GeoTech Group has recently developed capability for photogrammetric mapping and orthophoto production. The key people working in this section have extensive experiences.

Relevant Services

  • Photogrammetric and Orthophoto Mapping (Aerial Photography, Aerial Triangulation, DTM Compilation, Orthophoto and Digital Mapping)

    GeoTech has successfully carried out many photogrammetric projects in Turkey and Saudi Arabia.

    In this category, the following services are carried out by GeoTech:

    • Flight planning and aerial imagery acquisition.
    • Aerial triangulation.
    • Automated & manual DEM (DTM & DSM) compilation and editing.
    • Digital map compilation from stereo photographs (photogrammetric mapping).
    • Orthophoto production and mosaicking.
    • Classification, landuse and clutter determination.
    • Establishment of geodatabase from maps and orthophotos.

  • Satellite Mapping (Satellite Imagery Acquisition, GCP / DEM Compilation, Orthorectification and Vectorization)

    GeoTech Group has completed significant satellite mapping projects using high resolution satellite images: 1.5 million km2 of TK-350 and LANDSAT-7, over 200,000 km2 of IKONOS, QUICKBIRD, GE-1 and WV-2.

    In this category, the following services are carried out by GeoTech:

    • GCP determination by GPS techniques and/or using existing base maps.
    • DEM compilation from stereo images and/or existing base maps.
    • Orthorectification and mosaicking of satellite images.
    • Classification, landuse and clutter determination.
    • Establishment of geodatabase from rectified satellite images.