Can i simulate using Kinect without having Kinect on jade ?

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Hello,

I am fairly new to ROS and I use ROS Jade. I recently created a 4 wheel platform/robot (URDF model) and I wanted to put on it a Kinect Sensor so I can simulate the sensor in a custom environment via gazebo, before actually buying one. Is there a way to do that (it would be really helpful if you had some tutorial links) ? Or generally is there a way to simulate sensors in general without actually owning one ? I have checked openni, but I think this package helps you if you actually have the sensor.

Thanks for answering in advance and also thank you for your time.