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<DT><img src="icons/grass/gui-startmon.gif"> Open new map display</DT>
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<DT><img src="icons/grass/gui-startmon.gif" alt="icon"> Open new map display</DT>
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<DD>Opens a new map display and resets layer tree.</DD>
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<DT><img src="icons/grass/element-cell.gif"> Add raster layer</DT>
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<DT><img src="icons/grass/element-cell.gif" alt="icon"> Add raster layer</DT>
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<DD>Adds a raster map to the layer tree. Raster display options include:
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displaying a selected subset of raster cells, defined by their cat
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values; draping (or "fusing") a second map over the base map;
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(for draping/fusing).</i>
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<DT><img src="icons/grass/channel-rgb.gif"> Add RGB or HIS raster layer</DT>
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<DT><img src="icons/grass/channel-rgb.gif" alt="icon"> Add RGB or HIS raster layer</DT>
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<DD>Combines and displays three raster maps defined as red, green, and blue
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channels; or combines and displays two or three raster maps defined as
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hue, intensity, and (optionally) saturation channels.
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<i>See <a href="d.rgb.html">d.rgb</a> and <a href="d.his.html">d.his</a>.</i>
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<DT><img src="icons/grass/module-d.histogram.gif"> Add histogram layer</DT>
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<DT><img src="icons/grass/module-d.histogram.gif" alt="icon"> Add histogram layer</DT>
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<DD>Adds a layer to display histogram of a raster map or image.
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<i>See <a href="d.histogram.html">d.histogram</a>.</i>
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<DT><img src="icons/grass/module-d.rast.num.gif"> Add cell values layer</DT>
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<DT><img src="icons/grass/module-d.rast.num.gif" alt="icon"> Add cell values layer</DT>
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<DD>Adds map of raster cells with cell values printed inside.
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Only works when <10,000 cells are displayed.
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<i>See <a href="d.rast.num.html">d.rast.num</a>.</i>
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<DT><img src="icons/grass/module-d.rast.arrow.gif"> Add raster arrows layer</DT>
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<DT><img src="icons/grass/module-d.rast.arrow.gif" alt="icon"> Add raster arrows layer</DT>
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<DD>Adds map of raster cells with directional arrows drawn.
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Arrow direction and length are determined by separate aspect/directional map
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and (optional) slope/intensity map.
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<i>See <a href="d.rast.arrow.html">d.rast.arrow</a>.</i>
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<DT><img src="icons/grass/module-d.legend.gif"> Add raster legend</DT>
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<DT><img src="icons/grass/module-d.legend.gif" alt="icon"> Add raster legend</DT>
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<DD>Adds a legend for a single raster map to the layer tree.
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Multiple options for formatting the legend are available.
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<i>See <a href="d.legend.html">d.legend</a>.</i>
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<DT><img src="icons/grass/element-vector.gif"> Add vector layer</DT>
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<DT><img src="icons/grass/element-vector.gif" alt="icon"> Add vector layer</DT>
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<DD>Adds a vector map to the layer tree. A large number of options are
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available for displaying the vector map, including: outline and fill
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color, icon type and size for points, line widths for all vector types,
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<i>See <a href="d.vect.html">d.vect</a>.</i>
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<DT><img src="icons/grass/module-d.vect.thematic.gif"> Add thematic map layer
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<DT><img src="icons/grass/module-d.vect.thematic.gif" alt="icon"> Add thematic map layer
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(for all vector types)</DT>
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<DD>Adds layer for thematic display values from a numeric attribute column
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associated with a vector map. Options include: thematic display type
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<i>See <a href="d.vect.thematic.html">d.vect.thematic</a>.</i>
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<DT><img src="icons/grass/module-d.vect.chart.gif"> Add thematic charts layer
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<DT><img src="icons/grass/module-d.vect.chart.gif" alt="icon"> Add thematic charts layer
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(for vector points)</DT>
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<DD>Adds layer in which pie or bar charts can be automatically created at
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vector point locations. Charts display values from selected columns in the
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<i>See <a href="d.vect.chart.html">d.vect.chart</a>.</i>
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<DT><img src="icons/grass/module-d.labels.gif"> Add raster labels layer for vector
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<DT><img src="icons/grass/module-d.labels.gif" alt="icon"> Add raster labels layer for vector
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objects (from existing labels file)</DT>
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<DD>Add raster text layer from a labels file for vector objects created with
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the <em><a href="v.label.html">v.label</a></em> module (accessed from button
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<i>See <a href="d.labels.html">d.labels</a>.</i>
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<DT><img src="icons/grass/module-d.text.gif"> Add text layer</DT>
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<DT><img src="icons/grass/module-d.text.gif" alt="icon"> Add text layer</DT>
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<DD>Adds layer to display a line of text using default GRASS font
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(selected with <em><a href="d.font.html">d.font</a></em>).
