qgis/QGIS — pull request #1099 by ahuarte47 (2014-01-22 11:58:38+00:00)
Title: Feature #8725R: fix collapsed poygons by ST_simplify of postgis

This patch fixes the bug of ST_simplify function for postgis that collapse geometries (polygons) using big tolerances of simplification.

Changes:
+ fixes the bug of ST_simplify function for postgis <= 2.1.0
+ define better the tolerance of simplification on provider side, now the rendering is faster!