+ experimental STL exporter.

- improve process handling during exporting. This is still WIP.
+ BaseProcess::RequireVerboseFormat.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1062 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/BaseProcess.h

@@ -234,6 +234,11 @@ public:
 	*/
 	virtual bool IsActive( unsigned int pFlags) const = 0;
 
+	// -------------------------------------------------------------------
+	/** Check whether this step expects its input vertex data to be 
+	 *  in verbose format. */
+	virtual bool RequireVerboseFormat() const;
+
 	// -------------------------------------------------------------------
 	/** Executes the post processing step on the given imported data.
 	* The function deletes the scene if the postprocess step fails (