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doc:user:geometry:user:courbes

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doc:user:geometry:user:courbes [2015/01/07 17:32]
boman [Arc]
doc:user:geometry:user:courbes [2015/01/26 12:13]
joris
Line 10: Line 10:
 {{ doc:user:doc-courbe.png?300 |}} {{ doc:user:doc-courbe.png?300 |}}
  
-===== Line: straight segment =====+===== Line: Straight Segment =====
  
-{{ doc:user:doc-droite.png|}}+{{ doc:user:doc-droite.png |}}
  
 A ''Line'' (line segment) is defined with its two vertices. A ''Line'' (line segment) is defined with its two vertices.
Line 24: Line 24:
 ===== Arc: Arc of Circle =====  ===== Arc: Arc of Circle ===== 
  
-{{ doc:user:doc-arc.png|}}+{{ doc:user:doc-arc.png |}}
  
 An ''Arc'' of circle is defined using three points, as shown on the figure. An ''Arc'' of circle is defined using three points, as shown on the figure.
Line 37: Line 37:
 ===== Cubic Spline ===== ===== Cubic Spline =====
  
-{{ doc:user:doc-spline.png|}}+{{ doc:user:doc-spline.png |}}
  
 ==== "Open" Cubic Spline ==== ==== "Open" Cubic Spline ====
  
   spl = curveset.add( CubicSpline(number, [pt1, pt2, pt3, pt4]) )    spl = curveset.add( CubicSpline(number, [pt1, pt2, pt3, pt4]) )
-  spl.useLsTangent()    # tangents are calculated +  spl.useLsTangent()    # tangents are computed 
                         # using local reconstruction [DEFAULT]                         # using local reconstruction [DEFAULT]
-  spl.useLittTangents() # tangents are calculated +  spl.useLittTangents() # tangents are computed 
                         # using Litt/Beckers lectures                         # using Litt/Beckers lectures
                                              
Line 66: Line 66:
 where ''obj'' is a meshed object. where ''obj'' is a meshed object.
  
-===== Full Circle ===== +===== Circle: Full Circle ===== 
  
-{{ doc:user:doc-cercle.png|}}+{{ doc:user:doc-cercle.png |}}
  
 A circle is defined with its center and radius (this function is only defined in the $z=0$ plane) A circle is defined with its center and radius (this function is only defined in the $z=0$ plane)
Line 88: Line 88:
 A Non-Uniform Rational Basis Spline (N.U.R.B.S.) is defined as: A Non-Uniform Rational Basis Spline (N.U.R.B.S.) is defined as:
  
-{{ doc:user:doc-nurbs.png|}}+{{ doc:user:doc-nurbs.png |}}
  
   nur = curset.add( NurbsCurve(number) )   nur = curset.add( NurbsCurve(number) )
doc/user/geometry/user/courbes.txt · Last modified: 2016/03/30 15:23 (external edit)