Re: [Plplot-general] Enter graphics output file name:

[Arjen M. <arj...@de...>]

Hello Gérard,

you can use the -o option to specify the filename or in your
program:

(plsfnam 'somefilename)

(Mind you, I did a bit of guess work here, as I do not program in LISP
myself)

Regards,

Arjen

On 2013-02-13 11:12, Gérard Robin wrote:
> When I run this program:
> 
> (defpackage :system-examples
>   (:use :common-lisp
> 	:cl-plplot-system))
> 
> (in-package :system-examples)
> 
> (defparameter gdev "xfig")  ; (was aqt) set this to the appropriate plplot
> device for your system
> 
> (defun my-make-array (dims)
>   (make-array dims :initial-element 0.0 :element-type 'float))
> 
> (defun plotparabol ()
>   (plsdev gdev)
>   (plinit)
>   (plcol0 1)
>   (plwid 1) 
>   (plenv -6 6 0 36 0 0)
>   (plcol0 2)
>   (pllab "(x)" "(y)" "y = x#u2")
>   (let ((x (my-make-array 121))
> 	(y (my-make-array 121)))
>   
>     (dotimes (i 121)
>       (let ((tmp (* 0.1 (- i 60)))) 
> 	       (setf (aref x i) tmp)
> 	       (setf (aref y i) (* tmp tmp))))  
> 
>     (plcol0 3)  ;; color de la courbe
> 
>     (plline x y))
> 
>   (plend))
> (plotparabol)
> 
> I get : Enter graphics output file name:
> 
> How can I avoid this message? what I want is that the result is automatically
> stored in a file whose name is given by the program.(say : parab1.fig)
> 
> Then I want to add the line in the program :
> 
> (run-program "/usr/bin/xfig" '("-nosp"  "parab1.fig"))
> 
> for the curve appears on the screen.
> 
> 
> 
> 
> 
> 
> 
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