Sounds interesting thx Fab Thanks Pete, they are in .PDF but there are no layers included as far as i can tell, the files where intended for printing originaly.
On 10 February 2016 at 11:59, Fabian Schnuer Gohde <list....@gohde.no> wrote: > Have a check if there are spot colors or laquer or similar layers in the > file. They can cause funny results. In the latest Acrobat Pro DC (part of > CC) under Tools>PrintProduction there is a color converter that might help > get this into the sRGB world. > > Best of luck, > Fabian > > On 10 February 2016 at 10:04, <pete...@skynet.be> wrote: > >> were they PDF’s? >> if the pdf is still layered, possibly there is a specific layer for >> creating those ultrablacks (if that is what’s going on) that you can turn >> off - in illustrator or indesign or such (not PS). >> Also, when there, and the files looks ‘normal’, you can simply try >> ‘export for web’ as a png or jpg. >> >> >> >> *From:* Sebastien Sterling <sebastien.sterl...@gmail.com> >> *Sent:* Tuesday, February 09, 2016 11:16 PM >> *To:* softimage@listproc.autodesk.com >> *Subject:* Re: Softimage and CMYK >> >> Could i approximate it ? in sRGB ? god but this is a mess :( >> >> I don't think the client has any original sRGB artwork >> >> On 9 February 2016 at 22:05, <pete...@skynet.be> wrote: >> >>> I don’t think it’s a colorspace problem perse – as within normal ranges, >>> going back and forth between RGB and CMYK isn’t so bad. >>> >>> The ultramarine blue in the blacks, might be something very different: >>> a good print black is not 100% black and 0% C,M,Y each: this would >>> result in a dark grey. >>> So ‘designers’ add some of the other colors, up to almost 300% total, to >>> deepen and tint the black. >>> A cold deep black with lots of cyan, a warmer black with yellow or... >>> everyone has his preference for mixing black it seems, and they even give >>> their blacks fancy names. >>> >>> Of course that’s bound to give you trouble going back to RGB – as those >>> are colors that are far outside the normal gamut of colors. >>> The other way around, we would call them illegal colors, our pure 100% >>> primary and secondary colors are among them. >>> As the others have pointed out, welcome to a world of pain – doing some >>> print work atm, having to mix and match 3D renders (linear), CMYK artwork, >>> photographs (srgb), physical parts painted with pantone colors and more, >>> and going back and forth between 3D and ps/illustrator and pdf - and it is >>> a minefield. >>> You have to inform your client that their artwork is purpose made for a >>> certain printing effect which makes them unfit for other use. >>> You might be better off scanning/photographing printed artwork or >>> physical products or ... >>> >>> >>> *From:* Sven Constable <sixsi_l...@imagefront.de> >>> *Sent:* Tuesday, February 09, 2016 10:38 PM >>> *To:* softimage@listproc.autodesk.com >>> *Subject:* RE: Softimage and CMYK >>> >>> >>> Even I don't get why black is ultramrine blue, I think it's not because >>> of CMYK vs RGB but the embedded color profile. I get pdfs for print all the >>> time, sometimes I even send CMYK renderings back to them (of course not >>> rendered in cmyk but converted in PS afterwards and with their color >>> profile attached). If converted from CMYK to RGB and vice versa I saw only >>> minimal color shifting. It depends largely on color space and -profile. >>> Remember CMYK and RGB are color models, not color space nor color profiles. >>> >>> >>> >>> If you import pdfs into PS, convert them to RGB and CMYK. If you see >>> significant color changes between both, it'because of the color profiles >>> that are assigned to CMYK and RGB inside Photoshop. I would just convert >>> them to RGB and then test different color profiles (Edit->Convert to >>> Profile). Tick 'Preview' and switch between the different profiles >>> available. Maybe one of it will crush the blacks. >>> >>> That is a bit awful and I agree with Rob, the client should send you >>> proper files. But it's difficult to say what is proper since 3D is not >>> print is not film is not reality. In an ideal world they would send you RGB >>> files with sRGB color profile but I doubt this will ever happen. They >>> usually work with CMYK from start to finish. >>> >>> >>> >>> Are these product shots are meant for web or print? If print, they're >>> possibly correct with black beeing blueish and the client expects the >>> renderings accordingly …? >>> >>> sven >>> >>> >>> >>> *From:* softimage-boun...