Fix spiceserver issues when format is GTiff

Author: acpaquette

isis/src/base/apps/spiceinit/SpiceClient.cpp

@@ -77,6 +77,12 @@ namespace Isis {
 
     raw += "  <label>\n";
     stringstream str;
+    // Force BandSequential format as a hack to avoid issues 
+    // opening/operating on GTiff formated data
+    PvlObject& core = cubeLabel.findObject("IsisCube").findObject("Core");
+    if (core.findKeyword("Format")[0] == "GTiff") {
+      core.findKeyword("Format") = "BandSequential";
+    }
     str << cubeLabel;
     raw += QString(QByteArray(str.str().c_str()).toHex().constData()) + "\n";
 

isis/src/base/objs/Cube/Cube.cpp

@@ -926,7 +926,9 @@ namespace Isis {
           realDataFileLabel(), true);
     }
     else if (m_format == GTiff) {
-      m_dataFile->close();
+      if (m_dataFile) {
+        m_dataFile->close();
+      }
       m_geodataSet = GDALDataset::FromHandle(GDALOpen(m_dataFileName->expanded().toStdString().c_str(), eAccess));
       if (!m_geodataSet) {
         QString msg = "Opening GDALDataset from [" + m_dataFileName->name() + "] failed with access [" + eAccess +"]";