26 #ifndef __TERRALIB_WS_OGC_WMSLAYERRENDERER_H    27 #define __TERRALIB_WS_OGC_WMSLAYERRENDERER_H    31 #include "../../../../maptools/AbstractRenderer.h" This is the base class for layers. 
 
Configuration flags for the Terrralib WS OGC WMS DATA ACCESS module. 
 
An Envelope defines a 2D rectangular region. 
 
#define TEOGCWMSDATAACCESSEXPORT
You can use this macro in order to export/import classes and functions from this module. 
 
A canvas is an abstraction of a drawing area. 
 
It renders the data associated to a OGC WMS layer. 
 
It renders the objects associated to a layer.