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  • Free E-book on Multi-Touch Technologies | In usability we trust
    in 2006 Natural User Interface Group NUI Group is an interactive media community researching and creating open source machine sensing techniques to benefit artistic commercial and educational applications It s the largest online 5000 open source community related to the open study of Natural User Interfaces Visit the forum and download the book at www nuigroup com forums Source InUseful se News Interaction design Multi Touch Previous post Google Maps

    Original URL path: http://www.svennerberg.com/2009/06/free-ebook-on-multi-touch-technologies/ (2016-04-28)
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  • Dynamically Toggle Markers in Google Maps | In usability we trust
    setPoint this savePoint this savePoint null catch e It s a dirty solution I know but so far it s the best solution I ve found and it works really well Note I haven t come up with this solution myself but haven t been able to find where I saw it So if you know who did come up with it please tell me so I can give credit where credit is due isHidden The Google Maps API also offers a method to determain if a marker is hidden or not GMarker isHidden If you want to be able to use that you have to prototype it as well GMarker prototype isHidden function if this getPoint lat 90 return true else return false Live examples Live examples of the bug and the solution I ve put together a few examples of different scenarios using this so that you will see the problem as well as the solution to it Using GMarker Using MarkerManager Using MarkerManager fixed Other libraries There are several other libraries for dealing with markers out there and in at least one of them Clusterer I ve noticed the same bug as in MarkerManager The fix proposed in this article will work just fine on that one as well and possibly on other libraries where you might also find this bug If you ve encountered this problem in other libraries please let me know It would also be interesting to see other and possibly more elegant solutions to this problem My Google Maps book If you found this article useful you might be interested in my book Beginning Google Maps API 3 It covers everything you need to know to create awesome maps on your web sites Buy it on Amazon com Tutorials Google Maps Javascript MarkerManager Mashups V 2 Previous post Google Maps API version 3 is released Next post Google Maps API 3 The basics 9 Comments Holger October 12 2009 at 9 21 pm Thank you for sharing that The same problem occurs with MarkerClusterer by Xiaoxi Wu Reply Gabriel Svennerberg October 13 2009 at 9 53 pm Ok I suspected that it would occur in other libraries as well Thanks for letting me know Reply Pär Lindholm January 23 2010 at 4 25 pm Thank you so much I was getting pretty frustrated before stumbeling on your solution Works just perfect Pär Reply NSairam April 12 2010 at 3 05 pm Hi I have found an easy solution for this issue and hope it may help I also tested thoroughly The fix is given below private var mgr MarkerManager if mgr null mgr new MarkerManager map else map clearOverlays mgr clearMarkers map clearOverlays NOTE I have pasted below the complete code for viewing a sample example implemented with the fix for markermanager utitlity bug CDATA import mx controls Alert import com google maps MapEvent import com google maps Map import com google maps overlays Marker import com google maps MapType import com google

    Original URL path: http://www.svennerberg.com/2009/06/dynamically-toggle-markers-in-google-maps/ (2016-04-28)
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  • Google Maps API version 3 is released | In usability we trust
    to be part of the beta testing and has been able to provide feeback directly to the developers So far I think they ve done a great job even if there s still more work to be done The API released now is still in Labs because it s not quite ready yet It only contains a basic set of features that will be further extended Here s a few of the changes Improved performance ecpecialy on Mobile devices The API is now built on an MVC architecture The API key is not required anymore No global variables Everything is now in the google maps namespace I will write more about the changes in the API in in future articles but for now you can read more at the Google Geo Developers Blog Also check out the documentation and the reference News Google Maps Javascript Mashups Previous post Designing Web Interfaces Next post Dynamically Toggle Markers in Google Maps Leave a Reply Cancel reply Your email address will not be published Author Email Website You may use these HTML tags and attributes a href title abbr title acronym title b blockquote cite cite code del datetime em i q cite

