; thePen MP =NewPen (NewSolidBrush (Color.yellow)); theMp. Width =2; the graphicshelper.drawlinestring (GC, LSR, MP);98                         } About                     } -                 }101             }102 GC. Dispose ();103}

Nettopologysuite Use (1)