When searching for the default base path for a scene file, ignore fil…

…es on the network (http://, ftp://) since they are not on the local file system. Otherwise, the default base path will be empty. In the event all files are on the network, the base path will be the directory containing the scene file. Also, minor correction to text for Base Path What's This?.

src/Files/SceneFile.cxx

@@ -906,10 +906,15 @@ SceneFile::findBaseDirectoryForDataFiles() const
                     if (useNameFlag) {
                         const AString pathName = scenePathName->stringValue().trimmed();
                         if ( ! pathName.isEmpty()) {
-                            FileInformation fileInfo(pathName);
-                            const AString dirName = fileInfo.getAbsolutePath().trimmed();
-                            if ( ! dirName.isEmpty()) {
-                                directoryNames.insert(dirName);
+                            /*
+                             * Need to ignore file on the network
+                             */
+                            if ( ! DataFile::isFileOnNetwork(pathName)) {
+                                FileInformation fileInfo(pathName);
+                                const AString dirName = fileInfo.getAbsolutePath().trimmed();
+                                if ( ! dirName.isEmpty()) {
+                                    directoryNames.insert(dirName);
+                                }
                             }
                         }
                     }
@@ -920,7 +925,12 @@ SceneFile::findBaseDirectoryForDataFiles() const
 
     const std::vector<AString> stringVector(directoryNames.begin(),
                                             directoryNames.end());
-    const AString baseDirectoryName = AString::findLongestCommonPrefix(stringVector);
+    AString baseDirectoryName = AString::findLongestCommonPrefix(stringVector);
+
+    if (baseDirectoryName.isEmpty()) {
+        FileInformation fileInfo(getFileName());
+        baseDirectoryName = fileInfo.getAbsolutePath();
+    }
 
     return baseDirectoryName;
 }

src/GuiQt/SceneBasePathWidget.cxx

@@ -343,7 +343,7 @@ SceneBasePathWidget::whatsThisBasePath()
 {
     const AString text("The Automatic Base Path is the \"lowest level\" path that contains the Scene File and "
                        "all data files referenced by the Scene File.  "
-                       "The directory structure of all files contained in the Scene File relative (at or below) "
+                       "The directory structure of all files contained in the Scene File relative to (at or below) "
                        "the Base Path will be preserved in your dataset when it is downloaded from BALSA and "
                        "unzipped by other users.  You may set a Custom path above the Automatic Base Path, but "
                        "it will add additional, unnecessary path layers to the unzipped dataset.");