Export point cloud in .xyz/ .asc file with colours

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mufdy
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Export point cloud in .xyz/ .asc file with colours

Post by mufdy »

Hey there,

I need help to export point clouds in a .xyz /.asc file with colours. And I don't no which programm can create it.
At the moment the point cloud is available in .wrl; .obj; .ply. If you know a software which can import these formats it would be greate! It's important that the .xyz/ .asc file have got the colours. I tried with MeshLab or Geomagic Studio 10 but the points are all black. If the software is free (or a limited trial version) it would be perfect.

I hope you can help me.
Best regards
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stevenramsey
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Re: Export point cloud in .xyz/ .asc file with colours

Post by stevenramsey »

Hi, You don't say what program you currently have the data in as the formats you have listed are mesh formats.

Can you post up an example of the file.
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mufdy
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Re: Export point cloud in .xyz/ .asc file with colours

Post by mufdy »

Hello,

the programs are MeshLab, Geomagic Studio 10 and Faro Scene.
I create the colour with MeshLab.
Unfortunately I can't upload an example.
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Re: Export point cloud in .xyz/ .asc file with colours

Post by danielgm »

Indeed those formats are for meshes. And some of them don't even handle RGB colors (so I guess the colors correspond either to materials or textures).

In this case you could try with CloudCompare (free). If the colors do correspond to textures/materials, then you can use the 'Edit > Mesh > Convert materials/texture to RGB' method.

The 'Edit > Mesh > Sample points' method might be also handy to convert a mesh to a dense point cloud (if there are not enough vertices).
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NOVAMECH
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Re: Export point cloud in .xyz/ .asc file with colours

Post by NOVAMECH »

Hi There

So you have a Polygonal MESH - with Colours. If you can find someone with PolyWorks. This package allows you to select the Vertices of the Mesh and Export these as a point cloud. One of the options is to export colours - as you can see.

If this is just a one off job - send me the file and I will quickly do this and get it back to you.

PolyWorks is great - so powerful, with many many options which makes it hard to learn everything it can do. But once you have, life's a breeze. mmmm Maybe ???
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mufdy
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Re: Export point cloud in .xyz/ .asc file with colours

Post by mufdy »

Hi,

sorry I told you the wrong formats.
The point cloud is only available with .wrl
The other formats (.ply .obj) were used for the Mesh because I have got the file with point clouds and Mesh :)
Thus I need the point cloud in .xyz / .asc file with colours.

@NOVAMECH thank you for the offer, but I guess if I solve my problem I will export more files into xyz/asc.

Sorry guys for the wrong information.
Best regards
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Re: Export point cloud in .xyz/ .asc file with colours

Post by mufdy »

Hey,

the problem is still existing. Do you have a solution for me?

Best regards
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