QGIS/doc/qgis3_user_changes.dox
2016-09-14 07:54:34 +10:00

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/*! \page qgis3_user_changes QGIS 3.0 User Changes
\tableofcontents
Notes regarding user related changes for QGIS 3.0 which should be included in the release notes.
\section qgis3_user_changes_expressions Expressions
QGIS 3.0 brings some changes to the expression engine, which may require existing projects to
be updated so that any expressions in use have the following changes:
<ul>
<li>$rownum has been replaced by \@row_number</li>
<li>$scale has been replaced by \@map_scale</li>
<li>$map has been replaced by \@map_id</li>
<li>$numpages has been replaced by \@layout_numpages</li>
<li>$page has been replaced by \@layout_page</li>
<li>$feature has been replaced by \@atlas_featurenumber</li>
<li>$atlasfeatureid has been replaced by \@atlas_featureid</li>
<li>$atlasfeature has been replaced by \@atlas_feature</li>
<li>$atlasgeometry has been replaced by \@atlas_geometry</li>
<li>$numfeatures has been replaced by \@atlas_totalfeatures</li>
</ul>
\section qgis3_user_changes_composer Composer
Very old projects containing composer attribute tables will not restore the attribute
tables when loaded into QGIS 3.0. These tables must be manually readded to the compositions.
*/