What oiiotool command line did you use when it worked as expected?


On December 28, 2018 12:36:04 PM PST, Renaud Talon <[email protected]> 
wrote:
>Hi Larry,
>
>I'm having a problem when making thumbnails from tiff images where the
>results image is coming out darker and less saturated than the source.
>When using oiiotool.exe it results in a proper output but the issue
>happens when I do the conversion myself from the python API.
>Any idea why this is happening ?
>Thanks !
>
>Trimmed down code:
>
>from OpenImageIO import OpenImageIO as oiio
>from OpenImageIO.OpenImageIO import ImageBufAlgo, ImageBuf, ImageSpec,
>ImageInput
>
>
>sourceImgPath = "C:/temp/ataafm_diff_v001.1005.tif"
>
>sourceImg = ImageInput.open(sourceImgPath)
>spec = sourceImg.spec()
>
>pixels = sourceImg.read_image(0, 3, oiio.UINT8)
>
>sourceBufSpec = ImageSpec(spec.width, spec.height, 3, oiio.UINT8)
>sourceBuf = ImageBuf(sourceBufSpec)
>sourceBuf.set_pixels(oiio.ROI.All, pixels)
>
>resizedImgSpec = ImageSpec(int(120), int(120), 3, oiio.UINT8)
>resizedBuf = ImageBuf(resizedImgSpec)
>
>ImageBufAlgo.resample(resizedBuf, sourceBuf)
>
># Set input colorspace to linear if converting EXR file
>if sourceImgPath.split('.')[-1] == 'exr':
>    ImageBufAlgo.colorconvert(resizedBuf, resizedBuf, 'linear', 'sRGB')
>
>resizedBuf.write('C:/temp/test_oiio.jpg')
>
>
>[cid:[email protected]]
>
>Renaud

-- 
Larry Gritz
[email protected]
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