@listproc.autodesk.com [mailto: >>> softimage-boun...@listproc.autodesk.com] *On Behalf Of *Sebastien >>> Sterling >>> *Sent:* Tuesday, February 09, 2016 8:30 PM >>> *To:* softimage@listproc.autodesk.com >>> *Subject:* Re: Softimage and CMYK >>> >>> >>> >>> Basically the client wants a pack shot of thirty or so products, so we >>> need to model them up and texture them. >>> >>> In order to texture them the client sent the original packaging files in >>> .pdf format, but these where originally destined for print and so they are >>> CMYK. >>> >>> the colors are off, it is most noticeable in the blacks, as they have >>> all shifted to ultramarine blue. >>> >>> I don't know how to fix this, it is pretty baffling, :( >>> >>> >>> >>> On 9 February 2016 at 19:19, Rob Chapman <tekano....@gmail.com> wrote: >>> >>> aah was part of the DTP revolution first time around with Aldus >>> products... So I remember a bit about conversion having to get renders to >>> the printers sometimes and being very disappointed with the blue greys :) >>> >>> >>> >>> firstly this may help >>> >>> >>> >>> >>> >>> and may explain why the colors changed. some colors simply do not fit >>> between gamuts and will change regardless. >>> >>> >>> >>> so you have the CMYK plates and have to match in RGB to render and then >>> convert back to CMYK again? oof. have you tried regenerating in photoshop >>> from the separate CMYK and they match the printers provided RGB 0utput? >>> >>> >>> >>> Photoshop LAB color mode was invented for this no? better off starting >>> with something super wide gamut really depends on what the printer is using >>> to convert to RGB with or originally sourced from and what printer profiles >>> etc eg is it coated or glossy paper , all that palava. >>> >>> >>> >>> if its one specific pantone color or a few then you are in luck as you >>> can just render mattes like Mr Wuijster suggested and the printer can >>> easily spot color these. >>> >>> >>> >>> good luck matching anything RGB with a printer tho...! >>> >>> >>> >>> >>> >>> >>> >>> On 9 February 2016 at 18:49, Rob Wuijster <r...@casema.nl> wrote: >>> >>> It's not possible, unless you have the exact profile for the printer it >>> was finalized for. >>> And it's weird that black is ultramarine blue in your files. >>> >>> Just have them give you RGB's, or give them a ton of mattes so they can >>> color correct the shit out of it again. >>> >>> That's what normally happens over here, as the Photoshop guys seem to >>> like that workflow ;-) >>> >>> Rob >>> >>> >>> >>> \/-------------\/----------------\/ >>> >>> On 9-2-2016 19:35, Sebastien Sterling wrote: >>> >>> Trouble is here what i hace is in CMYK from the printers and already >>> decolored, what should be black if ultramarine blue, am looking or a way to >>> convert these images back to sRGB and back to what they should look like. >>> there are lots of tutoriels on how to move from sRGB to CMYK but none for >>> the reverse. or how to color correct it. >>> >>> >>> >>> On 9 February 2016 at 18:27, Sven Constable <sixsi_l...@imagefront.de> >>> wrote: >>> >>> CMYK generally is not very well suited for 3d because rendering itself >>> is RGB. When you convert textures in PS from CMYK to RGB I would use >>> 'relative colormetric' (color settings->conversion options). >>> >>> >>> >>> sven >>> >>> >>> >>> *From:* softimage-boun...@listproc.autodesk.com [mailto: >>> softimage-boun...@listproc.autodesk.com] *On Behalf Of *Sebastien >>> Sterling >>> *Sent:* Tuesday, February 09, 2016 7:13 PM >>> *To:* softimage@listproc.autodesk.com >>> *Subject:* Softimage and CMYK >>> >>> >>> >>> Hey list, am working on a job with package assets art in CMYK. Soft >>> won't display them. >>> >>> Does softimage not support CMYK ? >>> >>> Also, when you move from srgb to CMYK in photoshop there is a color >>> shift. >>> >>> is it possible to reverse this process ? >>> >>> Sorry for weird noobie questions, am not accustom to working with CMYK >>> in production. >>> >>> is weird. >>> >>> >>> >>> Geen virus gevonden in dit bericht. >>> Gecontroleerd door AVG - www.avg.com >>> Versie: 2016.0.7357 / Virusdatabase: 4522/11592 - datum van uitgifte: >>> 02/09/16 >>> >>> >>> >>> >>> >>> >>> >> >> > >
