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Take a look at your manual that came with the software. It has
some really good information on what you can do with relations.
It also has a command reference, which gives you all of the operators,
functions, etc. and what you can do with them.
Relations basically allow you to modify dimensions and set up create or
change parameters to drive your model. When you click on a part
to show it's dimensions, you can change the display to show the
symbolic dimension (ie - d0 in a part or d0:1 in an assembly).
Clicking this button will switch from showing the numeric dimension to
the symbolic dimension. You reference these symbolic dimensions
in your relations.
If you have a background in ANY programming language, you should be
able to figure out relations. Pro/E's relations are similar to
BASIC, with a much reduced feature set.
To access the relation editor, just click Relations > Edit Rel,
which will bring up a text editor. From there, you can start
editing your relations.
Here's little tip to help you if you don't already know. In your config.pro create a line new_relation_ui yes. If you are not sure how to do this you can also set this under Tools\Options, In the option section type new new_relation_ui and change the value there. This new relation window makes it much easier to work with relations and parameters. Play around a little with some of the commands here.
Another tip is to download PSPad. It is a configurable editor,
that lets you do syntax highlighting and such. It is a little
tricky to get set up, but once it is, it works great. I like it
more than the new relations ui. You can simply set it as your
text editor, once you get the syntax highlighting right.
I would post my syntax file, but our IT department is too anal and does
not even allow uploading ZIP files. Let mek now if you need it
and I can email it to you.
It isn't an approved PTC application, but works nicely for editing
relations. I like the fact that I can color code the code, so
that I can see where operators, parameters, etc are.
The new relation editor in Pro/E is nice, as it has some debugging features. But I like the color coding better.
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