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Expert Geospatial Consulting & Assessment

Use cases
Land Registry, Geodesy and Surveying

Expert Geospatial Consulting & Assessment based on databases managed by Lechner Knowledge Center.

Problem description

Preparation of expert reports upon request from citizens, public authorities, or courts, as well as to support internal or external decision-making processes.

Solution workflow

Expert reports & assessments prepared by utilizing our complete database portfolio.

Output

Comprehensive Technical and Expert Reports: Multi-page formal documentation detailing the findings of the inquiry, enriched with high-resolution imagery, empirical spatial data, and detailed visual illustrations.

Related content

Datasets

„Classic” LOD1 building model

LOD1 building model database, created by assigning height values—calculated from an aerial imagery-based nDSM (normalized Digital Surface Model)—to…

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Datasets

„Classic” LOD2 building model

LOD2 building model, compiled and edited using stereo-photogrammetric methods based on custom requirements.

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Use cases

3D Analyses (visibility/viewshed analyses, modeling, simulation, solar potential mapping)

3D Spatial Analysis: Viewshed, simulation, and solar potential assessments for precise, spatial data-driven decision support.

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Use cases

3D Data Application Development

Developing applications for interactive 3D display of building models aligned onto terrain surface models.

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Use cases

3D Point Cloud and Urban Area Modeling

Drone and laser scanner surveys of buildings and districts, producing detailed point clouds and solid models.

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Datasets

Aerial imagery-based colorized digital surface model

Digital Surface Model (DSM) of all land cover features, automatically generated from stereo aerial imagery and enriched with RGB color data from the…

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Datasets

Aerial imagery-based digital surface model

A Digital Surface Model (DSM) representing all land cover features, automatically generated from stereo aerial imagery, without color information.

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Datasets

Aerial imagery-based normalized digital surface model

A relative Digital Surface Model (DSM) representing all land cover features, automatically generated from stereo aerial imagery, without color…

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Datasets

Aerial photographs 2017–2025

Aerial photographs acquired using aerial survey cameras and available in the LLTK remote sensing database.

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Datasets

Aerial Photography-Based Digital Elevation Model

A regular-grid digital elevation model originally digitized from contour lines of topographic maps and subsequently refined through stereo…

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Use cases

Analysis of Satellite Images

A thematic map created through the processing, evaluation, and interpretation of satellite imagery—or simply an answer to a specific question—to…

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Use cases

Archive Aerial Photograph Scanning

Digitization of aerial photograph negatives acquired using analogue technology.

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Datasets

Archive Aerial Photographs

Database containing aerial photographs acquired more than 10 years ago using both digital technology and analogue aerial survey cameras, including…

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Datasets

Archive Cadastral Maps

The cadastral map represents ownership relationships within the territory of settlements at a large scale.

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Datasets

Archive Orthophotos (2015 or Earlier)

Contains orthophotos acquired more than 10 years ago in their original resolution. As state fundamental data and due to their age, they form part of…

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Datasets

Archive Orthophotos (2016 or Earlier, Reduced Resolution)

Contains orthophotos acquired more than 10 years ago at reduced resolution, forming part of the freely accessible archive database.

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Datasets

Areas Affected by Drought Risk

Contains areas identified in the MePAR as being affected by drought risk.

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Datasets

Areas at Risk of Erosion

Contains areas identified in the MePAR as being at risk of erosion.

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Use cases

Automated Spatial Delineation and Interactive Manual Refinement

Nationwide algorithm-driven spatial delineation (Python, SQL) paired with interactive manual refinement tools.

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Datasets

Buildings

Database containing the geometry of buildings shown in the state cadastral map database.

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Datasets

Cadastral Base Map

The Base Map of the State Land Registry Base Map Database comprises the boundaries of land parcels, with parcel numbers maintained as attribute data.

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Datasets

Cadastral Map Database

The Cadastral Map Database is a unified structure, digitally managed geographic information system (GIS) database that contains boundaries,…

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Datasets

Clutter database

A raster dataset generated from databases managed by Lechner Knowledge Center (hierarchy-based raster value assignment).

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Datasets

Contour Lines

A digital vector terrain dataset representing the elevation characteristics of the terrain using contour lines, based on 1:10,000-scale topographic…

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Datasets

Copernicus CLCplus Backbone

A pan-European high-resolution harmonised raster land cover product.

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Datasets

Copernicus Riparian Zones

High-resolution land cover map of riparian zones along rivers and watercourses.

