GnuPlot-area marked by filledcurve Post: 302643621

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Top Forums Shell Programming and Scripting GnuPlot-area marked by filledcurve Post 302643621 by bakunin on Sunday 20th of May 2012 05:14:34 AM

05-20-2012

Registered User

I don't know if the following code is meant to be GNUplot-internal commands or shell commands. I don't use GNUplot. If it is the former the thread should be transferred to Unix and Linux Applications/ as it is applications-related.

As long as i don't know i will treat the following as shell code.

Quote:

Originally Posted by IMPe

Code:

#Sektor Inden --> Anfang <--> Ende
SIa(x)=212
[....]
plot 'PATH/mete.txt' using 1:3 t 'WR' w l lt 3 lw 1 lc rgbcolor "#0000ff", \
    SIa(x) w l lt 3 lw 1 lc rgbcolor "#800080",\
    SIe(x) w l lt 3 lw 1 lc rgbcolor "#800080",\
    SHa(x) w filledcurve above y1=64 l lt 3 lw 1 lc rgbcolor "#800080",\
    SHe(x) w filledcurve below y1=122 l lt 3 lw 1 lc rgbcolor "#800080"

The first line is faulty because shell variables can't be named that way and "SIa(x)" is not a valid name. Have a look at the man page of the shell you are using (most likely man ksh or man bash) abount which characters are allowed and which aren't.

The second line uses (again!) variables without expanding them, as you have been told already in this thread.

If you want to use arrays (which is possible in ksh) you have to do it this way:

Code:

var[1]="abc"             # definition
var[2]="def"
var[3]="ghi"

echo ${var[1]}           # usage 1 - fixed indexes
echo ${var[2]}
string="${var[1]}${var[2]}"

i=1                      # usage 2 - indexed by a variable
while [ $i -le 3 ] ; do
      echo ${var[$i]}
     (( i += 1 ))
done

# specialities: handle the complete array

number_of_elements=${#var[*]}
echo $number_of_elements

echo "print whole arrays content: " ${var[@]}
echo "print whole arrays content: " ${var[*]}

I hope this helps.

bakunin

bakunin

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xcleararea

XClearArea(3X11)						     MIT X11R4							  XClearArea(3X11)

Name
       XClearArea, XClearWindow - clear area or window

Syntax
       XClearArea(display, w, x, y, width, height, exposures)
	  Display *display;
	  Window w;
	  int x, y;
	  unsigned int width, height;
	  Bool exposures;

       XClearWindow(display, w)
	  Display *display;
	  Window w;

Arguments
       display	 Specifies the connection to the X server.

       exposures Specifies a Boolean value that indicates if events are to be generated.

       w	 Specifies the window.

       width
       height	 Specify the width and height, which are the dimensions of the rectangle.

       x
       y	 Specify the x and y coordinates, which are relative to the origin of the window and specify the upper-left corner of the rectan-
		 gle.

Description
       The function paints a rectangular area in the specified window according to the specified dimensions with the window's background pixel or
       pixmap.	The subwindow-mode effectively is If width is zero, it is replaced with the current width of the window minus x.  If height is
       zero, it is replaced with the current height of the window minus y.  If the window has a defined background tile, the rectangle clipped by
       any children is filled with this tile.  If the window has background the contents of the window are not changed.  In either case, if expo-
       sures is one or more events are generated for regions of the rectangle that are either visible or are being retained in a backing store.
       If you specify a window whose class is a error results.

       can generate and errors.

       The function clears the entire area in the specified window and is equivalent to (display, w, 0, 0, 0, 0, If the window has a defined back-
       ground tile, the rectangle is tiled with a plane-mask of all ones and function.	If the window has background the contents of the window
       are not changed.  If you specify a window whose class is a error results.

       can generate and errors.

Diagnostics
       An	 window is used as a Drawable.

       Some numeric value falls outside the range of values accepted by the request.
		 Unless a specific range is specified for an argument, the full range defined by the argument's type is accepted. Any argument
		 defined as a set of alternatives can generate this error.

       A value for a Window argument does not name a defined Window.

See Also
       XCopyArea(3X11)
       X Window System: The Complete Reference, Second Edition, Robert W. Scheifler and James Gettys

																  XClearArea(3X11)