Hi, the geotiff writer is swapping the axis order of gridcoverages in
WGS84. While I may understand intuitively the logic behind, this leads
to code like this[1], which is not very logic since the output is:
GeneralEnvelope[(-9.4, 35.200000348), (4.399999447999999, 43.9)]
GeneralEnvelope[(35.200000348, -9.4), (43.9, 4.399999447999999)]
I am using 9.1 version and I think the problem, if any, can be
reproduced with any kind of geotiff in wgs84.
Also, the written file appears rotated when I see it in QGIS. Is there
anything I am missing? Something wrong in my code?
Cheers.
[1]
AbstractGridFormat format = GridFormatFinder
.findFormat("/tmp/spain.tiff");
AbstractGridCoverage2DReader reader = format
.getReader("/tmp/spain.tiff");
GridCoverage2D gc = reader.read(new GeneralParameterValue[0]);
System.out.println(gc.getEnvelope());
GeoTiffWriteParams params = new GeoTiffWriteParams();
ParameterValue<GeoToolsWriteParams> value =
GeoTiffFormat.GEOTOOLS_WRITE_PARAMS
.createValue();
ParameterValue<Boolean> value2 = GeoTiffFormat.RETAIN_AXES_ORDER
.createValue();
value2.setValue(true);
value.setValue(params);
GeoTiffWriter writer = new GeoTiffWriter(new File("/tmp/spain2.tiff"));
writer.write(gc, new GeneralParameterValue[] { value, value2 });
writer.dispose();
AbstractGridCoverage2DReader reader2 = format
.getReader("/tmp/spain2.tiff");
GridCoverage2D gc2 = reader2.read(new GeneralParameterValue[0]);
System.out.println(gc2.getEnvelope());
--
Fernando González
http://geomati.co/
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