I have been involved in a project requiring a significant amount of GIS editing. As part of this process I have evaluated the most reliable and efficient tools for polygon editing. My basic requirements were: snapping to vertices during add/split Easy to move around/zoom in/out/pan while editing reliable Fortunately, I was able to assess the process across most GIS packages, and this how they fared: MapInfo - Editing is quite laborious, involving several steps for .....

"Cannot map metafile into memory. Not Enough Memory" - does that look familiar? There is certainly a lot of literature about on the net. So what does it mean?. Well according to the ESRI: "When ArcMap prints or exports to any format, an EMF file is created. Windows attempts to allocate enough memory to read the entire EMF metafile. If it cannot allocate a large enough contiguous block of memory, Windows returns a NULL or '0' EMF handle, and ArcMap displays the error message." .....