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Options include: text placement (screen coordinates); and text size,
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<i>See <a href="d.text.html">d.text</a>.</i>
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<DT><img src="icons/grass/gui-maptext.gif"> Add PostScript labels layer for vector
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<DT><img src="icons/grass/gui-maptext.gif" alt="icon"> Add PostScript labels layer for vector
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objects (from existing labels file)</DT>
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<DD>Add PostScript text layer from a labels file for vector objects created
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with the <em><a href="v.label.html">v.label</a></em> module (accessed from
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<i>See <a href="d.labels.html">d.labels</a>.</i>
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<DT><img src="icons/grass/gui-maplabels.gif"> Add PostScript text layer</DT>
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<DT><img src="icons/grass/gui-maplabels.gif" alt="icon"> Add PostScript text layer</DT>
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<DD>Adds layer to display a line of PostScript text. Options include: text
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placement by coordinates (geographic or screen); text
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alignment, font and line spacing; and text size, bolding, and color.
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<DT><img src="icons/grass/module-d.barscale.gif"> Add scalebar and north arrow layer</DT>
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<DT><img src="icons/grass/module-d.barscale.gif" alt="icon"> Add scalebar and north arrow layer</DT>
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<DD>Adds layer to display a combined scalebar and north arrow. Options
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include scalebar placement (using screen coordinates or a mouse),
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scalebar format, and scalebar colors.
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<i>See <a href="d.barscale.html">d.barscale</a>.</i>
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<DT><img src="icons/grass/module-d.grid.gif"> Overlay grids and lines</DT>
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<DT><img src="icons/grass/module-d.grid.gif" alt="icon"> Overlay grids and lines</DT>
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<DD>Adds layer to display regular grid (for all locations), or geodesic and
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rhumblines (for latitude/longitude locations only). Grid options
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include: grid and border colors, grid origin, and grid line spacing.
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and <a href="d.rhumbline.html">d.rhumbline</a>.</i>
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<DT><img src="icons/grass/gui-cmd.gif"> Add command layer</DT>
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<DT><img src="icons/grass/gui-cmd.gif" alt="icon"> Add command layer</DT>
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<DD>Adds a layer in which a GRASS GIS command or command list can be entered.
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For a command list use the pipe symbol as "|" as separator.
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<tt>d.text.freetype text=Population\ density</tt>
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<DT><img src="icons/grass/gui-group.gif"> Add group</DT>
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<DT><img src="icons/grass/gui-group.gif" alt="icon"> Add group</DT>
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<DD>Adds an empty layer group. Layers can then be added to the group.</DD>
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<DT><img src="icons/grass/edit-copy.gif"> Duplicate selected layer or group</DT>
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<DT><img src="icons/grass/edit-copy.gif" alt="icon"> Duplicate selected layer or group</DT>
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<DD>Adds a new layer that duplicates the selected layer.</DD>
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<DT><img src="icons/grass/edit-cut.gif"> Cut selected layer or group</DT>
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<DT><img src="icons/grass/edit-cut.gif" alt="icon"> Cut selected layer or group</DT>
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<DD>Deletes the selected group or layer.</DD>
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<DT><img src="icons/grass/file-new.gif"> Erase all layers and create a new group</DT>
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<DT><img src="icons/grass/file-new.gif" alt="icon"> Erase all layers and create a new group</DT>
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<DD>Removes all layers in the layer tree and creates a new, empty group to
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which new layers can be added.<br></DD>
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<DT><img src="icons/grass/file-open.gif"> Open an existing group file</DT>
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<DT><img src="icons/grass/file-open.gif" alt="icon"> Open an existing group file</DT>
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<DD>Opens an previously saved group file, containing a set of display
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layers and their option settings.</DD>
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<DT><img src="icons/grass/file-save.gif"> Save layers to group file</DT>
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<DT><img src="icons/grass/file-save.gif" alt="icon"> Save layers to group file</DT>
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<DD>Saves current set of layers and their options to a group file.</DD>
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<DT><img src="icons/grass/module-xganim.gif"> Animate raster map series</DT>
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<DT><img src="icons/grass/module-xganim.gif" alt="icon"> Animate raster map series</DT>
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<DD>Starts the interactive Animation Tool interface to display a series
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of raster maps as an animation.
