using System;
using System.Collections.Generic;
using System.Text;
using OSGeo.MapGuide;
namespace OSGeo.MapGuide
{
public class GeomBuild
{
private MgGeometryFactory factory = new MgGeometryFactory();
public MgPoint CreatePoint()
{
MgCoordinate coord = factory.CreateCoordinateXYZ(5.0, 3.0, 2.0);
return factory.CreatePoint(coord);
}
public MgLineString CreateLineString(double offset)
{
MgCoordinateCollection coordCol = new MgCoordinateCollection();
MgCoordinate coord1 = factory.CreateCoordinateXY(offset + 0.0, 1.0);
MgCoordinate coord2 = factory.CreateCoordinateXY(offset + 2.0, 3.0);
MgCoordinate coord3 = factory.CreateCoordinateXY(offset + 4.0, 5.0);
coordCol.Add(coord1);
coordCol.Add(coord2);
coordCol.Add(coord3);
return factory.CreateLineString(coordCol);
}
public MgLinearRing CreateLinearRing(double offset)
{
MgCoordinate oCoord1 = factory.CreateCoordinateXY(0.0, offset);
MgCoordinate oCoord2 = factory.CreateCoordinateXY(5.0, offset);
MgCoordinate oCoord3 = factory.CreateCoordinateXY(5.0, offset+5.0);
MgCoordinate oCoord4 = factory.CreateCoordinateXY(0.0, offset+5.0);
MgCoordinate oCoord5 = factory.CreateCoordinateXY(0.0, offset);
MgCoordinateCollection outerRingCoord = new MgCoordinateCollection();
outerRingCoord.Add(oCoord1);
outerRingCoord.Add(oCoord2);
outerRingCoord.Add(oCoord3);
outerRingCoord.Add(oCoord4);
outerRingCoord.Add(oCoord5);
return factory.CreateLinearRing(outerRingCoord);
}
public MgPolygon CreatePolygon(double offset)
{
// OuterRing
MgCoordinate oCoord1 = factory.CreateCoordinateXY(offset + 0.0, 0.0);
MgCoordinate oCoord2 = factory.CreateCoordinateXY(offset + 5.0, 0.0);
MgCoordinate oCoord3 = factory.CreateCoordinateXY(offset + 5.0, 5.0);
MgCoordinate oCoord4 = factory.CreateCoordinateXY(offset + 0.0, 5.0);
MgCoordinate oCoord5 = factory.CreateCoordinateXY(offset + 0.0, 0.0);
MgCoordinateCollection outerRingCoord = new MgCoordinateCollection();
outerRingCoord.Add(oCoord1);
outerRingCoord.Add(oCoord2);
outerRingCoord.Add(oCoord3);
outerRingCoord.Add(oCoord4);
outerRingCoord.Add(oCoord5);
// Inner Ring1
MgCoordinate i1Coord1 = factory.CreateCoordinateXY(offset + 1.0, 1.0);
MgCoordinate i1Coord2 = factory.CreateCoordinateXY(offset + 2.0, 1.0);
MgCoordinate i1Coord3 = factory.CreateCoordinateXY(offset + 2.0, 2.0);
MgCoordinate i1Coord4 = factory.CreateCoordinateXY(offset + 1.0, 1.0);
MgCoordinateCollection inner1RingCoord = new MgCoordinateCollection();
inner1RingCoord.Add(i1Coord1);
inner1RingCoord.Add(i1Coord2);
inner1RingCoord.Add(i1Coord3);
inner1RingCoord.Add(i1Coord4);
// Inner Ring2
MgCoordinate i2Coord1 = factory.CreateCoordinateXY(offset + 3.0, 3.0);
MgCoordinate i2Coord2 = factory.CreateCoordinateXY(offset + 4.0, 3.0);
MgCoordinate i2Coord3 = factory.CreateCoordinateXY(offset + 4.0, 4.0);
MgCoordinate i2Coord4 = factory.CreateCoordinateXY(offset + 3.0, 3.0);
MgCoordinateCollection inner2RingCoord = new MgCoordinateCollection();
inner2RingCoord.Add(i2Coord1);
inner2RingCoord.Add(i2Coord2);
inner2RingCoord.Add(i2Coord3);
inner2RingCoord.Add(i2Coord4);
MgLinearRing extRing = factory.CreateLinearRing(outerRingCoord);
MgLinearRing intRing1 = factory.CreateLinearRing(inner1RingCoord);
MgLinearRing intRing2 = factory.CreateLinearRing(inner2RingCoord);
