/usr/share/doc/grads/html/gradcomddrawshp.html is in grads 2:2.0.1-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | <!--Copyright (C) 1988-2005 by the Institute of Global Environment and Society (IGES). See file COPYRIGHT for more information.-->
<html>
<head>
<title>GrADS command: draw shp</title>
</head>
<body bgcolor="e0f0ff" text="#000000">
<H2><B>draw shp</B></H2>
<P>
<code>draw shp <i>shapefile <n> <m> </i></code>
<p>
Draws the contents of a shapefile. The arguments are:
<p>
<code><i>shapefile</i> </code>The name of the shapefile. It is not necessary to include the file extension (.shp)<br>
<codoe>
<code><i>n</i> </code>Element number (if you want to draw only one)<br>
<codoe>
<code><i>m</i> </code>Use <code><i>n</i></code> and <code><i>m</i></code> if you want to draw a range of elements
<p>If <code><i>n</i></code> and <code><i>m</i></code> are omitted, all the elements in the shapefile will be drawn. <br>
<p>
<h3>Usage Notes</h3>
<p>This command is available with GrADS version 2.0.a8 or later.</p>
<p>If you put the three shapefile components (*.shp, *.shx, and *.dbf) in the GrADS data directory (pointed to by the <a href="gradcomdgrads.html#env">GADDIR environment variable</a>), then it is not necessary to include the full path in <code><i>shapefile</i></code>. </p>
<p> Before invoking this command, it is necessary to draw a plot first in order to establish the dimensions and scaling of the display. Shapefiles contain 2-dimensional spatial features, so your plot must be varying in the X-Y (lon/lat) domain. A shapefile may contain one of three kinds of graphical elements: points, lines, or polygons. </p>
<ul>
<li> For shapefiles that contain points, GrADS will draw a mark at each point location. The mark type and size are controlled by the <code><a href="gradcomdsetshpopts.html">set shpopts</a></code> command, and the color is controlled by the <code><a href="gradcomdsetline.html">set line</a></code> command. </li>
<li>For shapefiles that contain lines, GrADS will draw the line elements using the color, style, and thickness settings that are controlled by the <code><a href="gradcomdsetline.html">set line</a></code> command. </li>
<li>For shapefiles that contain polygons, the default behavior of GrADS is draw only the perimeter of each polygon element. Use the <code><a href="gradcomdsetshpopts.html">set shpopts</a></code> command to draw filled polygons and set the fill color.
The color, style, and thickness of the polygon perimeters are controlled by the <code><a href="gradcomdsetline.html">set line</a></code> command. </li>
</ul>
<p>Please see the documentation page on <a href="shapefiles.html">shapefiles</a> for more details. </p>
<h3>Examples </h3>
</body>
</html>
|