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<h2>DESCRIPTION</h2>
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<h2>DESCRIPTION</h2>
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-t.rast.algebra performs temporal and spatial map algebra operations on
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+<em>t.rast.algebra</em> performs temporal and spatial map algebra operations on
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space time raster datasets (STRDS) using the temporal raster algebra.
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space time raster datasets (STRDS) using the temporal raster algebra.
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<h3>PROGRAM USE</h3>
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<h3>PROGRAM USE</h3>
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@@ -97,9 +97,10 @@ overlapped A ------
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overlaps A ------
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overlaps A ------
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B ------
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B ------
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-over booth overlaps and overlapped
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+over both overlaps and overlapped
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</pre></div>
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</pre></div>
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+<!- TODO: fix formatting of next sentence to become readable! ->
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The relations must be read as: A is related to B, like - A equals B - A
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The relations must be read as: A is related to B, like - A equals B - A
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is during B - A contains B.
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is during B - A contains B.
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<p>
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<p>
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@@ -382,8 +383,8 @@ int(x) convert x to integer [ truncates ]
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log(x) natural log of x
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log(x) natural log of x
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sqrt(x) square root of x
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sqrt(x) square root of x
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tan(x) tangent of x (x is in degrees)
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tan(x) tangent of x (x is in degrees)
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-round(x) round x to nearest integer
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-sin(x) sine of x (x is in degrees)
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+round(x) round x to nearest integer
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+sin(x) sine of x (x is in degrees)
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isnull(x) check if x = NULL
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isnull(x) check if x = NULL
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isntnull(x) check if x is not NULL
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isntnull(x) check if x is not NULL
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null set null value
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null set null value
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@@ -450,21 +451,27 @@ offset.
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<pre class="code">
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<pre class="code">
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strds[2]
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strds[2]
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</pre>
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</pre>
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-Refers to the second successor of the current map
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+refers to the second successor of the current map.
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+<p>
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+
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<pre class="code">
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<pre class="code">
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strds[1,2]
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strds[1,2]
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</pre>
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</pre>
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-Refers to the cell one row below and two columns to the right of the current
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-cell in the current map
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+refers to the cell one row below and two columns to the right of the current
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+cell in the current map.
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+<p>
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+
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<pre class="code">
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<pre class="code">
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strds[1,-2,-1]
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strds[1,-2,-1]
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</pre>
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</pre>
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-Refers to the cell two rows above and one column to the left of the current
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-cell of the first successor map
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+refers to the cell two rows above and one column to the left of the current
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+cell of the first successor map.
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+<p>
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+
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<pre class="code">
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<pre class="code">
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strds[-2,0,1]
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strds[-2,0,1]
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</pre>
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</pre>
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-Refers to the cell one column to the right of the current cell in the
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+refers to the cell one column to the right of the current cell in the
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second predecessor map.
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second predecessor map.
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<h2>EXAMPLES</h2>
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<h2>EXAMPLES</h2>
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@@ -582,6 +589,14 @@ sudo apt-get install python-ply
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sudo dnf install python-ply
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sudo dnf install python-ply
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</pre></div>
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</pre></div>
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+<h2>SEE ALSO</h2>
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+
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+<em>
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+<a href="v.overlay.html">v.overlay</a>,
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+<a href="v.buffer.html">v.buffer</a>,
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+<a href="v.patch.html">v.patch</a>,
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+<a href="r.mapcalc.html">r.mapcalc</a>
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+</em>
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<h2>AUTHORS</h2>
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<h2>AUTHORS</h2>
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