Note: Google Maps Engine has been deprecated as of January 20, 2015.

Google Maps Engine will continue to work through January 29, 2016, and will no longer be available after that date.

Uploading folders

To upload a large quantity of files, put them into folders and upload the folders. A folder upload can include multiple separate folders or a hierarchy of nested folders.

There are no limits on the number of files per folder or the total number of files in an upload, but the files must conform to the same specifications as files that you upload individually. Files need not have unique names.

Here are a few things to consider before you do a bulk upload:

  • Chrome browser only: Bulk folder uploads are supported only in the Google Chrome browser. The option doesn't appear in Google Maps Engine when you're using other browsers.
  • Folder flattening: Maps Engine adds the files in uploaded folders to the Data section of its catalog, where there are no levels, folders or hierarchies. As a result, the hierarchy implied by folders that hold the source data isn't maintained.
  • Organization of source files: When you organize the files and folders to upload, keep these things in mind:
    • The folders (directories) don't have to be on your local computer, but you need to have access to them.
    • The folders must contain actual files. Maps Engine does not follow symbolic links to other locations.
  • Tags for uploaded data: When you upload data, you can tag all the data sources in the upload. It's crucial to tag all uploaded data with a unique string that identifies the upload operation, as the default tag does. After the upload, you can use the tag to search for and check status of the uploaded data sources in Maps Engine.
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