Only one more note -- JPEG files by specification should always be true sRGB (with the usual sRGB transfer function), not "linear sRGB" (which I assume means Rec709 primaries but linear transfer function).
Right? > On Jun 4, 2020, at 7:48 PM, spo...@toxixox.com wrote: > > got it ! > > > I got rid of the error and got a perfect color match in nuke with > --colorconvert "ACES - ACEScg” “Utility - Linear - sRGB" > > Thanks a lot for your help !! > > > > >> On 5 Jun 2020, at 03:33, Thomas Mansencal <thomas.mansen...@gmail.com> wrote: >> >>> Maybe use the color space "Output - sRGB" is the one you want? That sounds >>> like maybe a good guess. >> >> This should be correct indeed! This will bake the sRGB ODT onto the imagery. >> >> Thomas Mansencal - colour-science.org - thomasmansencal.com >> >> >> On Fri, 5 Jun 2020 at 13:16, Larry Gritz <l...@larrygritz.com> wrote: >> Right, when you --colorconvert linear sRGB, since those are not names in >> your OCIO config, OIIO is just falling back to a canned "linear -> sRGB" >> behavior of converting Rec709 color primaries with a linear transfer >> function, to the same primaries with the sRGB transfer function. But the >> colors are wrong because your input is not really Rec709, it's acescg. >> >> For the second example, it's trying to use your OCIO config, but your config >> does not have an entry for sRGB. >> >> Maybe use the color space "Output - sRGB" is the one you want? That sounds >> like maybe a good guess. >> >> But really, it depends on what you're trying to do. This is a good question >> to ask your facility's color scientist. I would also maybe refer the >> question to somebody on the ocio-dev or ACES mail lists? I think that the >> real issue is figuring out which of your many color spaces you are really >> intending to transform between. >> >> >>> On Jun 4, 2020, at 5:49 PM, spo...@toxixox.com wrote: >>> >>> Here it is. ACES 1.0.3 >>> >>> >>> Strange thing, I can do this without error : >>> $ oiiotool input.exr --colorconvert linear sRGB -o output.jpg >>> (but I get weird colors, of course) >>> >>> And this one: >>> $ oiiotool input.exr --colorconvert acescg sRGB -o output.jpg >>> always gives me : >>> oiiotool ERROR: colorconvert : Could not find colorspace 'sRGB’. >>> >>> >>> >>> >>> Color configuration: /Users/Shared/ocio-configs/aces_1.0.3/config.ocio >>> Known color spaces: "ACES - ACES2065-1", "ACES - ACEScc", "ACES - ACEScct", >>> "ACES - ACESproxy", "ACES - ACEScg" (linear), "Input - ADX - ADX10", "Input >>> - ADX - ADX16", "Input - ARRI - V3 LogC (EI160) - Wide Gamut", "Input - >>> ARRI - V3 LogC >>> (EI200) - Wide Gamut", "Input - ARRI - V3 LogC (EI250) - Wide Gamut", >>> "Input - ARRI - V3 LogC (EI320) - Wide Gamut", "Input - ARRI - V3 LogC >>> (EI400) - Wide Gamut", "Input - ARRI - V3 LogC (EI500) - Wide Gamut", >>> "Input - ARRI - V3 LogC (EI640) >>> - Wide Gamut", "Input - ARRI - V3 LogC (EI800) - Wide Gamut", "Input - >>> ARRI - V3 LogC (EI1000) - Wide Gamut", "Input - ARRI - V3 LogC (EI1280) - >>> Wide Gamut", "Input - ARRI - V3 LogC (EI1600) - Wide Gamut", "Input - ARRI >>> - V3 LogC (EI2000) - >>> Wide Gamut", "Input - ARRI - V3 LogC (EI2560) - Wide Gamut", "Input - >>> ARRI - V3 LogC (EI3200) - Wide Gamut", "Input - ARRI - Curve - V3 LogC >>> (EI800)", "Input - ARRI - Linear - ALEXA Wide Gamut", "Input - Canon - >>> Canon-Log - Rec. 709 >>> Daylight", "Input - Canon - Canon-Log - Rec. 709 Tungsten", "Input - >>> Canon - Canon-Log - DCI-P3 Daylight", "Input - Canon - Canon-Log - DCI-P3 >>> Tungsten", "Input - Canon - Canon-Log - Cinema Gamut Daylight", "Input - >>> Canon - Canon-Log - Cinema >>> Gamut Tungsten", "Input - Canon - Canon-Log - Rec. 2020 Daylight", "Input >>> - Canon - Canon-Log - Rec. 2020 Tungsten", "Input - Canon - Canon-Log2 - >>> Rec. 2020 Daylight", "Input - Canon - Canon-Log2 - Rec. 2020 Tungsten", >>> "Input - Canon - >>> Canon-Log2 - Cinema Gamut Daylight", "Input - Canon - Canon-Log2 - Cinema >>> Gamut Tungsten", "Input - Canon - Canon-Log3 - Rec. 2020 Daylight", "Input >>> - Canon - Canon-Log3 - Rec. 2020 Tungsten", "Input - Canon - Canon-Log3 - >>> Cinema Gamut >>> Daylight", "Input - Canon - Canon-Log3 - Cinema Gamut Tungsten", "Input - >>> Canon - Curve - Canon-Log", "Input - Canon - Curve - Canon-Log2", "Input - >>> Canon - Curve - Canon-Log3", "Input - Canon - Linear - Canon Rec. 709 >>> Daylight", "Input - >>> Canon - Linear - Canon Rec. 709 Tungsten", "Input - Canon - Linear - >>> Canon DCI-P3 Daylight", "Input - Canon - Linear - Canon DCI-P3 Tungsten", >>> "Input - Canon - Linear - Canon Cinema Gamut Daylight", "Input - Canon - >>> Linear - Canon Cinema >>> Gamut Tungsten", "Input - Canon - Linear - Canon Rec. 2020 Daylight", >>> "Input - Canon - Linear - Canon Rec. 2020 Tungsten", "Input - Generic - >>> sRGB - Texture", "Input - GoPro - Protune Flat - Protune Native - >>> Experimental", "Input - GoPro - >>> Curve - Protune Flat", "Input - GoPro - Linear - Protune Native - >>> Experimental", "Input - Panasonic - V-Log - V-Gamut", "Input - Panasonic - >>> Curve - V-Log", "Input - Panasonic - Linear - V-Gamut", "Input - RED - >>> REDlogFilm - DRAGONcolor", >>> "Input - RED - REDlogFilm - DRAGONcolor2", "Input - RED - REDlogFilm - >>> REDcolor", "Input - RED - REDlogFilm - REDcolor2", "Input - RED - >>> REDlogFilm - REDcolor3", "Input - RED - REDlogFilm - REDcolor4", "Input - >>> RED - REDLog3G10 - >>> REDWideGamutRGB", "Input - RED - Curve - REDlogFilm", "Input - RED - >>> Curve - REDLog3G10", "Input - RED - Linear - DRAGONcolor", "Input - RED - >>> Linear - DRAGONcolor2", "Input - RED - Linear - REDcolor", "Input - RED - >>> Linear - REDcolor2", >>> "Input - RED - Linear - REDcolor3", "Input - RED - Linear - REDcolor4", >>> "Input - RED - Linear - REDWideGamutRGB", "Input - Sony - S-Log1 - >>> S-Gamut", "Input - Sony - S-Log2 - S-Gamut", "Input - Sony - S-Log2 - >>> S-Gamut Daylight", "Input - Sony >>> - S-Log2 - S-Gamut Tungsten", "Input - Sony - S-Log3 - S-Gamut3.Cine", >>> "Input - Sony - S-Log3 - S-Gamut3", "Input - Sony - Curve - S-Log1", "Input >>> - Sony - Curve - S-Log2", "Input - Sony - Curve - S-Log3", "Input - Sony - >>> Linear - S-Gamut", >>> "Input - Sony - Linear - S-Gamut Daylight", "Input - Sony - Linear - >>> S-Gamut Tungsten", "Input - Sony - Linear - S-Gamut3.Cine", "Input - Sony - >>> Linear - S-Gamut3", "Output - DCDM (P3 gamut clip)", "Output - DCDM", >>> "Output - P3-D60 ST2084 >>> (1000 nits)", "Output - P3-D60 ST2084 (2000 nits)", "Output - P3-D60 >>> ST2084 (4000 nits)", "Output - Rec.2020 ST2084 (1000 nits)", "Output - >>> P3-D60", "Output - P3-DCI", "Output - Rec.2020", "Output - Rec.709", >>> "Output - Rec.709 (D60 sim.)", >>> "Output - sRGB", "Output - sRGB (D60 sim.)", "Utility - LMT Shaper", >>> "Utility - Log2 48 nits Shaper", "Utility - Log2 48 nits Shaper - AP1", >>> "Utility - Log2 1000 nits Shaper", "Utility - Log2 1000 nits Shaper - AP1", >>> "Utility - Log2 2000 nits >>> Shaper", "Utility - Log2 2000 nits Shaper - AP1", "Utility - Log2 4000 >>> nits Shaper", "Utility - Log2 4000 nits Shaper - AP1", "Utility - Dolby PQ >>> 10000", "Utility - Dolby PQ 48 nits Shaper", "Utility - Dolby PQ 48 nits >>> Shaper - AP1", "Utility >>> - Dolby PQ 1000 nits Shaper", "Utility - Dolby PQ 1000 nits Shaper - >>> AP1", "Utility - Dolby PQ 2000 nits Shaper", "Utility - Dolby PQ 2000 nits >>> Shaper - AP1", "Utility - Dolby PQ 4000 nits Shaper", "Utility - Dolby PQ >>> 4000 nits Shaper - AP1", >>> "Utility - Curve - Rec.1886", "Utility - Curve - Rec.2020", "Utility - >>> Curve - Rec.709", "Utility - Curve - sRGB", "Utility - Linear - Adobe RGB", >>> "Utility - Linear - Adobe Wide Gamut RGB", "Utility - Linear - P3-D60", >>> "Utility - Linear - >>> P3-D65", "Utility - Linear - P3-DCI", "Utility - Linear - RIMM ROMM >>> (ProPhoto)", "Utility - Linear - Rec.2020", "Utility - Linear - Rec.709", >>> "Utility - Linear - sRGB", "Utility - Rec.2020 - Camera", "Utility - >>> Rec.2020 - Display", "Utility - >>> Rec.709 - Camera", "Utility - Rec.709 - Display", "Utility - XYZ - D60", >>> "Utility - sRGB - Texture", "Utility - Raw", "Utility - Look - ACES 1.0 to >>> 0.1 emulation", "Utility - Look - ACES 1.0 to 0.2 emulation", "Utility - >>> Look - ACES 1.0 to >>> 0.7 emulation", "Role - reference", "Role - compositing_linear", "Role - >>> compositing_log", "Role - rendering", "Role - scene_linear", "Role - >>> texture_paint", "Role - default", "Role - data", "Role - matte_paint", >>> "Role - color_picking", "Role >>> - color_timing", "lin_ap0", "aces", "acescc", "acescc_ap1", "acescct", >>> "acescct_ap1", "acesproxy", "acesproxy_ap1", "acescg", "lin_ap1", "adx10", >>> "adx16", "logc3ei160_alexawide", "logc3ei200_alexawide", >>> "logc3ei250_alexawide", >>> "logc3ei320_alexawide", "logc3ei400_alexawide", "logc3ei500_alexawide", >>> "logc3ei640_alexawide", "logc3ei800_alexawide", "logc3ei1000_alexawide", >>> "logc3ei1280_alexawide", "logc3ei1600_alexawide", "logc3ei2000_alexawide", >>> "logc3ei2560_alexawide", "logc3ei3200_alexawide", "crv_logc3ei800", >>> "lin_alexawide", "canonlog_rec709day", "canonlog_rec709tung", >>> "canonlog_dcip3day", "canonlog_dcip3tung", "canonlog_cgamutday", >>> "canonlog_cgamuttung", "canonlog_rec2020day", >>> "canonlog_rec2020tung", "canonlog2_rec2020day", "canonlog2_rec2020tung", >>> "canonlog2_cgamutday", "canonlog2_cgamuttung", "canonlog3_rec2020day", >>> "canonlog3_rec2020tung", "canonlog3_cgamutday", "canonlog3_cgamuttung", >>> "crv_canonlog", >>> "crv_canonlog2", "crv_canonlog3", "lin_canonrec709day", >>> "lin_canonrec709tung", "lin_canondcip3day", "lin_canondcip3tung", >>> "lin_canoncgamutday", "lin_canoncgamuttung", "lin_canonrec2020day", >>> "lin_canonrec2020tung", >>> "protuneflat_protunegamutexp", "crv_protuneflat", "lin_protunegamutexp", >>> "vlog_vgamut", "crv_vlog", "lin_vgamut", "rlf_dgn", "rlf_dgn2", "rlf_rc", >>> "rlf_rc2", "rlf_rc3", "rlf_rc4", "rl3g10_rwg", "crv_rlf", "crv_rl3g10", >>> "lin_dgn", "lin_dgn2", >>> "lin_rc", "lin_rc2", "lin_rc3", "lin_rc4", "lin_rwg", "slog1_sgamut", >>> "slog2_sgamut", "slog2_sgamutday", "slog2_sgamuttung", "slog3_sgamutcine", >>> "slog3_sgamut3", "crv_slog1", "crv_slog2", "crv_slog3", "lin_sgamut", >>> "lin_sgamutday", >>> "lin_sgamuttung", "lin_sgamut3cine", "lin_sgamut3", >>> "out_dcdmp3gamutclip", "out_dcdm", "out_p3d60st20841000nits", >>> "out_p3d60st20842000nits", "out_p3d60st20844000nits", >>> "out_rec2020st20841000nits", "out_p3d60", "out_p3dci", "out_rec2020", >>> "out_rec709", "out_rec709d60sim", "out_srgb", "out_srgbd60sim", >>> "crv_lmtshaper", "crv_log248nitsshaper", "log248nitsshaper_ap1", >>> "crv_log21000nitsshaper", "log21000nitsshaper_ap1", >>> "crv_log22000nitsshaper", "log22000nitsshaper_ap1", >>> "crv_log24000nitsshaper", "log24000nitsshaper_ap1", "crv_dolbypq_10000", >>> "crv_dolbypq48nitsshaper", "dolbypq48nitsshaper_ap1", >>> "crv_dolbypq1000nitsshaper", "dolbypq1000nitsshaper_ap1", >>> "crv_dolbypq2000nitsshaper", "dolbypq2000nitsshaper_ap1", >>> "crv_dolbypq4000nitsshaper", "dolbypq4000nitsshaper_ap1", "crv_rec1886", >>> "crv_rec2020", "crv_rec709", "crv_srgb", "lin_adobergb", >>> "lin_adobewidegamutrgb", "lin_p3d60", "lin_p3d65", "lin_p3dci", >>> "lin_prophoto", "lin_rimm", "lin_rec2020", >>> "lin_rec709", "lin_srgb", "rec2020_camera", "rec2020_display", >>> "rec709_camera", "rec709_display", "lin_xyz_d60", "srgb_texture", "raw", >>> "look_aces10to01emulation", "look_aces10to02emulation", >>> "look_aces10to07emulation", "role_reference", >>> "role_compositing_linear", "role_compositing_log", "role_rendering", >>> "role_scene_linear", "role_texture_paint", "role_default", "role_data", >>> "role_matte_paint", "role_color_picking", "role_color_timing" >>> >>>> On 5 Jun 2020, at 02:26, Larry Gritz <l...@larrygritz.com> wrote: >>>> >>>> Looks like you clipped just AFTER what we need. >>>> >>>> Right above "known displays", you will see "known color spaces." >>>> For example, mine says: >>>> >>>> Color configuration: /Users/lg/.ocio-configs/nuke-default/config.ocio >>>> Known color spaces: "linear", "sRGB", "sRGBf", "rec709", "Cineon", >>>> "Gamma1.8", "Gamma2.2", "Panalog", "REDLog", "ViperLog", "AlexaV3LogC", >>>> "PLogLin", "SLog", "raw" >>>> Known displays: "default"* (views: "None", "sRGB"*, "rec709") (* = >>>> default) >>>> >>>> >>>> >>>>> On Jun 4, 2020, at 5:18 PM, spo...