GRASS GIS 6.4.6svn Reference Manual: display

Note: A new GRASS GIS stable version has been released: GRASS GIS 7. Go directly to the new manual page here

GRASS GIS 6.4.6svn Reference Manual

Geographic Resources Analysis Support System, commonly referred to as GRASS, is a Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies.

This reference manual details the use of modules distributed with Geographic Resources Analysis Support System (GRASS), an open source (GNU GPL'ed), image processing and geographic information system (GIS).

Go to display introduction

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display commands:

d.ask Prompts the user to select a GRASS data base file from among files displayed in a menu on the graphics monitor.

d.barscale Displays a barscale on the graphics monitor.

d.colorlist Output a list of all available display colors with a configurable separator (default is comma).

d.colors Allows the user to interactively change the color table of a raster map layer displayed on the graphics monitor.

d.colortable Displays the color table associated with a raster map layer.

d.correlate Prints a graph of the correlation between raster maps (in pairs).

d.erase Erase the contents of the active display frame with user defined color

d.extend Sets window region so that all currently displayed raster and vector maps can be shown in a monitor.

d.extract Selects and extracts vectors with mouse into new vector map.

d.font Selects the font in which text will be displayed on the user's graphics monitor.

d.frame Manages display frames on the user's graphics monitor.

d.geodesic Displays a geodesic line, tracing the shortest distance between two geographic points along a great circle, in a longitude/latitude data set.

d.graph Program for generating and displaying simple graphics on the display monitor.

d.grid Overlays a user-specified grid in the active display frame on the graphics monitor.

d.his Displays the result obtained by combining hue, intensity, and saturation (his) values from user-specified input raster map layers.

d.histogram Displays a histogram in the form of a pie or bar chart for a user-specified raster map.

d.info Display information about the active display monitor

d.labels Displays text labels (created with v.label) to the active frame on the graphics monitor.

d.legend Displays a legend for a raster map in the active frame of the graphics monitor.

d.linegraph Generates and displays simple line graphs in the active graphics monitor display frame.

d.mapgraph Generates and displays simple graphics on map layers drawn in the active graphics monitor display frame.

d.measure Measures the lengths and areas of features drawn by the user in the active display frame on the graphics monitor.

d.menu Creates and displays a menu within the active frame on the graphics monitor.

d.m Display manager for GRASS

d.mon To establish and control use of a graphics display monitor.

d.monsize Selects/starts specified monitor at specified size

d.mvmon Moves displayed maps to another monitor

d.nviz Creates fly-through script to run in NVIZ.

d.out.file Saves the contents of the active display monitor to a graphics file.

d.out.gpsdrive Export display monitor to a GpsDrive compatible backdrop image

d.out.png Saves active display monitor to PNG file in home directory

d.path Finds shortest path for selected starting and ending node.

d.polar Draws polar diagram of angle map such as aspect or flow directions

d.profile Interactive profile plotting utility with optional output.

d.rast.arrow Draws arrows representing cell aspect direction for a raster map containing aspect data.

d.rast.edit Interactively edit cell values in a raster map.

d.rast Displays user-specified raster map in the active graphics frame.

d.rast.leg Displays a raster map and its legend on a graphics window

d.rast.num Overlays cell category values on a raster map layer displayed to the graphics monitor.

d.redraw Redraws the current display frame in the GRASS monitor

d.resize Resizes active display monitor

d.rgb Displays three user-specified raster maps as red, green, and blue overlays in the active graphics frame.

d.rhumbline Displays the rhumbline joining two user-specified points, in the active frame on the user's graphics monitor.

d.save Creates a list of commands for recreating screen graphics.

d.shadedmap Drapes a color raster over a shaded relief map using d.his.

d.slide.show Slide show of GRASS raster/vector maps.

d.split.frame Split the display into subframes.

d.split Divides active display into two frames & displays maps/executes commands in each frame.

