organicmaps/kothic
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do simplifications only on lowzoom

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Darafei Praliaskouski 2012-07-25 12:51:15 +03:00
parent e41fbf2f6e
commit a4c5b30262
1 changed files with 7 additions and 4 deletions
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11
src/libkomapnik.py
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@ -305,8 +305,11 @@ def xml_layer(type="postgis", geom="point", interesting_tags = "*", sql = "true"
if type == "postgis":
if zoom >= 5:
sql = 'way && !bbox! and '+ sql
waystring = 'way'
if zoom < 10:
waystring = "ST_Simplify(way, %s) as way"%(pixel_size_at_zoom(zoom,0.6))
if zoom >= 5:
sql = 'way &amp;&amp; !bbox! and '+ sql
interesting_tags = list(interesting_tags)
if '"' not in "".join(interesting_tags) and "->" not in "".join(interesting_tags):
interesting_tags = "\", \"".join(interesting_tags)
@ -319,7 +322,7 @@ def xml_layer(type="postgis", geom="point", interesting_tags = "*", sql = "true"
%s
<Datasource>
<Parameter name="table">
(select %s, ST_Simplify(way, %s) as way
(select %s, %s
from %s%s
where %s
) as text
@ -335,7 +338,7 @@ def xml_layer(type="postgis", geom="point", interesting_tags = "*", sql = "true"
<Parameter name="estimate_extent">false</Parameter>
<Parameter name="extent">-20037508.342789244, -20037508.342780735, 20037508.342789244, 20037508.342780709</Parameter>
</Datasource>
</Layer>"""%(layer_id, db_proj, subs, interesting_tags, 0.6*pixel_size_at_zoom(zoom), table_prefix, geom, sql, intersection_SQL, db_user, db_name, db_srid, table_prefix, geom)
</Layer>"""%(layer_id, db_proj, subs, interesting_tags, waystring, table_prefix, geom, sql, intersection_SQL, db_user, db_name, db_srid, table_prefix, geom)
elif type == "postgis-process":
return """
<Layer name="l%s" status="on" srs="%s">