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<i>See the <a href="gm_animate.html">Animation Tool help page</a></i>.
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<DT><img src="icons/grass/module-v.digit.gif"> Digitize raster or vector maps</DT>
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<DT><img src="icons/grass/module-v.digit.gif" alt="icon"> Digitize raster or vector maps</DT>
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<DD>Starts the raster digitizing or vector digitizing module, depending on
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whether a raster or vector map is selected. Raster digitizing always
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creates a new map. Vector digitizing will either edit an existing map
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<DT><img src="icons/grass/gui-display.gif"> Display active layers (current region)</DT>
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<DT><img src="icons/grass/gui-display.gif" alt="icon"> Display active layers (current region)</DT>
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<DD>Displays all active layers at current resolution and region extents for
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that map display window.</DD>
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<DT><img src="icons/grass/gui-zoom_current.gif"> Re-render and display all active
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<DT><img src="icons/grass/gui-zoom_current.gif" alt="icon"> Re-render and display all active
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layers and zoom to current region</DT>
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<DD>Resets the region to the resolution and extents to the values set with
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<em>g.region</em>; forces re-display and re-rendering all active layers.
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<i>See <a href="g.region.html">g.region</a>.</i></DD>
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<DT><img src="icons/grass/module-nviz.gif"> NVIZ</DT>
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<DT><img src="icons/grass/module-nviz.gif" alt="icon"> NVIZ</DT>
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<DD>Starts NVIZ, the <i>n</i>-dimensional visualization module and interactive
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graphical interface. All active raster and vector layers in the layer
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tree will be displayed in NVIZ.
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<i>See the <a href="nviz.html">nviz</a> manual.</i></DD>
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<DT><img src="icons/grass/module-d.nviz.gif"> Create fly through path for NVIZ</DT>
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<DT><img src="icons/grass/module-d.nviz.gif" alt="icon"> Create fly through path for NVIZ</DT>
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<DD>Starts a GRASS module for interactive creation of a fly-through path to
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be animated in NVIZ.
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<i>See <a href="d.nviz.html">d.nviz</a></i>.</DD>
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<DT><img src="icons/grass/gui-erase.gif"> Erase to white</DT>
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<DT><img src="icons/grass/gui-erase.gif" alt="icon"> Erase to white</DT>
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<DD>Erases the currently selected monitor to a white background; also
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removes all frames.
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<i>See <a href="d.erase.html">d.erase</a> and
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<a href="d.frame.html">d.frame -e</a>.</i></DD>
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<DT><img src="icons/grass/gui-pointer.gif"> Arrow cursor</DT>
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<DT><img src="icons/grass/gui-pointer.gif" alt="icon"> Arrow cursor</DT>
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<DD>Select arrow cursor for map display.</DD>
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<DT><img src="icons/grass/gui-zoom_in.gif"> Zoom in</DT>
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<DT><img src="icons/grass/gui-zoom_in.gif" alt="icon"> Zoom in</DT>
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<DD>Interactive zooming with the mouse in the active display monitor.
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Drawing a box with the mouse (left button) and zoom-in cursor causes
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the display to zoom in so that the area defined by the box fills the
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computational region for other GIS processes.
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<i>See <a href="g.region.html">g.region</a>.</i></DD>
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<DT><img src="icons/grass/gui-zoom_out.gif"> Zoom out</DT>
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<DT><img src="icons/grass/gui-zoom_out.gif" alt="icon"> Zoom out</DT>
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<DD>Interactive zooming with the mouse in the active display monitor.
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Drawing a box with the mouse (left button) and zoom-out cursor causes
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the display to zoom in so that the area displayed shrinks to fill the
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affect the computational region for other GIS processes.