MgLinearRingCollection intRings = new MgLinearRingCollection();
intRings.Add(intRing1);
intRings.Add(intRing2);
return factory.CreatePolygon(extRing, intRings);
}
public MgCurveString CreateCurveString(double offset)
{
// Create and return a curvestring consisting of
// one circulararc segment and one linearstring segment
// arcseg = (0,0), (0,1), (1,2)
// lineseg = (1,2), (3,0), (3,2)
// ArcSegment
MgCoordinate startPos = factory.CreateCoordinateXY(offset+0.0, offset+0.0);
MgCoordinate midPos = factory.CreateCoordinateXY(offset+0.0, offset+1.0);
MgCoordinate endPos = factory.CreateCoordinateXY(offset+1.0, offset+2.0);
MgArcSegment arcSeg = factory.CreateArcSegment(startPos, endPos, midPos);
// Linear Segment
MgCoordinateCollection points = new MgCoordinateCollection();
MgCoordinate pt1 = factory.CreateCoordinateXY(offset+1.0, offset+2.0);
MgCoordinate pt2 = factory.CreateCoordinateXY(offset+3.0, offset+0.0);
MgCoordinate pt3 = factory.CreateCoordinateXY(offset+3.0, offset+2.0);
points.Add(pt1);
points.Add(pt2);
points.Add(pt3);
MgLinearSegment lineSeg = factory.CreateLinearSegment(points);
// CurveSegment
MgCurveSegmentCollection curveSegs = new MgCurveSegmentCollection();
curveSegs.Add(arcSeg);
curveSegs.Add(lineSeg);
return factory.CreateCurveString(curveSegs);
}
public MgCurveRing CreateCurveRing(double offset)
{
// Ring is a closed entity.
// Create and return a ring consisting of
// one circulararc segment and one linearstring segment
// arcseg = (0,0), (0,1), (1,2)
// lineseg = (1,2), (0,0)
// ArcSegment
MgCoordinate startPos = factory.CreateCoordinateXY(offset+0.0, offset+0.0);
MgCoordinate midPos = factory.CreateCoordinateXY(offset+0.0, offset+1.0);
MgCoordinate endPos = factory.CreateCoordinateXY(offset+1.0, offset+2.0);
MgArcSegment arcSeg = factory.CreateArcSegment(startPos, endPos, midPos);
// Linear Segment
MgCoordinateCollection points = new MgCoordinateCollection();
MgCoordinate fromPt = factory.CreateCoordinateXY(offset+1.0, offset+2.0);
MgCoordinate toPt = factory.CreateCoordinateXY(offset+0.0, offset+0.0);
points.Add(fromPt);
points.Add(toPt);
MgLinearSegment lineSeg = factory.CreateLinearSegment(points);
// Curve Segment
MgCurveSegmentCollection curveSegs = new MgCurveSegmentCollection();
curveSegs.Add(arcSeg);
curveSegs.Add(lineSeg);
return factory.CreateCurveRing(curveSegs);
}
public MgCurvePolygon CreateCurvePolygon(double offset, int increment)
{
MgCurveRing extRing = CreateCurveRing(offset + increment);
MgCurveRingCollection intRings = new MgCurveRingCollection();
MgCurveRing ring1 = CreateCurveRing(offset + 2 * increment);
MgCurveRing ring2 = CreateCurveRing(offset + 3 * increment);
intRings.Add(ring1);
intRings.Add(ring2);
return factory.CreateCurvePolygon(extRing, intRings);
}
public MgMultiPoint CreateMultiPoint()
{
MgCoordinate coord1 = factory.CreateCoordinateXYZ(1.0, 2.0, 3.0);
MgPoint point1 = factory.CreatePoint(coord1);
MgCoordinate coord2 = factory.CreateCoordinateXYZ(4.0, 5.0, 6.0);
MgPoint point2 = factory.CreatePoint(coord2);
MgCoordinate coord3 = factory.CreateCoordinateXYZ(7.0, 8.0, 9.0);
MgPoint point3 = factory.CreatePoint(coord3);
MgPointCollection pnts = new MgPointCollection();
pnts.Add(point1);
pnts.Add(point2);
pnts.Add(point3);
