bugfix with scales

IV/Makefile

@@ -24,7 +24,8 @@ FIGURES = \
 
 RIVERS = \
 		 salvis-gdr10 \
-		 salvis-gdr50
+		 salvis-gdr50 \
+		 salvis-gdr250
 
 # paper sizes in mm
 A4p = 210x297
@@ -141,6 +142,10 @@ salvis-gdr10_WMCLIP = salcia-visincia:GDR10
 salvis-gdr50_1SELECT = wm_rivers where name='Šalčia' OR name='Visinčia'
 salvis-gdr50_WMCLIP = salcia-visincia:GDR50
 
+salvis-gdr250_1SELECT = wm_rivers where name='Šalčia' OR name='Visinčia'
+salvis-gdr250_WMCLIP = salcia-visincia:GDR250
+
+
 
 .faux_test-rivers: tests-rivers.sql wm.sql .faux_db
 	./db -f $<

IV/layer2img.py

@@ -75,7 +75,6 @@ def read_layer(select, width_in, maybe_wmclip):
         )
     conn = psycopg2.connect(PSQL_CREDS)
     sql = "SELECT {way} as way1 FROM {select}".format(way=way, select=select)
-    print("sql: %s" % sql)
     return geopandas.read_postgis(sql, con=conn, geom_col='way1')
 
 
@@ -103,7 +102,7 @@ def main():
 
     rc('text', usetex=True)
     fig, ax = plt.subplots()
-    #fig.set_figwidth(width)
+    fig.set_figwidth(width)
 
     group1 is not None and group1.plot(ax=ax, **c1)
     group2 is not None and group2.plot(ax=ax, **c2)

IV/tests-rivers.sql

@@ -28,7 +28,7 @@ declare
   halfX float;
   halfY float;
 begin
-  halfX = projection_scale * projection_width_cm / 2;
+  halfX = projection_scale * projection_width_cm / 2 / 100;
   halfY = halfX * sqrt(2);
   select way from wm_visuals where name=center into gcenter;
   if gcenter is null then