Mercurial > dive4elements > river
view flys-backend/contrib/shpimporter/uesg.py @ 5509:627584bc0586
Datacage: Added <dc:filter> element. This allows cleaner way to narrow the datasets.
Example:
<dc:context>
<dc:statement>
SELECT DISTINCT
name AS hws_name,
official AS hws_official,
kind_id AS hws_kind
FROM hws_lines
WHERE river_id = ${river_id}
</dc:statement>
<dc:if test="dc:has-result()">
<lines>
<dc:macro name="hws-lines">
<dc:elements>
<hws factory="hwsfactory" name="{$hws_name}"/>
</dc:elements>
</dc:macro>
<dc:filter expr="$hws_official=1">
<dc:if test="dc:has-result()">
<official>
<dc:filter expr="$hws_kind=1">
<dc:if test="dc:has-result()">
<Durchlass><dc:call-macro name="hws-lines"></Durchlass>
</dc:if>
</dc:filter>
<dc:filter expr="$hws_kind=2">
<dc:if test="dc:has-result()">
<Damm><dc:call-macro name="hws-lines"></Damm>
</dc:if>
</dc:filter>
<dc:filter expr="$hws_kind=3">
<dc:if test="dc:has-result()">
<Graben><dc:call-macro name="hws-lines"></Graben>
</dc:if>
</dc:filter>
</official>
</dc:if>
</dc:filter>
</lines>
</dc:if>
</dc:context>
author | Sascha L. Teichmann <teichmann@intevation.de> |
---|---|
date | Thu, 28 Mar 2013 16:51:15 +0100 |
parents | 3f35d9db48c1 |
children |
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try: from osgeo import ogr except ImportError: import ogr from importer import Importer import os.path import utils TABLE_NAME="floodmaps" PATH="Hydrologie/UeSG" NAME="UESG" class UESG(Importer): def getPath(self, base): return "%s/%s" % (base, PATH) def getTablename(self): return TABLE_NAME def getName(self): return NAME def isGeometryValid(self, geomType): return geomType in [ogr.wkbMultiPolygon, ogr.wkbPolygon] def getKind(self, path): kind = 0 if path.find("Berechnung") > 0: kind = kind + 100 if path.find("Aktuell") > 0: kind = kind + 10 else: kind = kind + 20 if path.find("Bundesl") > 0: kind = kind + 2 else: kind = kind + 1 else: kind = kind + 200 return kind def createNewFeature(self, featureDef, feat, **args): kind = self.getKind(args['path']) newFeat = ogr.Feature(featureDef) newFeat.SetGeometry(feat.GetGeometryRef()) if self.IsFieldSet(feat, "river_id"): riverId = feat.GetField(feat) else: riverId = self.river_id if self.IsFieldSet(feat, "diff"): diff = feat.GetFieldAsDouble("diff") else: diff = 0 if self.IsFieldSet(feat, "count"): count = feat.GetFieldAsInteger("count") else: count = 0 if self.IsFieldSet(feat, "area"): area = feat.GetFieldAsDouble("area") else: area = 0 if self.IsFieldSet(feat, "perimeter"): perimeter = feat.GetFieldAsDouble("perimeter") else: perimeter = 0 if kind >= 200: newFeat.SetField("source", os.path.basename(os.path.dirname(args['path']))) groupId = 2 newFeat.SetField("river_id", riverId) newFeat.SetField("diff", diff) newFeat.SetField("count", count) newFeat.SetField("area", area) newFeat.SetField("perimeter", perimeter) newFeat.SetField("kind", kind) newFeat.SetField("name", args['name']) return utils.convertToMultiPolygon(newFeat)