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    Modeling Trains - learning Sketchup

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    • hellnbakH Offline
      hellnbak
      last edited by

      Hmmmm....I've never used Layers. Thought about checking them out once or twice but never got around to it. I should probably put them on my list (just as soon as I find that dang list 😒)

      @Jim - Really nice detailing on your model. Would really like to see some hidden line shots

      "Politicians are just like diapers -- they need to be changed often, and for the same reason"

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      • LA_RR_ArchitectL Offline
        LA_RR_Architect
        last edited by

        Hello again,

        I believe I understand what you folks are saying about layers / components / base content and agree that it would work better if the base graphics were all on a single layer - why not Layer0?

        Are the following what you meant by hidden line images?

        usra060-1a.jpg
        usra060-2.jpg

        Perhaps it will also help to keep in mind that my first idea in developing this model was to create background information for a series of railroad historic buildings and structures. I knew I could download cars and so on off the net, but felt that if it's a railroad station, shouldn't there be a train of the correct type and vintage. For example, there was the bridge shown in the first image and below.

        bridge.jpg
        bridge-2.jpg

        Once I got started, well, there had to be box cars, hoppers, cobboses... you know how it goes.

        Thanks for looking

        Jim

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        • tademaT Offline
          tadema
          last edited by

          Welcome to the forum Jim. Great modeling 👍

          John

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          • DanielD Offline
            Daniel
            last edited by

            Beautiful modeling, Jim.

            My avatar is an anachronism.

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            • hazlettH Offline
              hazlett
              last edited by

              It looks real, Jim.

              web developer East London

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              • jo-keJ Offline
                jo-ke
                last edited by

                Great modelling!

                http://www.zz7.de

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                • hellnbakH Offline
                  hellnbak
                  last edited by

                  @la_rr_architect said:

                  Are the following what you meant by hidden line images?

                  Jim

                  Monochrome, yes, but with hidden lines turned on also. Helps give us an insight into your modeling techniques, something always of interest to your fellow modelers here.

                  "Politicians are just like diapers -- they need to be changed often, and for the same reason"

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                  • LA_RR_ArchitectL Offline
                    LA_RR_Architect
                    last edited by

                    Sure, no worries.

                    Here's a view with hidden geometry.

                    usra060-geometry.jpg

                    I think the modeling is pretty straight forward, but I certainly would be interested in feedback.

                    One challenge I really fought with and didn't totally solve was the fillet between the sand and steam domes and the top of the boiler. I calculated the intersection of the boiler and domes and used an offset from the intersection line to create a saddle shaped circular follow me tube, pushed it into place and manually deleted the less useful polygons.

                    A lot of effort for a less than totally compelling result.

                    One word about my modeling. I'm one of those old guys, in more ways than one, who would never use a power tool where a manual one will work. As a result, I've never used any of the Ruby extensions and seldom use warehouse components.

                    Anyhow, that's how I got here...

                    Jim

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                    • LA_RR_ArchitectL Offline
                      LA_RR_Architect
                      last edited by

                      ...here's a sub assembly from the tender as well. Perhaps it will also shed some light.

                      tender parts.jpg

                      From the Model statistics panel I see that the entire model has:

                      5 edges
                      178 components

                      And when nested components are shown:

                      2641 component instances
                      389,900 +/- edges
                      167,000 +/- faces

                      Jim

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                      • hellnbakH Offline
                        hellnbak
                        last edited by

                        Sounds like we have something in common - I too am one of those "old guys", and I use very few plugins/extensions. Do you really not use any of the extensions 😲 ?

                        One suggestion - I noticed that there are some reversed faces in your model. I don't render, but others have pointed out that reversed faces can adversely affect a render (plus it's generally considered good modeling practice to not have any of those pretty blue faces showing 😉 )

                        Really looking forward to seeing more of your outstanding work

                        "Politicians are just like diapers -- they need to be changed often, and for the same reason"

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                        • Bryan KB Offline
                          Bryan K
                          last edited by

                          Excellent modeling!

                          The renders looks a little dark on my monitor, however.

                          See my portfolio at https://delphiscousin.blogspot.com/

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                          • majidM Offline
                            majid
                            last edited by

                            @tadema said:

                            Welcome to the forum Jim. Great modeling 👍

                            John

                            +1 👍 , texturing is too clean and needs more attention IMO, it is too flat and clean.

