When i use a tool «picture frame» - its impedes the work of the program. If visibility of layer (which is located the image) turn on everything work slow. If visibility of layer turn off everything work normal.
Software information
Software versions
Rhinoceros version: 5.2.1 (5C254)
IronPython version: 5.1.2015.131
Language: ru (MacOS default)
OS X version: Version 10.10.5 (Build 14F1909)