| The Thematic Mapping Module imports, displays, queries, and colors ESRI Shape Files based on attribute data.  This tool can send the results to a Map Module's overlay. To open the Thematic Mapping module:
                                                                        Main module: Tools > Thematic Mapper 
                                                                        Click the Thematic mapper   button on the Main module toolbar Getting StartedCreating a Well Theme from Petra Project Data
                                                                     Adding a New Theme from a Shape File
                                                                     Copying Themes
                                                                     Removing a ThemeChanging Theme Order
                                                                     Working with Multiple Themes
                                                                     Using Queries to Create Themes
                                                                     Coloring Theme Properties
                                                                     Clipping a Theme's Extents
                                                                     Sending a theme to a Map Module Overlay Layer
                                                                     Create and export a "WSN" list file from a well theme
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