I have a tube that has too many edge rings. I would like to reduce them with a 10:1 ratio or something similar. When I try and use a decimate modifier I get bad topology. Is there a non-manual way to do this?
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2$\begingroup$ Related: Select every other edge loop $\endgroup$ – gandalf3♦ Mar 30 '14 at 22:48
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In the upcoming 2.71 release there is a better way to achieve this.
- Select edge ring (Ctrl+Alt+RMB)
- Checker De-deselect, See note below!
- Select -> Edge Loops
- Mesh -> Delete -> Edge Loops
Note:
In 2.71 support has been added to deselect alternate edge-ring, See: https://developer.blender.org/T40324 This is detected automatically.
Previous answer, obsoleted by the method above
This is possible but a little cumbersome
- In vertex mode select a loop running along the length
- Select -> Checker De-seelct
- Hide
- Set edge mode
- Unhide
- Deselect the vertical loop
- Select -> Edge Loop
- Mesh -> Delete -> Edge Loop
Footnote, it may be worth adding a skip option to edge-ring select, which would make this only 2 steps.
answered Mar 30 '14 at 6:20
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$\begingroup$ A tool/option to select every nth edge/face ring would be awesome if it could be done ;) $\endgroup$ – gandalf3♦ Mar 30 '14 at 22:47
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2$\begingroup$ @gandalf3, probably we'd just add an option to the existing edge-ring select tool. $\endgroup$ – ideasman42 Mar 30 '14 at 22:50
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Try using the dissolve tool... its available in the same menu as the delete options...
1: select edge/vert 2: press X 3: select your dissolve option
this basically deletes the selected edge/vert without affecting the geometry around it (ie: remove an edge without deleting the connected faces and thereby joining them)
sorry I can't find a single step (automated) way to do this...
related docs:
http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.63/BMesh
answered Mar 29 '14 at 22:15
