[Digikam-devel] [Bug 111560] Be able to locate photos on a map

[Gilles Caulier]

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http://bugs.kde.org/show_bug.cgi?id=111560         




------- Additional Comments From caulier.gilles free fr  2006-09-22 12:42 -------
SVN commit 587322 by cgilles:

kipi-plugins from trunk : GPSSync tool : added new option to set camera time-zone in hours to match properly all pictures with GPS data using GMT time.

CCMAIL: kde-imaging kde org, alexios.beveratos gmail com, gerhard kulzer net

CCBUGS: 133359, 111560

 M  +13 -3     gpsdataparser.cpp  
 M  +2 -1      gpsdataparser.h  
 M  +45 -2     gpssyncdialog.cpp  


--- trunk/extragear/libs/kipi-plugins/gpssync/gpsdataparser.cpp #587321:587322
 @ -58,13 +58,23  @
     return m_GPSDataMap.count();
 }
 
-bool GPSDataParser::parseDates(QDateTime dateTime, int averageSecs, double& alt, double& lat, double& lon)
+bool GPSDataParser::parseDates(QDateTime photoDateTime, int accuracySecs, int timeZone,
+                               double& alt, double& lat, double& lon)
 {
+    // GPS device are sync in time by satelite using GMT time.
+    // If the camera time is different than GMT time, we need to convert it to GMT time
+    // Using the time zone.
+    QDateTime cameraGMTDateTime = photoDateTime.addSecs(timeZone*3600*(-1));
+
     for (GPSDataMap::Iterator it = m_GPSDataMap.begin();
          it != m_GPSDataMap.end(); ++it )
     {
-        int nbSecs = abs(dateTime.secsTo( it.key() ));
-        if( nbSecs < averageSecs )
+        // Here we check a possible accuracy in seconds between the
+        // Camera GMT time and the GPS device GMT time.
+        
+        int nbSecs = abs(cameraGMTDateTime.secsTo( it.key() ));
+        
+        if( nbSecs < accuracySecs )
         {
             GPSDataContainer data = m_GPSDataMap[it.key()];
             alt = data.altitude();
--- trunk/extragear/libs/kipi-plugins/gpssync/gpsdataparser.h #587321:587322
 @ -50,7 +50,8  @
 
     void clear();
     int  numPoints();
-    bool parseDates(QDateTime dateTime, int averageSecs, double& alt, double& lat, double& lon);
+    bool parseDates(QDateTime photoDateTime, int accuracySecs, int timeZone,
+                    double& alt, double& lat, double& lon);
 
 private:
 
--- trunk/extragear/libs/kipi-plugins/gpssync/gpssyncdialog.cpp #587321:587322
 @ -21,6 +21,7  @
 
 // Qt includes.
 
+#include <qcombobox.h>
 #include <qlayout.h>
 #include <qlabel.h>
 #include <qvgroupbox.h>
 @ -69,10 +70,13  @
         maxGapInput    = 0;
         gpxFileName    = 0;
         gpxPointsLabel = 0;
+        timeZoneCB     = 0;
     }
 
     QLabel             *gpxPointsLabel;
 
+    QComboBox          *timeZoneCB;
+
     KListView          *listView;
 
     KIntSpinBox        *maxGapInput;
 @ -129,7 +133,7  @
     d->listView->addColumn( i18n("Latitude") );
     d->listView->addColumn( i18n("Longitude") );
     d->listView->addColumn( i18n("Date") );
-    d->listView->addColumn( i18n("Extrapoled") );
+    d->listView->addColumn( i18n("Status") );
     d->listView->setResizeMode(QListView::AllColumns);
     d->listView->setAllColumnsShowFocus(true);
     d->listView->setSorting(-1);
 @ -153,12 +157,45  @
     QWhatsThis::add(d->maxGapInput, i18n("<p>Set here the maximum distance in "
                     "seconds from a GPS point that a photo will be matched."));
 
