Pierce a Plane with a Circle

Can you pierce a plane with a Circle? I have a radius that meets a plane and I need the intersection point. Thanks!

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No, you can't pierce a plane with a circle. You may be able to do it by turning the hits of the circle into a curve but that curve would have to actually pass through the plane surface - if the curve and the plane surface are coincident or separated slightly it won't work.

CIR1       =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<-108.585,50.8,-225.55>,<0,0,1>,44.45,0
            ACTL/<-108.585,50.8,-225.55>,<0,0,1>,44.45,0
            TARG/<-108.585,50.8,-225.55>,<0,0,1>
            START ANG=0,END ANG=360
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=YES
              NUMHITS=10,DEPTH=0,PITCH=0
              SAMPLE METHOD=SAMPLE_FEATURE
              SAMPLE FEATURE=NONE
              AVOIDANCE MOVE=BOTH,DISTANCE BEFORE=10,DISTANCE AFTER=10,DIRECTION=ALONG FEATURE VECTOR
              FIND HOLE=DISABLED,ONERROR=NO,READ POS=NO
            SHOW HITS=NO
            MOVE/POINT,NORMAL,<-108.574,60.8,-215.55>
PLN1       =FEAT/PLANE,CARTESIAN,OUTLINE
            THEO/<-108.563,55,-223.261>,<0,1,0>
            ACTL/<-108.563,55,-223.261>,<0,1,0>
            MEAS/PLANE,4
              HIT/BASIC,NORMAL,<-146.404,55,-216.919>,<0,1,0>,<-146.404,55,-216.919>,USE THEO=YES
              HIT/BASIC,NORMAL,<-144.908,55,-231.066>,<0,1,0>,<-144.908,55,-231.066>,USE THEO=YES
              HIT/BASIC,NORMAL,<-70.095,55,-230.566>,<0,1,0>,<-70.095,55,-230.566>,USE THEO=YES
              HIT/BASIC,NORMAL,<-72.846,55,-214.493>,<0,1,0>,<-72.846,55,-214.493>,USE THEO=YES
            ENDMEAS/
SCN1       =FEAT/SET,CARTESIAN
            THEO/<-107.207,65.85,-224.556>,<0,0,1>
            ACTL/<-107.207,65.85,-224.556>,<0,0,1>
            CONSTR/SET,BASIC,CIR1.HIT[..],,
CRV1       =FEAT/CURVE,DEPENDENT,12,10,TOLERANCE,0
            THEO/61.368
            MEAS/61.368
            CONSTR/CURVE,SCN1,,
PNT1       =FEAT/POINT,CARTESIAN,NO
            THEO/<-86.761,55,-224.556>,<0,1,0>
            ACTL/<-86.761,55,-224.556>,<0,1,0>
            CONSTR/POINT,INT,CRV1,PLN1

Reply

Neil Challinor over 1 year ago

CIR1       =FEAT/CONTACT/CIRCLE/DEFAULT,CARTESIAN,OUT,LEAST_SQR
            THEO/<-108.585,50.8,-225.55>,<0,0,1>,44.45,0
            ACTL/<-108.585,50.8,-225.55>,<0,0,1>,44.45,0
            TARG/<-108.585,50.8,-225.55>,<0,0,1>
            START ANG=0,END ANG=360
            ANGLE VEC=<1,0,0>
            DIRECTION=CCW
            SHOW FEATURE PARAMETERS=NO
            SHOW CONTACT PARAMETERS=YES
              NUMHITS=10,DEPTH=0,PITCH=0
              SAMPLE METHOD=SAMPLE_FEATURE
              SAMPLE FEATURE=NONE
              AVOIDANCE MOVE=BOTH,DISTANCE BEFORE=10,DISTANCE AFTER=10,DIRECTION=ALONG FEATURE VECTOR
              FIND HOLE=DISABLED,ONERROR=NO,READ POS=NO
            SHOW HITS=NO
            MOVE/POINT,NORMAL,<-108.574,60.8,-215.55>
PLN1       =FEAT/PLANE,CARTESIAN,OUTLINE
            THEO/<-108.563,55,-223.261>,<0,1,0>
            ACTL/<-108.563,55,-223.261>,<0,1,0>
            MEAS/PLANE,4
              HIT/BASIC,NORMAL,<-146.404,55,-216.919>,<0,1,0>,<-146.404,55,-216.919>,USE THEO=YES
              HIT/BASIC,NORMAL,<-144.908,55,-231.066>,<0,1,0>,<-144.908,55,-231.066>,USE THEO=YES
              HIT/BASIC,NORMAL,<-70.095,55,-230.566>,<0,1,0>,<-70.095,55,-230.566>,USE THEO=YES
              HIT/BASIC,NORMAL,<-72.846,55,-214.493>,<0,1,0>,<-72.846,55,-214.493>,USE THEO=YES
            ENDMEAS/
SCN1       =FEAT/SET,CARTESIAN
            THEO/<-107.207,65.85,-224.556>,<0,0,1>
            ACTL/<-107.207,65.85,-224.556>,<0,0,1>
            CONSTR/SET,BASIC,CIR1.HIT[..],,
CRV1       =FEAT/CURVE,DEPENDENT,12,10,TOLERANCE,0
            THEO/61.368
            MEAS/61.368
            CONSTR/CURVE,SCN1,,
PNT1       =FEAT/POINT,CARTESIAN,NO
            THEO/<-86.761,55,-224.556>,<0,1,0>
            ACTL/<-86.761,55,-224.556>,<0,1,0>
            CONSTR/POINT,INT,CRV1,PLN1

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