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Re: from a 2d-figure to an interactive 3d model? is it possible with mathematica?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg126234] Re: from a 2d-figure to an interactive 3d model? is it possible with mathematica?
  • From: Tomas Garza <tgarza10 at msn.com>
  • Date: Thu, 26 Apr 2012 05:29:37 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com

If I understood correctly, the following piece of code would be the starting point. You'd just have to complete the symmetric triangle and fill in details like Text and nice embellishments.
Manipulate[Graphics[{Circle[{0,0},7],Line[{{h,-d},{h,-d},{h,d},{-h,d},{-h,-d},{h,-d}}],Line[{{h,-d},{h,-20},{20 Sin[30 Degree]-h,-20},{h,-d}}],Circle[{0,0},20]},PlotRange->{{-12,12},{-25,7.5}}],{{d,1},0.5,4},{{h,2},0.5,4}]

-Tomas

> Date: Wed, 25 Apr 2012 00:34:09 -0400
> From: lukewallace1990 at gmail.com
> Subject: from a 2d-figure to an interactive 3d model? is it possible with mathematica?
> To: mathgroup at smc.vnet.net
>
> http://postimage.org/image/jr35rwdel/
>
> the image above represents spacing rules for engineer stuff. if you
> look at it you will see the spacing can be summarized as:
>
> 1. 7 foot radius circle drawn around the center point of the
> rectangle. This never changes no matter what the dimensions of the
> rectangle. So we can ignore this.
>
> 2. On the south side of the rectangle, starting at the left and right
> corners, a 30 degree line is drawn (making a triangle ABC). Once the
> line reaches the 7 foot radius circle, it only goes 13 foot past it
> and then curves like a partial circle, keeping 20 feet maximum
> distance away from the center of the rectangle at all times. This
> changes if the rectangle size is manipulated.
>
> What I need is a way to put this into mathematica or some other
> program so I can make it interactive and say, okay my rectangle is 2
> foot long and 1 foot wide. Then the drawing would update and show what
> it looks like with that size rectangle, and then if someone needed the
> rectangle needs to be 3 foot long and 1.5 foot wide, it would auto
> update again without having to manually re-calculate by hand each
> time?
>


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