[ros-users] How to save basic shapes in PCD files

Juan Bueno Losada juanl3l at gmail.com
Thu Jan 13 17:21:37 UTC 2011


Hi,
I've tried the first option but I haven't been able to get virtual_scanner
package working. About the second option, I don't know well how I can fill
the data of shapes because it could be easy for a cube but not for a sphere.
Could you give me another hint?, please.

On Thu, Jan 13, 2011 at 2:33 AM, Radu Bogdan Rusu <rusu at willowgarage.com>wrote:

> 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
>>
>>
>>
>> _______________________________________________
>> ros-users mailing list
>> ros-users at code.ros.org
>> https://code.ros.org/mailman/listinfo/ros-users
>>
>


-- 
Juan Bueno Losada
Universidad de Salamanca
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