Now I understand when I try to import from gml to PostGIS - everything
is OK.
But what I wanted to achieve is import from gml to FileGDB.
I have warning: "Cannot map OGR field type (StringList)"
So with GDB target format it is not possible ?
Piotr
W dniu 2014-07-03 21:02, Even Rouault pisze:
Le jeudi 03 juillet 2014 15:35:57, Piotr Pachół a écrit :
Hello,
I have problem using ogr2ogr during import gml file which can have one
or more then one value for an attribute e.g.:
<gml:featureMember>
<id>101</id>
<fun>A</fun>
<fun>B</fun>
.
.
</gml:featureMember>
<gml:featureMember>
<id>102</id>
<fun>C</fun>
.
.
</gml:featureMember>
In above situation ogr2ogr didn't import at all attribute "fun".
If you use a recent enough version of GDAL, it should work (generally) :
let's say I have poly.gml :
<?xml version="1.0" encoding="utf-8" ?>
<ogr:FeatureCollection
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://ogr.maptools.org/ poly.xsd"
xmlns:ogr="http://ogr.maptools.org/";
xmlns:gml="http://www.opengis.net/gml";>
<ogr:featureMember>
<ogr:poly gml:id="poly.0">
<ogr:foo>bar</ogr:foo>
<ogr:foo>baz</ogr:foo>
</ogr:poly>
</ogr:featureMember>
</ogr:FeatureCollection>
$ ogrinfo poly.gml -al
Had to open data source read-only.
INFO: Open of `poly.gml'
using driver `GML' successful.
Layer name: poly
Geometry: None
Feature Count: 1
Layer SRS WKT:
(unknown)
gml_id: String (0.0)
foo: StringList (0.0)
OGRFeature(poly):0
gml_id (String) = poly.0
foo (StringList) = (2:bar,baz)
It creates a field of StringList type.
May be in this situation it would be better when user can choose one of
variant:
- import first encountered value of attribute "fun" from each record
e.g.: "A",
- import all values separated with comma e.g.: "A, B"
- ideal solution but difficult: create auxiliary table which keeps all
relations one to many e.g.:
101 A
101 B
102 C
Regards,
Piotr
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