@toxixox.com wrote: >>>>> >>>>> well that does not work for me, I think I should check the OCIO config >>>>> Thanks for your help ! >>>>> >>>>> >>>>> $ oiiotool input.exr --colorconvert acescg sRGB -o output.jpg >>>>> oiiotool ERROR: colorconvert : Could not find colorspace 'sRGB’. >>>>> >>>>> >>>>> $ oiiotool —help >>>>> (…) >>>>> Known displays: "ACES"* (views: "sRGB"*, "DCDM", "DCDM P3 gamut clip", >>>>> "P3-D60", "P3-D60 ST2084 1000 nits", "P3-D60 ST2084 2000 nits", "P3-D60 >>>>> ST2084 4000 nits", "P3-DCI", "Rec.2020", "Rec.2020 ST2084 1000 nits", >>>>> "Rec.709", "Rec.709 D60 sim.", "sRGB D60 sim.", "Raw", "Log") (* = >>>>> default) >>>>> >>>>> >>>>> >>>>> >>>>>> On 5 Jun 2020, at 02:07, Larry Gritz <l...@larrygritz.com> wrote: >>>>>> >>>>>> I think it's simpler than that. >>>>>> >>>>>> oiiotool --help >>>>>> >>>>>> should (near the bottom) list all the color spaces that your OCIO config >>>>>> knows about. Let's say, for the sake of argument, that you see >>>>>> colorspaces named "acescg" and "sRGB". Then you just need to >>>>>> >>>>>> oiiotool input.exr --colorconvert acescg sRGB -o output.jpg >>>>>> >>>>>> >>>>>> >>>>>>> On Jun 4, 2020, at 4:34 PM, spo...@toxixox.com wrote: >>>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> I’m trying to use oiiotool for a simple conversion from EXR - ACEScg >>>>>>> to JPEG - sRGB. >>>>>>> Looks simple but I couldn’t find any example in the oiio doc or online >>>>>>> and I’m a bit confused with the syntax and the quotes >>>>>>> >>>>>>> Does this look correct ? >>>>>>> >>>>>>> oiiotool -i input.exr --iscolorspace "ACES - ACEScg" --tocolorspace >>>>>>> "lin_sRGB" --colorconvert linear sRGB -o output.jpg >>>>>>> >>>>>>> thanks, >>>>>>> >>>>>>> Kev. >>>>>>> _______________________________________________ >>>>>>> Oiio-dev mailing list >>>>>>> Oiio-dev@lists.openimageio.org >>>>>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >>>>>> >>>>>> -- >>>>>> Larry Gritz >>>>>> l...@larrygritz.com >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Oiio-dev mailing list >>>>>> Oiio-dev@lists.openimageio.org >>>>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >>>>> >>>>> _______________________________________________ >>>>> Oiio-dev mailing list >>>>> Oiio-dev@lists.openimageio.org >>>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >>>> >>>> -- >>>> Larry Gritz >>>> l...@larrygritz.com >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Oiio-dev mailing list >>>> Oiio-dev@lists.openimageio.org >>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >>> >>> _______________________________________________ >>> Oiio-dev mailing list >>> Oiio-dev@lists.openimageio.org >>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >> >> -- >> Larry Gritz >> l...@larrygritz.com >> >> >> >> >> _______________________________________________ >> Oiio-dev mailing list >> Oiio-dev@lists.openimageio.org >> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >> _______________________________________________ >> Oiio-dev mailing list >> Oiio-dev@lists.openimageio.org >> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > > _______________________________________________ > Oiio-dev mailing list > Oiio-dev@lists.openimageio.org > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org -- Larry Gritz l...@larrygritz.com
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