How to use "if" function in relation of parameter.

[NitinSheladiya]

Dear PTC,

I make spring model & it's drawing.It's all dimensional parameter are joined by relation.

But in relation, i want to use "if" function for spring wire guage. so, how i can use "if"

function. please reply.

thanks,

Nitin Sheladiya

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[GT2014]

Nitin see picture

[KiranJ.]

Picture given by Graham explains very well.

In addition to that, conditions starts with 'IF' and should end with 'ENDIF' otherwise relation fails. when you use 'IF' multiple times in one condition, you also have to use 'ENDIF' same no. of times. otherwise your relation will fail.

Like, if OD = ID

if OD > ID

R=1

endif

endif

I would recommend using ELSE statement since mostly it calls for original parameters. If condition doesnt work, then 'ELSE' statement calls the original parameters/condition.

R=2

if OD > ID

R=1

else,

R=2 (original value)

endif

hope this helps you.