Constructing to be a writeable 320x240,4 UINT16: resolution 320x240+0+0 untiled 4 channels: ('R', 'G', 'B', 'A') format = uint16 alpha channel = 3 z channel = -1 deep = False Resetting to be a writeable 640x480,3 Float: resolution 640x480+0+0 untiled 3 channels: ('R', 'G', 'B') format = float alpha channel = -1 z channel = -1 deep = False Testing read of ../common/textures/grid.tx: subimage: 0 / 1 miplevel: 0 / 11 channels: 4 name: ../common/textures/grid.tx file_format_name: tiff deep: False orientation: 1 oriented x,y,width,height: 0 0 1024 1024 oriented full x,y,width,height: 0 0 1024 1024 xyz beg/end: 0 1024 0 1024 0 1 xyz min/max: 0 1023 0 1023 0 0 setting full res... roi = 0 1024 0 1024 0 1 0 4 full roi = 0 2048 0 2048 0 1 0 4 setting full roi again, as ROI... Changing origin... Printing the whole spec to be sure: resolution 1024x1024+15+20 tile size 64x64x1 4 channels: ('R', 'G', 'B', 'A') format = uint8 alpha channel = 3 z channel = -1 deep = False oiio:BitsPerSample = 8 Orientation = 1 XResolution = 72.0 YResolution = 72.0 ResolutionUnit = "in" Software = "OpenImageIO 1.5.7dev : maketx -filter lanczos3 --resize grid.tif -o grid.tx" DateTime = "2014:11:29 23:20:23" DocumentName = "g.tif" textureformat = "Plain Texture" wrapmodes = "black,black" fovcot = 1.0 tiff:PhotometricInterpretation = 2 tiff:PlanarConfiguration = 1 planarconfig = "contig" tiff:Compression = 8 compression = "zip" PixelAspectRatio = 1.0 oiio:AverageColor = "0.608983,0.608434,0.608728,1" oiio:SHA-1 = "233A1D3412A54A5F49814AB7BFFD04F56F46D3D7" Resetting to a different MIP level: resolution 256x256+0+0 tile size 64x64x1 4 channels: ('R', 'G', 'B', 'A') format = uint8 alpha channel = 3 z channel = -1 deep = False oiio:BitsPerSample = 8 Orientation = 1 XResolution = 72.0 YResolution = 72.0 ResolutionUnit = "in" Software = "OpenImageIO 1.5.7dev : maketx -filter lanczos3 --resize grid.tif -o grid.tx" DateTime = "2014:11:29 23:20:23" DocumentName = "g.tif" textureformat = "Plain Texture" wrapmodes = "black,black" fovcot = 1.0 tiff:PhotometricInterpretation = 2 tiff:PlanarConfiguration = 1 planarconfig = "contig" tiff:Compression = 8 compression = "zip" PixelAspectRatio = 1.0 oiio:AverageColor = "0.608983,0.608434,0.608728,1" oiio:SHA-1 = "233A1D3412A54A5F49814AB7BFFD04F56F46D3D7" Making 2x2 RGB image: resolution 2x2+0+0 untiled 3 channels: ('R', 'G', 'B') format = uint8 alpha channel = -1 z channel = -1 deep = False Pixel 0,0 is (1.0, 0.0, 0.0) Pixel 1,0 is (0.0, 1.0, 0.0) Pixel 0,1 is (0.0, 0.0, 1.0) Interpolating 1,0.5 -> (0.5, 0.5, 0.0) Interpolating NDC 0.25,0.5 -> (0.5, 0.0, 0.5) Interpolating bicubic 0.25,0.5 -> (0.31944447755813599, 0.31944447755813599, 0.079861126840114594) Interpolating NDC bicubic 0.25,0.5 -> (0.31944447755813599, 0.079861126840114594, 0.31944447755813599) The whole image is: [[[ 1. 0. 0.] [ 0. 1. 0.]] [[ 0. 0. 1.] [ 0. 0. 0.]]] Saving file... Writing deep buffer... Reading back deep buffer: Pixel 0 1 had 3 samples Sample 0 c 0 : 0.420 c 1 : 0.000 c 2 : 0.000 c 3 : 0.000 c 4 : 42.000 Sample 1 c 0 : 0.100 c 1 : 0.200 c 2 : 0.300 c 3 : 42.500 c 4 : 0.000 Sample 2 c 0 : 0.470 c 1 : 0.000 c 2 : 0.000 c 3 : 0.000 c 4 : 43.000 Done. Comparing "out.tif" and "ref/out.tif" PASS Comparing "outtuple.tif" and "ref/outtuple.tif" PASS Comparing "outarray.tif" and "ref/outarray.tif" PASS Comparing "outarrayB.tif" and "ref/outarrayB.tif" PASS Comparing "outarrayH.tif" and "ref/outarrayH.tif" PASS