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Team 09 open land use and smart points of interest visualisation using web g layer js library
1. TEAM 9: Open Land Use and Smart Points of Interest
Visualisation Using WebGLayer js Library
INSPIRE Conference, Kehl, 5th Sept 2017
2. TEAM MEMBERS
• Dmitri Kožuch, Lesprojekt služby s.r.o.
INSPIRE Conference, Kehl, 5th Sept 2017
3. SUPPORTING PROJECTS
SDI4Apps finished this year and it was an EU-funded project
managed by the University of West Bohemia from the Czech
Republic. The project is being implemented with the
concerted effort of 18 organizations across Europe. SDI4Apps
seeks to build a cloud-based framework with open API for
data integration focusing on the development of six pilot
applications. The project draws along the lines of INSPIRE,
Copernicus and GEOSS and aspires to build a WIN-WIN
strategy for building a successful business for hundreds of
SMEs on the basis of European spatial data infrastructures.
INSPIRE Conference, Kehl, 5th Sept 2017
4. INPUT DATA
• OLU database for the Czech Republic
• SPOI database for the Czech Republic
INSPIRE Conference, Kehl, 5th Sept 2017
6. PROJECT IDEA AND RESULTS
• The aim was to do some precomputation, i.e. to
precompute ,in which land use type, each SPOI is
lying, and then to visualize the density of SPOI
filtered by different land use types.
• Initially it was thought that the WebGL library is
perfect tool for this task as it would allow interactive
filtering of land use categories. Unfortunately there
wasn’t time for this. So the map was created with the
help of Mapserver and is available now at:
https://goo.gl/pabypt . Two categories of land use
were selected for which heatmaps were constructed:
residential areas and areas used in primary sector of
economy (agriculture, forestry, mines).
INSPIRE Conference, Kehl, 5th Sept 2017
8. PROJECT IDEA AND RESULTS
• The main lesson learnt was that such combination of
these two datasets doesn’t bring anything
unexpected and doesn’t give much insights. What
would be interesting however is to try to use SPOI to
define the land use type of certain OLU objects,
which for now have land use attribute from not so
precise/reliable sources.
INSPIRE Conference, Kehl, 5th Sept 2017
10. REUSE
• The idea to use SPOI in defining land use type of
objects from OLU dataset will be definitely reused.
It is very relevant for instance in Flanders region of
Belgium, where cadastral parcels don’t have land
use attribute and it needs to be derived from
somewhere. For now it was derived from Urban
Atlas and Corine datasets. But it was a very rough
guess. I think using SPOI for this purpose will give
more reliable results.
INSPIRE Conference, Kehl, 5th Sept 2017
11. FOLLOW-UP
• The recomputation of land use type of OLU objects
in Flanders using SPOIs.
INSPIRE Conference, Kehl, 5th Sept 2017