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====RCC example via TGC====
 
====RCC example via TGC====
* An rcc primitive is a special form of a tgc, you can reproduce a right-circular-cylinder at vertex 0,0,0 with height 10, and a base and top of radius 1 (both in the XY plane):
+
An rcc primitive is a special form of a tgc, you can reproduce a right-circular-cylinder at vertex 0,0,0 with height 10, and a base and top of radius 1 (both in the XY plane):
** <code>in aaa.s tgc 0 0 0 0 0 10 1 0 0 0 1 0 1 1</code>
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<code>in aaa.s tgc 0 0 0 0 0 10 1 0 0 0 1 0 1 1</code>
  
* increasing the radius of the base and top to 5:
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increasing the radius of the base and top to 5:
** <code>in aaa.s tgc 0 0 0 0 0 10 5 0 0 0 5 0 5 5</code>
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<code>in aaa.s tgc 0 0 0 0 0 10 5 0 0 0 5 0 5 5</code>
  
 
====breaking down the command====
 
====breaking down the command====
* <code>in <name of primitive> tgc (base X, Y, Z) (height vector X,Y,Z) (ellipse base radius part A vector X,Y,Z) (ellipse base radius part B vector X,Y,Z) (top radius scalar C, restricted to same plane active in base part A) (top radius scalar D, restricted to same plane active in base part B)</code>
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<code>in <name of primitive> tgc (base X, Y, Z) (height vector X,Y,Z) (ellipse base radius part A vector X,Y,Z) (ellipse base radius part B vector X,Y,Z) (top radius scalar C, restricted to same plane active in base part A) (top radius scalar D, restricted to same plane active in base part B)</code>
  
 
====elliptic cones in either X or Y directions====
 
====elliptic cones in either X or Y directions====
* 5 in the X direction, 10 in the Y (same at the top)
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5 in the X direction, 10 in the Y (same at the top)
** <code>in aaa.s tgc 0 0 0 0 0 10  5 0 0 0 10 0 5 10</code>
+
<code>in aaa.s tgc 0 0 0 0 0 10  5 0 0 0 10 0 5 10</code>
* 10 in the X direction, 5 in the Y (same at the top)
+
10 in the X direction, 5 in the Y (same at the top)
** <code>in aaaa.s tgc 0 0 0 0 0 10 10 0 0 0  5 0 10 5</code>
+
<code>in aaaa.s tgc 0 0 0 0 0 10 10 0 0 0  5 0 10 5</code>

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