d.northarrow.html 1.5 KB

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  1. <h2>DESCRIPTION</h2>
  2. <em>d.northarrow</em> displays a north arrow symbol at
  3. the given screen coordinates. If no coordinates are given it will draw the
  4. north arrow in the bottom right of the display. It can draw the north arrow
  5. in a number of styles (see the
  6. <a href="http://grasswiki.osgeo.org/wiki/Cartography#Display_monitors">wiki
  7. page</a> for details).
  8. With certain styles of north arrow label 'N' is displayed by default,
  9. and can be changed with option <b>label</b>, for example for different languages.
  10. The label can be hidden with <b>-t</b> flag.
  11. <p>
  12. North arrow can be rotated, for example to align with true north, not grid north.
  13. The angle in degrees counter-clockwise (or radians with <b>-r</b> flag)
  14. can be specified with option <b>rotation</b>. Label is rotated together with the
  15. arrow, unless flag <b>-w</b> is specified.
  16. <h2>EXAMPLES</h2>
  17. Display a north arrow symbol as a basic compas with label NORTH,
  18. rotated by 8 degrees with label, with black line and gray fill:<br>
  19. <div class="code"><pre>
  20. d.mon wx0
  21. d.northarrow style=basic_compas rotation=8 label=NORTH -w color=black fill_color=gray
  22. d.mon -r
  23. </pre></div>
  24. <h2>SEE ALSO</h2>
  25. <em>
  26. <a href="d.barscale.html">d.barscale</a>,
  27. <a href="d.graph.html">d.graph</a>,
  28. <a href="d.grid.html">d.grid</a>,
  29. <a href="d.legend.html">d.legend</a>
  30. </em>
  31. <h2>AUTHOR</h2>
  32. Hamish Bowman, <i>Department of Geology, University of Otago, New Zealand</i><br>
  33. Improvements as part of GSoC 2016 by Adam Laza, <i>CTU in Prague</i>
  34. <p>
  35. <i>Last changed: $Date$</i>