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List:       kde-commits
Subject:    KDE/kdeedu/marble/src/lib
From:       Bernhard Beschow <bbeschow () cs ! tu-berlin ! de>
Date:       2010-12-31 18:32:07
Message-ID: 20101231183207.C27D7AC8AE () svn ! kde ! org
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SVN commit 1210497 by beschow:

allow base tiles to be displayed and make sure the attributes get properly initialized

 M  +6 -4      AbstractScanlineTextureMapper.cpp  


--- trunk/KDE/kdeedu/marble/src/lib/AbstractScanlineTextureMapper.cpp #1210496:1210497
@@ -58,14 +58,14 @@
     // As our tile resolution doubles with each level we calculate
     // the tile level from tilesize and the globe radius via log(2)
 
-    qreal  linearLevel = ( 2.0 * (qreal)( radius )
+    qreal  linearLevel = ( 4.0 * (qreal)( radius )
                                / (qreal)( m_tileSize.width() ) );
     int     tileLevel   = 0;
 
     if ( linearLevel < 1.0 )
         linearLevel = 1.0; // Dirty fix for invalid entry linearLevel
 
-    qreal tileLevelF = log( linearLevel ) / log( 2.0 ) + 1.0;
+    qreal tileLevelF = log( linearLevel ) / log( 2.0 );
     tileLevel = (int)( tileLevelF );
 
 //    mDebug() << "tileLevelF: " << tileLevelF << " tileLevel: " << tileLevel;
@@ -73,8 +73,7 @@
     if ( tileLevel > m_tileLoader->maximumTileLevel() )
         tileLevel = m_tileLoader->maximumTileLevel();
 
-    if ( tileLevel != m_tileLevel ) {
-        m_tileLoader->flush();
+    const bool changedTileLevel = tileLevel != m_tileLevel;
 
         //    mDebug() << "Texture Level was set to: " << tileLevel;
         m_tileLevel = tileLevel;
@@ -95,6 +94,9 @@
         m_toTileCoordinatesLon = (qreal)(m_globalWidth / 2 - m_tilePosX);
         m_toTileCoordinatesLat = (qreal)(m_globalHeight / 2 - m_tilePosY);
 
+    if ( changedTileLevel ) {
+        m_tileLoader->flush();
+
         emit tileLevelChanged( m_tileLevel );
     }
 }
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