There is a section in the docs for rendering to a buffered image (incase
you don't want the whole image):
http://docs.geotools.org/latest/userguide/library/render/gtrenderer.html#image
On Fri Dec 05 2014 at 4:57:57 AM Mark Prins <mc.pr...@gmail.com> wrote:
> 2014-12-04 22:24 GMT+01:00 Gabriella Turek <gabriella.tu...@niwa.co.nz>:
>
>> Thanx for the tip Andrea. That didn't work but this did, debugging I
>> saw that what being returned was a RenderedOp
>>
>>
>> RenderedOp ri = (RenderedOp)gc.getRenderedImage();
>> sourceBufferedImage = ri.getAsBufferedImage();
>>
>>
>> Now I figured that I could do the same for getting the BufferedImage
>> for a tif image, but no, it does not. Even though the
>>
>> the instance returned is also a RenderedOp, I run into trouble when
>> trying to render the image:
>>
>>
>> Exception in thread "AWT-EventQueue-0"
>> java.lang.ArrayIndexOutOfBoundsException: -2147385344
>>
> this number is pretty close to the maximum size of an array... guessing
> (not having looked at any code) this imagedata is being stored in an array
> (with an int index, eg. byte[]) which is just too large; maximum int size
> is somewhere near 2^31
>
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