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EUROPEAN ORGANISATION FOR THE SAFETY OF AIR NAVIGATION EUROCONTROL EUROPEAN AIR TRAFFIC MANAGEMENT AIXM Primer Edition : 4.5 Edition Date : 20/03/2006 Status : Released Issue Class : General Public AIXM Primer 2 Edition Number: 4.5 AIXM PRIMER Table of Contents Document Identification Sheet .................................................................................................... ix Executive Summary .................................................................................................................... xi 1. Document Status ............................................................................................................ xi 1. Introduction ............................................................................................................................ 1 2. AIXM and the AICM ............................................................................................................... 3 2.1. Purpose of this Chapter ................................................................................................. 3 2.2. Unique Identifiers ......................................................................................................... 3 2.3. Feature-Entity Correspondence and Complex Properties .................................................. 4 2.4. Data Types ................................................................................................................... 4 2.5. Deprecated Elements ..................................................................................................... 5 2.6. AICM Rules ................................................................................................................. 5 3. Basic Concepts ........................................................................................................................ 7 3.1. AIXM Features Types ................................................................................................... 7 3.2. Feature Attributes .......................................................................................................... 7 3.3. Feature Identification .................................................................................................... 9 3.4. Feature Relationships .................................................................................................. 11 4. AIXM Schema Files ............................................................................................................... 13 4.1. Inclusions ................................................................................................................... 13 4.2. AIXM Data Types ....................................................................................................... 13 5. AIXM Message Types ............................................................................................................ 15 5.1. AIXM-Update ............................................................................................................. 15 5.1.1. General ............................................................................................................ 15 5.1.2. Groups ............................................................................................................ 16 5.1.3. New feature ..................................................................................................... 16 5.1.4. Changed Feature .............................................................................................. 16 5.1.5. Withdrawn Feature ........................................................................................... 19 5.1.6. Corrections to AIXM-Update messages ............................................................. 19 5.1.7. Aspects of Usage .............................................................................................. 19 5.2. AIXM-Snapshot .......................................................................................................... 22 6. Data Integrity ........................................................................................................................ 23 6.1. Introduction ................................................................................................................ 23 6.2. CRC Algorithm ........................................................................................................... 23 6.3. Note with regard to the EAD Implementation of AIXM ................................................. 25 A. AIXM-AICM Mappings ........................................................................................................ 27 A.1. Mapping of AIXM Features to AICM Entities, plus natural key compositions ................ 27 B. CRC Java Code ..................................................................................................................... 41 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：AIXM_Primer_4.5
