27 - Maya 2015 - High Poly to Low Poly Projection
We can transfer our high poly detail over to our low poly game object using Transfer Maps within Maya’s lighting and shading render menu. A projection will need to have the low poly object selected as the target mesh. The target mesh is the object that will be receiving all the detail from the source object. The source object will be our high poly object. We will need to assign both the target and source objects and then set up the envelope so that everything we want to capture is inside of it.
We can capture more than just the bump detail of our high polygon object. A projection can be used to capture several different aspects of our high poly object such as the color texture information and even create occlusion mapping. The great thing about the ability to capture the color information is that the high poly texture information will be moved to the proper location on the UV map of the game object. This allows us to have more freedom when developing our texture on the high poly object.
Running a projection can be a time consuming process. For this reason it is recommended to always use the Bake and Close option after setting up the projection. This way you can walk away from your computer while the projection is being run and at a glance of your monitor you can tell if it is complete. When the projection is finished the Transfer Maps window will no longer be open. Once the window is closed you will quickly know that you can come back and get back to work on your model.
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