Quick fixes.

          FileName trackingCubeFileName(trackingGroup.findKeyword("FileName")[0]);

          Cube trackingCube(trackingCubeFileName);

          // Read the cube DN value from TRACKING cube at location (piLine, piSample) 

          // // Read the cube DN value from TRACKING cube at location (piLine, piSample)

          Portal trackingPortal(trackingCube.sampleCount(), 1, trackingCube.pixelType());

          trackingPortal.SetPosition(piSample, piLine, 1);

          trackingCube.read(trackingPortal);

          // FIXME: will need to be changed for whatever base + index DN value we end up using. 

          int trackingTableIndex = (unsigned int)trackingPortal[0]; 

          // // FIXME: will need to be changed for whatever base + index DN value we end up using.

          // int trackingTableIndex = (unsigned int)trackingPortal[0] - VALID_MINUI4;

          // Get the input file name and serial number

          Table trackingTable(m_tableMosaicSrc);

          trackingCube.read(trackingTable);

          int numRecs = trackingTable.Records();

          if(trackingTableIndex >= 0 && trackingTableIndex < numRecs) {

            psSrcFileName = QString(trackingTable[trackingTableIndex][0]);

            psSrcSerialNum = QString(trackingTable[trackingTableIndex][1]);

          }

          Table table(m_tableMosaicSrc);

          trackingCube.read(table);

          TrackingTable trackingTable(table);

          psSrcFileName = trackingTable.pixelToFileName(trackingPortal[0])

          // int numRecs = trackingTable.Records();

          // if(trackingTableIndex >= 0 && trackingTableIndex < numRecs) {

          //   psSrcFileName = QString(trackingTable[trackingTableIndex][0]);

          //   psSrcSerialNum = QString(trackingTable[trackingTableIndex][1]);

          // }

        }

        // Backwards compatability. Have this tool work with attached TRACKING bands

        else if(cCube->hasTable(m_tableMosaicSrc)) {