Help with Image-Based Wall Perforation in Revit Using Dynamo

Revit
1

Hi all,
I am trying to play around with using an image to perforate a Revit wall in the model again I thought I had figured it out, but I’m still running into an issue where I can’t get the circles to scale down properly.

The Revit model is in feet, and ideally, I’d like the perforations to be around 2 inches in diameter. However, the script keeps generating them at a much larger scale.

Would anyone be willing to take a look at the script I’ve attached and let me know what I might be doing wrong? I’m still fairly new to Dynamo, so any guidance would be greatly appreciated.

Thanks in advance!

revit
revit1302×665 297 KB

perforated panel test.dyn (49.4 KB)

2

my guess is there’s something wrong with the output of Math.RemapRange. but cant really tell without ur image input.

1 Like
3

Hi, Thank you, Ive attatched the image

vecteezy_seamless-triangle-pattern-background-with-black-and-white_20617834-1
vecteezy_seamless-triangle-pattern-background-with-black-and-white_20617834-1346×173 5.26 KB

4

You’re just not converting from feet to inches. You’re mapping the new range to 1-1.75 feet instead of inches. Just divide those values by 12 and the perforations will be scaled correctly and you’ll be able to see the image pattern.

image
image1384×507 99.3 KB

A denser grid might help as well:

image
image1045×505 143 KB

3 Likes
6

Oh cool I did not know you can divide in this! Thank you thats awesome! What did you use for the grid size in the second image?

7

I just used half the spacing (250 instead of 500).

1 Like
8

thank you so much!