Hi, I tried to align the polygon files along a Garmin raster with units divisable by 2048. Howver, the splitter still does another sort of rounding and draws a different polygon, sometimes it is only one garmin unit difference, but this causes that the polygons doesn't touch each other, and also are not a multiple of 2048 which I think can cause those gaps and artefacts along the borders. Am I correct? I can manually edit the areas.lists file to make the tiles one garmin unit bigger to see if this will improve the map, but I think the splitter could be improved here? In the archives I found this rule: #The numbers used in areas.list are in Garmin units. To get from #latitude and longitude in degrees to Garmin units multiply by 46603 #which, incidentally, is (2^24)/360. #To avoid overlap you have to make sure that the Garmin units are exactly #divisable by 2048. Gerd wrote:
If you use a simple polygon with spitter (e.g. a rectangle), it will fit the tiles into the polygon. If I got that right you use multiple splitter passes, each with a single polygon area. Later you try to combines the tiles to one map. You should instead run splitter with a polygon that contains the complete area. If that doesn't help, please post the polygon files and the splitter parms that you use.
Gerd
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