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This is the command d.textgrass that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


d.text - Draws text in the active display frame on the graphics monitor using the current
font.

KEYWORDS


display, cartography

SYNOPSIS


d.text
d.text --help
d.text [-pgbrs] [text=string] [size=float] [color=string] [bgcolor=string]
[line=integer] [at=x,y] [align=string] [rotation=float] [linespacing=float]
[font=string] [path=name] [charset=string] [input=name] [--help] [--verbose]
[--quiet] [--ui]

Flags:
-p
Screen position in pixels ([0,0] is top left)

-g
Screen position in geographic coordinates

-b
Use bold text

-r
Use radians instead of degrees for rotation

-s
Font size is height in pixels

--help
Print usage summary

--verbose
Verbose module output

--quiet
Quiet module output

--ui
Force launching GUI dialog

Parameters:
text=string
Text to display

size=float
Height of letters in percentage of available frame height
Options: 0-100
Default: 5

color=string
Text color, either a standard GRASS color or R:G:B triplet
Default: gray

bgcolor=string
Text background color, either a standard GRASS color or R:G:B triplet

line=integer
The screen line number on which text will begin to be drawn
Options: 1-1000

at=x,y
Screen position at which text will begin to be drawn (percentage, [0,0] is lower left)

align=string
Text alignment
Options: ll, lc, lr, cl, cc, cr, ul, uc, ur
Default: ll

rotation=float
Rotation angle in degrees (counter-clockwise)
Default: 0

linespacing=float
Line spacing
Default: 1.25

font=string
Font name

path=name
Path to font file

charset=string
Text encoding (only applicable to TrueType fonts)

input=name
Input file

DESCRIPTION


d.text draws text in the active display frame on the graphics monitor. Text can be
provided through standard input or redirected from a file (using the UNIX redirection
mechanism). In addition to the options provided on the command line, colors, text size,
font type, rotation angle, and boldness can be adjusted with commands in the standard
input (i.e., if the user invokes d.text without options on the command line, and then
assigns values to these options on lines within the standard input).

Commands:
.C color
(where color is one of the available colors) causes text appearing on subsequent lines
to be drawn in that color.

.G color
(where color is one of the available colors) causes the background of text appearing
on subsequent lines to be drawn in that color.

.S size
(where size is a percentage within the range 0 to 100) adjusts text size. Note that a
size of 10 would allow 10 lines to be drawn in the active display frame, 5 would allow
the drawing of 20 lines, and 50 would allow the drawing of 2 lines.

.F font
(where font is one of the fonts known by the GRASS program d.font) manipulates the
font type. Available fonts are listed in the GRASS manual entry for d.font. The
default font type used (if unspecified by the user) is romans.

.R rotation
(where rotation is an angle in degrees, counter-clockwise) to rotate the text.

.B 1
stipulates that following text be printed in bold. This command means bold on.

.B 0
turns bold off of all text appearing on lines beneath it. (Bold off is used by
default, if unspecified by the user.)

EXAMPLE


The following command will print the short phrase "This is a test of d.text" in the active
display frame using the color yellow, in bold, and using 4/100’ths (4%) of the active
frame’s vertical space per line:

d.text << EOF
.C yellow
.G grey
.S 4
.B 1
This is a test of d.text
EOF
The user presses control-d (the "Ctrl" and "d" keys) to end input to d.text (equal to
EOF).

NOTES


Note that the GRASS command d.title creates map TITLEs in a format suitable for input to
d.text.

d.text needs escape sequences that can be used within lines to change colors, boldness,
and perhaps size.

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