On 15.08.2011, at 22:46, Igor Podolskiy wrote: > And PIL.Image.getcolors(1) might be fast - but it is still an iteration over > all pixels of the image for a single-color image (I just looked it up in the > PIL sources). You might just as well do it in Python without introducing a > dependency on PIL just for that, see the first function from the last mail. > If you want to do more image processing, then it's a different story. Then > you can convert the mapnik.Image into a PIL.Image and have all the PIL > goodness :)
No, it stops as soon as it sees the second color (for getcolors(1)) and Mapniks tostring() and PILs fromstring() are just a memory copy. So this will also be fast. Of course, you need PIL as a dependency. Regards, Oliver -- Oliver Tonnhofer | Omniscale GmbH & Co KG | http://omniscale.de http://mapproxy.org | https://bitbucket.org/olt | @oltonn _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
