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How to construct a line from an intersection of a plane and the outside of a cylinder

dcoss
I have created a cylinder and a plane running parallel to the cylinder centerline. I want to create a line where the plane intersects the outside of the cylinder, on one side only. How can I do this?
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  • Level Z and origin xy on the cylinder, rotate X to the plane.
    To create the line on the good side, you could have to adjust ±PLN1.X and ±YLIN 

    ASSIGN/YLIN=CYL1.R*SIN(ACOS(PLN1.X/CYL1.R))
LIN1 =GENERIC/LINE,DEPENDENT,CARTESIAN,$
NOM/XYZ,<PLN1.X,YLIN,CYL1.Z>,$
MEAS/XYZ,<PLN1.X,YLIN,CYL1.Z>,$
NOM/IJK,<0,0,1>,$
MEAS/IJK,<0,0,1>,$
LENGTH/5,5
    ​

    If the plane isn't perfectly parallel to the cylinder axis, then the intersection should be a kind of parabola.
Reply
  • Level Z and origin xy on the cylinder, rotate X to the plane.
    To create the line on the good side, you could have to adjust ±PLN1.X and ±YLIN 

    ASSIGN/YLIN=CYL1.R*SIN(ACOS(PLN1.X/CYL1.R))
LIN1 =GENERIC/LINE,DEPENDENT,CARTESIAN,$
NOM/XYZ,<PLN1.X,YLIN,CYL1.Z>,$
MEAS/XYZ,<PLN1.X,YLIN,CYL1.Z>,$
NOM/IJK,<0,0,1>,$
MEAS/IJK,<0,0,1>,$
LENGTH/5,5
    ​

    If the plane isn't perfectly parallel to the cylinder axis, then the intersection should be a kind of parabola.
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