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GRID

Section: PD Piglet Users Manual (1P)
Updated: PD Piglet Users Manual
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NAME

GRID - Set grid spacing or turn grid on/off  

SYNOPSIS

GRI [ON|OFF] [:C<color>] <delta> <skip> [<xorig> <yorig>]]

GRI [ON|OFF] [:C<color>] <xdelta> <ydelta> <xskip> <yskip> <xorig> <yorig>  

DESCRIPTION

Modify the grid. If no arguments, will toggle the visibility of the grid. The visibility can be explicitly set with "GRI ON" and "GRI OFF". The grid color is set with ":C<color>", where <color> is an integer from 0-7 signifying the colors "white, red, green, blue, cyan, magenta, yellow".

Grid takes either 2,4 or 6 numeric arguments. With two arguments the grid <delta> and <skip> are set. "GRI 10 2" forces all mouse picks to be multiples of 10 units and will display every other grid tick: 0,20,40, etc. With four arguments the grid can be offset with an origin of <xorig>,<yorig>. "GRID 10 1 5 7" displays grid snap points at ...-5, 5,15,25... in the x direction and ...-3, 7,17,27... in the y direction, With 6 arguments the <delta> and <skip> can be set independently for both x and y axis, creating a non-isotropic grid. This can be useful when designing an IC in which metals with different widths are used for routing signals in x and y directions.

When entering points with the mouse, the clicks ALWAYS snap to the grid, giving a powerful way to enter precise coordinates.

 

OPTIONS

<color>
an integer from 1-7 signifying white, red, green, blue, cyan, magenta or yellow
<delta>
grid spacing for both x,y axes
<skip>
how many snap points to skip for each displayed point
<xorig>
x origin of the grid (default = 0)
<yorig>
y origin of the grid (default = 0)
<xdelta>
grid spacing for x axis
<ydelta>
grid spacing for y axis
<xskip>
grid skip for x axis
<yskip>
grid skip for y axis

 

DIAGNOSTICS

The grid normally shows intermediate tick marks between major grid points. These extra points are suppressed if the spacing goes below 3 pixels per tick. If the drawing is zoomed further, such that the major grid ticks would also be displayed with less than 3 pixels per tick, the entire grid is suppressed, and an error message is printed to the console. The grid is still considered to be on even if a "grid suppressed" message is printed

 

FILES

The current grid setting and color is saved with the device on disk.  

SEE ALSO

piglet(1p) add_arc(1p) add_circle(1p) add_instance(1p) add_line(1p) add_note(1p) add_oval(1p) add_polygon(1p) add_rectangle(1p) add_text(1p) archive(1p) area(1p) background(1p) bye(1p) change(1p) copy(1p) date(1p) define(1p) delete(1p) display(1p) distance(1p) dump(1p) echo(1p) edit(1p) equate(1p) exit(1p) files(1p) fsize(1p) grid(1p) group(1p) help(1p) identify(1p) input(1p) interrupt(1p) layer(1p) level(1p) list(1p) lock(1p) macro(1p) menu(1p) move(1p) plot(1p) point(1p) process(1p) purge(1p) quit(1p) redo(1p) retrieve(1p) save(1p) search(1p) set(1p) shell(1p) show(1p) smash(1p) split(1p) step(1p) stretch(1p) trace(1p) tslant(1p) undo(1p) units(1p) version(1p) window(1p) wrap(1p) memory(1p) time(1p)  

AUTHOR

Rick Walker (walker AT omnisterra DOT com)

The PD Piglet homepage is at http://www.omnisterra.com/walker/linux/piglet/intro.htm.

 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
DIAGNOSTICS
FILES
SEE ALSO
AUTHOR
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Time: 23:02:03 GMT, May 05, 2026