Re: [Geotools-gt2-users] Get world coordinates of a grid coverage

[ChristianG <Sys...@we...>]

Here is the next problem - creating a ROI:

It is possible to create an AWT-polygon by

Polygon polygon = new Polygon( int[] xpoints, int[] ypoints, int npoints );

and subsequently use it for ROI creation:

ROIShape roi = new ROIShape( polygon );

The problem now is, the polygon needs integer-coordinates, but I've got
geographic double values. Is it possible to use this MathTransform stuff,
suggested by Martin before, to get image-coordinates? And, if yes, am I
losing much accuracy due to this transformation?


Christian
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