What is MIME type "application/vnd.maxar.archive.3tz+zip"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

The MIME type application/vnd.maxar.archive.3tz+zip designates a specialized ZIP archive for 3D tiles. It bundles files used to represent geospatial data in 3D formats. Each archive holds different pieces that work together in mapping software.

Files in this archive include metadata in JSON, 3D models in B3DM and I3DM, combined tiles in CMPT, and point cloud data in PNTS.

3D Visualization: Packages detailed 3D data for map and visualization tools.
Data Efficiency: Uses the ZIP format to compress and transfer large datasets effectively.
Interoperability: Combines different tile types to support varied geospatial applications.

The archive ensures that all pieces of a 3D scene are kept together and can be easily loaded by compatible applications. This organization helps in managing complex 3D data while keeping file sizes under control. For more on MIME types and their roles, see MIME on Wikipedia.

Associated file extensions

.json, .b3dm, .cmpt, .i3dm, .pnts

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: application/vnd.maxar.archive.3tz+zip

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="application/vnd.maxar.archive.3tz+zip">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');
    
    http.createServer((req, res) => {
      res.setHeader('Content-Type', 'application/vnd.maxar.archive.3tz+zip');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.json, .b3dm, .cmpt, .i3dm, .pnts

FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.