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    How Do I Minimise Clipping

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    • S Offline
      seasdes
      last edited by

      Pardon my ignorance. I should know better. However, I am finding that recently in SU8 Paid version that Guides tend to dissapear when I zoom in too close.I have played around with the Field Of View setting and use Perspective camera view.

      I would like feedback please as to settings that SU8 users implement to minimise clipping. Thanks.

      Walter

      Using Sketchup Pro 2019

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      • pbacotP Offline
        pbacot
        last edited by

        Try switching your settings for hardware acceleration. I've found it helps when the graphics are too sketchy. Doesn't sound like regular clipping issue, which has to do with entities too far from the origin, zooming at micro levels, or drawing in parallel projection.

        MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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        • CarrozzaC Offline
          Carrozza
          last edited by

          Apart from fiddling with field of view, as you did, I often have to zoom out to the whole scene and back in to get the clipping back to normal.

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          • S Offline
            seasdes
            last edited by

            Ok, I played with Hardware Acceleration. I had to leave it on otherwise SU8 slowed to a crawl.
            The development is on a rural block (about 10 acres) so I moved the model so that the house is at the origin. It is hard to tell whether clipping has improved.
            So how far away from the origin is too far so that clipping occurs. Are we talking hundreds of metres or kilometres.
            What Field of View settings are users using? My setting is 35mm.
            Clipping occurs when I am about 300 mm from the object is viewed. Is this acceptable? Am I being picky?
            Walter

            Using Sketchup Pro 2019

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            • S Offline
              seasdes
              last edited by

              @seasdes said:

              Ok, I played with Hardware Acceleration. I had to leave it on otherwise SU8 slowed to a crawl.
              The development is on a rural block (about 10 acres) so I moved the model so that the house is at the origin. It is hard to tell whether clipping has improved.
              So how far away from the origin is too far so that clipping occurs. Are we talking hundreds of metres or kilometres.
              What Field of View settings are users using? My setting is 35mm.
              Clipping occurs when I am about 300 mm from the object is viewed. Is this acceptable? Am I being picky?
              Walter

              Further development. Clipping becomes acceptable if the Field of View is set to 1. So I am wondering how do I determine what to set the Field of View setting to?
              Walter

              Using Sketchup Pro 2019

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              • TIGT Offline
                TIG Moderator
                last edited by

                If you have imported CAD data then you might have some geometry in a 'block' [now a component] that is miles away from the SKP origin and causing clipping issues.
                Most of the geometry might be sensibly located, BUT a tiny piece of geometry [even if it's hidden or on an off-layer] will be enough.
                Alternatively you might have a 'block' with the geometry where you expect BUT its origin [insertion-point] miles away.
                These are also fixable.
                To do these edits first ensure that all layers are 'on' and that hidden geometry is set to be also displayed under the View menu.

                For far off geometry... this is noticeable if the selected instance's bounding-box is bigger than its visible contents - edit a suspect component and select all of the geometry by using Ctrl+A [select-all], now reselect all of the needed geometry using a right-left fence whilst holding down Shift+Ctrl to remove that from the selection. If there are far of rogue objects an Entity Info dialog will list them. Press Delete to remove them.

                For far off insertion-points... set Model Info > Components to display axes.
                If any are shown miles away, or when you edit one its 'internal' axes appear far away, you can use the context-menu's 'change axes' on a selected instance - to bring it's axes/insertion-point back to somewhere sensible on the objects' geometry...

                TIG

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                • M Offline
                  Mental
                  last edited by

                  Just thought I'd mention another thing which can affect clipping. Cameras πŸ˜‰
                  I had an issue the other day when I've set up scenes with saved views and created cameras from them to copy across to another file. Straight after that my clipping planes went berserk. I've checked my cad imports, turned on all layers and components, deleted all unnecessary stuff for the sake of making clipping go but no avail. In the end i've found 2 layers linked to cameras which were called something like camera_fov. These represented the field of view of my cameras and for some reason they were about 10 times larger than my whole model making my model geometry's bounding box 10 times bigger and producing clipping issue as a result. As soon as i've got rid of cameras clipping was history πŸ˜‰

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                  • H Offline
                    Howard leslie
                    last edited by

                    Walter,
                    Clipping - its a real pain in the neck sometimes !!!
                    A few things to try / check on your model:

                    1. Are you working a long way away from the origin (0,0,0) ???
                      SU doesn't like this and it's one cause of clipping.
                      If this is the case in your model, turn all layers on, unhide everything, select all, group all, move all your geometry back towards the origin.

                    2. Does your model cover a large physical area ???
                      SU is not particularly keen on this either - again a cause of clipping.
                      Turn all layers on, unhide everything, check to see if you have any stray linework etc miles away from where you are working.
                      ............
                      Hope this helps
                      Regards
                      Howard L'

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