GEOS SDK TechDocs|
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2 Shapes | 
2.2 Lines GrDrawPoint(), GrDrawPointAtCP()
A point is the smallest thing drawable; it will always appear as a single pixel. The point's position is defined by a standard coordinate pair. Points are drawn using line attributes. After drawing a point, the pen position will be at the point's coordinates.
GrDrawPoint()
draws a point at the passed coordinate pair.
GrDrawPointAtCP()
draws a point at the current pen position.
GEOS SDK TechDocs|
| 2 Shapes | 2.2 Lines