Calculate Angles (in LDCad)


Calculate Angles (in LDCad)
#1
Hi all,

Is there a way to exactly calculate the angles the 1x5 beam and 1x10 brick make?
I kind of know how to do this in LDCad, but with these I don't know how.

I have done this by hand and eye, but I'd like it to be exact.


.png   CalculateAngles.png (Size: 25.41 KB / Downloads: 79)

Thanks!
Jaco van der Molen
lpub.binarybricks.nl
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RE: Calculate Angles (in LDCad)
#2
Never mind, I got it.
Suddenly remembered how to show info and work from 90 degree angles with a "helper" pin.

   

The only thing that I do not fully understand is the sequence to select the pins.
Selecting like I did I found the angles of the red triangle to be the ones I needed :-)
Jaco van der Molen
lpub.binarybricks.nl
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RE: Calculate Angles (in LDCad)
#3
Method to close a triangle in LDCad:
  • Select one "end" pin, then the matching articulation pin, then the other articulation pin and finally the last "end" pin.
  • Right click -> selection info -> display the information panel and triangle angles.
  • Choose either the red or green lines configuration depending on your needs.
  • Click on the box with matching outline color to copy values in clipboard.
  • Now select first articulation pin (to define rotation center) and parts belonging to first triangle arm.
  • Press Ctlr R to enter manual rotation, and paste clipboard in angle value. Eliminate the second value, as we are working with the first arm. Accept.
  • Select second articulation pin (to define rotation center for the second arm) and parts belonging to second triangle arm.
  • Press Ctlr R to enter manual rotation, and paste clipboard in angle value. Eliminate the first value, as we are working with the second arm. Accept.
  • Get rid of extraneous "end" pin(s).
...done!
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RE: Calculate Angles (in LDCad)
#4
(2017-05-12, 15:17)Philippe Hurbain Wrote: Method to close a triangle in LDCad:
  • Select one "end" pin, then the matching articulation pin, then the other articulation pin and finally the last "end" pin.
  • Right click -> selection info -> display the information panel and triangle angles.
  • Choose either the red or green lines configuration depending on your needs.
  • Click on the box with matching outline color to copy values in clipboard.
  • Now select first articulation pin (to define rotation center) and parts belonging to first triangle arm.
  • Press Ctlr R to enter manual rotation, and paste clipboard in angle value. Eliminate the second value, as we are working with the first arm. Accept.
  • Select second articulation pin (to define rotation center for the second arm) and parts belonging to second triangle arm.
  • Press Ctlr R to enter manual rotation, and paste clipboard in angle value. Eliminate the first value, as we are working with the second arm. Accept.
  • Get rid of extraneous "end" pin(s).
...done!

Thanks Philo for those steps.
My problem was only step one. I just go by much trial and error to find the right pins and select sequence.
The way you put it I understand! Thanks.

The rest I knew, but just forgot.
Jaco van der Molen
lpub.binarybricks.nl
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