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@@ -17,8 +17,8 @@ module)
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As with most GRASS raster modules, the current region extents and region
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As with most GRASS raster modules, the current region extents and region
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resolution are used, and a MASK is respected if present.
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resolution are used, and a MASK is respected if present.
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Use <em><a href="g.region.html">g.region</a></em>'s "align=", or "rast="
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Use <em><a href="g.region.html">g.region</a></em>'s "align=", or "rast="
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-options if you need to realign the region settings the original map's
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-before export.
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+options if you need to realign the region settings to match the original
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+map's before export.
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<h2>SUPPORTED RASTER FORMATS</h2>
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<h2>SUPPORTED RASTER FORMATS</h2>
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@@ -99,15 +99,6 @@ for details.
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</pre>
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</pre>
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<p>
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<p>
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-Float32 precision is 7 decimal places, e.g. 1.0000001E20, so 1.000000001E20
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-is truncated to 1.0000000E20.
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-<p>
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-Float64 precision is 16 decimal places, e.g. 1.0000000000000001E20,
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-equivalent to DCELL.
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-<p>
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-Note that e.g. 0.0000000012345678E20 is stored as 1.2345678000000000E11,
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-so Float32 would be ok.
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-<p>
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If there is a need to keep file sizes small, use the simplest data type
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If there is a need to keep file sizes small, use the simplest data type
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covering the data range of the raster(s) to be exported, e.g., if suitable
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covering the data range of the raster(s) to be exported, e.g., if suitable
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use Byte rather than UInt16; use Int16 rather than Int32; or use Float32
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use Byte rather than UInt16; use Int16 rather than Int32; or use Float32
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Hamish Bowman