If you want to use your data in may different clients and/or from a variety of distributed locations - you can look into serving them with as Web Mapping Services (WMS for raster output) or Web Feature Services WFS (for vector output) using an engine like mapserver or geoserver. The data can then be accessed over the web via a lot of different clients, mapserver itself, GGIS, Udig, ArcGIS etc.
Take a look at Mapserver and WMS http://mapserver.gis.umn.edu/docs/howto/wms_server Mapserver and WFS http://mapserver.gis.umn.edu/docs/howto/wfs_server OGC web services workshop http://ms-ogc-workshop.maptools.org/ Practical mapfile sample snipplets http://mappinghacks.com/projects/mapscript/03_mapserver_wfs.html Karsten _____ From: Luis Angel Monge De La Cruz [mailto:[EMAIL PROTECTED] Sent: Monday, December 03, 2007 13:48 Subject: Re: Do Mapserver enables distributed processing spatial data? Thanks for the suggestions. These options sound good. But the reason to have the database in more than one computer, is that really so are available, it is unlikely that the information is integrated into a single site, the application is for risk management, where there are layers of information disseminated in several locations, including various sources, such as graphics files, dbf, and postgresql. I am currently studying for a master and my idea is to propose improvements to mapserver in this regard. ¿how? Developing a mechanism to be included in the file. Map more than one source to a layer, so something like a mirror, and that the choice of the server is based not only on the availability of the source, also the bandwidth , reliability and others. On Dec 3, 2007 6:49 PM, Milo van der Linden < [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > wrote: No, mapserver cannot switch automatically unless you tell it to in a php script or something. But why put these databases on two computers? Why not use a single server that is always on and holds the database? There are many ways to achieve this, but that is basically no mapserver issue. First of all, storing gis data on a single computer always makes it stand alone. Storing it on a server makes it available to the server and to servers with rights on that particular server via the network. Best thing I would do if I where you: - Set up a postGIS spatial database and provide both workstations with access. If you use qGIS or openJump as the GIS client, this is a very workable situation. - If you want to do the same, but with a more commercial solution; consider MapInfo with SQL-server Spatialware or ArcView with SDE. Databases have the advantage that they are designed to be multi-user where as GIS data most of the time is not. Luis Angel Monge De La Cruz schreef: Hi! This is my question. Do Mapserver enables distributed processing spatial data? Information - Two computers - Each computer has a spatial database - What happen?. If I want to obtain a spatial data from the computer # 1 through mapserver and is not available this database. Can mapserver look so automatic that spatial data in the database from the computer computer # 2? -- Milo van der Linden skype: milovanderlinden [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.3dsite.nl De informatie in dit bericht reflecteert mijn persoonlijke mening en niet die van een bedrijf of instantie. Aan de informatie kunnen geen rechten worden ontleend. Indien dit bericht onderdeel is van een forum, mailing-list of community dan gelden automatisch de bij het betreffende medium behorende voorwaarden. The information in this message reflects my personal opinion and not that of a company or public body. All rights reserved.If this message is contained in a mailing-list or community, the rights on the medium are automatically adapted.
