To all,
The first involves Raster.setDstOffset(). Even though my program seems to be
OK, I get the following Exception at certain well defined moments in my
programs execution.
java.lang.NullPointerException
at
javax.media.j3d.RasterRetained.computeWinCoord(RasterRetained.java:607)
at
javax.media.j3d.RasterRetained.getOffsetPos(RasterRetained.java:533)
at javax.media.j3d.RasterRetained.execute(RasterRetained.java:419)
at
javax.media.j3d.DefaultRenderMethod.render(DefaultRenderMethod.java:63)
at javax.media.j3d.RenderMolecule.render(RenderMolecule.java:1847)
at javax.media.j3d.TextureBin.renderList(TextureBin.java:1315)
at javax.media.j3d.TextureBin.renderList(TextureBin.java:1287)
at javax.media.j3d.TextureBin.render(TextureBin.java:1277)
at
javax.media.j3d.TransparentRenderingInfo.render(TransparentRenderingInfo.jav
a:90)
at javax.media.j3d.RenderBin.renderTransparent(RenderBin.java:5036)
at javax.media.j3d.Renderer.doWork(Renderer.java:1255)
at javax.media.j3d.J3dThread.run(J3dThread.java:250)
The second involves GeometryArrays using ColorRefFloat. According to docs, I
should set the alpha to a value between 0 and 1 (am I right?). What I have
discovered is that I need to multiply my alpha values by a big factor
(somewhere around 1000000) in order for transpancy to function as expected.
Raffi
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