« ArcMap »

Wednesday, December 05th, 2012 | Author:

ArcMap has the bad habit of forgetting to unlock files that you remove from a project. I have lost hours, as the only solution to remove unwanted locks seemed to be shutting down ArcMap, modifying the file, then restarting ArcMap (that takes at least a minute to load each time). Nothing seemed to help until […]

Tuesday, April 24th, 2012 | Author:

Bivariate thematic mapping with ArcMap? Yes you can! Of course you could do it also in Quantum GIS, as I show in another post (in French). In Arc Map, like in qGIS, colored proportional circles cannot be drawn directly on polygons, but you can draw them on points. Thus, all you have to do first […]

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Sunday, April 01st, 2012 | Author:

When you export maps from ESRI ArcMap to Adobe Illustrator, the raster background is by default exported as a series of associated bitmap strips, with superposed vector polygons.Here an example: In this – as in many other situations – you might need to crop the image to a specific area. Say the following rectangle: To […]