protected override Feature ResizeFeatureCore(Feature sourceFeature, PointShape sourceControlPoint, PointShape targetControlPoint)
{
// Override the base method and modify the logic for resizing if the shape is the "custom"
if (sourceFeature.ColumnValues.ContainsKey("Edit") && sourceFeature.ColumnValues["Edit"] == "rectangle")
{
PolygonShape polygonShape = sourceFeature.GetShape() as PolygonShape;
if (polygonShape != null)
{
// If the rectangle is horizontal or vertical, it will use the custom method.
if (string.Equals(polygonShape.GetBoundingBox().GetWellKnownText(), polygonShape.GetWellKnownText()))
{
int fixedPointIndex = GetFixedPointIndex(polygonShape, sourceControlPoint);
PointShape fixedPointShape = new PointShape(polygonShape.OuterRing.Vertices[fixedPointIndex]);
RectangleShape newRectangleShape = new LineShape(new Vertex[] { new Vertex(fixedPointShape), new Vertex(targetControlPoint) }).GetBoundingBox();
return(new Feature(newRectangleShape.GetWellKnownBinary(), sourceFeature.Id, sourceFeature.ColumnValues));
}
}
}
return(base.ResizeFeatureCore(sourceFeature, sourceControlPoint, targetControlPoint));
}
protected override Feature ResizeFeatureCore(Feature sourceFeature, PointShape sourceControlPoint, PointShape targetControlPoint)
{
// Override the base method and modify the logic for resizing if the shape is the "custom"
var polygonShape = sourceFeature.GetShape() as PolygonShape;
if (polygonShape != null)
{
// If the rectangle is horizontal or vertical, it will use the custom method.
if (string.Equals(polygonShape.GetBoundingBox().GetWellKnownText(), polygonShape.GetWellKnownText()))
{
var fixedPointIndex = GetFixedPointIndex(polygonShape, sourceControlPoint);
var fixedPointShape = new PointShape(polygonShape.OuterRing.Vertices[fixedPointIndex]);
var newRectangleShape = new LineShape(new[] { new Vertex(fixedPointShape), new Vertex(targetControlPoint) }).GetBoundingBox();
return base.ResizeFeatureCore(new Feature(newRectangleShape.GetWellKnownBinary(), sourceFeature.Id, sourceFeature.ColumnValues),
targetControlPoint,
targetControlPoint);
}
}
return base.ResizeFeatureCore(sourceFeature, sourceControlPoint, targetControlPoint);
}
public static MultilineShape GetDifference(this LineShape masterLine, AreaBaseShape clippingArea)
{
MultilineShape resultMultiLineShape = new MultilineShape();
var masterGeoLine = SqlGeometry.STGeomFromWKB(new SqlBytes(masterLine.GetWellKnownBinary()), 0);
var clippingGeoArea = SqlGeometry.STGeomFromWKB(new SqlBytes(clippingArea.GetWellKnownBinary()), 0);
var resultWkb = masterGeoLine.STSymDifference(clippingGeoArea).MakeValid().STAsBinary().Value;
var resultFeature = new Feature(resultWkb);
var resultShape = resultFeature.GetShape();
if (resultShape is GeometryCollectionShape)
{
foreach (var line in ((GeometryCollectionShape)resultFeature.GetShape()).Shapes.OfType <LineShape>())
{
resultMultiLineShape.Lines.Add(line);
}
}
else if (resultShape is MultilineShape)
{
foreach (var item in ((MultilineShape)resultShape).Lines)
{
resultMultiLineShape.Lines.Add(item);
}
}
else if (resultShape is LineShape)
{
resultMultiLineShape.Lines.Add((LineShape)resultShape);
}
return(resultMultiLineShape);
}
