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Color/materials suddenly goes darker?

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  • T Offline
    tinanne
    last edited by 7 Aug 2008, 17:05

    Hopefully someone out there can help me. This project is stressing me out! All of a sudden ALL the colors have gone darker so it has to be a setting somewhere. I've done some troubleshooting to rule out my monitor. I just think it has to be a setting because all the colors have changed not just one or two.

    Any ideas?

    Executive Director : American Society of Architectural Illustrators
    AIP 30 Competition opens soon. ASAI.org

    Architectural Rendering

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    • R Offline
      remus
      last edited by 7 Aug 2008, 17:11

      Is the actual colour of the materials that has changed (have the RGB values changed?) or do they just look darker?

      http://remusrendering.wordpress.com/

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      • T Offline
        tinanne
        last edited by 7 Aug 2008, 17:22

        I'm not sure actually. It is just very weird and I've spent two days trying to figure it out 😞

        Executive Director : American Society of Architectural Illustrators
        AIP 30 Competition opens soon. ASAI.org

        Architectural Rendering

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        • G Offline
          Gaieus
          last edited by 7 Aug 2008, 17:23

          Could you try to load your model onto another computer?

          Gai...

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          • C Offline
            CraigD
            last edited by 7 Aug 2008, 17:28

            Tinanne, can you upload a part of the model that exhibits this? I can take a look.

            Cheers,

            - Craig
            

            Google SketchUp

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            • C Offline
              Chris Fullmer
              last edited by 7 Aug 2008, 17:36

              Quite possibly the setting is in the shadows dialogue box. It gives you a light and dark slider. They are set at default to 80% on light an 20% on dark. If you turn them down to darker, the whole model gets darker. Its only visible when shadows are on or when you also select "Use sun for shading". Try that,

              Chris

              Lately you've been tan, suspicious for the winter.
              All my Plugins I've written

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              • T Offline
                tinanne
                last edited by 7 Aug 2008, 17:37

                I've attached two files. A finished rendering with the "original" colors (although modified through PP) and the file I'm having trouble with. The reason this is a problem is I have some revisions to make and this color change is making that difficult.
                original-colors.jpgcolor problem.skp

                Executive Director : American Society of Architectural Illustrators
                AIP 30 Competition opens soon. ASAI.org

                Architectural Rendering

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                • C Offline
                  Chris Fullmer
                  last edited by 7 Aug 2008, 17:38

                  Another variation is that you could have been working w/o the sun shading the model, then changed the time of day to a time when the sun wouldnt be out bright. Then turned on "Use Sun For Shading". That would also make your model go from bright to dark rather quickly.

                  Chris

                  Lately you've been tan, suspicious for the winter.
                  All my Plugins I've written

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                  • T Offline
                    tinanne
                    last edited by 7 Aug 2008, 17:39

                    @chris fullmer said:

                    Quite possibly the setting is in the shadows dialogue box. It gives you a light and dark slider. They are set at default to 80% on light an 20% on dark. If you turn them down to darker, the whole model gets darker. Its only visible when shadows are on or when you also select "Use sun for shading". Try that,

                    Chris

                    Thanks Chris. I did think of that and that wasn't it 😞

                    Executive Director : American Society of Architectural Illustrators
                    AIP 30 Competition opens soon. ASAI.org

                    Architectural Rendering

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                    • T Offline
                      tinanne
                      last edited by 7 Aug 2008, 17:40

                      @chris fullmer said:

                      Another variation is that you could have been working w/o the sun shading the model, then changed the time of day to a time when the sun wouldnt be out bright. Then turned on "Use Sun For Shading". That would also make your model go from bright to dark rather quickly.

                      Chris

                      😞 tried that too

                      Executive Director : American Society of Architectural Illustrators
                      AIP 30 Competition opens soon. ASAI.org

                      Architectural Rendering

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                      • C Offline
                        Chris Fullmer
                        last edited by 7 Aug 2008, 17:45

                        I definitely got it brighter by going to noon on 6/21 and upping the light to 100% and sliding the dark up to 45 -100 (too bright). So I think play with that. Good luck,

                        Chris

                        Lately you've been tan, suspicious for the winter.
                        All my Plugins I've written

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                        • T Offline
                          tinanne
                          last edited by 7 Aug 2008, 17:51

                          Thanks Chris. You are right, that makes it lighter, but really throws the colors way out. I'm trying to find the RGB values from PS, but still not have the best luck, but at least it's closer. Thanks for looking at it πŸ˜„

                          Executive Director : American Society of Architectural Illustrators
                          AIP 30 Competition opens soon. ASAI.org

                          Architectural Rendering

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                          • G Offline
                            Gaieus
                            last edited by 7 Aug 2008, 17:53

                            I noticed some weird thing while playing with the shadow settings (generally speaking I could get it darker as well but I don't know how it should originally look).

