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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:
       --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: dbf, mysql, odbc, ogr, pg, sqlite
           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 22:17:36 +0100 (Fri, 19 Dec 2014) $

SOURCE CODE

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

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       © 2003-2019 GRASS Development Team, GRASS GIS 7.6.1 Reference Manual