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<i>See <a href="g.region.html">g.region</a>.</i></DD>
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<DT><img src="icons/grass/gui-pan.gif"> Pan</DT>
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<DT><img src="icons/grass/gui-pan.gif" alt="icon"> Pan</DT>
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<DD>Interactive selection of a new center of view in the active display
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monitor. Drag the pan cursor while pressing the left mouse button to pan.
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Panning changes the location of the region displayed but not the size of
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computational region for other GIS processes.
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<i>See <a href="g.region.html">g.region</a>.</i></DD>
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<DT><img src="icons/grass/gui-zoom_back.gif"> Revert zoom</DT>
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<DT><img src="icons/grass/gui-zoom_back.gif" alt="icon"> Revert zoom</DT>
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<DD>Returns to the previous zoom. Up to 5 levels of zoom back are maintained.
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<i>See <a href="g.region.html">g.region</a>.</i></DD>
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<DT><img src="icons/grass/gui-mapzoom.gif"> Zoom menu</DT>
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<DT><img src="icons/grass/gui-mapzoom.gif" alt="icon"> Zoom menu</DT>
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<DD>Automatic zoom settings menu. Zoom to match the extents of a selected
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map or to match the extents of a saved region; save the current extents
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to a named region file; zoom to match the computational region (set with
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(does not change the resolution).
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<i>See <a href="g.region.html">g.region</a>.</i></DD>
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<DT><img src="icons/grass/gui-query.gif"> Query tool (select a map first)</DT>
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<DT><img src="icons/grass/gui-query.gif" alt="icon"> Query tool (select a map first)</DT>
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<DD>Query selected raster (only the base map of a draped map will be
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queried), RGB raster map (all three map channels will be queried), or
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vector map using the mouse. A map must be selected before query.
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<i>See <a href="r.what.html">r.what</a> and <a href="v.what.html">v.what</a></i>.
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<DT><img src="icons/grass/gui-measure.gif"> Distance measurement tool</DT>
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<DT><img src="icons/grass/gui-measure.gif" alt="icon"> Distance measurement tool</DT>
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<DD>Interactive measurement of lengths defined with the mouse. The length
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of each segment and the cumulative length of all segments measuered is
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displayed in the console window. Lengths are measured in the current
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measurement unit.
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<i>See also <a href="d.measure.html">d.measure</a>.</i></DD>
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<DT><img src="icons/grass/gui-profile.gif"> Profile tool</DT>
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<DT><img src="icons/grass/gui-profile.gif" alt="icon"> Profile tool</DT>
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<DD>Interactively create profile of a raster map. Profile transect
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is drawn with the mouse in map display. The profile may be of the
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displayed map or a different map.<i>
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See the <a href="gm_profile.html">Profile Tool help page</a>.</i></DD>
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<DT><img src="icons/grass/file-print.gif"> Print map</DT>
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<DT><img src="icons/grass/file-print.gif" alt="icon"> Print map</DT>
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<DD>Prints map on the UNIX <i>lpr</i> printer or PostScript device;
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saves visible map display (including PostScript text and labels) to PDF
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or EPS file. Requires <tt>ghostscript</tt> for all output except EPS.</DD>
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<DT><img src="icons/grass/file-save.gif"> Export map display</DT>
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<DT><img src="icons/grass/file-save.gif" alt="icon"> Export map display</DT>
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<DD>Exports visible map display to different raster graphic formats.
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Exported map does not include PostScript text or PostScript labels.</DD>
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<DT><img src="icons/grass/drawmode-strict.gif"> Strict draw mode</DT>
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<DT><img src="icons/grass/drawmode-strict.gif" alt="icon"> Strict draw mode</DT>
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<DD>Selects strict draw mode. In strict mode the aspect ratio and resolution
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from the last zoom are used when drawing the maps. The map will show only
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the area and resolution selected. It will not usually fill the screen.
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Strict mode only shows what is asked for.</DD>
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<DT><img src="icons/grass/drawmode-explore.gif"> Explore draw mode</DT>
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<DT><img src="icons/grass/drawmode-explore.gif" alt="icon"> Explore draw mode</DT>
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<DD>Selects explore draw mode. In explore mode the region from the last zoom
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is expanded to fill the entire screen. The resolution is adjusted to match
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the screen resolution. Explore mode shows as much as possible.</DD>
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gui/tcltk/gis.m/description.html
