houdini1987 Posted June 4, 2014 Share Posted June 4, 2014 Hello Everyone,I am facing a weird issue inside Houdini 13 build 260. I think its a bug with backtick but not sure.I created a curve with 4 points and I am trying to translate last point in -z and -y by one unit . I am using backtick operation on that point with expression $NPT-1 . Its working fine and doing what I expect. I dont understand why its giving me red error even operation is correctly working on point.I tried to ignore but I cant merge this as this error transfers to further nodes resulting in failure. I attached the screenshot. I hope I am able to make my problem clear enough for you all to understand.PS: Error message--> Unable to evaluate expression (Bad data type for function or operation(/obj/line_test/xform1/group))Thanks.. line_test.hip Quote Link to comment Share on other sites More sharing options...
loopyllama Posted June 5, 2014 Share Posted June 5, 2014 according to the help on the Transform Sop NPT is not a local variable. This is why you get an error. instead do something like `npoints("../curve1")-1` Quote Link to comment Share on other sites More sharing options...
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