irstv/orbisgis — pull request #551 by ebocher (2013-10-14 19:04:31+00:00)
Title: Declare the st_precisionreducer function

st_precisionreducer permits to change the precision model used by the geometry.

This function can be used to avoid triangulation constraint problems.

Try

SELECT * FROM ST_TIN(SELECT ST_PrecisionReducer(the_geom, 5));