FME Desktop2009培训手册(英文版)-4 Format Translations.pdf

FME Training Manual Format Translations FME and Data Formats3 Supported Formats 3 Why So Many Formats? 4 Reading or Writing 4 Non-Spatial Formats 5 Licensing and System Requirements 5 Format Plug-Ins 5 Important FME Terminology6 Readers and Writers 6 Datasets and Feature Types 6 Types of Dataset 7 Hierarchical Relationship 9 File and Folder Datasets 9 Controlling Translations 11 Workspace Settings 12 What are Workspace Settings? 12 Basic Workspace Settings 12 Advanced Workspace Settings 13 Read and Write Parameters16 Reader and Writer Parameters 17 Feature Type Parameters 19 Published Parameters21 What are Published Parameters? 21 How to set up Published Parameters 21 How to Use Published Parameters 22 Format Attributes23 What is a Format Attribute? 23 More Format Attribute Examples 23 Format Attributes versus FME Attributes 24 Geometry Model and Format Attributes 24 Filtering with Format Attributes25 Exposing Format Attributes 25 Transforming with Format Attributes 27 AttributeSetter Transformer 27 AttributeCreator Transformer 27 Constants 28 Format Attribute Hazards 28 The FME Readers and Writers Manual29 Format Quick Facts 29 Reader Directives 29 Writer Directives 30 Feature Representation 30 Advanced Format Controls31 The Generic Writer 31 Feature Types to Read 32 Semantic Transformations 33 Supported Geometries 33 Geometry S