Yes . Evert GIS software i know work this. Surely mapserver do. Please nptice if you use PostGIS or spatialitecan do it automatically.
Order by st_area(geometry) desc Il 08/giu/2014 10:59 "Dave Potts" <[email protected]> ha scritto: > On 08/06/14 09:53, Andrea Peri wrote: > Hi Andrea > > Is the drawing controled by the ordering of the polygons in the shapefile ? > > So the 1st entry will be draw first, second entry entry next etc > > Dave. > > Another solution is get an useful utility from mapserver site. It > reorganize the shape putting the smallest after the largest. > > Regards. > Il 08/giu/2014 10:51 "Andrea Peri" <[email protected]> ha scritto: > >> You could do a light transparency to show the others under. >> Il 08/giu/2014 10:42 "Dave Potts" <[email protected]> ha scritto: >> >>> Hi list >>> >>> I have a shape file with several overlapping ploygons, is there any way >>> of telling qgis which order to draw the polygons in? >>> >>> Naturally I would a like the smallest polygon to be drawn on top of the >>> larger polygons so thats its possible to all of the polygons at one time. >>> >>> The data has a layer id which has a different value for each of the >>> polygons, could I use this to force the ordering of the drawing? >>> >>> >>> regards >>> >>> Dave. >>> >>> >>> _______________________________________________ >>> Qgis-user mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/qgis-user >>> >> >
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