Jan Zak
Software Engineer / Consultant
High-performance Graph and Geospatial Applications
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Services
Posts
Styling ocean depth data in Mapbox Studio
Oceans deserve more attention and a better visual look than just a solid blue color
Scale up your D3 graph visualisation, part 2
WebWorker layout and PIXI.js rendering performance improvements
Scale up your D3 graph visualisation
WebGL & Canvas with PIXI.js
Partial edge drawing
Edge crossings and the resulting visual clutter are hidden in the undrawn parts of the edges
Avoid cycles in Cypher queries
Cypher query that matches cycles can cause unpleasant surprises
Speaker identification meets graphs
Detecting unique speakers across audio recordings
Open-source
pixi-graph
Graph visualization library using PIXI.js and Graphology
deck.gl-leaflet
deck.gl plugin for Leaflet
leaflet-lasso
Lasso selection plugin for Leaflet
cytoscape-lasso
Lasso selection plugin for Cytoscape
cytoscape-mapbox-gl
Mapbox GL plugin for Cytoscape
mapbox-gl-draw-geodesic
Geodesic plugin for Mapbox GL Draw
mapbox-gl-draw-waypoint
Waypoint plugin for Mapbox GL Draw
objectpath
Expression language for querying JSON objects using ANTLR4
cert-chain-resolver
SSL certificate chain resolver
Projects
Weather layers for Mapbox GL JS
Particle animation and color overlay custom WebGL layers
Data: GFS, OSCAR, OSTIA, WAVEWATCH
Climate layers for ArcGIS JS
Color overlay and bioregion vector layers
Data: GFS, CAMS, Natural Earth, OneEarth
Atmospheric pressure contour layer for Leaflet
Isolines, isoline labels, low/high pressure labels
Data: GFS
Sub-sea oil well path
Interactive 3D visualization of sub-sea oil well path
yFiles drill down extension for Tableau
Ribose ISO 10303-11 EXPRESS parser
Language parser using ANTLR4
Jan Zak
Strnadovych 1015/6
190 00 Praha 9
Czech Republic
Reg. no: 76281507
Natural person registered in the Trade Licensing Register of the Czech Republic since 21/4/2008