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Virtual projectors are digital representations of real projectors. They act as a camera in the Visualizer which means the content is already warped to the objects they see. If you went through the previous chapter you should already have a cube with a texture applied to it in the Visualizer.

cube with a texture

Now, what you can do is right-click in the Visualizer and click on Add projector.

adding projector

A projector will appear in the Visualizer. Move and rotate it so that it is facing the cube and that the cube is within its frustum. You can do that in the projector’s properties on the right side.

projector and the cube

Select it and open the Source tab of the projector and in the Available list box, there should be the cube you inserted a few moments earlier.

adding cube to projector source

Double click on the the cube in the list box (or click on the > button below) and it will appear in the Included list box on the right. The objects in the Included list box are the objects the projector is going to grab the content from if they are inside its frustum.

Now, if you select the projector you should see the cube in the preview image on the left.

Please note: if you don’t see the cube in the preview image, you might need to adjust the Range of the projector in Common tab of its properties.

This is it for now. In the next chapter, we’ll talk about calibrating the projector using 3DCal manual method. If you are interested in using CamCal automatic camera-based method, click here.