Mapping

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(Created page with '=== Featureserver & Openlayers === They make rich interactive maps on the web easy! Do see: [html://www.ljudmila.org/~luka/featureserver/alt3.html dev map of the World] [html:/...')
 
=== Featureserver & Openlayers ===
=== Featureserver & Openlayers ===
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They make rich interactive maps on the web easy!
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They make rich interactive maps on the web easy! (and browsers breathe heavy)
Do see:
Do see:
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[html://www.ljudmila.org/~luka/featureserver/alt3.html dev map of the World]
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[http://www.ljudmila.org/~luka/featureserver/alt3.html dev map of the World]
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[html://www.ljudmila.org/~luka/featureserver/ proto map of Beijing]
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[http://www.ljudmila.org/~luka/featureserver/ proto map of Beijing]
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=== OpenStreetmap ===
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=== More ===
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We like the freedom in maps made by [http://www.openstreetmap.org/ OpenStreetMap], the open world mapping project. So we use them as the base map for our mapping.
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Here is our
 
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[http://mapbureau.com/rdfmapper/2.0/m.fsp?syntax=rdf&basemap=http://www.ljudmila.org/~luka/rdam-maps/maporama/rotterdam-maporama.xml&content=http://www.ljudmila.org/~luka/frida-v/rotterdam-waypoints.rdf&extractor=extractLocation&pageGen=pageGen0&itemGen=itemGen0&itemTitleGen=itemTitleGen0&styleSheet=http://www.ljudmila.org/~luka/frida-v/style.css&pageTitle="Waypoints in Rotterdam" first test] (or [http://mapbureau.com/rdfmapper/2.0/m.fsp?syntax=rdf&basemap=http://snm02.snm-hgkz.ch/~fv/praktikum/v2/fridav/rotterdam-maporama.xml&content=http://snm02.snm-hgkz.ch/~fv/praktikum/v2/fridav/rotterdam-waypoints.rdf&extractor=extractLocation&pageGen=pageGen0&itemGen=itemGen0&itemTitleGen=itemTitleGen0&styleSheet=http://snm02.snm-hgkz.ch/~fv/praktikum/v2/fridav/style.css&pageTitle="fv Waypoints%20in%20Rotterdam" with swf as basemap])
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===Spatial data standards and formats===
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of the mapbureau rdfmapper service on Rotterdam waypoints.
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Spatial data standards and formats:
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* OpenGIS, WKT, WKB
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* ESRI Shape File, ESRI World File
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* GPX with excelent tool: gpsbabel
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* OpenGIS, WKT, WKB: postgis, featureserver and much other software speak this format for geometries
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* OSM xml: gets the collaborative editing job done
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* ESRI Shape File, ESRI World File: is widespread in GIS industry, can usually be converted to friendlier formats
* GeoTIFF
* GeoTIFF
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* [http://www.litux.org/wiki/SVG SVG] (general vector format, not GIS-specific)
* [http://www.litux.org/wiki/SVG SVG] (general vector format, not GIS-specific)
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===Free GIS Software===
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Free GIS Software:
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* The most accomplished and overwhelming open-source GIS is [http://grass.itc.it/ GRASS].  
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* An easy to use viewer is [http://qgis.sourceforge.net/ Quantum GIS].
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* The most accomplished open-source GIS is [http://grass.itc.it/ GRASS].  
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* The most polished open-source GIS viewer is (still?) [http://thuban.intevation.de/ Thuban].
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* For working with spatial data in a database look at [http://postgis.refractions.net/ PostGIS].  
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* The most polished open-source GIS viewer is [http://thuban.intevation.de/ Thuban].
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* [http://mapnik.org/ Mapnik] is a great rendering engine for maps used by OSM among others.
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* For storing spatial data in a database look at [http://postgis.refractions.net/ PostGIS].  
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* The [http://mapserver.gis.umn.edu/ UMN Mapserver] is a software for creating a web mapping service.  
* The [http://mapserver.gis.umn.edu/ UMN Mapserver] is a software for creating a web mapping service.  
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* [http://www.jump-project.org/project.php?PID=JUMP&SID=OVER JUMP] is an open-source mapping application with a less scary user interface (yay!).
* [http://www.jump-project.org/project.php?PID=JUMP&SID=OVER JUMP] is an open-source mapping application with a less scary user interface (yay!).
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* An easy to use viewer is [http://qgis.sourceforge.net/ Quantum GIS].
 
