Re: [Jts-topo-suite-user] Geometry Union Fail with Polygon created from PackedCoordinateSequence

[Martin D. <mtn...@gm...>]

Fixed in trunk:  https://sourceforge.net/p/jts-topo-suite/code/1017/

On Fri, Jun 12, 2015 at 7:07 AM, Kay, Jim <Ka...@in...> wrote:

> I have an incorrect from the union of two Polygons.
> The first Polygon (g0) is created from a PackedCoordinateSequence.
> The second Polygon (g1) is created from a CoordinateArray.
>
> The two Polygons are nearly on top of each other.
> During the unioning process, 'OverlayOp.overlayOp' fails and so the code
> defaults to 'SnapOverlayOp.overlayOp'.
> In the subsequent code the removal of common bits using
> 'removeCommonBits(Geometry geom)' fails to successfully apply the
> translation to the geometry created from (g0) PackedCoordinateSequence.
> Subsequently the code unions the unshifted g0 geometry with the shifted g1
> geometry, incorrectly producing a MultiPolygon.
>
> Java test code attached (with plotting; please maximise Window)
>
> I have copied some of the relevant method calls below.
>
>