QGIS

Or: what every project should start with

dawid.huczynski.pl/en/lectures/qgis

Height systems

  • PL-KRON86-NH – until December 2023 at the latest
  • PL-EVRF2007-NH

Map projections

What deceives us?

Quiz

Which geographic coordinate system do we use in Poland?

Geodetic reference frames in Poland

the mathematical and physical realisations
of the European Terrestrial Reference System ETRS89,
marked as:

  • PL-ETRF2000
  • PL-ETRF89

Planar (projected) coordinate systems

  • PL-LAEA
  • PL-LCC
  • PL-UTM
  • PL-2000 – 15ºE, 18ºE, 21ºE and 24ºE, numbered 5, 6, 7 and 8.
  • PL-1992

QGIS

A sweet misalliance of Google Maps and the geoportal.

Coordinate system

  • EPSG:2180 - whole of Poland, PL-1992
  • EPSG:2176 - PL-2000/15
  • EPSG:2177 - PL-2000/18
  • EPSG:2178 - PL-2000/21
  • EPSG:2179 - PL-2000/24

Layout

Plugins

  • Pobieracz danych GUGiK (GUGiK data downloader)
  • Usługa Lokalizacji Działek Katastralnych (cadastral plot locator)
  • Przechwyć wysokość GUGiK NMT (pick DTM height)
  • Oblicz Wysokość GUGiK NMT (compute DTM height)
  • Wtyczka APP (spatial planning acts downloader)

Layers

  • raster
  • vector:
    • points
    • lines
    • polygons
  • data

Services

  • XYZ
  • WMS / WMTS
  • WFS

A file that loads the geoportal raster layers:
H:\\05_BIM STANDARD\\QGIS-GEOPORTAL.xml

Geoportal

Analysis

What can we do with this knowledge?

  • check the plot
  • check heights
  • check slopes

GeoTIFF and GeoPDF

Data and layer types

Data

  • Styles
  • Labels
  • Parametrics

Point clouds

Bonus