Re: [QGIS-Developer] Classification of values around zero
Hello, I added a new method of classification in the graduated methods (symbology). It is aimed at plotting data that are centered on zero, with a class around zero (like [-1,1] instead of [-1,0],[0,1] ), and with a colorbar that stay symmetric around zero (for this I remove the extra classes). It uses the prettyBreaks method. If data are all positive or negative, an alert box appear. https://github.com/qgis/QGIS/pull/5161 Hoping that you can include it in 3.0 Thank you Pierre (Tours, France) Pierre_Loicq wrote > Hi, > > At the office, I often need to create map of modeled biases (float > values), where it make sense to have a first class centered on zero > (symbology/graduated). I learned C++ some months ago and would like to add > this functionality as a first application, on the master branch. > > Pierre -- Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-f4099106.html ___ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
[QGIS-Developer] Classification of values around zero
Hi, At the office, I often need to create map of modeled biases (float values), where it make sense to have a first class centered on zero (symbology/graduated). I learned C++ some months ago and would like to add this functionality as a first application, on the master branch. The current classification methods are: Equal interval, quantile/equal count, jenks, Standard deviation, Pretty breaks. Although an option (ticking box) "around zero" may be applied for each of them (maybe not for Jenks), I think it's better to add a classification method in the list of methods. And it would probably run on equal intervals. Thank you Pierre -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Classification-of-values-around-zero-tp5327167.html Sent from the QGIS - Developer mailing list archive at Nabble.com. ___ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
