Hi! I was using gerbview to check my gebers that I generated with TopoR. And it crashed on some files. I narrowed it down a bit, it appears to be caused by AMROUNDRECTNOHOLE10 entries in the gerber file. At least, if I edit the pads so that there are only straight rectangles, it works fine.
The line with numbers says: primitive filled polygon (4), positive (1), 9 vertices, 9*(x-y pairs)., rotation angle (0)
The problem is, for 9 vertices, there should be 10 x-y pairs, with the final one equal to the first one. But, TopoR listed only 9 pairs.
The actual wrong part is that the polygon should have 8 vertices (it’s a “+” shape, I think). If I replace these "9"s with "8"s, the file opens correctly.