[Chameleon] Some functional questions

Hilbert Schraal H.Schraal at wisdom.nl
Tue May 9 05:46:19 EDT 2006

Hi all,

Currently, I'm working on the technical design of an application, for which Chameleon/MapServer is considered to be a candidate, together with the commercial products of ESRI and Intergraph. The clients would like to use open source software, but only if possible.

There are some (ok, quite some... ;) functionalities of which I'm not sure they are supported by Chameleon/MapServer Also, I'm not very experienced in GIS, so I'm still trying to get a feeling of what is 'normal' GIS functionality and what's not. Maybe you can answer my questions?

/ possibility to draw data as a bar or circle chart on the (thematical) map.
/ possibility to show more than one map at a time.
/ Possibility for users to add their own thematical data. This data should only be visible for the user that enters the data and can be removed when the user logs off.
/ let the (web)user dynamically change the class borders of the legend.
/ let the user change the legend's colors (the colors of the map) dynamically.
/ let the user draw points/lines/polylines on the map, at certain coordinates, with the possibility to add (identifying) texts to the points. These points/lines/polylines should only be visible for the user that enters them and can be removed when the user logs off.
/ draw buffers around the points/lines/polylines, with a user specifyable radius.
/ possibility to add text to the points.
/ Import points/polylines in GPX format
/ Import points/polylines in CSV format
/ Export map to Google Earth format (KML)
/ Show aerial imagery behind the map (the map becomes transparent).
/ Let the user select geographical objects by query (value > n and value < m)

This is quite a list, but if someone can answer only one, I'm already helped.


Drs. Hilbert Schraal
Senior developer

Helperpark 288

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Wisdom is een IT-dienstverlener gespecialiseerd in applicatieontwikkeling en systeemintegratie op het Java/J2EE en Microsoft .Net platform. Wisdom vormt samen met The Missing Link de Wisdom Groep.

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