v.lrs.label.1grass man page

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

--overwrite

Allow output files to overwrite existing files

--help

Print usage summary

--verbose

Verbose module output

--quiet

Quiet module output

--ui

Force launching GUI dialog

Parameters

input=name [required]

Name of input vector map
Input vector map containing lines

output=name [required]

Output vector map where stationing will be written

llayer=string

Layer number or name
Line layer
Default: 1

rsdriver=string

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

rsdatabase=string

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

rstable=string [required]

Name of the reference system table

labels=string

Label file

offset=string[,string,...]

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

xoffset=float

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

yoffset=float

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

reference=string

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

font=string

Font
Default: standard

size=integer

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

color=name

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

width=integer

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

highlight_color=name

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

highlight_width=integer

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

bgcolor=name

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

border=name

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

opaque=string

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

LRS tutorial,
Introducing the Linear Reference System in GRASS,
v.lrs.create, v.lrs.segment, v.lrs.where

Author

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

Last changed: $Date: 2014-12-19 22:55:37 +0100 (Fri, 19 Dec 2014) $

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GRASS 7.0.4 Grass User's Manual