Create Function by using "&&"

Revit
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1

Greeting. I am now working a task: replacing with new values depending on their original values.

As the picture below, I have two conditions:

  1. Change those equal or less 25 to 40
  2. Change those more than 25 but less then 32 to 50

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image1081×754 70.3 KB

I have succeeded into the first condition. However, I met difficulty in the second one. I made a research and found “&&” node is good for meeting two scenario. However “&&” is a bool output which cant be used in “ReplacebyCondition” node.

It would be great if you can provide me a solution. Thanks.

2

@TCKEAHY It would be much simpler to just use a nested if in a Code Block!

condition ? value if true : value if false

image

x>25 && x<=32 ? 50:
	x<=25 ? 40:
		"Not defined";
3

Thanks @AmolShah . It works.

I can see the potential of Code Block. There is a similar case that I have to repeat with a lot of same nude and I fail to use “list.create” as the “ReplaceByCondition” doesn’t support getting index. Could you teach me how to simply it by using Code Block?

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image1499×878 113 KB

1 Like
4

@TCKEAHY Try this:

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image968×776 82.3 KB 

DSCore.String.StartsWith(fn,sw[0],false)?ft[0]:
DSCore.String.StartsWith(fn,sw[1],false)?ft[1]:
DSCore.String.StartsWith(fn,sw[2],false)?ft[2]:
DSCore.String.StartsWith(fn,sw[3],false)?ft[3]:
DSCore.String.StartsWith(fn,sw[4],false)?ft[4]:
DSCore.String.StartsWith(fn,sw[5],false)?ft[5]:
"Not a match";
5

@AmolShah Thank you very much.

Last question, where could I learn to use those script structure which correspond to Dynamo Node? (It is a shame that Dynamo doesn’t provide it)
Such as: if Node = condition ? value if true : value if false

It would be helpful since I can study first before asking on forum.

1 Like
6

@TCKEAHY There are quite a few resources on DesignScript. Search through the forum and you will uncover it. To start with you can look into these:

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