irstv/H2GIS — pull request #85 by gpetit (2014-01-17 14:34:58+00:00)
Title: Add illustrations for somes functions

Update images for ST_XMax, ST_XMin, ST_YMax and ST_YMin
Add images for ST_Scale, ST_IsValid and ST_IsRectangle
Change one coordinates in the ST_Isvalid example