Re: [Geotools-gt2-users] Read Shape File: Invalid ordinate index: 3

[Ian T. <ijt...@gm...>]

Does your shapefile actually contain XYM points? Can you share the file or
at least the print out of the schema

Ian

On Thu, 14 Aug 2025 at 08:45, sunish <sun...@gm...> wrote:

> I am getting Invalid ordinate index: 3 Exception while reading a shape
> file.
> Geotools Version: 28.2
>
> I have this code for reading shape file features.  Please help.
>
> private void fileDataStoreTest() {
>
>         String filePath ="naksha_vadakara_build.shp";
>         File file = new File(filePath);
>
>
>         try {
>             FileDataStore fileDataStore = FileDataStoreFinder.getDataStore(file);
>
>
>             Hints hints = new Hints(Hints.JTS_COORDINATE_SEQUENCE_FACTORY,
>                     PackedCoordinateSequenceFactory.DOUBLE_FACTORY);
>
>             System.out.println(fileDataStore.getSchema().getTypeName());
>             System.out.println(fileDataStore.getSchema().getAttributeDescriptors());
>             System.out.println(fileDataStore.getSchema().getCoordinateReferenceSystem());
>             List<AttributeDescriptor> descriptors = fileDataStore.getSchema().getAttributeDescriptors();
>             for(AttributeDescriptor disc :descriptors ){
>                 System.out.println(disc.getLocalName()+" "+disc.getType().getBinding().getSimpleName());
>             }
>             System.out.println(fileDataStore.getFeatureSource().getBounds());
>             System.out.println(CRS.lookupEpsgCode(fileDataStore.getSchema().getCoordinateReferenceSystem(),true));
>
>             SimpleFeatureSource src = fileDataStore.getFeatureSource();
>             SimpleFeatureCollection col = src.getFeatures();
>             SimpleFeatureIterator itr = col.features();
> //            while (itr.hasNext()) {
>
>                 SimpleFeature f = itr.next();
>                 System.out.println(f.getDefaultGeometry().toString());
>
> //            }
>             itr.close();
>             fileDataStore.dispose();
>
>         } catch (IOException e) {
>             throw new RuntimeException(e);
>         } catch (FactoryException e) {
>             throw new RuntimeException(e);
>         }
>
>     }
>
> It is throwing this error.
>
> Exception in thread "main" java.lang.IllegalArgumentException: Invalid
> ordinate index: 3
> at
> org.locationtech.jts.geom.CoordinateXYM.setOrdinate(CoordinateXYM.java:156)
> at
> org.locationtech.jts.geom.impl.CoordinateArraySequence.setOrdinate(CoordinateArraySequence.java:309)
> at
> org.geotools.data.shapefile.shp.PolygonHandler.readCoordinates(PolygonHandler.java:316)
> at
> org.geotools.data.shapefile.shp.PolygonHandler.read(PolygonHandler.java:142)
> at
> org.geotools.data.shapefile.shp.ShapefileReader$Record.shape(ShapefileReader.java:114)
> at
> org.geotools.data.shapefile.ShapefileFeatureReader.getGeometry(ShapefileFeatureReader.java:239)
> at
> org.geotools.data.shapefile.ShapefileFeatureReader.hasNext(ShapefileFeatureReader.java:182)
> at
> org.geotools.data.shapefile.ShapefileFeatureReader.next(ShapefileFeatureReader.java:151)
> at
> org.geotools.data.shapefile.ShapefileFeatureReader.next(ShapefileFeatureReader.java:48)
> at
> org.geotools.data.store.ContentFeatureCollection$WrappingFeatureIterator.next(ContentFeatureCollection.java:154)
> at
> org.geotools.data.store.ContentFeatureCollection$WrappingFeatureIterator.next(ContentFeatureCollection.java:134)
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>


-- 
Ian Turton