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πŸ”Œ Quick Selection | Try Didier Bur's reworked classic extension that supercharges selections in SketchUp Download

Grass!

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  • U Offline
    utiler
    last edited by 26 Aug 2012, 23:16

    @jason_maranto said:

    Yep, at $195 that is a really nice solution for the user who wants more power than the $95 "stand-alone" SketchUp plugin, but doesn't need huge renders or network rendering. The really nice thing about that is it includes all of the Maxwell plugins free (including the SketchUp plugin) -- so you could use Maxwell with several different packages (as I do).

    I also found the Maxwell integration into Artlantis to be a rather interesting tidbit: http://www.artlantis.com/index.php?page=products/studio/news

    Best,
    Jason.

    I wasn't aware that I could have paid $195.00 for a 'never to expire' licence rather I believe the $95.00 option was only available when it was released.... I bit annoying that I have to now paid again. 😲

    purpose/expression/purpose/....

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    • J Offline
      jason_maranto
      last edited by 27 Aug 2012, 11:05

      Pay again? I'm not sure what you mean -- the license doesn't expire... none of them do.

      Best,
      Jason.

      I create video tutorial series about several 2D & 3D graphics programs.

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      • U Offline
        utiler
        last edited by 27 Aug 2012, 23:33

        I was reffering to this Jason but then realised that is was for education purposes.... my bad. 😳


        2012-08-28_0900.png

        purpose/expression/purpose/....

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        • P Offline
          pieterv
          last edited by 4 Oct 2012, 14:00

          Hello Jason,

          What's up? πŸ˜‰

          Can the grass in Maxwell 2.7 also be applied on more organic terrain in sketchup? I have tried but these "cracks" appear... Can you help me with this please? Thanks!

          http://www.citypixels.be/wp-content/uploads/2012/10/sloped-hill.jpg

          http://www.citypixels.be/wp-content/uploads/2012/10/simpel-huis-render-008.jpg

          This is my website:
          Citypixels - 3d Visualisatie Architectuur

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          • J Offline
            jason_maranto
            last edited by 4 Oct 2012, 14:18

            It can be used on such surfaces -- however there was a bug in the 2.7 release that revealed density control problems with subdivided surfaces. This was alleviated in the 2.7.10 release:

            http://support.nextlimit.com/display/maxwelldocs/2.7.10+release+notes

            301 Moved Permanently

            favicon

            (www.maxwellrender.com)

            Also, when working in Maxwell Studio it is best to stack several grass modifiers on one piece of geometry (to mix the randomization in several ways) -- which IMO gives a more naturalistic look. However this is a bit difficult to do in the current SketchUp plugin so I don't recommend you try it there.

            Best,
            Jason.

            I create video tutorial series about several 2D & 3D graphics programs.

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            • P Offline
              pieterv
              last edited by 4 Oct 2012, 14:22

              I'm sorry, I didn't write it right: I am actualy using 2.7.1 here

              This is my website:
              Citypixels - 3d Visualisatie Architectuur

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              • J Offline
                jason_maranto
                last edited by 4 Oct 2012, 15:09

                It could have something to do with the irregular shape and distribution of the subdivision. I just made a 10x10m patch (subd every 0.5m) using the sandbox tools and here is the initial result:
                subd_grasstest.jpg
                As you can see there is still some slight artifacting from the subdivisions, but not as bad as yours.

                To alleviate this I added a copy of the same geometry set .01m below the current surface with the same grass settings except the Density>Seed value set differently -- this is the only current way to "stack" grass modifiers like I would in Maxwell Studio, but as you can see it does the trick pretty well (aside from slower renders):
                subd_grasstest_alt.jpg
                I would definitely prefer to do these types of things in Maxwell Studio (for now) so as to avoid duplicate geometry (and all the render costs it incurs)... I typically stack 2-5 grass modifiers for any scene I'm doing with grass.

                Best,
                Jason.


                subd_grasstest.skp

                I create video tutorial series about several 2D & 3D graphics programs.

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                • P Offline
                  pbacot
                  last edited by 4 Oct 2012, 15:50

                  That looks great Jason. Can one add more variation in texture to create more randomness without the extra rendering load.

                  MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                  • J Offline
                    jason_maranto
                    last edited by 4 Oct 2012, 16:18

                    If you are talking about in the "sculpted" geometry, unfortunately not -- this is limited by the grass settings and random seed value.

