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Adding control points to a spine. How to do it?

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  • Adding control points to a spine. How to do it?

    Hi,

    I can't seem to find the buttons that add control points into a spine. "The manual says: Add or delete controls points by pressing the After or Before buttons on the Property Editor, or by pressing the delete key with a control point selected. If necessary, the entire spine can be resampled to achieve a more manageable set of control points."

    But I can't see them. Is this a feature limited to the more expensive version perhaps?

  • #2
    Hello,

    Switch into node edit mode (tab key or the button on the left of the tree window toolbar), select the branch you want to edit, then select a point in the curve that shows up. Those buttons referenced in the docs will be available in the property bar.

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    • #3
      Originally posted by Greg Croft View Post
      Hello,

      Switch into node edit mode (tab key or the button on the left of the tree window toolbar), select the branch you want to edit, then select a point in the curve that shows up. Those buttons referenced in the docs will be available in the property bar.
      Hi Greg. That right there, is the exact procedure that I followed. But I don't see any Before or After buttons in the property bar. Could you post a screen grab please? Perhaps I'm looking in the wrong place.

      Thank you.

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      • #4
        Make sure to select a control point (the big fat points) instead of the handles. Handles don't have all of the options of the actual control points.

        Including an image:
        Click image for larger version

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        • #5
          Thank you Greg. That's very strange. Here at home I am indeed seeing the property bar change to display the settings for the control point that gets selected. At work, when I select a control point, the property bar stays the same (ie. it just lists the properties for the selected node). I'll be sure to try that again when I return to the office. It also seems quite a bit faster to edit the control points. No freezing occurring. Which again is strange as the work machine in theory should be more powerful. I'm running v6.2.3 here and v6.2.2 at work, so first thing I'll do is make the upgrade.

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          • #6
            Originally posted by DutchDimension View Post
            Thank you Greg. That's very strange. Here at home I am indeed seeing the property bar change to display the settings for the control point that gets selected. At work, when I select a control point, the property bar stays the same (ie. it just lists the properties for the selected node). I'll be sure to try that again when I return to the office. It also seems quite a bit faster to edit the control points. No freezing occurring. Which again is strange as the work machine in theory should be more powerful. I'm running v6.2.3 here and v6.2.2 at work, so first thing I'll do is make the upgrade.
            Well, it definitely doesn't work for me under v6.2.2. Slow/freezing and no buttons visible.
            Still waiting for our IT dept. to update to v6.2.3 as the 'Updater' incorrectly reports that no updates are available. Probably stuck behind the company firewall.

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            • #7
              Hrmm, we didn't have any big bugfixes in that area I am aware of, but we did completely update our Mac build environment. Maybe that helped

              There is a way to reset the updater so it downloads all the updates again. You need to delete the Version.txt file. On Windows/Linux, this is in the App Data folder. On Mac, it sits in the updater app package contents in Contents/MacOS/. Maybe this will allow you to update correctly.

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              • #8
                Thanks Greg. I'll look into that.
                For now, my IT support staff have managed to upgrade me to v6.2.3. Unfortunately it did not resolve the slow/freezing behaviour when editing control points on the Mac Pro here at work.
                If it helps, the Macs here are running 10.6.8 and the hardware I'm using is as follows: 2x2.4GHz Quad, 16GB Ram, ATI Radeon HD 5870.
                My Macs at home run at least a version of 10.7.x.

                Please note, this slowness only manifests itself during the editing of the control points. Not during the hand drawing process (or any other part of SpeedTree for that matter).

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                • #9
                  Hi,
                  This is cool for adding control points. What about to reduce them?
                  Is there an option for setting manually how many control points a trunk/branch should have?

                  Many thanks
                  Maurizio

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                  • #10
                    Maurizio,

                    There are 2 ways to reduce the number of control points.

                    1. If the geometry is already made, the lowest amount of these points can be set by changing the value of 'Curve Fit Scalar' to zero.
                    However, if you still need less points than that then you can select the points and delete them manually.

                    2. If have not created your hand drawn geometry yet, then you can click on the 'Windows Properties' icon in the toolbar above the view port.
                    The options in the property menu will change accordingly. There, under the 'Hand Drawn' option, you will find the 'Absolute Spacing' control.
                    Increasing the spacing will force less control points being created when drawing the geometry.

                    I hope this helps.

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