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[Javier Arantegui <address@hidden>]

Hello,

El Viernes, 15 de Septiembre de 2006 11:06, address@hidden escribió:
> 1°) i can draw on the plot but cannot add a grid (what was on Joris's
> paper)

Don't know :-(


> 2°) i don't know how to resize the plot (in an image an dmore generally
> in the document)

I know one way to do it. Probably it's not the best way.

To resize a plot, put the cursor just after the image (the red line will have 
the same height than the image) and press once backspace, you will get on the 
screen this:

<postscript|<tuple|<raw-data>|ps>||||||>

Imagine that you want to reduce the size of your plot to 80% of the original 
size. In this case you must add *0.8 to that line:

<postscript|<tuple|<raw-data>|ps>|*.8|||||>

and press Enter.

You can distort the plot if you want:

<postscript|<tuple|<raw-data>|ps>|*.8|*.5||||>

In this cases *.8 is how the width of the image will change, *.5 the height. 
The rest are the left, lower, right and upper borders.


> 3°) with this function f(x)=(1-sqrt(1-x^2))*(x<1)+x*(x>1) (which is in
> first plot) there is this line linking the "two" functions which i don't
> want on the document.

Have you noticed that in your document you typed:

f(x)=(1-sqrt(1-x^2))**(x<1)+x*(x>=1)

instead of 

f(x)=(1-sqrt(1-x^2))*(x<1)+x*(x>=1)
?

Javier


-- 
Javier Arántegui
Dept. Tecnologia de Alimentos / Dept. of Food Technology
Universitat de Lleida / University of Lleida (Spain)
         
Tel. +34 973702595
Fax  +34 973702596
IM: Jabber - javier.arantegui (AT) jabberes.org
http://www.tecal.udl.es