                            So in the top right corner of the model, there is a face that changes colour when you toggle display shadows on/off (does not when toggle use sun for shading). It is definitely not a shadow but the brown colour it is next to. I wonder how you made it Tina!

                            Gai...

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                            • T Offline
                              tinanne
                              last edited by 7 Aug 2008, 18:08

                              @gaieus said:

                              So in the top right corner of the model, there is a face that changes colour when you toggle display shadows on/off (does not when toggle use sun for shading). It is definitely not a shadow but the brown colour it is next to. I wonder how you made it Tina!

                              I saw that too! Weird.. I think I'm going to have to give up trying to figure it out and just start over. bummah!

                              Executive Director : American Society of Architectural Illustrators
                              AIP 30 Competition opens soon. ASAI.org

                              Architectural Rendering

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                              • DavidBoulderD Offline
                                DavidBoulder
                                last edited by 7 Aug 2008, 18:52

                                Looks like the odd surface at top right has two surfaces on top of each other. Delete one of them and everything is normal again.

                                Don't have any insight on how your colors could have changed. It would be better for us to look at your previous raw export vs. the Photoshoped file. One thing to keep in mind is that SketchUp exports un-tagged images which I believe are srgb just not tagged as such. Depending upon your color settings in Photoshop it may be displaying it as if it was adobeRGB or something else?

                                It is annoying that SketchUp doesn't let you pick RGB values (at least on mac, unless I'm missing it) but there could be workaround. Just save color patch out from Photoshop; making sure that it is an srgb image. Then import that into SketchUp as a texture. Then oddly, go to edit the texture and remove texture (not the actual material, just the applied texture), it will then fall back to a color that I assume will be good rgb value match. I have not tested this, but do know if you take brick and throw it away, it converts to same color that showed if you had been viewing model with textures off.

                                --

                                David Goldwasser
                                OpenStudio Developer
                                National Renewable Energy Laboratory

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                                • T Offline
                                  tinanne
                                  last edited by 7 Aug 2008, 19:00

                                  Thanks David. This is good advice.

                                  I pretty much just started over and re-did the colors. It's not exact to what it was but it'll do. I should have just done that to begin with but I started on a rant of "this shouldn't be". Well as my sister would say "shoulda, coulda, woulda... get over it" I just wasted 2 days of what took me 30min to just adjust the colors to something close. Some lessons are expensive....

                                  Executive Director : American Society of Architectural Illustrators
                                  AIP 30 Competition opens soon. ASAI.org

                                  Architectural Rendering

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                                  • C Offline
                                    Chris Fullmer
                                    last edited by 7 Aug 2008, 19:21

                                    Well, glad it worked out in the end. Hopefully you were able to get it back to a close approximation of the color.

                                    David, I know that the PC and Mac interface is different, but on the PC, ni the material editor you can set material color by RBG. I attached a screenshot of where the setting is. But again, it might be different on a Mac.

                                    Chris


                                    SUrgb.jpg

                                    Lately you've been tan, suspicious for the winter.
                                    All my Plugins I've written

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                                    • C Offline
                                      CraigD
                                      last edited by 7 Aug 2008, 19:23

                                      That colored face that appears when Shadows is turned on is a duplicate face...just delete it and you'll see the same face below, but white. Then retexture it.

                                      I guess I'm not sure what the expected brightness of the colors should be... do you have a before and after shot?

                                      - CraigD
                                      

                                      Google SketchUp

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                                      • T Offline
                                        tinanne
                                        last edited by 7 Aug 2008, 19:31

                                        @craigd said:

                                        I guess I'm not sure what the expected brightness of the colors should be... do you have a before and after shot?

                                        I don't have a raw output of the colors, just what was done PP. Basically, I took a middle value color from the final and adjusted to that. It's not exact, but it'll have to work.

                                        Executive Director : American Society of Architectural Illustrators
                                        AIP 30 Competition opens soon. ASAI.org

                                        Architectural Rendering

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                                        • DavidBoulderD Offline
                                          DavidBoulder
                                          last edited by 7 Aug 2008, 20:24

                                          Chris, thanks for the screen shot. My mistake, and now that I think about it I new it was there in the past but stopped using it and forgot about it. Here is why I stopped using it. When I go to edit materials with the color wheel. I see a point that represents the current color, and I can make minor adjustments. I found that the sliders don't update to the current color so was fine for new colors but not tweaking existing ones.

                                          Looking at it now I see can choose Grayscale, RGB, CMYK, HSL sliders. Interesting next there is also a pulldown to choose a profile next to the slider, so If my photoshop document is AdobeRGB, I can choose adobe RGB profile before I enter color, and then if I switch to srgb. The color appearance won't change, but the numbers will. This is the first thing I've noticed in SketchUp that mentions color profiles.

                                          --

                                          David Goldwasser
                                          OpenStudio Developer
                                          National Renewable Energy Laboratory

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