Python Geometry.Translate

Developers
1

Hello everyone,

I am trying to use the function “Geometry.Translate” with a Python node following the logic that I describe in the next screenshot:

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I think it is clear with the texts that I wrote in the screenshot showing the aim of the workflow.

Thank you and regards,

2

What have you attempted so far in python? You would just have a for loop adding to the original point and returning the new point at each iteration.

You could also probably do this with nodes using one of the iterative sum processes.

3

Hi @Nick_Boyts ,

Thank you so much for your reply.

I tried to insert a while loop and a for loop within the while loop but with no success. I made a counter and while the counter < length of the sublist, keep iterating.

I have to say that I am noob level and I started with Python a couple of weeks ago so I am still trying to get familiar with the easiest codes…

Thanks again.

4

Can you show us? It’s hard to give suggestions without seeing exactly what you’ve done so far.

5

@Nick_Boyts This is what I did so far…

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You can see above that I develop my codes in this compiler and then I copy and paste them into Dynamo Python nodes.

I know it is not aligned with the screenshot that I attached but I wanted to try with an easier approach and depending on the outcome that I get, move forward or keep trying until I get it done.

6

Morning @Nick_Boyts ,

I could get it done working for one single coordinate (xCoord) as the following image shows. The xCoordinateTranslation is following the logic that I posted in the first comment of the thread:

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Now, I need to expand the script in order to be able to work not only for xTranslation but also for yTranslation and zTranslation. To do so, I thought about use “zip” in line 16 and add more variables but I did not get the outcome that I expected :frowning:

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7

I ended up getting it :slight_smile:

It won’t probably be the cleaner method and syntax but as I am a noob…

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1 Like
8

Nice job!

You don’t have to worry about enumerating these lists in a for loop so you can simplify it a bit.

# Load the Python Standard and DesignScript Libraries
import sys
import clr
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

# The inputs to this node will be stored as a list in the IN variables.
dataEnteringNode = IN
points = IN[0]
x_list = IN[1]
y_list = IN[2]
z_list = IN[3]
out = []

for point,xs,ys,zs in zip(points,x_list,y_list,z_list):
    subOut = []
    for x,y,z in zip(xs,ys,zs):
        point = Point.ByCoordinates(point.X + x, point.Y + y, point.Z + z)
        subOut.append(point)
    out.append(subOut)

OUT = out

You could also do an iterative sum to build the values ahead of time and use nodes to get the same output.

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