Weird raster render result

[cojarbi]

Using standard procedure im getting the following result in the raster render and calibration. This is under the latest commit. Not connected to any board

[nathanielstenzel]

This is my fault for not testing my code and referencing a variable that is not even initialized. I made an adjustment. Please test.

[nathanielstenzel]

I confirmed earlier that it is fixed. I still do not have the results for my patch though.