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Obtaining axis for 'rotationAround' function

antlu65antlu65 Member Posts: 55 EDU
edited June 2022 in FeatureScript
Hi, newbie question, apologies if redundant.

Would like to use the 'rotationAround' function. How do I obtain the z axis (normal vector of the Top plane) for use as the 'line' parameter? I know I can obtain a Line with evLine(), but I'm not sure how to obtain a query that returns the z-axis.

EDIT: Ok, literally right after I posted this question, I typed the letter 'Z' and found the 'Z_AXIS' constant through the auto-complete menu. Lol.

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    Evan_ReeseEvan_Reese Member Posts: 2,064 PRO
    Answer ✓
    haha sometimes it's like that. You mentioned evLine, which is a function to evaluate a query (like an edge you could pick) and return a line, which isn't what I think you needed. If you need an axis not on the origin, all you need is the line() function which takes a vector and direction. If you look at the documentation for Z_AXIS you'll see it's identical to using the line function. 
    line(vector(0, 0, 0) * meter, vector(0, 0, 1))

    Evan Reese / Principal and Industrial Designer with Ovyl
    Website: ovyl.io

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    Evan_ReeseEvan_Reese Member Posts: 2,064 PRO
    Answer ✓
    haha sometimes it's like that. You mentioned evLine, which is a function to evaluate a query (like an edge you could pick) and return a line, which isn't what I think you needed. If you need an axis not on the origin, all you need is the line() function which takes a vector and direction. If you look at the documentation for Z_AXIS you'll see it's identical to using the line function. 
    line(vector(0, 0, 0) * meter, vector(0, 0, 1))

    Evan Reese / Principal and Industrial Designer with Ovyl
    Website: ovyl.io
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    antlu65antlu65 Member Posts: 55 EDU
    Thanks for the tip! I've seen some of your company's YT segments on OnShape (I think that's what encouraged me to start learning it in the first place). You guys do amazing work! =)
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    Evan_ReeseEvan_Reese Member Posts: 2,064 PRO
    antlu65 said:
    Thanks for the tip! I've seen some of your company's YT segments on OnShape (I think that's what encouraged me to start learning it in the first place). You guys do amazing work! =)
    No way! Glad to hear it was helpful
    Evan Reese / Principal and Industrial Designer with Ovyl
    Website: ovyl.io
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