OpenLayers Examples by gis.ibbeck.de

	OpenLayers Examples	Description
1.		Vector transformation and labels The example shows the use of proj4js and feature labeling with OpenLayers popups. add labels toggle labels delete labels add vector layers from formats strings delete layers projections: EPSG:900913, EPSG:4326, EPSG:31466
2.		Vector transformation and labels as above, but with a modified Layerswitcher control to set the active layer.
3.		Switching of the Feature Visibility, unique values Use of style rules (addUniqueValueRules) to switch the visibility of features toggle of feature visibility selecting of a feature with radiobuttons open new window with url from attribute "name" of the selected feature
4.		Switching of the Feature Visibility, group values Use of style rules (addUniqueValueRules) to switch the visibility of a group of features toggle visibility of a feature group toggle display of feature popups choose of three different popups popups for editing of feature attributes
5.		Switching of the Feature Visibility, group values, with window control Switching of the Feature Visibility, group values, with dragable control as above, but with controlling the map from a new window or a dragable window.
6.		Switching of the Feature Visibility, group values, wfs layer as 4. example, but added a wfs layer with different feature types wfs request for one or more typenames modified Layerswitcher control to set the active layer SelectFeatureControl for active layer
7.		Distance between two points, Orthodrome and Great Circles Calculation of the distance between two points, the orthodrome and the great circle. calculation of the distance between two points display of the orthodrome between the two points display of the great circles through the two points move the point to new locations input for coordinates of the two points projections: EPSG:900913, EPSG:4326
8.		Image Layer and KML GroundOverlay Add KML GroundOverlay to map image layer as overlay parsing KML for GroundOverlay and adding as image layer to map support for WMC modified layer switcher
9.		Georeferencing of images using feature style 'externalGraphic' Use of OpenLayers feature style 'externalGraphic' to georefence images feature style 'externalGraphic' as image overlay control for modifying the image parameters control for dragging the image use of StyleMap context to calculate the new image parameters for the zoomLevel debug console to write wldfile and KML GroundOverlay for the georeferenced image The examples shows the use of the feature style 'externalGraphic' for image overlays. StyleMap context is used to calculate the right image position and extent for every zoomLevel. With the use of feature style 'externalGraphic' it is also possible to rotate images.
10.		intersection of features Testing for intersection of point, line and polygon using the OpenLayers function intersects().
11.		shortest distance between a line and a point Calculation of the shortest distance between a line (segment) and a point. Source : Minimum Distance between a Point and a Line by Paul Bourke
12.		Use SLD and SLD_BODY for styling WMS layers parameter SLD : use of an external SLD file parameter SLD_BODY : use of url Create filter for styling the world layer (no support for IE)
13.		OpenLayers Format.SLD for WMS and Vector Layer The application shows the possibilities of OpenLayers Format.SLD for coloring and labeling vector and wms layer with SLD. One can create interactive a SLD file and apply it to the selected layer. It's also possible to build a SLD file for own data. same SLD to style Vector and WMS layers feature labels (support for LabelPlacement) one logical filter level two rules and ElseFilter SLD output
	OpenLayers Applications	Description
1.		OLClient - Description A web map client to explore the world wide gis web. raster layer support for Google, WMS, Image vector layer support for WFS, GML, KML, GEORSS, GEOJSON, WKT projection support for EPSG:4326, EPSG:900913, EPSG:31466 (Germany) editing control for drawing points, lines, polygons, regular polygons select, modify and move control import and export of GML, KML, GEORSS, GEOJSON, WKT simple import support for KML GroundOverlay geocoder for geonames.org nearby search for Panoramio, FactBook, Wikipedia feature labels, popups for display or editing of attributes feature style modification layer control for adding and removing layers, changing opacity, toggle feature visibility, ... debug window for exploring, manipulating and extending map objects Some examples to view WMS and SLD to show left-righthand traffic on world map Image layer total population from worldmapper GML layer "Capitols" styled by attribute and labeled by zoom externalGraphic and labels to style features change the feature visibility by rules two mandelbrot fractal layers Projections EPSG:54008 Projections EPSG:54021 Projections EPSG:54027 Projections EPSG:54028 Projections EPSG:54030
