Dpolygon - ObjectVision/GeoDMS GitHub Wiki
Conversion functions dpolygon
- dpolygon(a)
dpolygon(a) converts the coordinates of a point item a with a sequence of points (arc or polygon) to the dpoint (float64 coordinates) value type.
- data item with Point value type and composition type arc or polygon
attribute<dpoint> dpolygonA (SDomain, polygon) := dpolygon(A);
A(dpolygon) | dpolygonA |
---|---|
{2:{0,0},{1,1}} | {2:{0,0},{1,1}} |
{3: {1E+007,1E+007},{-2.5,-2.5},{99.9,99.9}} | {3: {1E+007,1E+007},{-2.5,-2.5},{99.9,99.9}} |