Current mp implementation does not remove polygon tags from unclosed
ways. I have observed that the unclosed polygons sometimes are closed in
a later step of mkgmap. This causes flooding of areas around seas.
Finnland is a great test area for this.
Attached patch removes all polygon tags from ways that are used in
multipolygons.
WanMil
Index: src/uk/me/parabola/mkgmap/reader/osm/MultiPolygonRelation.java
===================================================================
--- src/uk/me/parabola/mkgmap/reader/osm/MultiPolygonRelation.java
(revision 1533)
+++ src/uk/me/parabola/mkgmap/reader/osm/MultiPolygonRelation.java
(working copy)
@@ -603,11 +603,14 @@
// so we remove all tags
currentRing.ring.removeAllTagsDeep();
} else {
- // the ring has been composed by
several ways
- // they may contain line tags
- // however all polygon tags are not
processed
- // because they are only lines and not
polygons
- // so we don't have to remove any tag
+ // remove all polygons tags from the
original ways
+ // sometimes the ways seem to be
autoclosed later on
+ // in mkgmap
+ for (Way w :
currentRing.ring.getOriginalWays()) {
+ for (String polygonTag :
polygonTags) {
+ w.deleteTag(polygonTag);
+ }
+ }
}
boolean useRelationTags = currentRing.outer
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