Web map services are not straightforward any more. Some are based on complex queries to database like Oracle, MSSQL and PostGIS. This makes it possible for the services to provide highly specialized data views to their clients. Sometimes this is done by having the web map service accepting or forwarding non-standardized parameters. It’s beautiful and confusing at the same time.
My major problem with this practice is not that it is being done, but the lack of standardizations of parameters. I frankly think this is a problem and I am foreseeing it becoming more so as time goes by without any action taken. Continue reading