                            My inspiring A, B, Sketches book: https://sketchucation.com/shop/books/intermediate/2612-alphabet-inspired-sketches--inspiring-drills-for-architects--3d-artists-and-designers-

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                            • pilouP Offline
                              pilou
                              last edited by

                              Very cool result! 😎

                              @unknownuser said:

                              I've never used any of the Ruby extensions

                              Maybe with them you should made 2 trains in the same time! 😉
                              It's good or bad, the same pleasure, i don't know! 😄

                              Frenchy Pilou
                              Is beautiful that please without concept!
                              My Little site :)

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                              • LA_RR_ArchitectL Offline
                                LA_RR_Architect
                                last edited by

                                Hello everyone,

                                Thanks for looking and your helpful, provocative observations.

                                Hellnbak, you’re correct, I have run into the occasional problem with back facing polygons and have been attempting to ferret them out of my models. The 060 was one of my first and has been reworked several times, but still a few backward faces… so it goes.

                                Bryan, Thanks and there’s probably no reason to start adjusting your monitor. These images are a tad dark. This occurs for two reasons. 3dMax and I are still pretty much on mutually suspicious terms and don’t entirely get along and also, I do like the effect of late evening or early morning light. I like the added redness, the way the low shadows fall on the model and to be honest, the reduced light which hides a fairly wild lack of detail on my models. At present, I’m working down to about 1 inch detail, I’m afraid that if I push things to the next level the size of my models will go up by an order of magnitude.

                                Majid, You’re are mostly right about the level of texture. In my defense, I again site my lack of intimate familiarity with Max but also claim that the goal of the images is not to create a hyper realistic image but rather to evoke the feeling of large scale railroading as seen in the photos made in the 30’s, 40’s and 50’s when large steam powered monsters roamed the earth. It is one reason I try not to get too close to my subjects.

                                One question that someone may be able to answer. If I model SU surfaces with textures, I can edit or change the texture in Max however if I use a solid color in SU all I can do with the imported file is change the color, I can’t apply a texture to it. Any idea what gives?

                                In any case, get ready for another dark image… really dark. This scene features a pair of locomotives at a cross track. The crossing is guarded by a signal tower (yellow building in the foreground) in order to minimize the chance of the obvious accident. The crossing and tower are generally historic. The scene is illuminated by the two locomotive’s headlamps and a handful of 60W bulbs.

                                Interlocking-tower.jpg

                                Thanks again everyone

                                Jim

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                                • LA_RR_ArchitectL Offline
                                  LA_RR_Architect
                                  last edited by

                                  Just added a new box car to my small and slowly growing collection of railroad equipment. It features an improved truck and more complete brake equipment.

                                  Pictures below.

                                  Jim


                                  AAR 40FT BOX 8 hl.jpg


                                  bettendorf truck-hl.jpg


                                  AAR 40FT BOX s.jpg


                                  SF Box 01.jpg

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                                  • Bryan KB Offline
                                    Bryan K
                                    last edited by

                                    Those look great! Are you working from engineering drawings?

                                    See my portfolio at https://delphiscousin.blogspot.com/

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                                    • LA_RR_ArchitectL Offline
                                      LA_RR_Architect
                                      last edited by

                                      Hi Bryan,

                                      Yes, I work from engineering drawings and photographs as I can find them. Most are partial sets of drawings either abstracted or redrawn for model builders. I look for drawings where there's enought dimensional and detail information go create a reasonable copy.

                                      Jim

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                                      • Bryan KB Offline
                                        Bryan K
                                        last edited by

                                        Thanks for the info Jim. Engineering drawings of any kind are always a big help.

                                        Looking good!

                                        See my portfolio at https://delphiscousin.blogspot.com/

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                                        • LA_RR_ArchitectL Offline
                                          LA_RR_Architect
                                          last edited by

                                          Hello again,

                                          In answer to the question that probably no one has asked: What do you do with a boxcar?

                                          I couple it into a train, in this case a string of mostly empties behind my switch engine.

                                          switch train.jpg

                                          And the switch train? Roll it into a scene and press the render button.

                                          trains035_03.jpg

                                          Yes, I know still kind of dark, but thanks for looking.

                                          Jim

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                                          • pbacotP Offline
                                            pbacot
                                            last edited by

                                            Very nice--cool and fun picturs. Yes I find your renders are dark and I wish to see the details better.

                                            MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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