Map Projections for Europe
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Institute for Environment and Sustainability Map Projections for Europe EUROPEAN COMMISSION JOINT RESEARCH CENTRE 2001 EUR 20120 EN Institute for Environment and Sustainability Map Projections for Europe Edited by: A. Annoni1, C. Luzet2, E. Gubler3 and J. Ihde4 1Joint Research Centre 2EuroGeographics 3Bundesamt für Landestopographie, Switzerland 4Bundesamt für Kartographie und Geodäsie, Germany EUROPEAN COMMISSION JOINT RESEARCH CENTRE 2001 EUR 20120 EN LEGAL NOTICE Neither the European Commission nor any person acting on behalf of the Commission is responsible for the use which might be made of the following information A great deal of additional information on the European Union is available on the Internet. It can of accessed through the Europa server (http://europa.eu.int). European Communities, 2003 Reproduction is authorised provided the source is acknowledged. Printed in Italy Content Foreword..................................................................................................... 7 Introduction ................................................................................................ 9 Structure and Objectives of this Report.................................................. 9 JRC-EuroGeographics Map Projections Workshop The workshop Summary - Claude Luzet and Iain Greenway ............. 10 Executive summary ................................................................................. 10 The recommendations in short ............................................................... 10 Agenda.................................................................................................... 10 Represented bodies and organisations................................................... 11 Introduction............................................................................................. 14 European coordinate reference systems................................................. 15 European needs ...................................................................................... 15 Map projections to be used for European purposes............................... 16 Relationship with National Systems ........................................................ 17 Aspects to be further investigated .......................................................... 17 Results dissemination ............................................................................. 18 The EC requirements in terms of Projection Systems - A. Annoni, J. Delincé, A. Wirthmann, C. Steenmans............................................... 19 Introduction............................................................................................. 19 Use of projected data.............................................................................. 19 New trend in EU policies related to geographic information .................. 20 Examples of European requirements ...................................................... 20 Statistical Grids ....................................................................................... 20 Land Use/Cover Area Frame Statistical Survey (LUCAS) ....................... 21 The water directives ................................................................................ 22 Natura2000.............................................................................................. 23 IMAGE 2000 and CORINE Land Cover 2000.......................................... 24 Trans-European-Networks ...................................................................... 24 Integrated Administration and Control System (IACS)............................ 25 Agri-Environmental indicators................................................................. 26 Conclusions............................................................................................. 27 Map Projections for the Layman - Stefan A. Voser.............................. 29 From the Earth Surface to its representation on a Map .......................... 29 Flattening the Earth ................................................................................. 29 Mapping Surfaces ................................................................................... 30 Distortion Properties of Map Projections ................................................ 31 The use of Map Projections .................................................................... 32 Projections and Change of Datum .......................................................... 32 Conclusions............................................................................................. 33 References .............................................................................................. 34 Coordinate Reference Systems used in Europe - Including Map Projections - J. Ihde, J. Luthardt, C. Boucher, P. Dunkley, E. Gubler, B. Farrell, J.A. Torres................................................................................. 35 Introduction............................................................................................. 35 Standardisation Activities........................................................................ 35 Coordinate Reference Systems .............................................................. 36 Coordinate Operations............................................................................ 37 Activities of EUREF and CERCO............................................................. 39 Information system of European Coordinate Reference Systems .............. 39 Map Projections and CRS used in Europe.............................................. 40 Recommendations for pan-European Map Projections.......................... 40 References .............................................................................................. 44 Annex 1 - Schema for describing a coordinate reference system – example ETRS89/Cartesian coordinates ................................. 45 3 Annex 2 - Schema of describing a coordinate operation – example DE_DHDN to ETRS89............................................................... 46 Annex 3 - Letter of CERCO and EUREF to the European National Mapping Agencies .................................................................................. 47 Problems and issues from the perspective of the National Mapping Agencies - Lars E. Engberg .................................................... 48 Background............................................................................................. 48 The Use of Plane Coordinate-systems.................................................... 48 A New Map Projection ............................................................................ 49 Universal Transverse Mercator (UTM) ..................................................... 49 European Transversal Mercator (ETM)? .................................................. 49 Summary................................................................................................. 49 An Equal Area Projection for Statistical Mapping in the EU - Lysandros Tsoulos ..................................................................................... 50 Factors influencing the choice of a suitable projection........................... 50 The projection to be used by EUROSTAT - GISCO ................................ 52 Conclusions............................................................................................. 55 References .............................................................................................. 55 Acknowledgement .................................................................................. 55 New Map Projections for Ireland - Iain Greenway................................ 56 Background and context......................................................................... 56 The need for a new projection ................................................................ 57 Intended properties of the new projections ............................................ 57 Comparison of the proposed projections ............................................... 59 Analysis of proposed projections and their implications......................... 61 References .............................................................................................. 62 Appendix A - Calculation of Scale Factor on the Central Meridian for ITM..................................................................................................... 62 Appendix B - Comparison of Projection Types....................................... 63 European Map Projections and Transformation Procedures. Experiences from the SABE Project - H. Bennat, J. Brennecke, M. Duster, A. Illert, W. Mehlitz, I. Naumann ........................................... 64 Introduction............................................................................................. 64 Map Projections ...................................................................................... 64 SABE....................................................................................................... 64 Transformation Procedure....................................................................... 66 Remarks .................................................................................................. 70 References .............................................................................................. 71 The Future of Coordinate Reference Systems - Stefan A. Voser....... 72 Introduction............................................................................................. 72 Digital