GIS (Geographic Information System)


GIS (Geographic Information System)

ILF provides the following GIS services:

Spatial Analyses

GIS can certainly be used to quickly produce maps and drawings, but what distin­guishes GIS from other programs is the ability to perform spatial analyses. ILF has developed state-of-the-art appli­ca­tions for spatial analyses in the following areas:

  • Corridor analyses for all kinds of linear infra­st­ructure projects, e.g. oil and gas pipelines, road and railway connec­tions, high-voltage power lines, etc.
  • Hydro­power potential studies for different types of hydroelectric power plants
    o    Run-of-river plants
    o    Storage plants
    o    Pumped storage plants
  • Solar power potential studies
  • Topographic analyses
    o    Visibility analysis (line of sight / skyline)
    o    Aspect / slope
    o    Watersheds / catchment areas / flow direction

GIS Support for Major Projects

  • Geodata acqui­sition and processing
    o    Ortho­photos
    o    Elevation data
    o    Authority data
  • Geodata management
    o    Central geoda­tabase (GDB)
    o    Struc­tured data management
    o    Efficient metadata handling
    o    Big data (ortho­photos, LiDAR)
  • Generation of maps and drawings
    o    Route maps
    o    Alignment sheets
    o    Detailed maps
    o    Typical drawings
    o    Planning records with hundreds of maps


ILF advocates web hosting for major projects in order to allow all autho­rized project partners to simul­ta­ne­ously access all available infor­mation. Share­Point serves as document and infor­mation exchange platform and ESRI based WebGIS technology provides the spatial data. All relevant existing and generated geodata are published on WebGIS and can be accessed by autho­rized users, who are assigned specific user rights depending on their function in the project.

Using WebGIS offers many advantages:

  • Quick and easy access to project geodata
  • Simple access via Internet Browser
  • Consistent use of current data for all project parties to minimize incon­sis­tencies in projects
  • Easy commu­ni­cation between project parti­ci­pants working at different locations
  • Consistent QA/QC processes
  • Effective tools for measuring, printing, and performing attribute queries, etc. available to all users
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