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Composed volumes
Quite a regular
Quite a regular

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I'm implementing a new volumetric data node as an add in to VHTK, based loosely on ComposedScalarVolumes. The nodes will take in a some scalar volumes stored in
InstMFScalarImageNode _scalarVolume

After parametrisation, the data in those images will be stored in a data array of type RGB, which will be used to update "value" using a PixelImage constructor (as in ComposedScalarVolumes).

However, I have the following issues with this approach:

1. how should a node of type MFScalarImageNode be declared in x3d, from ScalarVolume? I saw examples using MultiTexture and examples using ScalarVolume that load 1 volume from a url. But I failed to see how to combine the two. Would some one please include a examplary .x3d code which does that?

2. the constructor of an image of class PixelImage is as following:

PixelImage  (unsigned int _width
unsigned int _height
unsigned int _depth
unsigned int _bits_per_pixel
PixelType  _pixel_type
PixelComponentType  _pixel_component_type
unsigned char *data
bool copy_data=false
Vec3f &_pixel_size=Vec3f(000))

However, my data will be of type RGB or Vec3f. How should I create an Image *value from my "data" ? My code at the moment would not compile due to this one issue.

Would you please help me through these issues?

Posted on: 2010/7/6 3:50
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