remove some debug statements

IV/test.sql

@@ -1,12 +1,7 @@
 \i wm.sql
 
---do $$
---begin
---  SET AUTOCOMMIT TO ON;
---end $$ language plpgsql;
-
 -- https://stackoverflow.com/questions/19982373/which-tools-libraries-do-you-use-to-unit-test-your-pl-pgsql
-CREATE OR REPLACE FUNCTION assert_equals(expected anyelement, actual anyelement) RETURNS void AS $$
+create or replace function assert_equals(expected anyelement, actual anyelement) returns void as $$
 begin
   if expected = actual or (expected is null and actual is null) then
     --do nothing
@@ -51,22 +46,16 @@ insert into wm_figures (name, way) values ('fig6-combi', ST_Union(
       ST_Translate((select way from wm_figures where name='fig6'), 80, 90)
   ));
 
--- TODO: there is a bug and it does not go through `self_crossing` function.
 insert into wm_figures (name, way) values ('selfcrossing-1-rev',ST_Reverse(
     ST_Translate((select way from wm_figures where name='selfcrossing-1'), 0, 60)));
 
-
 delete from wm_debug where name in (select distinct name from wm_figures);
 delete from wm_demo where name in (select distinct name from wm_figures);
 insert into wm_demo (name, way) select name, ST_SimplifyWM(way, .1, null, name) from wm_figures where name not in ('fig8', 'isolated-1');
 insert into wm_demo (name, way) select name, ST_SimplifyWM(way, 14, null, name) from wm_figures where name in ('fig8', 'isolated-1', 'isolated-2');
 
 drop function if exists wm_debug_get;
-create function wm_debug_get(
+create function wm_debug_get( _stage text, _name text, OUT ways geometry[]) as $$
-  _stage text,
-  _name text,
-  OUT ways geometry[]
-) as $$
 declare
 begin
   ways = array((select way from wm_debug where stage=_stage and name=_name order by id));
@@ -75,7 +64,6 @@ end $$ language plpgsql;
 do $$
   declare fig6b1 geometry;
   declare fig6b2 geometry;
-
   declare sclong geometry;
   declare scshort geometry;
 begin

IV/wm.sql

@@ -539,25 +539,17 @@ begin
           end if;
         end if;
 
-        if st_intersects(tmpbendattr.bend, tmpint) then
+        continue bendloop when st_intersects(tmpbendattr.bend, tmpint);
-          insert into wm_manual(name, way) values
-            ('intersecter', tmpbendattr.bend),
-            ('intersectee', tmpint);
-          raise notice '[%] % intersects with %', dbggen, i, i+n;
-          continue bendloop;
-        end if;
       end loop;
 
-      -- no intersections within intersect_patience. Mutate bend.
+      -- No intersections within intersect_patience, mutate bend!
       mutated = true;
       bendattrs[i] = tmpbendattr;
 
-      -- remove last vertex of the previous bend and
+      -- remove last vertex of the previous bend and first vertex of the next
-      -- first vertex of the next bend, because bends always
+      -- bend, because bends always share a line segment together this is
-      -- share a line segment together
+      -- duplicated in a few places, because PostGIS does not allow (?)
-      -- this is duplicated in a few places, because PostGIS
+      -- mutating an array when passed to a function.
-      -- does not allow (?) mutating an array when passed to a
-      -- function.
       tmpbendattr.bend = st_removepoint(
         bendattrs[i-1].bend,
         st_npoints(bendattrs[i-1].bend)-1
@@ -807,10 +799,11 @@ begin
         end loop;
         lines[i] = st_linemerge(st_union(bends));
         if st_geometrytype(lines[i]) != 'ST_LineString' then
-          insert into wm_manual(name, way)
+          -- For manual debugging:
-          select 'non-linestring-' || a.path[1], a.geom
+          --insert into wm_manual(name, way)
-          from st_dump(lines[i]) a
+          --select 'non-linestring-' || a.path[1], a.geom
-          order by a.path[1];
+          --from st_dump(lines[i]) a
+          --order by a.path[1];
           raise 'Got % (in %) instead of ST_LineString. '
           'Does the exaggerated bend intersect with the line? '
           'If so, try increasing intersect_patience.',