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Microsoft SQL Server implements extensive support for location-based data. Pro Spatial with SQL Server 2012 introduces SQL Server’s spatial feature set, and covers everything you'll need to know to store, manipulate, and analyze information about the physical location of objects in space. You’ll learn about the geography and geometry datatypes, and how to apply them in practical situations involving the spatial relationships of people, places, and things on Earth. Author Alastair Aitchison first introduces you to SQL Server’s spatial feature set and the fundamental concepts involved in working with spatial data, including spatial references and co-ordinate systems. You’ll learn to query, analyze, and interpret spatial data using tools such as Bing Maps and SQL Server Reporting Services. Throughout, you'll find helpful code examples that you can adopt and extend as a basis for your own projects. Explains spatial concepts from the ground up—no prior knowledge is necessary Provides comprehensive guidance for every stage of working with spatial data, from importing through cleansing and storing, to querying, and finally for retrieval and display of spatial data in an application layer Brilliantly illustrated with code examples that run in SQL Server 2012, that you can adapt and use as the basis for your own projects. What you’ll learn The fundamental concepts involved in working with spatial data, including spatial references and co-ordinate systems How to create and store spatial data using the geometry and geography data types How to use of spatial indexes in the design of highly-performant databases Write spatial queries to answer practical, business questions Pass spatial data seamlessly between database and application layers using T-SQL and C# Overcome common issues, including how to deal with invalid, imprecise, or erroneous spatial data Apply advanced techniques such as routefinding and clustering Who this book is for Pro Spatial with SQL Server 2012 is the go-to book for anyone involved in spatial applications involving Microsoft SQL Server 2012. The book helps database administrators create and optimize the performance of spatial database. The book gives developers what they need to know in order to make effective use of the extensive support for location-based data provided by SQL Server, T-SQL, and C#. Table of Contents1. Spatial Reference Systems 2. Spatial Features 3. Spatial Datatypes 4. Creating Spatial Data 5. Importing Spatial Data 6. Geocoding 7. Precision, Validity, and Errors 8. Transformation and Reprojection 9. Examining Spatial Properties 10. Modification and Simplification 11. Aggregation and Combination 12. Testing Spatial Relationships 13. Clustering and Distribution Analysis 14. Route Finding 15. Triangulation and Tesselation 16. Visualization and User Interface 17. Reporting Services 18. Indexing 19.
A.E. Roy, D. Clarke
Despite remarkable advances in astronomy, space research, and related technology since the first edition of this book was published, the philosophy of the prior editions has remained the same throughout. However, because of this progress, there is a need to update the information and present the new findings. In the fourth edition of Astronomy: Principles and Practice, much like the previous editions, the celebrated authors give a comprehensive and systematic treatment to the theories of astronomy. This reference furthers your study of astronomy by presenting the basic software and hardware, providing several straightforward mathematical tools, and discussing some simple physical processes that are either involved in the astronomer's tools of trade or concerned in the mechanisms associated with astronomical bodies. The first six chapters introduce the simple observations that can be made by the eye as well as discuss how such observations were interpreted by previous civilizations. The next several chapters examine the interpretation of positional measurements and the basic principles of celestial mechanics. The authors then explore radiation, optical telescopes, and radio and high-energy technologies. They conclude with practical projects and exercises. New to the Fourth Edition: Revised values such as the obliquity of the ecliptic Expanded material that is devoted to new astronomies and techniques such as optical data recording A listing of Web sites that offer information on relevant astronomical events Revised and expanded, this edition continues to offer vital information about the fundamentals of astronomy. Astronomy: Principles and Practice, Fourth Edition satisfies the need of anyone who has a strong desire to understand the philosophy and applications of the science of astronomy.