PCL doesn't load PLY color / Where to find a nice sample point cloud file?

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PCL doesn't load PLY color / Where to find a nice sample point cloud file?

hausfrau87
Hey guys!

Right now I'm having two problems: I'm reading PLY files with the built-in
PLY-Reader. Unfortunately, it doesn't seem to read the color information,
but reads only black color. I'm quite sure that my sample file (the "asian
dragon" from http://graphics.stanford.edu/data/3Dscanrep/) has got color
information. Is there something I could be doing wrong?

PCD files however, are read with color information. The problem here is that
I can't find a nice sample file with color; does somehow has a sample file
of a nice object with color information? (something like a statue or
something similar would be perfect). This would be really cool! :)

Thanks, hausfrau87



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Re: PCL doesn't load PLY color / Where to find a nice sample point cloud file?

Sérgio Agostinho
Looking quickly at the header I don't see any color information standing
out. Just vertex and face information.

ply
format binary_big_endian 1.0
element vertex 3609600
property float x
property float y
property float z
element face 7219045
property list uchar int vertex_indices
end_header

Did you try loading this to mesh lab? Does it show color?

Cheers

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Re: PCL doesn't load PLY color / Where to find a nice sample point cloud file?

hausfrau87
Hey sergio,

thanks for your help. Apparently you're right and there seems to be no color
information available (although the page says "RGB" - strange).

Still I'd love to have a nice point cloud sample file with color. Are there
no good samples out there?

Thank you very much for your help,
hausfrau87



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Re: PCL doesn't load PLY color / Where to find a nice sample point cloud file?

Sérgio Agostinho
Have you checked the ones which come with PCL's repo? There's a number of them we use for testing and some of them are colored.

Cheers

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Re: PCL doesn't load PLY color / Where to find a nice sample point cloud file?

hausfrau87
Hey,

just checked them and apparently they're also more like small test assets..
I'm rather looking for something like Potrees examples
(http://www.potree.org/).. some nice demos to show the power of PCL :)

Cheers,
Hausfrau87



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