Further updates to flot graphing for raster histogram

qgis · Nov 21, 2011 · d75d8b5 · d75d8b5
1 parent 4f0a35f
commit d75d8b5
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Showing 3 changed files with 34 additions and 18 deletions.
diff --git a/resources/CMakeLists.txt b/resources/CMakeLists.txt
@@ -3,3 +3,4 @@ INSTALL(FILES srs.db qgis.db qgis_help.db symbology-ng-style.xml spatialite.db c
 
 ADD_SUBDIRECTORY(context_help)
 ADD_SUBDIRECTORY(js)
+ADD_SUBDIRECTORY(html)
diff --git a/src/app/qgsrasterlayerproperties.cpp b/src/app/qgsrasterlayerproperties.cpp
@@ -52,6 +52,7 @@
 #include <QMouseEvent>
 #include <QVector>
 #include <QWebView>
+#include <QWebFrame>
 
 
 QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer* lyr, QgsMapCanvas* theCanvas, QWidget *parent, Qt::WFlags fl )
@@ -65,6 +66,8 @@ QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer* lyr, QgsMapCanv
   mRGBMinimumMaximumEstimated = true;
 
   setupUi( this );
+  QString myChartPage = "file:///" + QgsApplication::pkgDataPath() + "/resources/html/chart.html";
+  mWebPlot->load(QUrl( myChartPage ));
   connect( buttonBox, SIGNAL( accepted() ), this, SLOT( accept() ) );
   connect( this, SIGNAL( accepted() ), this, SLOT( apply() ) );
   connect( buttonBox->button( QDialogButtonBox::Apply ), SIGNAL( clicked() ), this, SLOT( apply() ) );
@@ -1855,14 +1858,13 @@ void QgsRasterLayerProperties::refreshHistogram()
   mHistogramProgress->show();
   connect( mRasterLayer, SIGNAL( progressUpdate( int ) ), mHistogramProgress, SLOT( setValue( int ) ) );
   QApplication::setOverrideCursor( Qt::WaitCursor );
-  mWebPlot->setHtml("<h1>Hellow World</h1>");
   // Explanation:
   // We use the gdal histogram creation routine is called for each selected
   // layer. Currently the hist is hardcoded
   // to create 256 bins. Each bin stores the total number of cells that
   // fit into the range defined by that bin.
   //
-  // The graph routine below determines the greatest number of pixesl in any given
+  // The graph routine below determines the greatest number of pixels in any given
   // bin in all selected layers, and the min. It then draws a scaled line between min
   // and max - scaled to image height. 1 line drawn per selected band
   //
@@ -1881,10 +1883,21 @@ void QgsRasterLayerProperties::refreshHistogram()
   {
     QgsRasterBandStats myRasterBandStats = mRasterLayer->bandStatistics( myIteratorInt );
     mRasterLayer->populateHistogram( myIteratorInt, BINCOUNT, myIgnoreOutOfRangeFlag, myThoroughBandScanFlag );
+    QString mySeriesJS = "addSeries([";
+    bool myFirst = true;
     for ( int myBin = 0; myBin < BINCOUNT; myBin++ )
     {
+      if ( ! myFirst )
+      {
+        mySeriesJS += ",";
+      }
       int myBinValue = myRasterBandStats.histogramVector->at( myBin );
+      mySeriesJS += QString("[%1,%2]").arg(myBin).arg(myBinValue);
+      myFirst = false;
     }
+    mySeriesJS += "]);";
+    QgsDebugMsg( mySeriesJS );
+    mWebPlot->page()->mainFrame()->evaluateJavaScript( mySeriesJS );
   }
   disconnect( mRasterLayer, SIGNAL( progressUpdate( int ) ), mHistogramProgress, SLOT( setValue( int ) ) );
   mHistogramProgress->hide();

