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

intervention/views/intervention.py

@@ -22,7 +22,7 @@ from konova.forms.modals import RemoveModalForm
 from konova.settings import DEFAULT_GROUP, ZB_GROUP, ETS_GROUP
 from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
 from konova.utils.message_templates import DATA_CHECKED_PREVIOUSLY_TEMPLATE, RECORDED_BLOCKS_EDIT, \
-    CHECKED_RECORDED_RESET, FORM_INVALID, IDENTIFIER_REPLACED, DO_NOT_FORGET_TO_SHARE
+    CHECKED_RECORDED_RESET, FORM_INVALID, IDENTIFIER_REPLACED, DO_NOT_FORGET_TO_SHARE, GEOMETRY_SIMPLIFIED
 from konova.utils.user_checks import in_group
 
 
@@ -88,6 +88,11 @@ def new_view(request: HttpRequest):
                     )
                 )
             messages.success(request, _("Intervention {} added").format(intervention.identifier))
+            if geom_form.geometry_simplified:
+                messages.info(
+                    request,
+                    GEOMETRY_SIMPLIFIED
+                )
             return redirect("intervention:detail", id=intervention.id)
         else:
             messages.error(request, FORM_INVALID, extra_tags="danger",)
@@ -231,6 +236,11 @@ def edit_view(request: HttpRequest, id: str):
             messages.success(request, _("Intervention {} edited").format(intervention.identifier))
             if i_check or i_rec:
                 messages.info(request, CHECKED_RECORDED_RESET)
+            if geom_form.geometry_simplified:
+                messages.info(
+                    request,
+                    GEOMETRY_SIMPLIFIED
+                )
             return redirect("intervention:detail", id=intervention.id)
         else:
             messages.error(request, FORM_INVALID, extra_tags="danger",)