Oracle Spatial and Graph Map Visualization Developer's Guide describes how to use the Oracle Spatial and Graph map visualization component (sometimes referred to as the map visualizer or the visualizer), a tool that renders maps showing different kinds of spatial data.


This document is intended primarily for programmers who develop applications that require maps to be drawn. You should understand Oracle Database concepts and the major concepts associated with XML, including DTDs. You should also be familiar with Oracle Spatial and Graph concepts, or at least have access to Oracle Spatial and Graph Developer's Guide.

This document is not intended for end users of websites or client applications.

Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at

Access to Oracle Support

Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit or visit if you are hearing impaired.


This product includes color specifications and designs developed by Cynthia Brewer (

Use of OpenStreetMap (OSM) tiles is subject to their copyright (© OpenStreetMap contributors) and terms of use. For more information, see and

The MVDEMO dataset is from Natural Earth ( See the terms of use at:


The following text conventions are used in this document:

Convention Meaning


Boldface type indicates graphical user interface elements associated with an action, or terms defined in text or the glossary.


Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values.


Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter.