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v.lrs.label(1grass) GRASS GIS User's Manual v.lrs.label(1grass)

NAME

v.lrs.label - Creates stationing from input lines, and linear reference system.

KEYWORDS

vector, linear reference system, network

SYNOPSIS

v.lrs.label
v.lrs.label --help
v.lrs.label input=name output=name [llayer=string] [rsdriver=string] [rsdatabase=string] rstable=string [labels=string] [offset=string[,string,...]] [xoffset=float] [yoffset=float] [reference=string] [font=string] [size=integer] [color=name] [width=integer] [highlight_color=name] [highlight_width=integer] [bgcolor=name] [border=name] [opaque=string] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

Flags:


Allow output files to overwrite existing files

Print usage summary

Verbose module output

Quiet module output

Force launching GUI dialog

Parameters:


Name of input vector map
Input vector map containing lines

Output vector map where stationing will be written

Layer number or name
Line layer
Default: 1

Driver name for reference system table
Options: dbf, mysql, odbc, ogr, pg, sqlite
Default: sqlite

Database name for reference system table
Default: $GISDBASE/$LOCATION_NAME/$MAPSET/sqlite/sqlite.db

Name of the reference system table

Label file

PM left, MP right, stationing left, stationing right offset
Default: 50,100,25,25

Offset label in label x-direction in map units
Default: 25

Offset label in label y-direction in map units
Default: 5

Reference position
Options: center, left, right, upper, lower
Default: center

Font
Default: standard

Label size (in map-units)
Options: 1-1000
Default: 100

Text color
Either a standard color name or R:G:B triplet
Default: black

Line width of text
Only for d.label output
Options: 1-100
Default: 1

Highlight color for text
Either a standard color name, R:G:B triplet, or "none"
Default: none

Line width of highlight color
Only for d.label output
Options: 0-100
Default: 0

Background color
Either a standard color name, R:G:B triplet, or "none"
Default: none

Border color
Either a standard color name, R:G:B triplet, or "none"
Default: none

Opaque to vector
Only relevant if background color is selected
Options: yes, no
Default: yes

DESCRIPTION

v.lrs.label generates LRS labels for pretty-printing of a LRS. This example is written for the Spearfish dataset (it continues the example from v.lrs.create).

v.lrs.label route_lrs rstable=route_lrs output=route_lrs_labels \


            labels=labels col=red size=50 xoffset=100
g.region vector=route_lrs n=n+100 s=s-100 -p
d.erase
d.vect route_lrs
d.vect route_lrs_labels col=grey type=line
d.vect busstops disp=attr attr=cat size=10 bg=white lcol=green yref=bottom
d.vect busstops icon=basic/circle fcol=green
d.labels labels

SEE ALSO

v.lrs.create, v.lrs.segment, v.lrs.where, d.labels, v.label

LRS tutorial,
Introducing the Linear Reference System in GRASS

AUTHORS

Radim Blazek, ITC-irst/MPA Solutions
Documentation update (based on above journal article and available fragments): Markus Neteler

SOURCE CODE

Available at: v.lrs.label source code (history)

Accessed: Sunday Jan 22 07:37:04 2023

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© 2003-2023 GRASS Development Team, GRASS GIS 8.2.1 Reference Manual

GRASS 8.2.1