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

d.thematic.area Displays a thematic vector area map in the active frame on the graphics monitor.

d.title Create a TITLE for a raster map in a form suitable for display with d.text.

d.vect.chart Displays charts of vector data in the active frame on the graphics monitor.

d.vect Displays user-specified vector map in the active graphics frame.

d.vect.thematic Displays thematic vector map

d.what.rast Allows the user to interactively query the category contents of multiple raster map layers at user specified locations within the current geographic region.

d.what.vect Allows the user to interactively query a vector map layer at user-selected locations within the current geographic region.

d.where Identifies the geographic coordinates associated with point locations in the active frame on the graphics monitor.

d.zoom Allows the user to change the current geographic region settings interactively, with a mouse.

d.ask	Prompts the user to select a GRASS data base file from among files displayed in a menu on the graphics monitor.
d.barscale	Displays a barscale on the graphics monitor.
d.colorlist	Output a list of all available display colors with a configurable separator (default is comma).
d.colors	Allows the user to interactively change the color table of a raster map layer displayed on the graphics monitor.
d.colortable	Displays the color table associated with a raster map layer.
d.correlate	Prints a graph of the correlation between raster maps (in pairs).
d.erase	Erase the contents of the active display frame with user defined color
d.extend	Sets window region so that all currently displayed raster and vector maps can be shown in a monitor.
d.extract	Selects and extracts vectors with mouse into new vector map.
d.font	Selects the font in which text will be displayed on the user's graphics monitor.
d.frame	Manages display frames on the user's graphics monitor.
d.geodesic	Displays a geodesic line, tracing the shortest distance between two geographic points along a great circle, in a longitude/latitude data set.
d.graph	Program for generating and displaying simple graphics on the display monitor.
d.grid	Overlays a user-specified grid in the active display frame on the graphics monitor.
d.his	Displays the result obtained by combining hue, intensity, and saturation (his) values from user-specified input raster map layers.
d.histogram	Displays a histogram in the form of a pie or bar chart for a user-specified raster map.
d.info	Display information about the active display monitor
d.labels	Displays text labels (created with v.label) to the active frame on the graphics monitor.
d.legend	Displays a legend for a raster map in the active frame of the graphics monitor.
d.linegraph	Generates and displays simple line graphs in the active graphics monitor display frame.
d.mapgraph	Generates and displays simple graphics on map layers drawn in the active graphics monitor display frame.
d.measure	Measures the lengths and areas of features drawn by the user in the active display frame on the graphics monitor.
d.menu	Creates and displays a menu within the active frame on the graphics monitor.
d.m	Display manager for GRASS
d.mon	To establish and control use of a graphics display monitor.
d.monsize	Selects/starts specified monitor at specified size
d.mvmon	Moves displayed maps to another monitor
d.nviz	Creates fly-through script to run in NVIZ.
d.out.file	Saves the contents of the active display monitor to a graphics file.
d.out.gpsdrive	Export display monitor to a GpsDrive compatible backdrop image
d.out.png	Saves active display monitor to PNG file in home directory
d.path	Finds shortest path for selected starting and ending node.
d.polar	Draws polar diagram of angle map such as aspect or flow directions
d.profile	Interactive profile plotting utility with optional output.
d.rast.arrow	Draws arrows representing cell aspect direction for a raster map containing aspect data.
d.rast.edit	Interactively edit cell values in a raster map.
d.rast	Displays user-specified raster map in the active graphics frame.
d.rast.leg	Displays a raster map and its legend on a graphics window
d.rast.num	Overlays cell category values on a raster map layer displayed to the graphics monitor.
d.redraw	Redraws the current display frame in the GRASS monitor
d.resize	Resizes active display monitor
d.rgb	Displays three user-specified raster maps as red, green, and blue overlays in the active graphics frame.
d.rhumbline	Displays the rhumbline joining two user-specified points, in the active frame on the user's graphics monitor.
d.save	Creates a list of commands for recreating screen graphics.
d.shadedmap	Drapes a color raster over a shaded relief map using d.his.
d.slide.show	Slide show of GRASS raster/vector maps.
d.split.frame	Split the display into subframes.
d.split	Divides active display into two frames & displays maps/executes commands in each frame.
d.text	Draws text in the active display frame on the graphics monitor using the current font.
d.thematic.area	Displays a thematic vector area map in the active frame on the graphics monitor.
d.title	Create a TITLE for a raster map in a form suitable for display with d.text.
d.vect.chart	Displays charts of vector data in the active frame on the graphics monitor.
d.vect	Displays user-specified vector map in the active graphics frame.
d.vect.thematic	Displays thematic vector map
d.what.rast	Allows the user to interactively query the category contents of multiple raster map layers at user specified locations within the current geographic region.
d.what.vect	Allows the user to interactively query a vector map layer at user-selected locations within the current geographic region.
d.where	Identifies the geographic coordinates associated with point locations in the active frame on the graphics monitor.
d.zoom	Allows the user to change the current geographic region settings interactively, with a mouse.