OpenLayers Schuyler Erle Christopher Schmidt. What is OpenLayers?

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OpenLayers

Schuyler Erle <sderle@metacarta.com>Christopher Schmidt <crschmidt@metacarta.com>

What is OpenLayers?

What is OpenLayers?

An API for building web map applications

What is OpenLayers?

An API for building web map applications Pure client-side JavaScript

What is OpenLayers?

An API for building web map applications Pure client-side JavaScript “AJAX”

What is OpenLayers?

An API for building web map applications Pure client-side JavaScript “AJAX” “Web 2.0”

What is OpenLayers?

An API for building web map applications Pure client-side JavaScript “AJAX” “Web 2.0”

What is OpenLayers?

An API for building web map applications Pure client-side JavaScript “AJAX” Supports open standards

What is OpenLayers?

An API for building web map applications Pure client-side JavaScript “AJAX” Supports open standards Supports closed standards, too

What is OpenLayers?

An API for building web map applications Pure client-side JavaScript “AJAX” Supports open standards Supports closed standards, too BSD licensed

Quick Demonstration

Tiling Zoom in/out Panning Zoom Box!

History of the Project

Started after Where 2.0 in 2005

History of the Project

Started after Where 2.0 in 2005 Motivated by MetaCarta's business needs

History of the Project

Started after Where 2.0 in 2005 Motivated by MetaCarta's business needs Went through several internal revisions

History of the Project

Started after Where 2.0 in 2005 Motivated by MetaCarta's business needs Went through several internal revisions Final rewrite took only a month

History of the Project

Started after Where 2.0 in 2005 Motivated by MetaCarta's business needs Went through several internal revisions Final rewrite took only a month Released before Where 2.0 in 2006

History of the Project

Started after Where 2.0 in 2005 Motivated by MetaCarta's business needs Went through several internal revisions Final rewrite took only a month Released before Where 2.0 in 2006 Already used by > 10,000 people

OpenLayers Features: Layers

OGC WMS OGC WFS GeoRSS CSV ka-Map WorldWind (*) Canvas

Google Maps MSN Virtual Earth Yahoo! Maps Multimap

OpenLayers Features: Controls

Zoom / Pan Zoom Bar Mouse controls Layer Switcher (aka “legend”) Scale Ratio Scale Bar Permalink

OpenLayers Features: et cetera...

Markers Popups Feature objects Event handling ... and, of course ...

OpenLayers Features: et cetera...

Markers Popups Feature objects Event handling “AJAX”

OpenLayers: WMS

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

OpenLayers: WMS

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

OpenLayers: WMS

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

OpenLayers: WMS

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

OpenLayers: WMS

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

OpenLayers: WMS

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

OpenLayers: WMS

(demo)

OpenLayers + ka-Map

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'});

map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'});

map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

OpenLayers + ka-Map

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); var kamap = new OpenLayers.Layer.KaMap( "KaMap", "http://openlayers.org/world/index.php", {g: "satellite", map: "world"}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); var kamap = new OpenLayers.Layer.KaMap( "KaMap", "http://openlayers.org/world/index.php", {g: "satellite", map: "world"}); map.addLayer(wms); map.zoomToMaxExtent(); </script></body></html>

OpenLayers + ka-Map

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); var kamap = new OpenLayers.Layer.KaMap( "KaMap", "http://openlayers.org/world/index.php", {g: "satellite", map: "world"}); map.addLayers([wms, kamap]); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'}); var kamap = new OpenLayers.Layer.KaMap( "KaMap", "http://openlayers.org/world/index.php", {g: "satellite", map: "world"}); map.addLayers([wms, kamap]); map.zoomToMaxExtent(); </script></body></html>

OpenLayers + ka-Map

(demo)

Google Maps in OpenLayers

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var layer = new OpenLayers.Layer.Google("Google"); map.addLayer(layer); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var layer = new OpenLayers.Layer.Google("Google"); map.addLayer(layer); map.zoomToMaxExtent(); </script></body></html>

Google Maps in OpenLayers

(demo)

MSN Virtual Earth in OpenLayers

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var layer = new OpenLayers.Layer.VirtualEarth("MSN VE"); map.addLayer(layer); map.zoomToMaxExtent(); </script></body></html>

<html><head><script src="http://openlayers.org/api/2/OpenLayers.js"></script></head><body> <div style="width:100%; height:100%" id="map"></div> <script defer="defer" type="text/javascript"> var map = new OpenLayers.Map('map'); var layer = new OpenLayers.Layer.VirtualEarth("MSN VE"); map.addLayer(layer); map.zoomToMaxExtent(); </script></body></html>

MSN Virtual Earth in OpenLayers

(demo)

Commercial Layers in OpenLayers

Additionally, OpenLayers supports...

