Juan,

Sure, you can easily generate basic shapes and save them into PCD files. However the pcl_visualization methods create 3D 
shapes and not 3D point clouds that represent 3D shapes, meaning that a cube will have 8 points representing the 
corners, and not thousands of points on its facets, etc.

We do have some methods that either:
  * virtually scan a 3D shape (see the virtual_scanner package)
  * fill in the data evenly on a shape (by iterating over each polygon/triangle and placing points evenly spaced)

Cheers,
Radu.
--
http://pointclouds.org

On 01/12/2011 05:29 AM, Juan Bueno Losada wrote:
> Hello friends,
> I wonder if it is possible to genarate basic shapes and then save them in a PCD files. I've seen methods such as
> pcl_visualization::createSphere or pcl_visualization::createCylinder, but then I don't know what to do with the
> vtkSmartPointer<vtkDataSet> objetc that this methods return.
>
> Could anybody help me? Thank's.
>
>
>
> --
> Juan Bueno Losada
> Universidad de Salamanca
>
>
>
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