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Use cases

Creating Remote-Sensing Grassland and Crop Maps

LTK has developed a unique remote sensing technology for nationwide mapping of grasslands and crops

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Services

Geoshop

An online specialised system providing a significant part of the Lechner Knowledge Centre's geospatial data related to land registration and geodesy.

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Datasets

LiDAR-based colorized digital surface model

A Digital Surface Model (DSM) of the terrain and all land cover features, derived from LiDAR measurement data and enriched with RGB color information…

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Datasets

LiDAR-based digital surface model

Digital Surface Model (DSM) representing all surface features, generated from LiDAR data.

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Datasets

LiDAR-based Digital Terrain Model (DTM)

A dataset derived from LiDAR measurements describing the elevation characteristics of the terrain.

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Datasets

LiDAR-based LOD1 building model

A building models generated by attributing LiDAR-derived height values to building roof contours extracted from the same LiDAR dataset.

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Datasets

LiDAR-based LOD2 building model

LOD2 (Level of Detail 2) building model automatically derived from LiDAR data.

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Datasets

LiDAR-based normalized digital surface model

A relative Digital Surface Model (DSM) of the terrain and all land cover features, derived from LiDAR measurement data.

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Use cases

Map created using object-based image processing (OBIA)

LTK has developed a unique remote sensing technology for the analysis of remote sensing data to support object recognition.

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Datasets

MePAR Physical Block and Ineligible Area Boundaries

The geometry and identifiers of MePAR physical blocks, as well as the spatial delineation of ineligible areas within the blocks.

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Services

National Geospatial Base Map service (NGMHu)

An online base map service derived from homogeneous state geospatial data sources, integrating 8 thematic groups into a unified map style system for…

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Datasets

National satellite image mosaics

National satellite image mosaics compiled from cloud-free optical satellite images covering short periods of time.

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Datasets

Orthophotos 2017–2025 (basic government data resolution)

Digital orthophoto database of Hungary containing orthophotos acquired within the last ten years and forming part of the basic government data.

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Datasets

Orthophotos 2017–2025 (Reduced Resolution)

Reduced-resolution orthophotos containing the same information content, but not classified as basic government data.

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Use cases

Preparation and calculation of CLC-based input data for ecosystem accounting (2012-2018) for the Hungarian Central Statistical Office (KSH)

Preparation and calculation of land cover (CLC) input data for ecosystem accounts (2012-2018) for the Hungarian Central Statistical Office (KSH).

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Use cases

Preparation of an expert opinion based on the analysis of satellite imagery

Expert opinion prepared through the processing, evaluation, and interpretation of satellite imagery

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Use cases

Preparation of an expert opinion in accordance with Act CXXII of 2013 on Transactions in Agricultural and Forestry Land

Official data service for calculating the 20 km road-distance threshold and identifying neighboring municipalities in accordance with the Hungarian…

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Use cases

Preparation of expert opinion based on remote sensing

Conducting analyses that address technical and other issues based on information derived from LTK’s geographic information systems, remote sensing,…

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Datasets

Radar Interferometry-Based Surface Movement Monitoring Database

Interactive satellite radar-based surface movement monitoring system for Hungary

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Datasets

Remote-sensing Drought Map

A thematic map generated from medium-resolution optical satellite imagery that shows the severity of drought in agricultural areas.

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Use cases

Solar Potential Mapping

A geospatial analysis that utilizes 3D models to simulate light and shadow conditions, providing an accurate assessment of a specific area's solar…

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Use cases

Spatial Data Modeling and Database Design

Designing logical and physical spatial data models, as well as GIS database structures.

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Datasets

Spectral indices derived from satellite imagery

Values derived from optical satellite images using mathematical methods, based on spectral bands, that characterize specific properties of the Earth…

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Datasets

State Topographic Map

Cartographic products depicting natural and artificial features of the Earth's surface using colours and conventional symbols, based on the EOTR map…

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Datasets

Topographic Maps with Hazai Map Sheet Indexing

Cartographic products depicting natural and artificial features of the Earth's surface using colours and conventional symbols, based on the Hazai map…

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Datasets

True orthophoto

True orthophoto databases

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Use cases

UAV Data Collection and Processing (survey-grade imagery, LiDAR, and derived products)

Optical and LiDAR datasets captured via UAV platforms.

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Datasets

Vertical Control Points Database of the National Unified Vertical Network

Contains data on first- and third-order vertical control points, fourth-order primary points, orientation points and fourth-order control points.

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Use cases

Viewshed & visibility analyses

A spatial data analysis and simulation conducted to evaluate the physical and visual intervisibility among specified critical elements, precisely…

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