                    If you are talking in Maxwell Studio then absolutely -- this is part of the reason for stacking modifiers. This way I can have several variations in materials (dry/dead grass, green grass, newshoots, etc.) and variations in the way the geometry is generated -- for instance: dead/dry grass is going to be much thinner and generally lower to the ground than green grass.

                    In this way some clumping variation can be added for mixed grass types (very common in more wild areas) -- the sky is the limit. Just remember that for each stacked modifier you want to reduce the density amount accordingly so as to not end up with too many blades.

                    Example: I have 1 modifier and conclude that a density of 4000 is sufficient -- if I add another modifier I should reduce both to a density of 2000 (or any balance that restores 4000 at the total number).

                    Best,
                    Jason.

                    I create video tutorial series about several 2D & 3D graphics programs.

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                    • P Offline
                      pieterv
                      last edited by 4 Oct 2012, 17:03

                      Hey Jason,

                      I was not able to reproduce what you did with the sandbox tool. Also, when I apply the grass tool/ texture on a flat surface, very visible straight lines appear. Am I doing something wrong here?

                      http://www.citypixels.be/wp-content/uploads/2012/10/simpel-huis-render-009.jpg

                      http://www.citypixels.be/wp-content/uploads/2012/10/maxwell-leren-gras-002.jpg

                      This is my website:
                      Citypixels - 3d Visualisatie Architectuur

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                      • J Offline
                        jason_maranto
                        last edited by 4 Oct 2012, 17:11

                        I've never seen anything like this before -- can you post a sample file for me to look at?

                        Best,
                        Jason.

                        I create video tutorial series about several 2D & 3D graphics programs.

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                        • J Offline
                          jason_maranto
                          last edited by 4 Oct 2012, 18:19

                          simpel-huis-3d-002.jpg
                          OK, so this was pretty easy to fix -- some of the issue was the way materials were used and (potentially) some of it was geometry.

                          Basically the main issue was the use of the grass MXM material -- that MXM should only be applied to the grass modifier itself -- the base geometry needs a completely different material... I used a simple solid brown "dirt" material here, but you can get as fancy with that as you want.

                          The next thing is you do not want the grass geometry to go beneath other objects (like the walkway slabs) or the grass may grow "through" them as well... Here I just went into your grass group and deleted any geometry below the slabs.

                          I also made some modifications to the main grass modifier but that was only for my aesthetics πŸ€“

                          I'll PM you the edited file so you can look it over.

                          Best,
                          Jason.

                          I create video tutorial series about several 2D & 3D graphics programs.

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                          • P Offline
                            pieterv
                            last edited by 4 Oct 2012, 19:24

                            Hurray! πŸ˜„

                            I was able to recreate this! πŸ˜„ Wow, this is a cool add-on to sketchup. Thanks a lot Jason, you are the best!

                            http://www.citypixels.be/wp-content/uploads/2012/10/hurray.jpg

                            This is my website:
                            Citypixels - 3d Visualisatie Architectuur

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                            • J Offline
                              jason_maranto
                              last edited by 4 Oct 2012, 19:29

                              Cool β˜€ I'm glad to help -- after all what else would I do with my SketchUp/Maxwell nerdyness πŸ€“

                              Best,
                              Jason.

                              I create video tutorial series about several 2D & 3D graphics programs.

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                              • P Offline
                                pieterv
                                last edited by 6 Dec 2012, 19:17

                                I can see that when I use a density or a length map for example, it is mapped to an area of 1m x 1m. Is there a possibility to map this a larger area, like 5m x 5m for example?

                                Thanks!

                                P

                                This is my website:
                                Citypixels - 3d Visualisatie Architectuur

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                                • J Offline
                                  jason_maranto
                                  last edited by 7 Dec 2012, 17:10

                                  In Maxwell Studio this can be done directly per map (one of the many advantages of Studio)

                                  In SketchUp you would need to alter the UV projection size -- do this via the context menu (for the group) under "Maxwell > UV Coordinates > Set Projection Size..."

                                  Smaller values scale the texture larger, larger values scale the texture smaller.

                                  Best,
                                  Jason.

                                  I create video tutorial series about several 2D & 3D graphics programs.

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                                  • P Offline
                                    pieterv
                                    last edited by 7 Dec 2012, 19:59

                                    Hey Jason,

                                    Thanks for the reply! I will try this.

                                    Best,
                                    Pieter

                                    This is my website:
                                    Citypixels - 3d Visualisatie Architectuur

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