Commercial Layers in OpenLayers

Y! Maps

Additionally, OpenLayers supports...

Commercial Layers in OpenLayers

Y! Maps MultiMap

Additionally, OpenLayers supports...

Commercial Layers in OpenLayers

Y! Maps MultiMap (insert your own here)

Additionally, OpenLayers supports...

OpenLayers: Transparent WMS

var map = new OpenLayers.Map('map');

var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );

var twms = new OpenLayers.Layer.WMS( "World Map", "http://world.freemap.in/cgi-bin/mapserv?", {map: '/www/freemap.in/world/map/factbooktrans.map', transparent:'true', layers: 'factbook', 'format':'png'} );

map.addLayers([wms,twms]);

map.zoomToMaxExtent();

var map = new OpenLayers.Map('map');

var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );

var twms = new OpenLayers.Layer.WMS( "World Map", "http://world.freemap.in/cgi-bin/mapserv?", {map: '/www/freemap.in/world/map/factbooktrans.map', transparent:'true', layers: 'factbook', 'format':'png'} );

map.addLayers([wms,twms]);

map.zoomToMaxExtent();

OpenLayers: Transparent WMS

(demo)

OpenLayers: WFS

OpenLayers.ProxyHost="/cgi-bin/proxy.cgi?url=";

var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );

var layer = new OpenLayers.Layer.WFS( "Owl Survey", "http://www.bsc-eoc.org/cgi-bin/bsc_ows.asp?", {typename: "OWLS", maxfeatures: 30});

map.addLayers([wms,georss]);

map.zoomToMaxExtent();

OpenLayers.ProxyHost="/cgi-bin/proxy.cgi?url=";

var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );

var layer = new OpenLayers.Layer.WFS( "Owl Survey", "http://www.bsc-eoc.org/cgi-bin/bsc_ows.asp?", {typename: "OWLS", maxfeatures: 30});

map.addLayers([wms,georss]);

map.zoomToMaxExtent();

OpenLayers: WFS

OpenLayers.ProxyHost="/cgi-bin/proxy.cgi?url=";

var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );

var layer = new OpenLayers.Layer.WFS( "Owl Survey", "http://www.bsc-eoc.org/cgi-bin/bsc_ows.asp?", {typename: "OWLS", maxfeatures: 30});

map.addLayers([wms,georss]);

map.zoomToMaxExtent();

OpenLayers.ProxyHost="/cgi-bin/proxy.cgi?url=";

var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );

var layer = new OpenLayers.Layer.WFS( "Owl Survey", "http://www.bsc-eoc.org/cgi-bin/bsc_ows.asp?", {typename: "OWLS", maxfeatures: 30});

map.addLayers([wms,georss]);

map.zoomToMaxExtent();

OpenLayers: WFS

(demo)

OpenLayers: GeoRSS

OpenLayers.ProxyHost="/cgi-bin/proxy.cgi?url=";

var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );

var georss = new OpenLayers.Layer.GeoRSS( "GeoRSS", "http://earthquake.usgs.gov/recenteqsww/eqs7day-M2.5.xml" );

map.addLayers([wms,georss]);

map.zoomToMaxExtent();

OpenLayers.ProxyHost="/cgi-bin/proxy.cgi?url=";

var map = new OpenLayers.Map('map'); var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS", "http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );

var georss = new OpenLayers.Layer.GeoRSS( "GeoRSS", "http://earthquake.usgs.gov/recenteqsww/eqs7day-M2.5.xml" );

map.addLayers([wms,georss]);

map.zoomToMaxExtent();

OpenLayers: GeoRSS

(demo)

OpenLayers: Markers

var map = new OpenLayers.Map('map');

var markers = new OpenLayers.Layer.Markers("Markers"); map.addLayer(markers);

var point = new OpenLayers.LonLat(5, 40) var marker = new OpenLayers.Marker(point); markers.addMarker(marker);

map.zoomToMaxExtent();

var map = new OpenLayers.Map('map');

var markers = new OpenLayers.Layer.Markers("Markers"); map.addLayer(markers);

var point = new OpenLayers.LonLat(5, 40) var marker = new OpenLayers.Marker(point); markers.addMarker(marker);

map.zoomToMaxExtent();

