<refentry id="RT_ST_MapAlgebra">
<refnamediv>
<refname>ST_MapAlgebra</refname>
- <refpurpose>Creates a new one band raster formed by applying a valid PostgreSQL algebraic operation on the input raster band and of pixeeltype provided. band 1 is assumed if no band is specified.</refpurpose>
+ <refpurpose>Creates a new one band raster formed by applying a valid PostgreSQL algebraic operation on the input raster band and of pixeltype provided. band 1 is assumed if no band is specified.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<para>Creates a new one band raster formed by applying a valid PostgreSQL algebraic operation defined by the <varname>expression</varname> on the input raster (<varname>rast</varname>). If no <varname>band</varname> is specified
band 1 is assumed. The new raster will have the same georeference, width, and height as the original raster but will only have one band.</para>
- <para>If <varname>pixeltype</varname> is passed in, then the new raster will have a band of that pixeltype. If no pixeltype is passed in, then the new raster band will have the same pixeltype as the input <varname>rast</varname></para>
- <para>Use the term <varname>rast</varname> to refer to the pixel value of the original.</para>
+ <para>If <varname>pixeltype</varname> is passed in, then the new raster will have a band of that pixeltype. If no pixeltype is passed in, then the new raster band will have the same pixeltype as the input <varname>rast</varname> band.</para>
+ <para>Use the term <varname>rast</varname> to refer to the pixel value of the original band.</para>
<para>Availability: 2.0.0 </para>
</refsection>