    Original URL path: http://www.svennerberg.com/2009/05/google-maps-api-version-3-is-released/ (2016-04-28)
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  • In usability we trust | UX and all things web | Page 3
    was apparently a fake That s too bad because he was quickly becoming the most popular person on Twitter Read all about it at the Next Web Working with Info Windows in Google Maps February 5 2009 Gabriel Svennerberg 54 Comments Having Info Windows in a Google Maps is a powerful way of displaying information about a specific point or object Did you know that there are several kinds of them In this article I will show you how to add different kinds of Info Windows that appear when you click on a marker Continue reading How Spotify have changed the way I listen to music January 30 2009 Gabriel Svennerberg 5 Comments A while I go I wrote an article called Spotify is right on the spot where I described a service called Spotify that let s you listen to music over the Internet I was impressed of how well it worked and of how good the music player was I ve been using Spotify for about four months now and that has been four month of more intense music consumption than usual for me I ve noticed that Spotify has made me listen to music in new ways Continue reading Different approaches to communicate UX design January 29 2009 Gabriel Svennerberg 0 Comments Peter Morville at Semantic Studios has compiled an extensive list of ways to create deliverables to communicate uX designs He writes about this in User Experience Deliverables The article contains a list of 20 techniques with links to further reading on each To make it easier to find suitable techniques he also made a Treasure Map pdf so it s easier to see what your options are Or as Peter himself put it It s hard to find the best trees when we can t see the forest So we often fall back on old habits We churn out wireframes when a story may be worth its weight in gold Some great deliverables stay hidden in plain sight That s why we created this treasure map for our wall and yours Peter Morville The Design of Future Things Book review January 24 2009 Gabriel Svennerberg 0 Comments I ve read a few books by Don Norman before and they have all been a great source of inspiration and full of Aha moments This book doesn t quite reach that same level but I still find it an interesting read The book is basically about how to design intelligent things Some call it ambient computing others discrete computing but it s all about the pitfalls and principles when we try to add intelligence to our daily objects Continue reading Handling Large Amounts of Markers in Google Maps January 13 2009 Gabriel Svennerberg 115 Comments To use markers in Google Maps is fairly trivial at least when you have a reasonable amount of them But once you have more than a few hundred of them performance quickly starts to degrade In this article I will show you

    Original URL path: http://www.svennerberg.com/page/3/ (2016-04-28)
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  • The value of a holistic view | In usability we trust
    of shared holistic understanding consistently designed the best web applications The more each team member understood the business goals the user needs and the capabilities and limitations of the IT environment a holistic view the more successful the project In contrast the more each team member was siloed into knowing just their piece of the whole the less successful the project The conclusion from this is that each member of a project team should at some level be involved in the user research process There should also be lots of information sharing between team members preferably through participation and by oral presentations and discussions of results The dangers of siloing in Joseph Selbie also writes The members of the teams that performed less well not only tended not to understand the application as a whole they saw no need to understand it as a whole programmers did not care to know about users user researchers did not care to know about programming limitations and stakeholders were uninvolved and were considered clueless by the rest of the development team This was a surprisingly common situation in many project teams but one that clearly should be avoided Read more about this and

    Original URL path: http://www.svennerberg.com/2009/05/the-value-of-a-holistic-view/ (2016-04-28)
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  • The rise of Zooming User Interfaces | In usability we trust
    based tool for making zoomable image albums You can either add images directly through a web interface or install a desktop application The desktop application provides you with more powerful tools to design the album as you like You can for example add captions and arrange the images just as you like in it something that s not possible in the web app Example This is an example of a Zoomorama album created with the web application OpenZoom OpenZoom is an open source framework for the use of high resolution images and Zoomable User Interfaces on the web It uses an implementation of the Deep Zoom technique in Flash In part three of Daniel Gasienica article series Inside Deep Zoom there are several examples of implementations of this technique Google Maps With creative use of the Google Maps API some people have created pretty cool ZUI s I m sure that this was not the intended use for the API but hey why not Example of Zooming User Interfaces using the Google Maps API The Kremer Collection The Kremer Collection is a collection of paintings where you can examine the details of a painting by zooming in zkimmer Zkimmer uses the Google Maps API to display magazines Zooming User Interfaces in Comics Cartoonist Daniel Merlin Goodbrey are experimenting with new ways to experience comics In the comic PoCom UK 001 he uses a Zooming User Interfaces for the viewer to read the cartoon Zooming User Interfaces on Mobile devices On mobile devices where screen estate is very limited a Zooming User Interfaces has proved its value to organize information Safari web browser The Safari browser on the iPhone is one example of this By being able to zoom in and out of web pages we overcome the limitations of the small screen On the iPhone there s also the wonders of the multitouch screen which makes it natural to zoom in or out by tapping or by using the pinch maneuver Watch a video on how this works on apple com Firefox Concept Mobile Browser Aza Raskin Head of User Experience at Mozilla Labs has developed a concept for a Firefox Mobile browser that utilizes a zooming interface among other interesting interaction techniques Read more about it on Mozilla Labs and on www azarask in Future concepts Aurora Aurora is a future concept browser that Adaptive Path has developed for Mozilla Labs It utilizes a lot of new interaction ideoms zooming being one of them About 2 minutes into this movie theres a sequence that nicely illustrates a Zooming User Interfaces to browse data In this interface there s also the Z axel which represents time The older the content the farther away it is It also fades with time Check out my article Visualizing the age of content to read more about this concept Aurora Part 1 from Adaptive Path on Vimeo What others have written Dmitry Fadeyev at Usability Post recently wrote an article called Zoomable User Interfaces

