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    [Plugin] Gradient Tools

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    • TIGT Offline
      TIG Moderator
      last edited by

      @pixero said:

      For a moment I thought you had found a way of making gradient materials...

      It simply reports the gradients of edges and faces and tags them - all edge/facetags can be relinked to an edge/face ob a menu click. They are put on their own layers for ease of management.
      The use it's intended for is reporting and controlling the gradients of landforms and paths - as you make adjustments you can relink and see if the falls are still acceptable - i.e. not too flat or too steep.
      You can also use it on roofs - checking that 'flat' roofs have adequate falls, tiled/slated/shingle roofs have suitable slopes and valleys etc are steep enough.
      The tool tags edges or faces as I found that sometimes you need edges like valley centerlines but it's possible to have a face with no edges directly up/down the gradient, then you need to tag the face gradient... 🤓

      [You can make Gradient Materials using a suitably graded Texture Image - see http://forums.sketchucation.com/viewtopic.php?p=149747#p149747 ]

      TIG

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      • TIGT Offline
        TIG Moderator
        last edited by

        Here's v1.3 20100814 A 'Relink ALL Tags' menu option has been added.
        http://forums.sketchucation.com/viewtopic.php?p=264130#p264130

        TIG

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        • TIGT Offline
          TIG Moderator
          last edited by

          @unknownuser said:

          @pixero said:

          For a moment I thought you had found a way of making gradient materials...

          Would it be possible to make this, TIG?

          See the link - it's already been done ? Or am I missing something ??

          TIG

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          • PixeroP Offline
            Pixero
            last edited by

            Sorry if I used the wrong word, but I was thinking of a procedural ramp texture.
            Something like this: http://www.pixero.com/tutorials_ramp.html

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            • F Offline
              frekky12
              last edited by

              Hello Tig,

              I'm new to this plugin and have just downloaded it and am trying to understand how the ratio is representing the gradient.

              Is there a way to represent this ratio in degrees?

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              • Dave RD Offline
                Dave R
                last edited by

                @frekky12 said:

                Hello Tig,

                I'm new to this plugin and have just downloaded it and am trying to understand how the ratio is representing the gradient.

                Is there a way to represent this ratio in degrees?

                It's a rise over run thing. 1:1 would be one unit of rise and one unit of run or 45°.

                You can get the angle using the yellow Protractor tool.

                Etaoin Shrdlu

                %

                (THERE'S NO PLACE LIKE)

                G28 X0.0 Y0.0 Z0.0

                M30

                %

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                • TIGT Offline
                  TIG Moderator
                  last edited by

                  My Roof tool also has a function to report the angle of a picked roof slope in degrees, A:12 and A:B format...

                  TIG

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                  • R Offline
                    rv1974
                    last edited by

                    TIG, many thanks for your efforts!
                    Could there be support for slopes in percent?

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                    • gullfoG Offline
                      gullfo
                      last edited by

                      optionally http://www.blocklayer.com/PitchAngle.aspx

                      Glenn

                      http://www.runnel.com

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                      • H Offline
                        huajiet
                        last edited by

                        Thanks TIG for this very handy plugin!

                        I'm barely Ruby-conversant but I'm trying to apply some modifications to your plugin. I have a few questions. Do refer to the attached image.

                        TIG_.png

                        1. I've been able to make the tags report the angle in degrees. How do I limit the tag to 1 decimal point?

                        2. As you might be able to tell from the image, the plugin is reporting the complementary angle (39.6.. degrees) instead of the actual angle of the pitch (50.3 deg, shown in the measurement box at the lower right). how do we rectify this in the script?

                        Thanks and regards,
                        HJ

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                        • TIGT Offline
                          TIG Moderator
                          last edited by

                          1. You can fix the number of decimal points in any float [into a string] thus:
                            ` num = 1.23456
                            dum = sprintf("%.1f", num)

                          >> "1.2"`

                          Here the .1f says 1dp and .3f would do 3dp...
                          To convert that string back into a float:
                          dum = sprintf("%.1f", num).to_f
                          There are many options to this Ruby method...

                          1. You seem to have it reporting the angle of the face's normal, you could just subtract it from 90 degrees ?
                            angle = 90.degrees - angle
                            then convert the angle from radians to degrees before fixing its dp's...
                            angle = angle.radians

                          TIG

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                          • H Offline
                            huajiet
                            last edited by

                            1. it works!

                            2. the problem seems to have righted itself. will keep your solution for reference in case it acts up again.
                              #EDIT: it seems the problems crops up when the slope's material is in back face.

                            Thanks TIG. You're a legend!

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                            • TIGT Offline
                              TIG Moderator
                              last edited by

                              The fix for that is to model properly !
                              Alternatively check norm=face.normal, then norm.z if it's <0 then norm.reverse!

                              TIG

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