Elaboration. The hole in the first one is the result of an intersection, and not the second. I cut and pasted a hole I knew to work into the same svg file, replacing the one that does not to create the 2nd svg file. This way I was comparing apples to apples.
Rerun wrote: >Below are two SVG files, I'd attach them, but they usually get >rejected. They are similar in that they are created by postGIS from the >same data. The first is an intersection, and the other is not. The >hole in the first one is filled, and not in the 2nd one. I realize the >coordinates are not exactly the same in the circle, a bug in postGIS I >guess, but it seems that the hole in the first one should still exist. >Thanks. > > >SVG1 >"""""""""""""""""""""""""""""" ><?xml version="1.0" encoding="iso-8859-1"?> ><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" >"http://www.w3.org/TR/SVG/DTD/svg10.dtd";> ><svg id="map2" width="850px" height="675px" viewBox="-5800 -5000 11500 >10000"> > <g fill="blue" stroke="rgb(128,128,128)" stroke-width="1px" >opacity="1"> > <path d="M 2972 -3465 3090 -2614 3980 -1689 3980 2547 >-3590 2547 -3590 -3465 2972 -3465 M 2083 -447 2082 -396 2081 -346 2079 >-295 2076 -245 2073 -194 2068 -144 2063 -94 2057 -44 2050 6 2042 56 2034 >106 2025 155 2015 204 2004 254 1992 302 1980 351 1967 400 1953 448 1938 >496 1923 543 1907 591 1890 638 1872 684 1854 731 1835 777 1815 822 1794 >867 1773 912 1751 957 1728 1001 1704 1044 1680 1087 1655 1130 1630 1172 >1604 1214 1577 1255 1549 1295 1521 1335 1493 1375 1463 1414 1433 1452 >1403 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