OpenSCAD


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Re: OpenSCAD Digest, Vol 2, Issue 14

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trumpetto
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Re: OpenSCAD Digest, Vol 2, Issue 14

trumpetto
Hi,

On Sun, Jan 10, 2010 at 03:25:44PM +0100, trumpetto wrote:
> 1. Is it possible to add a random-function. I read you do not want to
> focus on any artistic aspects with OpenSCAD but I'd love to go there
> anyway :-)

hmm.. sure would it be possible. I'd guess you want a random function
that returns the same list of values for every recompile and is
configureable using a seed value, right? I've added that to the todo list.

Thanks! No hurry.

 

> 2. Is it possible to change the 'cylinder' so that its resolution is
> higher when its radius gets bigger, just like the sphere?

tghis is what happens already now. the bigger of the two radii of the
cylinder defines the number of facets.

When I use something like:
    cylinder(h = 10, r=25);
I always get 32 facets. No matter what radius I use.
It seems to stop after r=10 ...
What do I do wrong?
Or is this by design?
I sometimes only need part of the curve and then the resolutions is a bit low at 32 facets for the whole shape. 

> 4. Is it smart to use an alternative for the mailinglist so there is a
> online search-able archive created and the messaging gets a bit faster?
> For example [1]http://groups.google.com/ ?

I actually am pretty happy with a simple traditional mailing list..

OK with me. As long as you are happy :-)
 

> 5. How can I help? I started with some short pieces in the manual in
> wikibooks but I'd like to do some more. Shall I add the examples with
> pictures in the OpenSCAD user manual in wikibooks?

I think the documentation is the piece where the most help is needed atm.
examples with pictures would be a great improvement. Zach added pictures
for some of the primitives - but I'm sure there is still much room for
improvements..

I'll do that!

Thanks, Trumpetto
 
Philipp Tiefenbacher
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Re: OpenSCAD Digest, Vol 2, Issue 14

Philipp Tiefenbacher
On Sat, Jan 16, 2010 at 11:07 PM, trumpetto <[hidden email]> wrote:
> When I use something like:
>     cylinder(h = 10, r=25);
> I always get 32 facets. No matter what radius I use.
> It seems to stop after r=10 ...
> What do I do wrong?
> Or is this by design?
> I sometimes only need part of the curve and then the resolutions is a bit
> low at 32 facets for the whole shape.

the sections about Special variables should answer this question:
http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features

greetings
wizard23


--
:: Philipp Tiefenbacher
:: custom electronics/magic
:: http://www.wizards23.net

Any sufficiently advanced technology is indistinguishable from magic
--Arthur C. Clarke

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