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XSCH(1) 		    ALLIANCE Reference Manual			 XSCH(1)

NAME
     xsch - graphical schematic viewer

SYNOPSIS
     xsch  [-l	file_name]  [-xor] [-install] [-force] [-I input_format] [-slide
     file_name ...]

DESCRIPTION
     Xsch is a graphical schematic viewer. All functionnalities can be	accessed
     through  different menus.	Xsch works under Motif and X11r6.  When entering
     Xsch, the main window appears and shows 5 different menus on the  top  bar.
     These  menus  can	be  entered by simply clicking on the mouse left button.
     Here is the description of these menus.

     File      Open : load an existing file. Note that a file with the same name
	       and the extention .xsc can be used to attach special  colors  and
	       comments to all displayed objects (see below for details).
	       Quit : quit xsch.

     Edit      Identify : identify a selected object.
	       Connected : highlight a selected object.
	       Search : search an object by its name.

     View      Zoom : perform zoom in, zoom out, center, fit, refresh on figure.
	       Layer : select types of layers displayed.
	       Map : show cursor position in the entire figure.
	       Arrows : show arrows for moving at the grid step.
	       Grid : Set the X,Y step of the grid if displayed.

     Tools     Hierarchy : enable user to browse into the design hierarchy.
	       Message : display the last error messages

     Setup     Save  or  load  a user defined configuration of default displayed
	       menus.

SPECIAL KEYS
     +/-    Next or previous file in slide mode.

OPTIONS
     -l file_name
	    Load the file file_name (with or without extention)

     -xor   Two graphic cursor methods can be used, invert or xor.

     -force
	    this option force all graphical objects to be displayed.

     -install
	    Switch to a private color map.

     -I input_format
	    Specifies the input format (vst(5), al(5), vbe(5))

     -slide file_name ...
	    Enables slide mode, all specifies files will be displayed one by one
	    using keys +/- in the graphic window.

XSC FILE FORMAT
     # Example of .xsc file
     #
     # To attach a particular color and comment to a box :
     # B:box_name:color:comment
     # color is an integer from 0 to 32, or -1 for no_color
     # comment is a string
     B:my_box:0:this box should be blue
     B:another_box:-1:this won't change the box color
     #
     # To attach a particular color and comment to a net :
     # N:net_name:color:comment
     N:my_net:15:this net should be green
     #
     # To attach a particular color and comment to a connector :
     # C:connector_name:color:comment
     C:my_con:32:this connector should be red
     #
     # To attach a particular color and comment to a path :
     # P:from_name:net_name:to_name:color:comment
     P:my_con:my_net:my_box:15:this path should be green

ENVIRONMENT VARIABLES
     MBK_CATA_LIB
	    indicates the path to the read only libraries to be used.

     MBK_WORK_LIB
	    indicates the path to the read directory for the session.

     MBK_IN_LO
	    indicates the file format to be used.

     XSCH_PARAM_NAME (optional)
	    indicates the path to the parameter file used by Xsch.

     SEE ALSO
	    mbk(1), MBK_CATA_LIB(1), MBK_WORK_LIB(1), PAT(5), asimut(1)

ASIM/LIP6			September 1, 2000			 XSCH(1)

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