diff --git a/src/ui/qgsrasterlayerpropertiesbase.ui b/src/ui/qgsrasterlayerpropertiesbase.ui
@@ -15,8 +15,7 @@
   </property>
   <property name="windowIcon">
    <iconset>
-    <normaloff/>
-   </iconset>
+    <normaloff>../../../../../.designer/backup</normaloff>../../../../../.designer/backup</iconset>
   </property>
   <property name="sizeGripEnabled">
    <bool>true</bool>
@@ -234,7 +233,7 @@
                   </property>
                   <property name="icon">
                    <iconset>
-                    <normaloff>../../images/themes/default/mActionFileSave.png</normaloff>../../images/themes/default/mActionFileSave.png</iconset>
+                    <normaloff>../../../../../images/themes/default/mActionFileSave.png</normaloff>../../../../../images/themes/default/mActionFileSave.png</iconset>
                   </property>
                  </widget>
                 </item>
@@ -542,7 +541,7 @@
                   </property>
                   <property name="icon">
                    <iconset>
-                    <normaloff>../../images/themes/default/mActionFileSave.png</normaloff>../../images/themes/default/mActionFileSave.png</iconset>
+                    <normaloff>../../../../../images/themes/default/mActionFileSave.png</normaloff>../../../../../images/themes/default/mActionFileSave.png</iconset>
                   </property>
                  </widget>
                 </item>
@@ -898,7 +897,7 @@
             </property>
             <property name="icon">
              <iconset>
-              <normaloff>../../images/themes/default/mActionFileSave.png</normaloff>../../images/themes/default/mActionFileSave.png</iconset>
+              <normaloff>../../../../../images/themes/default/mActionFileSave.png</normaloff>../../../../../images/themes/default/mActionFileSave.png</iconset>
             </property>
            </widget>
           </item>
@@ -1093,7 +1092,7 @@
               </property>
               <property name="icon">
                <iconset>
-                <normaloff>../../images/themes/default/mActionNewAttribute.png</normaloff>../../images/themes/default/mActionNewAttribute.png</iconset>
+                <normaloff>../../../../../images/themes/default/mActionNewAttribute.png</normaloff>../../../../../images/themes/default/mActionNewAttribute.png</iconset>
               </property>
              </widget>
             </item>
@@ -1110,7 +1109,7 @@
               </property>
               <property name="icon">
                <iconset>
-                <normaloff>../../images/themes/default/mActionContextHelp.png</normaloff>../../images/themes/default/mActionContextHelp.png</iconset>
+                <normaloff>../../../../../images/themes/default/mActionContextHelp.png</normaloff>../../../../../images/themes/default/mActionContextHelp.png</iconset>
               </property>
              </widget>
             </item>
@@ -1124,7 +1123,7 @@
               </property>
               <property name="icon">
                <iconset>
-                <normaloff>../../images/themes/default/mActionDeleteAttribute.png</normaloff>../../images/themes/default/mActionDeleteAttribute.png</iconset>
+                <normaloff>../../../../../images/themes/default/mActionDeleteAttribute.png</normaloff>../../../../../images/themes/default/mActionDeleteAttribute.png</iconset>
               </property>
              </widget>
             </item>
@@ -1138,7 +1137,7 @@
               </property>
               <property name="icon">
                <iconset>
-                <normaloff>../../images/themes/default/mActionCopySelected.png</normaloff>../../images/themes/default/mActionCopySelected.png</iconset>
+                <normaloff>../../../../../images/themes/default/mActionCopySelected.png</normaloff>../../../../../images/themes/default/mActionCopySelected.png</iconset>
               </property>
              </widget>
             </item>
@@ -1165,7 +1164,7 @@
               </property>
               <property name="icon">
                <iconset>
-                <normaloff>../../images/themes/default/mActionFolder.png</normaloff>../../images/themes/default/mActionFolder.png</iconset>
+                <normaloff>../../../../../images/themes/default/mActionFolder.png</normaloff>../../../../../images/themes/default/mActionFolder.png</iconset>
               </property>
              </widget>
             </item>
@@ -1179,7 +1178,7 @@
               </property>
               <property name="icon">
                <iconset>
-                <normaloff>../../images/themes/default/mActionFileSave.png</normaloff>../../images/themes/default/mActionFileSave.png</iconset>
+                <normaloff>../../../../../images/themes/default/mActionFileSave.png</normaloff>../../../../../images/themes/default/mActionFileSave.png</iconset>
               </property>
              </widget>
             </item>
@@ -1350,7 +1349,7 @@
             </property>
             <property name="icon">
              <iconset>
-              <normaloff>../../images/themes/default/mActionNewAttribute.png</normaloff>../../images/themes/default/mActionNewAttribute.png</iconset>
+              <normaloff>../../../../../images/themes/default/mActionNewAttribute.png</normaloff>../../../../../images/themes/default/mActionNewAttribute.png</iconset>
             </property>
            </widget>
           </item>
@@ -1380,7 +1379,7 @@
             </property>
             <property name="icon">
              <iconset>
-              <normaloff>../../images/themes/default/mActionFolder.png</normaloff>../../images/themes/default/mActionFolder.png</iconset>
+              <normaloff>../../../../../images/themes/default/mActionFolder.png</normaloff>../../../../../images/themes/default/mActionFolder.png</iconset>
             </property>
            </widget>
           </item>
@@ -1394,7 +1393,7 @@
             </property>
             <property name="icon">
              <iconset>
-              <normaloff>../../images/themes/default/mActionFileSave.png</normaloff>../../images/themes/default/mActionFileSave.png</iconset>
+              <normaloff>../../../../../images/themes/default/mActionFileSave.png</normaloff>../../../../../images/themes/default/mActionFileSave.png</iconset>
             </property>
            </widget>
           </item>
@@ -1775,6 +1774,9 @@ p, li { white-space: pre-wrap; }
 &lt;table border=&quot;0&quot; style=&quot;-qt-table-type: root; margin-top:4px; margin-bottom:4px; margin-left:4px; margin-right:4px;&quot;&gt;
 &lt;tr&gt;
 &lt;td style=&quot;border: none;&quot;&gt;
+&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;/p&gt;
+&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;/p&gt;
+&lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;/p&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:10pt;&quot;&gt;&lt;/p&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'Sans'; font-size:10pt;&quot;&gt;&lt;/p&gt;
 &lt;p style=&quot;-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;/p&gt;
@@ -1880,11 +1882,11 @@ p, li { white-space: pre-wrap; }
          </property>
          <property name="icon">
           <iconset>
-           <normaloff>../../images/themes/default/mActionFileSave.png</normaloff>../../images/themes/default/mActionFileSave.png</iconset>
+           <normaloff>../../../../../images/themes/default/mActionFileSave.png</normaloff>../../../../../images/themes/default/mActionFileSave.png</iconset>
          </property>
         </widget>
        </item>
-       <item row="0" column="0">
+       <item row="0" column="0" colspan="2">
         <widget class="QWebView" name="mWebPlot">
          <property name="url">
           <url>