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The topic you are looking for is the depth/image_rect topic published by openni_camera (if you're using the kinect), which you start via openni_launch. This will be a rectified 2D image, with the intensity of the pixel representing the depth at that point.
As for displaying the image, try taking a look at the image_view node.
| | 2 | No.2 Revision |
The topic you are looking for is the depth/image_rect topic published by openni_camera (if you're using kinect), openni stack, which you start via openni_launch. (if you're using the kinect). This will be a rectified 2D image, with the intensity of the pixel representing the depth at that point.
As for displaying the image, try taking a look at the image_view node.
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