I imagine a sort of asynchronous streaming of json (maybe vectiles) in combination of clustering strategies could work,
However I cannot give any example of this, but I dont think that would be that hard to develop. --Max Demars On Sun, Jan 25, 2015 at 4:27 PM, Stephen Woodbridge <wood...@swoodbridge.com > wrote: > On 1/25/2015 4:03 PM, Phil Scadden wrote: > >> On 24/01/2015 11:01 a.m., zach cruise wrote: >> >>> any real world ideas? >>> >> In real world, processing a million points in a browser doesnt happen. >> JS is slow, download time is slow, execution environment in a browser is >> extremely limited. (in my experience, doing more than 1000 points of >> geometry is unacceptably slow in single threaded). Easiest approach for >> doing this in a browser begins with figuring how not to have vector >> data. If this is an offline application, you want to look at local >> server or local database. If you want to go extreme, then maybe look at >> html5 web worker api to go multithreaded but I suspect you are up for >> some pretty major rewrites of OL. >> > > I would concur with this. > What is the basis for the requirement to do all this in the browser? > Is it an online or offline application? > If offline is there any reason you can not have a local database and > server on the offline machine? > > What is the user going to be trying to do with all these point? > > If you have a million points, they can't all be displayed on the screen at > the same time or I would expect that they would all overlap to the point > that you would be hard pressed to display them all in a useful manner where > the user could differentiate them. > > If you are displaying a subset then why not load just the ones you need? > using something like the bounding box strategy. > > I think you need to provide more information about what and how you plan > to use this before people can give you better advice. > > -Steve w > > _______________________________________________ > Users mailing list > us...@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/openlayers-users > -- Stack Overflow: http://stackoverflow.com/users/1914034/burton449 GIS Overflow: http://gis.stackexchange.com/users/14426/burton449 LastFm: http://www.lastfm.fr/user/burton449
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