mirror of
https://github.com/rasterio/rasterio.git
synced 2025-12-08 17:36:12 +00:00
36 lines
1.3 KiB
Python
36 lines
1.3 KiB
Python
import pytest
|
|
|
|
import rasterio
|
|
from rasterio.enums import ColorInterp, PhotometricInterp
|
|
|
|
|
|
def test_cmyk_interp(tmpdir):
|
|
"""A CMYK TIFF has cyan, magenta, yellow, black bands."""
|
|
with rasterio.drivers():
|
|
with rasterio.open('tests/data/RGB.byte.tif') as src:
|
|
meta = src.meta
|
|
meta['photometric'] = 'CMYK'
|
|
meta['count'] = 4
|
|
tiffname = str(tmpdir.join('foo.tif'))
|
|
with rasterio.open(tiffname, 'w', **meta) as dst:
|
|
assert dst.profile['photometric'] == 'cmyk'
|
|
assert dst.colorinterp(1) == ColorInterp.cyan
|
|
assert dst.colorinterp(2) == ColorInterp.magenta
|
|
assert dst.colorinterp(3) == ColorInterp.yellow
|
|
assert dst.colorinterp(4) == ColorInterp.black
|
|
|
|
|
|
def test_ycbcr_interp(tmpdir):
|
|
"""A YCbCr TIFF has red, green, blue bands."""
|
|
with rasterio.drivers():
|
|
with rasterio.open('tests/data/RGB.byte.tif') as src:
|
|
meta = src.meta
|
|
meta['photometric'] = 'ycbcr'
|
|
meta['compress'] = 'jpeg'
|
|
meta['count'] = 3
|
|
tiffname = str(tmpdir.join('foo.tif'))
|
|
with rasterio.open(tiffname, 'w', **meta) as dst:
|
|
assert dst.colorinterp(1) == ColorInterp.red
|
|
assert dst.colorinterp(2) == ColorInterp.green
|
|
assert dst.colorinterp(3) == ColorInterp.blue
|