</sect1>
<sect1 id="RT_Raster_Catalog">
<title>Raster Catalogs</title>
- <para>There are two raster catalog views that come package with PostGIS. Both views utilize information embedded in the constraints of the raster tables. As a result
+ <para>There are two raster catalog views that come packaged with PostGIS. Both views utilize information embedded in the constraints of the raster tables. As a result
the catalog views are always consistent with the raster data in the tables since the constraints are enforced. </para>
<orderedlist>
<listitem>
- <para><varname>raster_columns</varname> this view catalogs all the raster tables in your database.</para>
+ <para><varname>raster_columns</varname> this view catalogs all the raster table columns in your database.</para>
</listitem>
<listitem>
- <para><varname>raster_overviews</varname> this view catalogs all the rasters tables in your database that server as overviews for a finer grained table. Tables of this type are generated when you use the <varname>-l</varname> switch during load.</para>
+ <para><varname>raster_overviews</varname> this view catalogs all the raster table columns in your database that serve as overviews for a finer grained table. Tables of this type are generated when you use the <varname>-l</varname> switch during load.</para>
</listitem>
</orderedlist>
<sect2 id="RT_Raster_Columns">
<title>Raster Columns Catalog</title>
- <para>The <varname>raster_columns</varname> is a catalog of all columns in the table taht are of type raster. It is a view utilizing the constraints on the tables
+ <para>The <varname>raster_columns</varname> is a catalog of all raster table columns in your database that are of type raster. It is a view utilizing the constraints on the tables
so the information is always consistent even if you restore one raster table from a backup of another database. The following columns exist in the <varname>raster_columns</varname> catalog.</para>
<para>If you created your tables not with the loader or forgot to specified the <varname>-C</varname> flag during load, you can enforce the constraints after the
fact using <xref linkend="RT_AddRasterConstraints" /> so that the <varname>raster_columns</varname> catalog registers the common information after your raster tiles.</para>