Hello, Ah geological maps! I've solved this problem using many layers and organising them into a hierarchical tree menu (one pro age, unit, etc.) turning them on/off. But having 500+ classes is still a big trouble.
Regards Marc Monnerat Troppenhagen wrote: > Hi list, > > currently I am working on a PHP-Mapscript to display a legend for a > geological map. In general it's nothing to speak of, but geological maps > often have plenty of classes in a layer (the one I'm working on has 182) and > a legend containing all of them would be really huge. It is my intention to > have the legend only show the classes resp. legend items currently visible > inside the actual map extend but I found no way to manage it without > MapScript. Only at one place I found a hint to that feature: Bug # 750. I can > imagine the needs for such MapServer feature is growing. Does anyone have an > idea if this will be implemented in the near future ? > > Best regards > > Horst > > > Federal Institute for Geosciences and Natural Resources > Stilleweg 2 > 30655 Hannover > Germany > Tel.: (+49) 511 / 643-3327 > Fax: (+49) 511 / 643-3782 > mailto:[EMAIL PROTECTED] > http://www.bgr.bund.de > >
