Beveling an oil tank primitive

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  04 April 2013
Beveling an oil tank primitive

So I have an Oil Tank primitive that I've converted to polygons. When I go to bevel the outer edge, the wall separates from the top and bottom parts.

How do I get this to bevel as expected?
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  04 April 2013
You need to run the optimize command first. For some reason Cinema doesn't automatically weld caps when you make primitives or nurbs editable.
 
  04 April 2013
Originally Posted by AdamT: You need to run the optimize command first. For some reason Cinema doesn't automatically weld caps when you make primitives or nurbs editable.


I've always just taken this fact in stride, but now that it's brought up, it is a rather odd default behavior for collapsing oil tanks and cylinders.

In fact, after using C4D for 15+ years, I can't really think of a time I didn't have to optimize the vertices to weld the object as one.

Same annoying thing for collapsing Extrusions or sweeps... Anything with a cap, really.

Wonder if holding Alt or something during a collapse will optimize for you?
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  04 April 2013
This is due to the internal representation of the cylinder and oil tank primitives. It is technically
much more easy to generate the points where the caps and the "coat" meat twice rather
than reusing the points that have already been created while either of them has been
computed.

But I must agree, I've almost never needed the caps not connected to the rest of the body.
There are a bunch of scripts that do converting and optimizing in one step, but having a
built-in command to do so would be better. Making it the default behavior for the "make
editable" command, but holding shift will not optimize, or something like this.

Best,
-Niklas
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  04 April 2013
you can also use the connect modifier to collapse the object. it is a little bit faster, as
it is only one step, while connect & delete and optimize are two.
 
  04 April 2013
@littledevil: Create "Connect Object" and then "Make Editable" is also two steps, or am I
missunderstanding the work-flow?
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  04 April 2013
connect & delete does not (point) optimize your mesh. but you are right, an oil tank
primitive does not return multiple objects on collapsing the object, so this does only
apply to the nurbs caps scenario.

however, i bet i am still a bit faster with the connect object

1. collapse shortcut, point mode(mouse with default keybinds), context menu(mouse), optimize

vs

2. alt + connect object(mouse), collapse shortcut
 
  04 April 2013
You can strip the "Points Mode" from the equation. I agree, this can indeen be faster
when having problems navigating to the "Optimize" command, and especially when the
generator produces more than one object (like the ExtrudeNURBS for instance).

Nice catch!
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  04 April 2013
Even easier:

download script -- http://www.3danvil.com/tutorials/Ma...nd_Optimize.zip

and reassign the C hotkey to it.

Make editable and optimize in one keystroke.

Last edited by AdamT : 04 April 2013 at 08:39 PM.
 
  04 April 2013
Export to ZBrush, dyamesh at 2000 resolution, re-import 4 million poly mesh.
That ought to do it.
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  04 April 2013
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