Python isnan Examples

Example #1

File: gdal_stats.py Project: drons/gdal

def stats_nan_3():

    src_ds = gdal.Open("data/nan32_nodata.tif")
    nodata = src_ds.GetRasterBand(1).GetNoDataValue()
    if not gdaltest.isnan(nodata):
        gdaltest.post_reason("expected nan, got %f" % nodata)
        return "fail"

    out_ds = gdaltest.gtiff_drv.CreateCopy("tmp/nan32_nodata.tif", src_ds)
    del out_ds

    src_ds = None

    try:
        os.remove("tmp/nan32_nodata.tif.aux.xml")
    except:
        pass

    ds = gdal.Open("tmp/nan32_nodata.tif")
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    gdaltest.gtiff_drv.Delete("tmp/nan32_nodata.tif")
    if not gdaltest.isnan(nodata):
        gdaltest.post_reason("expected nan, got %f" % nodata)
        return "fail"

    return "success"

Example #2

File: gdal_stats.py Project: ryandavid/rotobox

def stats_nan_3():

    src_ds = gdal.Open('data/nan32_nodata.tif')
    nodata = src_ds.GetRasterBand(1).GetNoDataValue()
    if not gdaltest.isnan(nodata):
        gdaltest.post_reason('expected nan, got %f' % nodata)
        return 'fail'

    out_ds = gdaltest.gtiff_drv.CreateCopy('tmp/nan32_nodata.tif', src_ds)
    del out_ds

    src_ds = None

    try:
        os.remove('tmp/nan32_nodata.tif.aux.xml')
    except:
        pass

    ds = gdal.Open('tmp/nan32_nodata.tif')
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    gdaltest.gtiff_drv.Delete('tmp/nan32_nodata.tif')
    if not gdaltest.isnan(nodata):
        gdaltest.post_reason('expected nan, got %f' % nodata)
        return 'fail'

    return 'success'

Example #3

def stats_nan_3():

    src_ds = gdal.Open('data/nan32_nodata.tif')
    nodata = src_ds.GetRasterBand(1).GetNoDataValue()
    if not gdaltest.isnan(nodata):
        gdaltest.post_reason('expected nan, got %f' % nodata)
        return 'fail'

    out_ds = gdaltest.gtiff_drv.CreateCopy('tmp/nan32_nodata.tif', src_ds)
    del out_ds

    src_ds = None

    try:
        os.remove('tmp/nan32_nodata.tif.aux.xml')
    except:
        pass

    ds = gdal.Open('tmp/nan32_nodata.tif')
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    gdaltest.gtiff_drv.Delete('tmp/nan32_nodata.tif')
    if not gdaltest.isnan(nodata):
        gdaltest.post_reason('expected nan, got %f' % nodata)
        return 'fail'

    return 'success'

Example #4

File: gdal_stats.py Project: AsgerPetersen/gdal

def test_stats_nan_8():

    ds = gdal.Open('data/nan32_nodata_warp_zero_to_nan.vrt')
    cs = ds.GetRasterBand(1).Checksum()
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    assert cs == 874, 'did not get expected checksum'

    assert gdaltest.isnan(nodata), ('expected nan, got %f' % nodata)

Example #5

File: gdal_stats.py Project: fossabot/gdal_test

def test_stats_nan_8():

    ds = gdal.Open('data/nan32_nodata_warp_zero_to_nan.vrt')
    cs = ds.GetRasterBand(1).Checksum()
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    assert cs == 874, 'did not get expected checksum'

    assert gdaltest.isnan(nodata), ('expected nan, got %f' % nodata)

Example #6

File: gdal_stats.py Project: AsgerPetersen/gdal

def test_stats_nan_3():

    src_ds = gdal.Open('data/nan32_nodata.tif')
    nodata = src_ds.GetRasterBand(1).GetNoDataValue()
    assert gdaltest.isnan(nodata), ('expected nan, got %f' % nodata)

    out_ds = gdaltest.gtiff_drv.CreateCopy('tmp/nan32_nodata.tif', src_ds)
    del out_ds

    src_ds = None

    try:
        os.remove('tmp/nan32_nodata.tif.aux.xml')
    except OSError:
        pass

    ds = gdal.Open('tmp/nan32_nodata.tif')
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    gdaltest.gtiff_drv.Delete('tmp/nan32_nodata.tif')
    assert gdaltest.isnan(nodata), ('expected nan, got %f' % nodata)

Example #7

File: gdal_stats.py Project: fossabot/gdal_test

def test_stats_nan_3():

    src_ds = gdal.Open('data/nan32_nodata.tif')
    nodata = src_ds.GetRasterBand(1).GetNoDataValue()
    assert gdaltest.isnan(nodata), ('expected nan, got %f' % nodata)

    out_ds = gdaltest.gtiff_drv.CreateCopy('tmp/nan32_nodata.tif', src_ds)
    del out_ds

    src_ds = None

    try:
        os.remove('tmp/nan32_nodata.tif.aux.xml')
    except OSError:
        pass

    ds = gdal.Open('tmp/nan32_nodata.tif')
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    gdaltest.gtiff_drv.Delete('tmp/nan32_nodata.tif')
    assert gdaltest.isnan(nodata), ('expected nan, got %f' % nodata)

Example #8

File: gdal_stats.py Project: ryandavid/rotobox

def stats_nan_8():

    ds = gdal.Open('data/nan32_nodata_warp_zero_to_nan.vrt')
    cs = ds.GetRasterBand(1).Checksum()
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    if cs != 874:
        gdaltest.post_reason('did not get expected checksum')
        print(cs)
        return 'fail'

    if not gdaltest.isnan(nodata):
        gdaltest.post_reason('expected nan, got %f' % nodata)
        return 'fail'

    return 'success'

Example #9

def stats_nan_8():

    ds = gdal.Open('data/nan32_nodata_warp_zero_to_nan.vrt')
    cs = ds.GetRasterBand(1).Checksum()
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    if cs != 874:
        gdaltest.post_reason('did not get expected checksum')
        print(cs)
        return 'fail'

    if not gdaltest.isnan(nodata):
        gdaltest.post_reason('expected nan, got %f' % nodata)
        return 'fail'

    return 'success'

Example #10

File: gdal_stats.py Project: drons/gdal

def stats_nan_8():

    ds = gdal.Open("data/nan32_nodata_warp_zero_to_nan.vrt")
    cs = ds.GetRasterBand(1).Checksum()
    nodata = ds.GetRasterBand(1).GetNoDataValue()
    ds = None

    if cs != 874:
        gdaltest.post_reason("did not get expected checksum")
        print(cs)
        return "fail"

    if not gdaltest.isnan(nodata):
        gdaltest.post_reason("expected nan, got %f" % nodata)
        return "fail"

    return "success"