![]() Parameters such as spatial reference system (SRS), boundary rectangle (BBox), picture format (Format), and size (Width, Height). The GetMap request must specify the requested layer (Layers), the styles used by each layer (Styles), ![]() The GetMap request usually uses the HTTP/GET method to call the basic WMS via URL encoding, or it can communicate with a WMS with SLD functionality using HTTP/POST encoding. These layers can be displayed in a certain order on the client side, and transparent pixel technology can be used to display map information from different sources according to human visual requirements. GetMap allows the client to request multiple servers to create overlapping map layers to handle pixel geometry with the same frame of reference, size, and scale. ![]() The GetMap operation is used to generate a map, which can be a set of images or graphic elements.
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