web mapping
DESCRIPTION
Talk about what relation between web and mapping. Also the process to create and collaborate on-line map using free source like mapserver, geoserver, postgis, openlayer.TRANSCRIPT
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Internet Map Web Map Net-based Map e-map Cyber Map
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System of interlinked hypertext documentsaccessed via the Internet with assist of web browser.
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Visual representation of an area, a symbolic
depiction highlighting relationships between
elements of that space such as objects, regions,
and themes.
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Web maps can easily deliver up to date information
They work across browsers and operating systems
Web maps enable collaborative mapping
Show directions Business …
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Analytic web maps Animated web maps Collaborative web maps Customizable web maps …
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The process of designing, implementing, generating and delivering maps on the World Wide Web
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MangoMap GeoCommon GisCloud
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Designing Implementing Generating Delivering maps on the World Wide Web
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Map data(geospatial data) Vector files DBMS Servers Raster files
Map Projection (WGS 84,UTM...) Style SLD, Map File
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Shapefile (.shp, .shx, .dbf, .prj) Kml Gml
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PostGis MySql Db2 Oracle
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ArcSDE WFS
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GeoTIFF ArcGrid GTopo30 Img+world Mosaic Pyramid
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Geoserver Mapserver GeoWebcach TileCache PostGis
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WFS 1.0, WFS 1.1 WMS 1.1 WCS 1.0, WCS 1.1 GWC KML superoverlays Google maps
tiles
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Shapefile.zip GML2 GML3 GeoRSS GeoJSON CSV/XLS
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PNG, GIF JPEG TIFF-GeoTIFF SVG, PDF KML/KMZ
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GeoTIFF ArcGrid GTopo30 Img+World
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Google Map API V2, V3 OpenLayer ArcGis Javascript API MangoMap And other Flash...
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Raster Data Vector Data
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Satellite Image Aerial Photo
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Point Line Polygon
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X is call a line of latitude Y is call a line of longitudeOn a globe :
- Latitude are offend called parallels, zero-degree parallel is call equator. Latitude line moving from (-900 to 900).- Longitude or meridians, zero-degree meridian called the Prime Meridian run thought England from (-1800 to 1800)
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The way we express an (x,y) pair
Degrees, Minutes, Second,Decimal DegreesMeterUTM (Universal Transverse Mercator)
X,Y expressed in meters instead of degrees
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