Simple fix to make sure that scaling works correctly in CircleStimulus.
It might be worthwhile to make the retrieval of the mm_px value happen in a common place (like the parent's paint or a method of its own), since other classes might want this value anyway.
Simple fix to make sure that scaling works correctly in
CircleStimulus. It might be worthwhile to make the retrieval of themm_pxvalue happen in a common place (like the parent'spaintor a method of its own), since other classes might want this value anyway.