2.		Online CGI Mandelbrot Fractal Explorer Explore the mandelbrot fractal with this simple but fast online explorer. selectable color maps selectable iteration deep Introduction at YouTube www.programmableweb.com/mashup/mandelbrot-fractal-explorer Others rolandboon.net, OpenLayers API dunkelraum.com, OpenLayers API randomibis.com, Google API hewgill.com, jQuery mandelbrot.collettivamente.com, CGI www.softlab.ntua.gr, CGI
3.		ClickPoint A little game with OpenLayers on top of Google Maps Find the place shown on the small maps on the large map. When a click on the large map is near the searched place, the map zooms automatically one ore more zoomlevels up. Web Services from geonames.org, search places Web Services from geonames.org, search places in Wikipedia Web Services from geonames.org, findNearby in Wikipedia Web Service Panoramio Introduction at YouTube
4.		Pentomino Puzzle A little game to show some of OpenLayers vector features capabilities. moving, rotating, reflection of features snapping animation
5.		Astropfad Wuppertal Der Astropfad in Wuppertal. Ein Projekt des St�dtischen Gymnasiums Sedanstra�e Der Astropfad vermittelt auf eine einfache aber anschauliche und erfahrbare Art und Weise die Gr��enverh�ltnisse in unserem Sonnensystem. In ma�st�blicher Entfernung von der Sonne (Brunnen Am Werth) sind an den Schnittpunkten der Planetenbahnen mit einer gedachten Gerade in Richtung Schwebebahnstation Vohwinkel Bronzeztafeln mit Informationen zu dem jeweiligen Planeten im Boden eingelassen. Die Anwendung zeigt die Standorte und Fotos der Tafeln. Planeten als Image Layer Tafeln als externalGraphic Labels
6.		bubbles bubbles. Ein weiteres Spiel mit OpenLayers In einem quadratischen Ausschnitt erscheint an zuf�lliger Stelle f�r kurze Zeit ein farbiges Symbol. Die Aufgabe des Spiels besteht darin, das Symbol durch Klick mit der Maus zu fangen.
7.		Landtagswahl NRW 2010 Darstellung der Ergebnisse der Landtagswahl in Nordrhein-Westfalen 2010 Stimmenverteilung mittel MapServer Layer CHART Hervorhebung des selektierten Wahlkreises mittels WFS und OpenLayers GetFeature Control Stimmenverteilung des selektierten Wahlkreises mittels OpenLayers externalGraphic Image Layer zur Darstellung verschiedener Themen
8.		Stahlrohr ExternalGraphic Puzzle - tiled image layer Usage of ExternalGraphic to display tiled images move the tiles to the right place or click the solve button click the explode button to move the tiles The application shows the problem with ExternalGraphic at the edge of the map. If the anchorpoint of the images is outside the view, then they vanish. After panning around to get the point into view, the images will stay.
	Wikipedia POI	Description
1.		Wikipedia POI The points are extracted from wikipedia articles. Wikipedia offers many lists of topographic objects like cathedreals, pyramids, tall buildings. I have parsed these lists to get the articles and the coordinates of these objects. Below are some KML files for different themes. �gyptische pyramiden (59).kml � Atomkraftwerke (262).kml � Bismarckt�rme Deutschland (66).kml � cathedrals (167).kml � diff. structures.kml � Fernseht�rme (84).kml � Formel-1-Rennstrecken (54).kml � Fussballstadien - 10 gr��ten der Welt.kml � Fussballstadien.kml � Fussballstadien WM 2010 in S�dafrika.kml � large dams (15).kml � large doms (43).kml � mosques in asia (65).kml � NASCAR race tracks (97).kml � tall buildings (220).kml � tall dams (79).kml � tall structures (145).kml � tall towers (264).kml � tensile structures (15).kml � thin shell structures (35).kml � tombs and mausoleums (40).kml � Wonders of the World (85).kml � Deutsche Fussballstadien.kml View Wikipedia POI with a little application to jump from POI to POI on Google Satellite. View Wikipedia POI with OLClient Rennstrecken - Circuits � Different Themes � �gyptische Pyramiden - Pyramids of Egypt � Atomkraftwerke - Nuclear Power Stations
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