return factory.CreateMultiPoint(pnts);
}
public MgMultiLineString CreateMultiLineString()
{
MgCoordinate coord1 = factory.CreateCoordinateXYZ(0.0, 1.0, 2.0);
MgCoordinate coord2 = factory.CreateCoordinateXYZ(3.0, 4.0, 5.0);
MgCoordinate coord3 = factory.CreateCoordinateXYZ(6.0, 7.0, 8.0);
MgCoordinateCollection coordColA = new MgCoordinateCollection();
coordColA.Add(coord1);
coordColA.Add(coord2);
coordColA.Add(coord3);
MgCoordinate coord4 = factory.CreateCoordinateXYZ( 9.0, 10.0, 11.0);
MgCoordinate coord5 = factory.CreateCoordinateXYZ(12.0, 13.0, 14.0);
MgCoordinate coord6 = factory.CreateCoordinateXYZ(15.0, 16.0, 17.0);
MgCoordinateCollection coordColB = new MgCoordinateCollection();
coordColB.Add(coord4);
coordColB.Add(coord5);
coordColB.Add(coord6);
MgLineString lineString1 = factory.CreateLineString(coordColA);
MgLineString lineString2 = factory.CreateLineString(coordColB);
MgLineStringCollection lineStrings = new MgLineStringCollection();
lineStrings.Add(lineString1);
lineStrings.Add(lineString2);
return factory.CreateMultiLineString(lineStrings);
}
public MgMultiPolygon CreateMultiPolygon()
{
MgPolygon polygon1 = CreatePolygon(0.0);
MgPolygon polygon2 = CreatePolygon(0.0);
MgPolygonCollection polygons = new MgPolygonCollection();
polygons.Add(polygon1);
polygons.Add(polygon2);
return factory.CreateMultiPolygon(polygons);
}
MgMultiCurveString CreateMultiCurveString()
{
MgCurveString curveString1 = CreateCurveString(100);
MgCurveString curveString2 = CreateCurveString(200);
MgCurveString curveString3 = CreateCurveString(300);
MgCurveStringCollection curveStrings = new MgCurveStringCollection();
curveStrings.Add(curveString1);
curveStrings.Add(curveString2);
curveStrings.Add(curveString3);
return factory.CreateMultiCurveString(curveStrings);
}
public MgMultiCurvePolygon CreateMultiCurvePolygon(int numCurvePolys, double offset)
{
MgCurvePolygonCollection curvePolys = new MgCurvePolygonCollection();
for (int i=0; i < numCurvePolys; i++)
{
MgCurvePolygon curvePoly = CreateCurvePolygon(i+offset, 1);
curvePolys.Add(curvePoly);
}
return factory.CreateMultiCurvePolygon(curvePolys);
}
public MgMultiGeometry CreateMultiGeometry()
{
MgGeometryCollection geometries = new MgGeometryCollection();
MgGeometry geometry = null;
// CurvePolygon
geometry = (MgGeometry)CreateCurvePolygon(0, 1);
geometries.Add(geometry);
// CurveString
// Not doing CurveString because of some unfixed defect.
// It may be the same one that sometimes affects MultiPolygon.
geometry = (MgGeometry)CreateCurveString(100);
geometries.Add(geometry);
// LineString
geometry = (MgGeometry)CreateLineString(1.0);
geometries.Add(geometry);
// Point
geometry = (MgGeometry)CreatePoint();
geometries.Add(geometry);
// Polygon
geometry = CreatePolygon(0.0);
geometries.Add(geometry);
// Make MultiGeometry from the many geometries collected above.
return factory.CreateMultiGeometry(geometries);
}
public MgArcSegment CreateArcSegment(double offset)
{
MgCoordinate startPos = factory.CreateCoordinateXY(offset + 0.0, offset + 0.0);
MgCoordinate midPos = factory.CreateCoordinateXY(offset + 0.0, offset + 1.0);
MgCoordinate endPos = factory.CreateCoordinateXY(offset + 1.0, offset + 2.0);
return factory.CreateArcSegment(startPos, endPos, midPos);
}
}
}