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Hi Bill, all,This suggestion works great, thank you! I have run into another problem in that I have a set of these wedges (several Irregular2DSets) and I group them as a UnionSet.
/** UnionSet of Irregular2DSets */
UnionSet apFF = (UnionSet)MakeAP();
DataReferenceImpl apRef = new DataReferenceImpl("apRef");
apRef.setData(apFF);
ConstantMap[] pointMap0 = { new ConstantMap (1.0f, Display.Red),
new ConstantMap (0.0f, Display.Green),
new ConstantMap (0.0f, Display.Blue),
new ConstantMap (0.5f, Display.Alpha),
new ConstantMap(-0.9f, Display.ZAxis) };
ppiDisplay.addReference(apRef, pointMap0);
However, when I try to add the data reference containing the UnionSet
with a ConstantMap (to describe the Alpha) I get an error regarding the
color_value dimensions of the make2DGeometry method called by UnionSet.
> visad.SetException: UnionSet.make2DGeometry: color_values dimension should be 3, not 4
Is there a way to pair a UnionSet with a ConstantMap? Thank you!! -kevin. Bill Hibbard wrote:
Hi Kevin, There may be some problems with alpha in a 2-D display, since ZAxis is a bit artificial in 2-D. The Australian BOM does its 2-D actually in 3-D, but with PARALLEL_PROJECTION and setting the MouseHelper to disallow 3-D rotations. That way they can explicitly control the ZAxis depths off its layers. Perhaps Don is doing something like this? Or perhaps he will tell you how he gets his displays to work the way you want yours to.
-- +------------------------------------------------------------+ Kevin L. Manross [KD5MYD] <>< (405)-366-0557 CIMMS Research Associate kevin.manross@xxxxxxxx [NSSL-WRDD/SWATN] http://www.cimms.ou.edu/~kmanross "My opinions are my own and not representative of CIMMS, NSSL, NOAA or any affiliates" +------------------------------------------------------------+
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