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Fixed #28232 -- Made raster metadata readable and writable on GDALRaster/Band.
This commit is contained in:
Daniel Wiesmann
committed by
Tim Graham
Tim Graham
parent
23825b2494
commit
e0b456bee7
@@ -1,45 +1,3 @@
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"""
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gdalinfo tests/gis_tests/data/rasters/raster.tif:
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Driver: GTiff/GeoTIFF
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Files: tests/gis_tests/data/rasters/raster.tif
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Size is 163, 174
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Coordinate System is:
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PROJCS["NAD83 / Florida GDL Albers",
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GEOGCS["NAD83",
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DATUM["North_American_Datum_1983",
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SPHEROID["GRS 1980",6378137,298.2572221010002,
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AUTHORITY["EPSG","7019"]],
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TOWGS84[0,0,0,0,0,0,0],
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AUTHORITY["EPSG","6269"]],
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PRIMEM["Greenwich",0],
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UNIT["degree",0.0174532925199433],
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AUTHORITY["EPSG","4269"]],
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PROJECTION["Albers_Conic_Equal_Area"],
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PARAMETER["standard_parallel_1",24],
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PARAMETER["standard_parallel_2",31.5],
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PARAMETER["latitude_of_center",24],
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PARAMETER["longitude_of_center",-84],
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PARAMETER["false_easting",400000],
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PARAMETER["false_northing",0],
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UNIT["metre",1,
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AUTHORITY["EPSG","9001"]],
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AUTHORITY["EPSG","3086"]]
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Origin = (511700.468070655711927,435103.377123198588379)
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Pixel Size = (100.000000000000000,-100.000000000000000)
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Metadata:
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AREA_OR_POINT=Area
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Image Structure Metadata:
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INTERLEAVE=BAND
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Corner Coordinates:
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Upper Left ( 511700.468, 435103.377) ( 82d51'46.16"W, 27d55' 1.53"N)
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Lower Left ( 511700.468, 417703.377) ( 82d51'52.04"W, 27d45'37.50"N)
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Upper Right ( 528000.468, 435103.377) ( 82d41'48.81"W, 27d54'56.30"N)
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Lower Right ( 528000.468, 417703.377) ( 82d41'55.54"W, 27d45'32.28"N)
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Center ( 519850.468, 426403.377) ( 82d46'50.64"W, 27d50'16.99"N)
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Band 1 Block=163x50 Type=Byte, ColorInterp=Gray
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NoData Value=15
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"""
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import os
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import struct
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import tempfile
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@@ -255,6 +213,103 @@ class GDALRasterTests(SimpleTestCase):
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# Band data is equal to zero becaues no nodata value has been specified.
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self.assertEqual(result, [0] * 4)
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def test_raster_metadata_property(self):
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# Check for required gdal version.
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if GDAL_VERSION < (1, 11):
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msg = 'GDAL ≥ 1.11 is required for using the metadata property.'
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with self.assertRaisesMessage(ValueError, msg):
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self.rs.metadata
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return
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self.assertEqual(
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self.rs.metadata,
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{'DEFAULT': {'AREA_OR_POINT': 'Area'}, 'IMAGE_STRUCTURE': {'INTERLEAVE': 'BAND'}},
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)
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# Create file-based raster from scratch
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source = GDALRaster({
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'datatype': 1,
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'width': 2,
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'height': 2,
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'srid': 4326,
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'bands': [{'data': range(4), 'nodata_value': 99}],
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})
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# Set metadata on raster and on a band.
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metadata = {
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'DEFAULT': {'OWNER': 'Django', 'VERSION': '1.0', 'AREA_OR_POINT': 'Point', },
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}
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source.metadata = metadata
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source.bands[0].metadata = metadata
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self.assertEqual(source.metadata['DEFAULT'], metadata['DEFAULT'])
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self.assertEqual(source.bands[0].metadata['DEFAULT'], metadata['DEFAULT'])
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# Update metadata on raster.
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metadata = {
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'DEFAULT': {'VERSION': '2.0', },
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}
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source.metadata = metadata
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self.assertEqual(source.metadata['DEFAULT']['VERSION'], '2.0')
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# Remove metadata on raster.
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metadata = {
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'DEFAULT': {'OWNER': None, },
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}
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source.metadata = metadata
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self.assertNotIn('OWNER', source.metadata['DEFAULT'])
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def test_raster_info_accessor(self):
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if GDAL_VERSION < (2, 1):
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msg = 'GDAL ≥ 2.1 is required for using the info property.'
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with self.assertRaisesMessage(ValueError, msg):
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self.rs.info
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return
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gdalinfo = """
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Driver: GTiff/GeoTIFF
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Files: {0}
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Size is 163, 174
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Coordinate System is:
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PROJCS["NAD83 / Florida GDL Albers",
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GEOGCS["NAD83",
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DATUM["North_American_Datum_1983",
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SPHEROID["GRS 1980",6378137,298.257222101,
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AUTHORITY["EPSG","7019"]],
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TOWGS84[0,0,0,0,0,0,0],
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AUTHORITY["EPSG","6269"]],
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PRIMEM["Greenwich",0,
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AUTHORITY["EPSG","8901"]],
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UNIT["degree",0.0174532925199433,
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AUTHORITY["EPSG","9122"]],
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AUTHORITY["EPSG","4269"]],
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PROJECTION["Albers_Conic_Equal_Area"],
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PARAMETER["standard_parallel_1",24],
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PARAMETER["standard_parallel_2",31.5],
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PARAMETER["latitude_of_center",24],
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PARAMETER["longitude_of_center",-84],
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PARAMETER["false_easting",400000],
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PARAMETER["false_northing",0],
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UNIT["metre",1,
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AUTHORITY["EPSG","9001"]],
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AXIS["X",EAST],
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AXIS["Y",NORTH],
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AUTHORITY["EPSG","3086"]]
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Origin = (511700.468070655711927,435103.377123198588379)
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Pixel Size = (100.000000000000000,-100.000000000000000)
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Metadata:
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AREA_OR_POINT=Area
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Image Structure Metadata:
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INTERLEAVE=BAND
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Corner Coordinates:
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Upper Left ( 511700.468, 435103.377) ( 82d51'46.16"W, 27d55' 1.53"N)
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Lower Left ( 511700.468, 417703.377) ( 82d51'52.04"W, 27d45'37.50"N)
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Upper Right ( 528000.468, 435103.377) ( 82d41'48.81"W, 27d54'56.30"N)
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Lower Right ( 528000.468, 417703.377) ( 82d41'55.54"W, 27d45'32.28"N)
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Center ( 519850.468, 426403.377) ( 82d46'50.64"W, 27d50'16.99"N)
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Band 1 Block=163x50 Type=Byte, ColorInterp=Gray
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NoData Value=15
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""".format(self.rs_path)
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# Data
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info_dyn = [line.strip() for line in self.rs.info.split('\n') if line.strip() != '']
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info_ref = [line.strip() for line in gdalinfo.split('\n') if line.strip() != '']
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self.assertEqual(info_dyn, info_ref)
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def test_raster_warp(self):
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# Create in memory raster
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source = GDALRaster({
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