External Email - Use Caution Dear FreeSurfer Developers,
Hi. I want to manually draw a rectangular ROI on flat map. I tried "PolyLine voxel draw" of ROI edit tool (https://secure-web.cisco.com/1uYpRPHzaQ-b275n3Qt2rqUmDAbInkPLAno41z_mXOvA9D8qAugBQR0S6zkInLYQn1Xl3TOY0oJFkbI6RPoALUmxV8oGNWxHym5WLqi_7QJGx6lX_2lR2STOnJi8s5vxdZ04_fp6b35pehxBr4-l3lWS9mctgTSjBy8AoiErcgueL8xMXgwARppZnFQsp5XATWNDB0WoToTsJF83bHPyUNGu6Y5lPXBkaByhwQCqmvt868YGR7krXkrVJxtOzaK6CXTOosaqrURervPHT_5_uQcCLb2pTXaSosaJebFrwRElEgl4lxY-KXxNejDq39JdB4yHXidLiBk2g2KtN7BJOhw/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FFreeviewGuide%2FFreeviewTools%2FRoiEdit). On the other hand, unfortunately, it seems that it only works in 3d volume space. So, I tried "Path/Custom FIll" -> pointing 4 vertices of a rectangle -> "Make Closed Path". But this time, the vertices were not connected straight. The lines were zigzag. Could you tell me how to draw a rectangular ROI with straight lines. Furthermore, if possible, could you explain how zigzag lines form? Thank you in advance. Kind Regards, Andy (Junghyun) Kim
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