+    QLabel *timeZoneLabel = new QLabel(i18n("Time zone:"), settingsBox);
+    d->timeZoneCB         = new QComboBox( false, settingsBox );
+    d->timeZoneCB->insertItem(i18n("-12"), 0);
+    d->timeZoneCB->insertItem(i18n("-11"), 1);
+    d->timeZoneCB->insertItem(i18n("-10"), 2);
+    d->timeZoneCB->insertItem(i18n("-9"),  3);
+    d->timeZoneCB->insertItem(i18n("-8"),  4);
+    d->timeZoneCB->insertItem(i18n("-7"),  5);
+    d->timeZoneCB->insertItem(i18n("-6"),  6);
+    d->timeZoneCB->insertItem(i18n("-5"),  7);
+    d->timeZoneCB->insertItem(i18n("-4"),  8);
+    d->timeZoneCB->insertItem(i18n("-3"),  9);
+    d->timeZoneCB->insertItem(i18n("-2"),  10);
+    d->timeZoneCB->insertItem(i18n("-1"),  11);
+    d->timeZoneCB->insertItem(i18n("GMT"), 12);
+    d->timeZoneCB->insertItem(i18n("+1"),  13);
+    d->timeZoneCB->insertItem(i18n("+2"),  14);
+    d->timeZoneCB->insertItem(i18n("+3"),  15);
+    d->timeZoneCB->insertItem(i18n("+4"),  16);
+    d->timeZoneCB->insertItem(i18n("+5"),  17);
+    d->timeZoneCB->insertItem(i18n("+6"),  18);
+    d->timeZoneCB->insertItem(i18n("+7"),  19);
+    d->timeZoneCB->insertItem(i18n("+8"),  20);
+    d->timeZoneCB->insertItem(i18n("+9"),  21);
+    d->timeZoneCB->insertItem(i18n("+10"), 22);
+    d->timeZoneCB->insertItem(i18n("+11"), 23);
+    d->timeZoneCB->insertItem(i18n("+12"), 24);
+    QWhatsThis::add(d->timeZoneCB, i18n("<p>Set here the time zone where the "
+                    "pictures were taken in, so that the times of the pictures "
+                    "can be adjusted to match the GPS data"));
+
     settingsBoxLayout->addMultiCellWidget(gpxFileLabel, 0, 0, 0, 1);    
     settingsBoxLayout->addMultiCellWidget(d->gpxFileName, 1, 1, 0, 1);    
     settingsBoxLayout->addMultiCellWidget(d->gpxPointsLabel, 2, 2, 0, 1);    
     settingsBoxLayout->addMultiCellWidget(line, 3, 3, 0, 1);    
     settingsBoxLayout->addMultiCellWidget(maxGapLabel, 4, 4, 0, 0);
     settingsBoxLayout->addMultiCellWidget(d->maxGapInput, 4, 4, 1, 1);
+    settingsBoxLayout->addMultiCellWidget(timeZoneLabel, 5, 5, 0, 0);
+    settingsBoxLayout->addMultiCellWidget(d->timeZoneCB, 5, 5, 1, 1);
 
     // ---------------------------------------------------------------
 
 @ -270,6 +307,7  @
     KConfig config("kipirc");
     config.setGroup("GPS Sync Settings");
     d->maxGapInput->setValue(config.readNumEntry("Max Gap Time", 30));
+    d->timeZoneCB->setCurrentItem(config.readNumEntry("Time Zone", 12));
 
     resize(configDialogSize(config, QString("GPS Sync Dialog")));
 }
 @ -279,6 +317,7  @
     KConfig config("kipirc");
     config.setGroup("GPS Sync Settings");
     config.writeEntry("Max Gap Time", d->maxGapInput->value() );
+    config.writeEntry("Time Zone", d->timeZoneCB->currentItem() );
 
     saveDialogSize(config, QString("GPS Sync Dialog"));
     config.sync();
 @ -293,7 +332,11  @
     {
         GPSListViewItem *item = (GPSListViewItem*) it.current();
         double alt =0.0, lat=0.0, lng = 0.0;
-        if (d->gpxParser.parseDates(item->getDateTime(), d->maxGapInput->value(), alt, lat, lng))
+
+        if (d->gpxParser.parseDates(item->getDateTime(),
+                                    d->maxGapInput->value(),
+                                    d->timeZoneCB->currentItem()-12,
+                                    alt, lat, lng))
         {
             item->setGPSInfo(alt, lat, lng);
             itemsUpdated++;
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