Need help creating a curved face
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If you turn on hidden geometry, you see the single faces and lines. If you look through 2 or more transparent faces, the tranparency is reduced accordingly and it looks darker. One possibility to reduce the overlapping parts is shown in this screencast...
[screenr:qn1nakwk]j4KN[/screenr:qn1nakwk]
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Carsten is showing you an excellent way of working with this, but it sort of highlights how simple and complex your question is. There is a simple answer to making the curve but that answer doesn't work for every situation. Much like anything, learning as much as possible about the different ways to do things will help you look around the corner to see how the wall is constructed.
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How about something like this for the method?
-Draw a curve for the centerline of the path of the airplane. I used a Bezier curve with 90 segments.
-Use the Polygon tool to draw a triangle. The upper two corners represent the airplane's wing tips.
-Select the curve and the face of the triangle.
-Run Follow and Rotate. I set the angle to -2.0 and left the scale at 1.0. So that creates a roll to the right of 2 degrees per segment for a total roll of 180 degrees along the length of the path. If you wanted a full 360 degree roll you might make the curve with 180 segments and with 2 degrees of roll per segment.
-Open the resulting group for editing.
-Select all of the geometry and use Soften/Smooth.
-Correct the face orientation as needed.
-Delete the two unneeded surfaces and their shared curve leaving the twisted ribbon. -
Nice and elegant solution, but it will have the same problem with transparent colors.
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What problem with transparent colors? I don't see why the color being darker when you're looking through two faces is a problem. It seems appropriate to me.
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I've marked the problematic part with a red circle in your image
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What's wrong with that? Why is that a problem? In a 3D world, there should be a darker area where you are looking through two surfaces. In a 2D image it's a visual cue that this is a 3D shape. There are a couple of alternatives that come to mind. Eliminate the surface so you only have the edges or draw it in 2D to begin with.
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Don't you get the unwanted effect from the second image if you zoom in?
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I think you'll find the unwanted effect is caused by too few segments in too tight a curve. You have to be realistic about what the geometry can cope with.
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@unknownuser said:
Don't you get the unwanted effect from the second image if you zoom in?
No.
And there isn't a line where your red dot is.
If you turn off Profiles, you don't get those edges.
With Profiles on you get those edges but with enough segments in the curves...
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