constructing a line

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  • Wes Cisco
    replied
    ?????

    Teresa,
    I have looked over your code, I do not know why you cannot construct a 3D line between any two points, but I also do not understand the rotation of alignment for each point. I am having trouble seeing in my mind what you are trying to do. Can you post a sketch or give a brief description of the part and feature in question?

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  • toffield
    replied
    Wes,

    I tried all the working planes and I still have the same error.

    Teresa

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  • Wes Cisco
    replied
    Workplane?!?!!!

    Teresa,
    Are you sure you are in the proper work plane for the software to "see" your points as a line? Try changing to a couple of different workplanes and see if one of them does not give you the line you need. HTH

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  • toffield
    started a topic constructing a line

    constructing a line

    3.5mr2

    I have taken 2 points and need to construct a line through them, but I keep getting the following error:

    CANNOT CONSTRUCT LINE:'BASE_LN'. FEATURES DO NOT INTERSECT/MATH
    DOES NOT CONVERGE

    I have inserted the code from my program. If anyone has any suggestions I would greatly appreciate the help.


    ************************************************** ************
    I HAVE TRANSLATED TO THE FIRST POINT, ROTATED NORMAL TO SURFACE
    LE_BASE =ALIGNMENT/START,RECALL_E_EC:as1806, LIST= YES
    ALIGNMENT/TRANS_OFFSET,XAXIS,-0.125
    ALIGNMENT/TRANS_OFFSET,YAXIS,-0.581
    ALIGNMENT/TRANS_OFFSET,ZAXIS,4.932
    ALIGNMENT/ROTATE_OFFSET,31.101,ABOUT,ZPLUS
    ALIGNMENT/END
    ************************************************** ************
    I TOOK THE POINT NOMRAL TO SURFACE
    LE_BS =AUTO/VECTOR POINT, SHOWALLPARAMS=NO
    THEO/0,0,0,-1,0,0
    ACTL/-0.0003,-0.0001,0.0001,-1,0,0
    TARG/0,0,0,-1,0,0
    RECALL/ALIGNMENT,EXTERNAL,as1806,D_E_EC:as1806
    MOVE/INCREMENT,-0.5,0,0
    MOVE/INCREMENT,0,1,0
    ************************************************** ************
    I TRANSLATED TO THE 2ND POINT, ROTATED NORMAL TO SURFACE
    TE_BASE =ALIGNMENT/START,RECALL_E_EC:as1806, LIST= YES
    ALIGNMENT/TRANS_OFFSET,XAXIS,0.272
    ALIGNMENT/TRANS_OFFSET,YAXIS,0.576
    ALIGNMENT/TRANS_OFFSET,ZAXIS,4.932
    ALIGNMENT/ROTATE_OFFSET,-47.628,ABOUT,ZPLUS
    ALIGNMENT/END
    ************************************************** ************
    I TOOK THE POINT NOMRAL TO SURFACE
    TE_BS =AUTO/VECTOR POINT, SHOWALLPARAMS=NO
    THEO/0,0,0,-1,0,0
    ACTL/0.0008,-0.0003,0.0001,-1,0,0
    TARG/0,0,0,-1,0,0
    RECALL/ALIGNMENT,EXTERNAL,as1806,D_E_EC:as1806
    ************************************************** ************
    I TRANSLATED TO THE 1ST POINT, AND ROTATED TO THE 2ND POINT
    A11 =ALIGNMENT/START,RECALL_E_EC:as1806, LIST= YES
    ALIGNMENT/TRANS_OFFSET,ZAXIS,4.932
    ALIGNMENT/TRANS,XAXIS,LE_BS
    ALIGNMENT/TRANS,YAXIS,LE_BS
    ALIGNMENT/ROTATE_CIRCLE,XPLUS,TO,LE_BS,AND,TE_BS,ABOUT,ZPLUS
    ALIGNMENT/END
    ************************************************** ************
    I TRY TO CREATE A LINE HERE AND IT GIVES ME THE FOLLOWING ERROR
    "CANNOT CONSTRUCT LINE:'BASE_LN'. FEATURES DO NOT INTERSECT/MATH
    DOES NOT CONVERGE"
    BASE_LN =FEAT/LINE,RECT,UNBND
    THEO/0,0,0,0.9874393,0.1538118,0.0361325
    ACTL/0,0,0.0001,1,0,-0.0000479
    CONSTR/LINE,BF,3D,LE_BS,TE_BS,,



    Thanks in advance
    Teresa

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