v.lrs.label.1grass - Man Page

Creates stationing from input lines, and linear reference system.

Keywords

vector, linear reference system, network

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=nameÂ [required]: Name of input vector map
Input vector map containing lines
output=nameÂ [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: dbf, mesql, mysql, odbc, ogr, pg, sqlite
Default: sqlite
rsdatabase=string: Database name for reference system table
Default: $GISDBASE/$LOCATION_NAME/$MAPSET/sqlite/sqlite.db
rstable=stringÂ [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

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: Saturday Nov 09 07:55:45 2024

Info

GRASS 8.4.0 GRASS GIS User's Manual