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* More free spatial software can be found at [http://www.freegis.org/ Free GIS].
* More free spatial software can be found at [http://www.freegis.org/ Free GIS].
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===Visualisation Ideas===
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Visualisation Ideas:
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i don't know what you think about but i guess it could be very interesting to
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create maps telling also something else than "their is an accesspoint on
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* > i don't know what you think about but i guess it could be very interesting to <br>
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street x nr. y". for example there is this story that africa was called "black
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continent" because norhtwestern 'discoverers' couldn't progress into its  
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> create maps telling also something else than "their is an accesspoint on <br>
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inland and so their maps contained a lot of black spots for the 'unknown'  
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areas. i had the idea that a similar aesthetic could be used for warriding  
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> street x nr. y". for example there is this story that africa was called "black <br>
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maps: to maculate rotterdam city maps wherever a wifi accesspoint exists.
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that would contain several intersting aspects which also alows to continue on
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> continent" because norhtwestern 'discoverers' couldn't progress into its <br>
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contents or questions like: where does 'virtual' world overlap with  
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non-virtual (how much is getting black/empty on the map)? who has access to  
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> inland and so their maps contained a lot of black spots for the 'unknown' <br>
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the net, in which areas are most accesspoints (rich or poor, commerce or  
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culture, center or agglomeration, right-wing/left-wing/or non-wing voters)?  
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> areas. i had the idea that a similar aesthetic could be used for warriding <br>
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who are the 'discoverers' and where are their constructing a new  
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map/modell/world? what areas stay unmaculated
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> maps: to maculate rotterdam city maps wherever a wifi accesspoint exists.<br>
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> that would contain several intersting aspects which also alows to continue on<br>
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> contents or questions like: where does 'virtual' world overlap with <br>
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> non-virtual (how much is getting black/empty on the map)? who has access to <br>
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> the net, in which areas are most accesspoints (rich or poor, commerce or <br>
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> culture, center or agglomeration, right-wing/left-wing/or non-wing voters)? <br>
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> who are the 'discoverers' and where are their constructing a new <br>
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> map/modell/world? what areas stay unmaculated<br><br>
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i like this idea. if we put a small (one block) circle around each waypoint we have and compute the union, we'll get the complete coverage or discovered space.<br>
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all unvisited areas could be black on the map, areas with no access points the normal map color, areas with closed ones red, areas with good ones green. <br>
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i like this idea. if we put a small (one block) circle around each waypoint we have and compute the union, we'll get the complete coverage or discovered space.
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all unvisited areas could be black on the map, areas with no access points the normal map color, areas with closed ones red, areas with good ones green.
something like this could look really nice.
something like this could look really nice.
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* beamer/projector:<br>
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====beamer/projector====
for the beamer, we should make something more dynamic and animated, a map scrolling slowly around by itself when noone is interacting with it, zooming in on new data as it comes in and similar. it should be more like a screensaver rather than a web page. it could also well be in 3D.<br>
for the beamer, we should make something more dynamic and animated, a map scrolling slowly around by itself when noone is interacting with it, zooming in on new data as it comes in and similar. it should be more like a screensaver rather than a web page. it could also well be in 3D.<br>
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* web interface with [http://mapbureau.com/rdfmapper/ rdfmapper] and [http://www.blogmapper.com blogmapper]:<br>
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====web interface====
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they are perfect for the web interface, which can be accessed also from the computers in the cartographic command center. we should make a map of each journey and some collated maps like wifi coverage, all media, explored/unexplored areas or similar.<br>
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the interface, which can be accessed also from the computers in the cartographic command center, should make a map of each journey and some collated maps like wifi coverage, all media, explored/unexplored areas or similar.<br>
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technically this is easy, generating xml and jpg files from the collected data. for the images i'd be most happy if we created .svg graphics and then rendered them to jpg with some external tool.<br>
 
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[...] or alternatively develop our maps in flash and have them read the xml off the server. the rdfmapper tools support loading flash basemaps or jpegs.
 
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===Models and Workshop===
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* Models and Workshop:<br>
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[...] whatever visualisation we'll do it should be able to swap the base background map, photo or whatever for one of our maps, and plot the tracks and points over that.
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>> [...] whatever visualisation we'll do it should be able to swap the base <br>
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yes, and maybe it also might be possible to create diagrams or models instead of streetmaps only. like a statistic about in which areas most signal strentgh exists or things with other parameters (see attachments).
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>> background map, photo or whatever for one of our maps, and plot the tracks <br>
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>> and points over that.<br>
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>><br>
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> yes, and maybe it also might be possible to create diagrams or models instead <br>
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> of streetmaps only. like a statistic about in which areas most signal strentgh<br>
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> exists or things with other parameters (see attachments).<br>
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[...] we can do that for the frida display too, especially the wireless data which was the initial focus anyway. besides that i think it would be really exciting especially for the workshop to start creating a free vector dataset (map) of rotterdam, starting small with the big avenues, landmarks, the river and place names. supporting such an activity should be the aim of the mapping interface. we can use our tracks as source data which gets filtered and annotated by the mapmaker becoming part of the free map dataset.
[...] we can do that for the frida display too, especially the wireless data which was the initial focus anyway. besides that i think it would be really exciting especially for the workshop to start creating a free vector dataset (map) of rotterdam, starting small with the big avenues, landmarks, the river and place names. supporting such an activity should be the aim of the mapping interface. we can use our tracks as source data which gets filtered and annotated by the mapmaker becoming part of the free map dataset.
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Workshop:
Workshop:
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"i would expect a number of computers there for the participants to use. i don't need a special computer for frida during the workshop."
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*  "i would expect a number of computers there for the participants to use. i don't need a special computer for frida during the workshop."
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Statistics Rotterdam for thematic models/maps:
Statistics Rotterdam for thematic models/maps:
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* [http://www.rotterdam.nl/smartsite.dws?id=225138 Centre for Research and Statistics (COS)]
* [http://www.rotterdam.nl/smartsite.dws?id=225138 Centre for Research and Statistics (COS)]
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* [http://www.buurtmonitor.nl/rotterdam Swing Online to create maps and tables with statistic data] (see attachments for examples)
* [http://www.buurtmonitor.nl/rotterdam Swing Online to create maps and tables with statistic data] (see attachments for examples)
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* [http://appl.ir.rotterdam.nl/mijnrdam/LocatiePage.aspx Get maps of Rotterdam and its district]
* [http://appl.ir.rotterdam.nl/mijnrdam/LocatiePage.aspx Get maps of Rotterdam and its district]
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Mapping background see also:
Mapping background see also:
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* [http://www.kyb.tuebingen.mpg.de/bu/people/bs/borges.html "Of Exactitude in Science" (J. L. Borges)]
* [http://www.kyb.tuebingen.mpg.de/bu/people/bs/borges.html "Of Exactitude in Science" (J. L. Borges)]

Current revision as of 01:25, 22 March 2009

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