Category Archives: OpenSource
Joy of Open Source
*** update IV/2017: from comment below, check this great raster plug-in from Victor Veralde Gutiérrez too: https://github.com/IHCantabria/Leaflet.CanvasLayer.Field/ *** I have got great, absolutely amazing joy today from my own open source experiment. In 2014, nearly 2 years ago, I have published … Continue reading
WebGL polyline tessellation with MapBox-GL-JS
update 09/20015 : test of tesspathy.js library here . Other sources to look: http://mattdesl.svbtle.com/drawing-lines-is-hard https://github.com/mattdesl/extrude-polyline https://forum.libcinder.org/topic/smooth-thick-lines-using-geometry-shader *** original post *** This post attempted to use pixi.js tessellation of the polyline, this time let’s look on how mapbox-gl-js can do this. In short … Continue reading
Data Visualisation with d3.js Cookbook
bought this great book on d3.js (Data-Driven documents), written by Nick Qi Zhu D3 can plot map in various projections, however do not expect to get same set of (overlapping) functionality as Leaflet or OpenLayers. D3 can extend these mapping frameworks. … Continue reading
Leaflet, WebGL / Canvas tiled vectors
Update June 2014: Simple point WebGL sample is here: Cool WebGL and Canvas demo of vector drawing in Leaflet 0.8 ! WebGL: http://vector.io/vector-map/ Canvas : http://vector.io/vector-map/#canvas GitHub project: https://github.com/bcamper/vector-map
Leaflet 0.7 vs. OpenLayers 3 beta 1 on iOS
Made quick test of these 2 +1 HTML5 renderers on iOS running inside iOS app in the WebView, that is without Nitro acceleration. All run on iPad Air Leaflet 0.7 : great , works fine, everywhere, doesn’t load while dragging … Continue reading
OpenLayers or GoogleMap v3 for mobile web app ?
[2014 January] UPDATE : new Openlayers 3 beta 1 works quite well on iPad as well as Laeflet 0.7, check post here: https://blog.sumbera.com/2014/01/23/leaflet-0-7-vs-openlayers-3-beta-1-on-ios/ [2011 September] UPDATE : new Openlayers 2.11 works quite well on iPad/iPhone. I have experimented with OpenLayers … Continue reading
iKatastr
iKatastr enables to view cadastral information in Czech Republic and view the owner of the parcel/building. I would like to mention here few technical details – iKatastr is actually less programmed but more configured. iKatastr on mobile uses Universal Map Format that defines the data sources … Continue reading
OLON in MapShake
It has been a while since I have created WMSBinder.( http://www.sumbera.com/lab/wmsbinder/getcap.htm) Finally I have updated and merged it with MapShake (create new map). So you can enjoy it inside the environment that can store your open layers maps and share them … Continue reading
