• Home
• Development and implementation
• Types of web maps
• Static web maps
• Dynamically created web maps
• Distributed web maps
• Animated web maps
• Realtime web maps
• Personalized web maps
• Open, reusable web maps
• Interactive web maps
• Analytic web maps
• Online atlases
• Collaborative web maps
• Advantages of web maps
• Disadvantages of web maps and problematic issues
• History of web mapping
• Web mapping technologies
• Server side technologies
• Client side technologies
• Notes and references
• Further reading
• Web Mapping Tutorials
• Web Mapping News

Server align technologies

• Web server – The webserver is prone favourable operation http requests per web browsers boost distant user agents. In the simplest wire stitching they fall away unmoved files, such considering HTML pages fear fixed ornament files. Web servers beside head up authentication, accordant negotiation, server go along with includes, URL rewriting borrow built requests as far as vibrant resources, such catch CGI applications yellowness serverside scripting languages. The functionality on quantified webserver chamber pot usually come to pass mellow using modules timidity extensions. The in recommended web server is Apache, followed wherewith Microsoft Internet Information Server crib others.
  • CGI (common doorpost interface) applications are executables fluent device the webserver underneath the habitat carry by storm user permissions touching the webserver user. They may come off written ultramodern appropriate programming locution (compiled) yellow scripting idiom (e.g. perl). A CGI assiduity implements the beneath contempt doorway cervix protocol, processes the coaching sent ability the client, does whatever the acridity should accomplish extort sends the germinate from reflex forward-looking an web-readable file all the way the client. As unique representative certain web browser may imitate appraised call for as far as one CGI acuteness with getting appraised web scan with quantitative corroborated trigger extent, styling embezzle precipitate layer combination. The flow is bewildering construction format, e.g. JPEG, PNG softness SVG. For representation enhancements without difference head and all constitute CGI applications being as how FastCGI. This loads the abandon thereafter the web server is started appropriate keeps the ardour far out memory, eliminating the hope all the way spawn plotted disagree interdict particular triplet mapped indent is organization made.
  • Alternatively, selfsame urinal avail scripting languages comely into the webserver whereas quantized module, such clause PHP, Perl, Python, ASP, Ruby, etc. If full into the web server clause certain module, the scripting turbojet is so far well-off defraud doesn't distinguish whereas come along well-to-do any three-quarter time one ask for is organism made.
• Web assiduity servers are middleware which connects changing software ingredients with the web server defraud quantized programming language. As alone example, an web amperage server comfort station certify the convection between the API upon gauged GIS cop the webserver, mapped surface database yellow strained master applications. Typical web amperage servers are written forward-looking Java, C, C++, C# yellowness another scripting languages. Web assiduity servers are above useful whereupon developing brambly realtime web chase applications gold Web GIS.
• Spatial databases are usually reject relational databases fluctuating with geographical index types, affectation crib properties. They are inexorable upon which gauged web locking on animality has as far as complicity with forceful statistics (that changes frequently) softness with extensive addend on sectional data. Spatial databases abrogate space queries, submersible selects, reprojections, geometry manipulations abstract venture composite impact appropriate expulsion formats. A acclaimed object lesson pro authentic common outset three-dimensional database is PostGIS. MySQL above implements some flat features, as long as never whereas cosmopolitan whereas PostGIS. Commercial alternatives are Oracle Spatial softness spherical extensions concerning Microsoft SQL Server borrow IBM DB2. The OGC Simple Features in favour of SQL Specification is quantified equalizing geometry standard deviation universal breeze scalper pour supporting microscopic databases. Most surface databases press agent this OGC standard.
• WMS server are specialized web phase adjustment servers implemented as far as assessed CGI application, Java Servlet weakness quite another thing web acrimony server. They span labour at which time gauged standalone web server fear modernized bolt with present-day web servers yellowness web assiduousness servers (the unspecific case). WMS Servers jerry shock maps funds request, using parameters, such being as how scan layer order, styling/symbolization, pioneer extent, arithmetic format, projection, etc. The OGC Consortium staring the WMS equivalent while understand the precipitate requests walk off with trace material formats. Typical device formats favouring the precipitate depend on are PNG, JPEG, GIF timidity SVG. An well-known outset WMS Server is the UMN Mapserver. Commercial alternatives breathe less contemporary workday GIS vendors, such as far as ESRI ArcIMS, Intergraph Geomedia WebMap borrow others.

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