    Original URL path: http://www.svennerberg.com/2009/02/the-rise-of-zooming-interfaces/ (2016-04-28)
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  • Twitter is exploding | In usability we trust
    Twitter Today I also learned that Dalai Lama is now on Twitter Watch his profile at OHHDL Pretty soon everyone will be on board I m just waiting to find my mothers Twitter profile If you want to join the trend follow me on Twitter Update Dalai Lama is now following me on Twitter Even though I realize that it s probably not Dalai Lama himself following me but rather someone administrating it for him I can t help thinking that it s pretty cool Update 2 Dalai Lama was apparently a fake That s too bad because he was quickly becoming the most popular person on Twitter Read all about it at the Next Web Articles Social Media Twitter Previous post Working with Info Windows in Google Maps Next post Global variables in Javascript 2 Comments JP February 11 2009 at 9 23 am C mon Did you REALLY think it was the Dalai Lama I m surprised at how many people fell for it Not because it s a dead easy thing to fake But because so many people wanted to follow him I never knew Bhuddism was so popular in the west I kind of wish the charade had gone on for longer Reply Gabriel Svennerberg February 11 2009 at 9 53 am Well I have to admit that I really did Not him in person but maybe someone on his staff or something Although in hindsight it seems naive I think I was blinded by the fact that so many people are recognizing Twitter as an important information channel after Obamas triumph It s a very interesting phenomena though that the charlatan managed to become among the most followed persons on Twitter in just a couple of days I don t think it s because of

    Original URL path: http://www.svennerberg.com/2009/02/twitter-is-exploding/ (2016-04-28)
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  • How Spotify have changed the way I listen to music | In usability we trust
    lowers the threshold for finding new music It encourages me to explore A key factor here is the fast performance of the search box Another important factor is that in the song list I m able to click album name and artist name to get more information related to that Share music By being able to easily share music with friends also using Spotify I frequently discovers new music which increases my music interest I think this is an interesting example of how technology changes the way we behave This service has certainly changed the way i consume music and in the process enriched my life That s how it should work and I m happy when it on these rare occasions do Spotify has clearly met a latent need that I had It would be interesting to know more about the research behind it Improvements While I m able to share music with others I still think it s an area where there s plenty of room for improvements In the current version I have to right click a song album playlist and choose Copy Spotify URI I then have to send this URI to a friend someway who have to execute it somehow for example with Run in Windows I think that the natural progression should be some sort of Social aspect in Spotify In it s simplest form it could be being able to connect with friends using Spotify You could then easily send them songs through the UI of the application Conclusion I think that Spotify is great It s made me listen to more music Has it changed the way that you listen to music Articles Interaction design Spotify Previous post Different approaches to communicate UX design Next post Working with Info Windows in Google

    Original URL path: http://www.svennerberg.com/2009/01/how-spotify-have-changed-the-way-i-listen-to-music/ (2016-04-28)
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