[fdo-commits] r2539 - trunk/Providers/SDF/Docs/doc_src/group_and_page_definitions

svn_fdo at osgeo.org svn_fdo at osgeo.org
Thu Feb 15 15:42:50 EST 2007


Author: gregboone
Date: 2007-02-15 15:42:50 -0500 (Thu, 15 Feb 2007)
New Revision: 2539

Modified:
   trunk/Providers/SDF/Docs/doc_src/group_and_page_definitions/define_pages.h
Log:
FDO4: API - Update API documentation included in the FDO header files

Modified: trunk/Providers/SDF/Docs/doc_src/group_and_page_definitions/define_pages.h
===================================================================
--- trunk/Providers/SDF/Docs/doc_src/group_and_page_definitions/define_pages.h	2007-02-15 20:40:29 UTC (rev 2538)
+++ trunk/Providers/SDF/Docs/doc_src/group_and_page_definitions/define_pages.h	2007-02-15 20:42:50 UTC (rev 2539)
@@ -7,23 +7,34 @@
 that provides access to data in a particular data store. The FDO 
 Provider for SDF provides FDO with access to an SDF-based data store.
 
-<p>The FDO Provider for SDF uses Autodesk's spatial database 
-format, which is a file-based personal geodatabase that supports 
-multiple features/attributes, spatial indexing, 
-interoperability, file-locking, and high performance for 
+<p>The Autodesk SDF file format is a standalone, file-based spatial database 
+format that supports multiple features classes and properties in a single file, 
+and provides spatial indexing, interoperability, and high performance for 
 large data sets.
 </p>
+
 <p>The SDF file format has the following characteristics:
 </p>
+<ul>
+  <li>SDF files can be read on different platforms.
+  <li>One schema in a single SDF file supports multiple feature classes.
+  <li>The SDF file has its own spatial indexing.
+  <li>SDF files can store geometric and non-geometric data with minimum overhead.
+  <li>The SDF file format supports a single writer at any time, with multiple readers.
+</ul>
 
+<p>An SDF schema can support the following:
+</p>
 <ul>
-  <li> SDF files can be read on different platforms.
-  <li> The SDF file format has its own spatial indexing.
-  <li> SDF files can store geometric and non-geometric data with minimum 
-overhead
-  <li>Although it does not support concurrency control (locking), 
-   the SDF file format is a valid alternative to RDBMS.
+  <li>Auto ID generation
+  <li>Exclusive value range constraints
+  <li>Null value constraints
+  <li>Spatial contexts
+  <li>These geometry types: point, line string, polygon, multi-point, multi-line 
+  string, multi-polygon, curve string, curve polygon, multi-curve string, 
+  multi-curve polygon, linear ring, line string segment, circular arc segment, and ring.
 </ul>
+
 <p>
 For more information, see <i>The Essential FDO</i> (FET_TheEssentialFDO.pdf) 
 and the <i>FDO Developer's Guide</i> (FDG_FDODevGuide.pdf).



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