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Link Values Vs Equations

Question asked by Anvesh Pallabhatla on Mar 17, 2016
Latest reply on Aug 30, 2018 by Dan Pihlaja

Hi,

I've been having trouble understanding the difference between just entering an equation like =A into the modify dimension box to take advantage of the global variables I have previously set, and just setting the dimension in place, right clicking it and selecting "link values" and selecting the global variables from the drop down "shared values" list that shows all the global variables I had set.

Both of these options are incredibly similar. When I have a list of global variables like A=3, B=4.5, C=1 and then I draw a rectangle there are two ways to go about applying these global variables to the edges. The first way would be to select the smart dimensions tool and pick a line, let's say the right vertical line. You set the dimension and type "=A" into the modify box. The line will now be 3 tall. The other way to do it would be to set the dimension down, right click it and select "link values" from the drop down list that pops up next to the mouse. The "shared values" dialog box pops up and you select the global variable A from the drop down arrow. The value is now linked to the global variable.

In both cases, you can change the size of the dimension simply by editing the value of the global variable by right clicking the equations folder in the feature tree and selecting "manage equations." I fail to see the difference between the two methods.

I also just figured out that the link values option not only applies to global variables, but you can also use it to make one dimension update based off the value of another dimension. Is this really what its for? The reason I have any confusion about this in the first place is because I am studying for the CSWP and the book I am studying with had me use link values with the global variables. Something that seems a little too similar to just straight out typing "=A" or something.

 

I have the same like above, so I copied this question from Reddit.com.

 

Thanks In Advance.

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