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Re: transparent layer?



On Wednesday, 16 October '02, Luis A. Escobar wrote:
> I am new to Dia. I have three questions
> 
>   1) Other than the documentation included in the distribution
>   is there a book with example to learn to use the system?

There is some documentation available from the Dia website
<URL:http://www.lysator.liu.se/~alla/dia/dia.html>.

>   2) Does anybody know of a site where I can see Dia used
>       to illustrate set operations (unions, intercepts, complements,
>       etc)?

Nope.

>   3)  I want to overlap two elipses and see the hidden boundary of the
>        ellipse that is on the bottom. What is the process to get it done?
>        Some kind of transparent layer?
> 
>        I have overlapped the elipses but I can't see the boundary of the
>        one at the bottom.

You can set the topmost ellipse to not draw background (double-click to get
properties dialog, unselect 'Show Background').  Unfortunately, we don't
have patterned background or semitransparency yet.

Dia cannot do union and intersection of objects in the way CAD programs
do.  You may be able to get a good effect using the Beziergons.

-Lars

-- 
Lars Clausen (http://shasta.cs.uiuc.edu/~lrclause)| HŚrdgrim of Numenor
"I do not agree with a word that you say, but I   |----------------------------
will defend to the death your right to say it."   | Where are we going, and
    --Evelyn Beatrice Hall paraphrasing Voltaire  | what's with the handbasket?



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