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@@ -71,10 +71,7 @@ disabling of topology.
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<p>
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A GRASS ASCII vector map (in <b>standard format</b> mode) may contain a mix
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of primitives including points, lines, boundaries, centroids, areas,
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-faces, and kernels.
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-<!--This format is described in the
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-<a HREF="http://freegis.org/cgi-bin/viewcvs.cgi/~checkout~/grass6/doc/vector/vector.html#ascii">GRASS
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-Vector ASCII Format Specification</a>.--> The GRASS ASCII vector format
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+faces, and kernels. The GRASS ASCII vector format
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may contain a header with various metadata (see example below).
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The header is not required if the <b>-n</b> flag is used.
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@@ -235,7 +232,8 @@ C 1 1
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</pre></div>
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<h3>Example 1b) - standard format mode</h3>
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-Sample ASCII 3D line vector map for 'standard' format mode with simplified input.
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+Sample ASCII 3D line vector map for 'standard' format mode with simplified input
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+(note the space field separator).
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Note the <b>-z</b> flag indicating 3D vector input, and the <b>-n</b> flag
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indicating no vector header should be expected from the input file.
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The example can be tested in the Spearfish sample dataset:
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@@ -253,7 +251,7 @@ echo "L 5 1
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This can be used to create a vector line of a GPS track: the GPS points have
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to be stored into a file with a preceding 'L' and the number of points (per line).
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-<h3>Example 2</h3>
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+<h3>Example 2 - point format mode</h3>
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Generate a 2D points vector map 'coords.txt' as ASCII file:
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<div class="code"><pre>
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@@ -272,7 +270,7 @@ v.in.ascii input=coords.txt output=mymap
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As the <b>cat</b> option is set to 0 by default, an extra column 'cat'
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containing the IDs will be auto-generated.
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-<h3>Example 3</h3>
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+<h3>Example 3 - point format mode</h3>
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Generate a 2D points vector map 'points.dat' as ASCII file:
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<div class="code"><pre>
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@@ -293,7 +291,7 @@ cat points.dat | v.in.ascii out=mypoints x=2 y=3 cat=1 \
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<p>
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The module is reading from standard input, using the default '|' (pipe) delimiter.
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-<h3>Example 4</h3>
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+<h3>Example 4 - point format mode</h3>
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Generating a 3D points vector map from DBMS (idcol must be an integer column):<br>
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<div class="code"><pre>
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@@ -305,7 +303,7 @@ The module is reading from standard input, using the default '|' (pipe) delimite
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The import works for 2D maps as well (no elev column and no '-z' flag).
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-<h3>Example 5</h3>
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+<h3>Example 5 - point format mode</h3>
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Generate a 3D points vector map 'points3d.dat' with attributes as ASCII file:
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<div class="code"><pre>
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@@ -329,7 +327,7 @@ v.info mypoints3D
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</pre></div>
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-<h3>Example 6</h3>
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+<h3>Example 6 - point format mode</h3>
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Generate points file by clicking onto the map:
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<div class="code"><pre>
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@@ -346,7 +344,7 @@ The 'point' string (or some similar entry) is required to generate a database ta
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When simply piping the coordinates (and optionally height) without additional column(s)
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into <em>v.in.ascii</em>, only the vector map geometry will be generated.
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-<h3>Example 7</h3>
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+<h3>Example 7 - point format mode</h3>
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Convert ground control points from i.points into vector points:
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<div class="code"><pre>
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Markus Neteler