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(Stranger )
10/01/04 02:25 PM
GIS - Which way to go? new Report this article as Inappropriate to us !!!Login to Reply


We are developing an online interactive asset map. We're going to use it to map 1000's of different assets across a large geographic area. We have access to the maps but I am looking for info on web GIS applications.

This application needs to allow us to view the information in a visually simple way with the ability to drill down to the depth of information that will be captured using large detailed data sets from different organisations. When you click on an asset icon you must be able to view details relating to this project. We need to be able to extract reports from the data sets as viewed on the map. These 'assets' will need to be viewable as text only, also viewable on a map (that will drill down from national to street level), the map pages will need to load quickly and assessable to people using a dialup connection. The application must be able to archive hisotial assets and data so that trends over time can be viewed on a map.

The asset map will need to look and be user friendly. We will need different authentication levels so that different people can view different levels of information. The application needs to be solid, scalable and reliable.

One vendor has told us we need the following:
ArcGIS Server Software (complies with international web mapping standards)

- ArcSDE
- ArcIMS
- ArcGIS Portal Server

However now people are suggestion SVG, XML, GML. Can anyone suggest why one approach might be better than another and what is the future for web mapping - is it GML? I know very little about GIS and even less about GML/XML but some guidance around the best direction to go in would be appreciated so that 'm not just getting vendor advice.


(Stranger )
10/06/04 01:07 AM
Re: GIS - Which way to go? [re: tom20]Report this article as Inappropriate to us !!!Login to Reply


How many datasets types do you need to access and do you need to access them live (i.e. 1 oracle database or 2000 seperate GIS and CAD files). I would also ask if you need to comply with international web server standards though OGC (Open Geospatial Consortium) like WMS (Web Map Server Raster)), WFS (Web Feature Server (Vector), WTS (Web Terrain Server (3D grids). Which means do you want other people to access your data though thier GIS or simply contribute to a industry or national sharing of data. Not many of the GIS server based applicaitons access all of the data from disperate sources live so it depends on your data you want to query and how static it is and if you want to translate it (duplicating the data) before you serve it. For example a Docuemnt managment system could do what you describe but has a completly different data structure to a GIS and would not allow you to do spatial queries. so start with the data and then look for a system that gives you what you want. I would say there are several solutions I can think of out there so you really need to decide on price, interopabiltiy and key functionality.

The ESRI solution although powerful is not cheap and not very interoprable or easy to develop but does offer a lot of power. Other GIS Web servers which are pretty good at reading many datasets live and don't require Middleware and have far more OGC credentials than ESRI are GeoMedia web server (Intergraph), Cadcorp ASC or GeognoSIS (Cadcorp).

GML is a OGC file format based on XML so is not really for serving on the Web although a similar structure is used within OGC WFS which streams vector data live.

SVG is not a geospatial format although it allows you to server vectors to your client browser) I'm not sure if you need either of these.

All the best


(Stranger )
01/08/09 01:45 AM
Re: GIS - Which way to go? new [re: tom20]Report this article as Inappropriate to us !!!Login to Reply

Hi Tom


Have you considered Mapguide?  This is AutoDesk's solution, and is 100% compatible with ESRI.  Contact me at

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