[vtkusers] Render RGB-D image in VTK

[Alykhan Tejani]

On 15/07/13 16:07, alykhantejani wrote:
> On 15/07/13 16:06, David Doria-2-3 [via VTK] wrote:
>> On Mon, Jul 15, 2013 at 10:14 AM, alykhantejani
>> <[hidden email] </user/SendEmail.jtp?type=node&node=5721968&i=0>> wrote:
>> > I have a mesh model (.ply file) and I have rendered it with VTK and 
>> changed
>> > the camera viewpoint.
>> >
>> > From the new camera viewpoint how can I render an RGB and a depth 
>> image? I
>> > think this might be raytracing, but not sure
>>
>>
>> Is this what you're looking for?
>>
>> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Utilities/ZBuffer
>>
>> David
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> Hi,
>
> Thanks. yes this look like what I'm looking for, however the code 
> shown gives me a black image, how can I render the depth image as shown
>
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This code in the example only gives me values between 0 and -255, 
meaning the z buffer is from [0,1] how can i convert this to actual depth?
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