[symbology] fix precision of values when saving settings (#14036)

nirvn · nirvn · commit 8ff4c78e7aba · 2015-12-26T10:48:47.000+07:00
diff --git a/src/core/symbology-ng/qgsgraduatedsymbolrendererv2.cpp b/src/core/symbology-ng/qgsgraduatedsymbolrendererv2.cpp
@@ -1100,8 +1100,8 @@ QDomElement QgsGraduatedSymbolRendererV2::save( QDomDocument& doc )
     symbols.insert( symbolName, range.symbol() );
 
     QDomElement rangeElem = doc.createElement( "range" );
-    rangeElem.setAttribute( "lower", QString::number( range.lowerValue(), 'f' ) );
-    rangeElem.setAttribute( "upper", QString::number( range.upperValue(), 'f' ) );
+    rangeElem.setAttribute( "lower", QString::number( range.lowerValue(), 'f', 15 ) );
+    rangeElem.setAttribute( "upper", QString::number( range.upperValue(), 'f', 15 ) );
     rangeElem.setAttribute( "symbol", symbolName );
     rangeElem.setAttribute( "label", range.label() );
     rangeElem.setAttribute( "render", range.renderState() ? "true" : "false" );