OpenLayers: Markers

var map = new OpenLayers.Map('map');

var markers = new OpenLayers.Layer.Markers("Markers"); map.addLayer(markers);

var point = new OpenLayers.LonLat(5, 40) var marker = new OpenLayers.Marker(point); markers.addMarker(marker);

map.zoomToMaxExtent();

var map = new OpenLayers.Map('map');

var markers = new OpenLayers.Layer.Markers("Markers"); map.addLayer(markers);

var point = new OpenLayers.LonLat(5, 40) var marker = new OpenLayers.Marker(point); markers.addMarker(marker);

map.zoomToMaxExtent();

OpenLayers: Markers

(demo)

OpenLayers: Popups

var markers = new OpenLayers.Layer.Markers("Markers"); map.addLayer(markers);

popup = new OpenLayers.Popup.Anchored("Example", new OpenLayers.LonLat(5,40), new OpenLayers.Size(200,200), "Welcome to Barcelona"); popup.hide(); map.addPopup(popup);

var point = new OpenLayers.LonLat(5, 40) var marker = new OpenLayers.Marker(point); markers.addMarker(marker);

marker.events.register( "click", marker, function (e) { popup.toggle() } );

var markers = new OpenLayers.Layer.Markers("Markers"); map.addLayer(markers);

popup = new OpenLayers.Popup.Anchored("Example", new OpenLayers.LonLat(5,40), new OpenLayers.Size(200,200), "Welcome to Barcelona"); popup.hide(); map.addPopup(popup);

var point = new OpenLayers.LonLat(5, 40) var marker = new OpenLayers.Marker(point); markers.addMarker(marker);

marker.events.register( "click", marker, function (e) { popup.toggle() } );

OpenLayers: Popups

var markers = new OpenLayers.Layer.Markers("Markers"); map.addLayer(markers);

popup = new OpenLayers.Popup.Anchored("Example", new OpenLayers.LonLat(5,40), new OpenLayers.Size(200,200), "Welcome to Barcelona"); popup.hide(); map.addPopup(popup);

var point = new OpenLayers.LonLat(5, 40) var marker = new OpenLayers.Marker(point); markers.addMarker(marker);

marker.events.register( "click", marker, function (e) { popup.toggle() } );

var markers = new OpenLayers.Layer.Markers("Markers"); map.addLayer(markers);

popup = new OpenLayers.Popup.Anchored("Example", new OpenLayers.LonLat(5,40), new OpenLayers.Size(200,200), "Welcome to Barcelona"); popup.hide(); map.addPopup(popup);

var point = new OpenLayers.LonLat(5, 40) var marker = new OpenLayers.Marker(point); markers.addMarker(marker);

marker.events.register( "click", marker, function (e) { popup.toggle() } );

OpenLayers: Popups

(demo)

OpenLayers: Custom Controls

var controls = [ new OpenLayers.Control.PanZoomBar(), new OpenLayers.Control.MouseDefaults(), new OpenLayers.Control.Scale(), new OpenLayers.Control.Permalink() ];

var map = new OpenLayers.Map('map', { controls: controls });

var controls = [ new OpenLayers.Control.PanZoomBar(), new OpenLayers.Control.MouseDefaults(), new OpenLayers.Control.Scale(), new OpenLayers.Control.Permalink() ];

var map = new OpenLayers.Map('map', { controls: controls });

OpenLayers: Custom Controls

(demo)

Contributing to OpenLayers

Visit the website: http://openlayers.org/

http://openlayers.org/

Contributing to OpenLayers

Visit the website: http://openlayers.org/ Join the mailing lists

http://openlayers.org/

Contributing to OpenLayers

Visit the website: http://openlayers.org/ Join the mailing lists Meet on irc.freenode.net #openlayers

http://openlayers.org/

Contributing to OpenLayers

Visit the website: http://openlayers.org/ Join the mailing lists Meet on irc.freenode.net #openlayers Submit a contributor agreement

http://openlayers.org/

Contributing to OpenLayers

Visit the website: http://openlayers.org/ Join the mailing lists Meet on irc.freenode.net #openlayers Submit a contributor agreement Start sending patches!

http://openlayers.org/

Appreciation

John Frank at MetaCarta for believing in the idea

MetaCarta generally for employing us and sending us here

Appreciation

John Frank at MetaCarta for believing in the idea

MetaCarta generally for employing us and sending us here

Erik Uzureau and Phil Lindsay for making it happen

The growing OpenLayers community

Appreciation

John Frank at MetaCarta for believing in the idea

MetaCarta generally for employing us and sending us here

Erik Uzureau and Phil Lindsay for making it happen

The growing OpenLayers community You, for your time and interest

http://openlayers.org/

Schuyler Erle <sderle@metacarta.com>Christopher Schmidt <crschmidt@metacarta.com>

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