Hi! I am struggling with organizing this point according to their y and z as shown in the red. Every time I use sort by they never are in the crescent order. Do you know how to do it? [image]

Hello @MariaLauraLeonardi like this [image]

Take a look at this: [image] 2021-05-06 SortPointsByZThenY.dyn (18.7 KB)

[image] Sorting points (by X and Y or natural) Revit I am going to try a sort with if x=x , sort by y and if y=y sort by x , but when the x or y values are not the same (sometimes its a couple of mm different) then it wont work I think… Update: Solved the problem with t…

Thanks a lot! Is the node that you used the same as this? [image] because I see a little difference

Yes, i am just in a newer version of Dynamo

Unfortunately is not working :frowning: [image]

Are your Z-Values and Y-Values rounded? If not maybe you can use a Math.Round node in between. (Then you need to change the List.SortByFunction node to List.SortbyKey and get your key inputs from your list (with a Math.Round in between). PS: you dont need to flatten / shuffle the list, i just adde…

Always round your values when comparing. Dynamo makes precision issues at longer decimal lengths.

Sort point with Y and Z coordinates

Geometry

MariaLauraLeonardi May 7, 2021, 11:09am 27

perfect! Thanks

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Sort point with Y and Z coordinates

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