Geometry simplification

* simplifies geometries on SimpleGeomForm if threshold GEOM_MAX_VERTICES has been exceeded
    * geometry is iteratively simplified to find a proper tolerance value which satisfies the GEOM_MAX_VERTICES threshold

konova/utils/message_templates.py

@@ -7,6 +7,8 @@ Created on: 02.08.21
 """
 from django.utils.translation import gettext_lazy as _
 
+from konova.settings import GEOM_MAX_VERTICES
+
 NO_DETAILS = _("no further details")
 UNKNOWN = _("Unknown")
 UNGROUPED = _("Ungrouped")
@@ -79,8 +81,9 @@ DOCUMENT_EDITED = _("Document edited")
 EDITED_GENERAL_DATA = _("Edited general data")
 ADDED_DEADLINE = _("Added deadline")
 
-# Geometry conflicts
+# Geometry
 GEOMETRY_CONFLICT_WITH_TEMPLATE = _("Geometry conflict detected with {}")
+GEOMETRY_SIMPLIFIED = _("The geometry contained more than {} vertices. It had to be simplified to match the allowed limit of {} vertices.").format(GEOM_MAX_VERTICES, GEOM_MAX_VERTICES)
 
 # INTERVENTION
 INTERVENTION_HAS_REVOCATIONS_TEMPLATE = _("This intervention has {} revocations")