3D mesh models are three-dimensional visualizations of objects covered with image textures from oblique aerial imagery. The model is created by applying algorithms for automatically matching common points on all images – both oblique and vertical, using data from laser scanning.

Grafika przedstawia zamek Malbork w ujęciu 3d mesh
Figure 1 An example of a 3D mesh model for a city Malbork

3D mesh models can be downloaded for free using the index maps available on the service www.geoportal.gov.pl in group of layers „Data for download”:

Ilustracja przestawia pobieranie danych z serwisu geoportal.gov.pl
Figure 2 illustrates the process of data download from www.geoportal.gov.pl

An alternative way to download data is by connecting to the WMS service available at the address: https://mapy.geoportal.gov.pl/wss/service/PZGIK/NMT/WMS/ModeleSiatkowe3D in opensource software e.g. QGIS.

Rysunek 3 Ilustracja procesu pobierania arkusza ortofotomapy w QGIS
Figure 3 An illustration of the process of downloading an orthophoto sheet w QGIS