Autodesk 15606-011408-9008 User Guide - Page 184
Raster Image Catalog RIC file, Relational Database Management System RDBMS
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primary key A field or combination of fields that uniquely identifies each record in a table. The primary key is used to link the records to map features that share the same primary key. See also key and primary key field. primary key field A field or combination of fields that uniquely identify each record in a table. The primary key is used to link the records to map features that share the same primary key. See also key and primary key. project drawing file An Autodesk Map DWG drawing file with additional project information including links to a set of attached source drawing, coordinate system information, options, and other settings. projection See map projection and coordinate system. properties The parameters and settings for a map feature or layer. For example, the properties of a line layer include the SDF file containing the lines, the display styles (such as the color and thickness), and more. Raster Image Catalog (RIC) file A file containing a list of raster image files. Raster Image Catalog files allow a map author to use multiple raster images on the same layer in a map. This is useful if the images are set up to look like a single image (tiled), because you can create one layer with many images, rather than creating a separate layer for each image. Autodesk MapGuide Author allows only one image file or RIC per layer. raster image file A file containing an image such as a photograph that is stored in a grid of pixels (or cells), unlike SDFs, which store spatial data as vectors (lines). The ability to overlay vector data on raster data is a key feature of Autodesk MapGuide. For example, you can display a raster image file containing a photograph of a particular area, and then overlay a layer of streets and ZIP code boundaries to help identify landmarks in the photograph. Because raster images store a value for every pixel in the grid, rather than storing only the vertices of the lines as SDFs do, raster image files can be quite large and require greater amounts of memory to process. RDBMS See Relational Database Management System. Relational Database Management System (RDBMS) A database that can include links to other databases, so that when you update the data in one database, the linked database is updated as well. See also database. report An HTML page generated by a script you create using a third-party tool like ColdFusion from Macromedia. The report provides information about the selected map features or a point you specify, depending on the settings you specify in Autodesk MapGuide Author. When a user chooses to view the report, Autodesk MapGuide Server sends the selected map features or specified point to the report script, which then extracts attribute data from a database for those map features or that point, and then displays the HTML page in your Web browser with the results. Examples of reports might be demographic data for the specified layers or the latitude/longitude of the specified point. resource A file that contains spatial data or attribute data that you can use in a map layer. A resource can be a Spatial Data File (SDF), Raster Image File, Zoom Goto specification, or attribute database. RIC See Raster Image Catalog File. scale See map scale. scale range See display range. 184 | Glossary