arcpy and arcgis

这是一本书，主要是写arcgis中python的写法和研究。里面有大量的例子供大家研究参考！ArcPy and arcGis-Geospatial Analysis with PythonCopyright C 2015 Packt PublishingAll rights reserved. No part of this book may be reproduced, stored in a retrievalsystem, or transmitted in any form or by any means, without the prior writtenpermission of the publisher, except in the case of brief quotations embedded incritical articles or reviewsEvery effort has been made in the preparation of this book to ensure the accuracyof the information presented. However, the information contained in this book issold without warranty cither express or implied. Neither the author, nor PacktPublishing and its dealers and distributors will be held liable for any damagescaused or alleged to be caused directly or indirectly by this bookPackt Publishing has endeavored to provide trademark information about all of thecompanies and products mentioned in this book by the appropriate use of capitalsHowever, Packt Publishing cannot guarantee the accuracy of this informationFirst published: February 2015Production reference: 1210215Published by packt publishing ltdLivery place35 Livery streetBirmingham b3 2PB, UKISBN978-178398-866-2www.packtpub.comCreditsAuthorCopy editorSilas TomsAarti saldanhaAdithi ShettyReviewersAlessio di lorenzoProject CoordinatorDara o beirneMilton dsouzaMark PacolliMarjorie RoswellProofreadersSimran bhogalCommissioning EditorJoanna mcmahonAshwin nairBernadette WatkinsAcquisition EditorIndexerPriya sContent Development EditorProduction CoordinatorAkashdeep KundAlwin RoyTechnical editorCover workDeepti TuscanoAlwin Royabout the authorSilas Toms is a geospatial programmer and analyst with a love of geography,history, food, and sports. He resides in the San Francisco Bay Area and can tdecide which side of the Bay is more beautiful. He received a bachelor's degree inGeography from Humboldt State University and is currently pursuing a master'sdegree in GIS at San Francisco State University With a background in GIS analysisfor city governments and environmental consulting, Silas loves the combination ofGIS and Python for analysis automation and data manipulationWorking for Arini Geographics, Silas is helping governments understand how GIscan organize and simplify the management of infrastructure and the environmentThis dual role as a programmer and analyst allows him to use Python and gis toquickly produce geospatial data and tools. Combined with web mapping, thesetools are transforming how governments work to serve the public. He also teachesworkshops on ArcPy and web mapping at the City College of San Francisco, whilehoping to one day finish his master's thesisSilas has worked as a reviewer on the book Python geospatial analysis, PacktPublishing and is working on the book Python Geospatial Development, Packt Publishingto be published in 2015I would like to thank my girlfriend, Christine, for her encouragementand patience. I would like to thank my boss, Gabriel Paun, for hisinspiration and for pushing me to become a true GiS professional. Iwould like to thank the faculty at HsU and SFSU for their help alongthe way, and i would like to thank my family for their belief in meand for never asking me if i was going to become a teacher with mygeography degree(even though i have and I love it!about the reviewersAlessio Di lorenzo is a marine biologist and has an MSc in GeographicalInformation Systems(GiS)and Remote Sensing. Since 2006, he has been dealing withthe analysis and development of gis applications dedicated to the study and spreadof environmental and epidemiological data. I le is experienced in the use of the mainproprietary and open source GIS software and programming languagesDara o beirne is a certified GIS Professional (GiSP)with over eight years of GiSand Python experience. Dara earned both his Bachelors and Masters of Arts degreesin geography from San Francisco State University. Dara is currently a Gis analystworking at Arini Geographics in Santa Clara, CA. Before joining Arini Geographics,Dara was a gis analyst and technical lead at Towill Inc. a gis and Land surveyingcompany in Northern California. At Towill, Dara played a central role in developingand implementing procedures related to the collection and analysis of lidar datafor environmental and engineering applications. Prior to Towill, Dara gained hisprofessional gis experience working for the Golden Gate National Recreation Areamanaged by the National Park Service, one of the largest urban park systems inthe world, which includes national treasures, such as alcatraz, muir woods, andthe marin headlands. His master's Thesis examined the errors associated withmeasuring tree heights in an urban environment with both traditional field methodsand airborne lidar dataI would like to thank my wife, Kate, and daughter, Anya O beirnefor their patience and assistance during the review of this book.Marjorie roswell is a web developer and map maker from Baltimore, MD.Shepurchased her first GIS in 1991, and built an application to assist citizen callers to theBaltimore office of recycling. Recent projects include interactive maps of legislativescores, political endorsements, committees, election data, and advocacy interestsHersitehttp://committeemaps.org/detailsCongressionalcommitteemembershipwhilethesitehttp://farmbillprimer.org/isdevotedtomappingand charting federal food and farm policyMarjorie is the author of drupal 5 views recipes, Packt Publishing She was the technicalreviewer of jQuery ul 1.10, The User Interface Library for j Query, Packt PublishingMark Pazolli is an engineer and data scientist who uses ArcGiS and Python to helphis employers decipher the mountains of data they keep on the assets of the WesternAustralian electrical network. He has qualifications in Electrical Engineering,Computer Science, and applied Mathematics. He appreciates excellent design andenjoys building interesting thingsWww. 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PacktLib is Packt's online digitalbook library Here you can search, access and read Packt's entire library of booksWhy subscribe?Fully searchable across every book published by PacktCopy and paste, print, and bookmark contentOn demand and accessible via a web browserFree access for packt account holdersIfyouhaveanaccountwithpacktatwww.packtpubcom,youcanusethistoaccessPacktLib today and view 9 entirely free books Simply use your login credentials forimmediate accessTable of contentsPrefaceChapter 1: Introduction to Python for ArcGIsOverview of PythonPython as a programming languageInterpreted languageStandard (built-in) libraryThe glue languageWrapper modules778899901The basics of pythonImport statementsVariablesFor loops13If/ElT/Else statements14While statements14Comments15Data types15Strings16Integers16FloatsLists18Dictionaries18Iterable data types19Other important concepts20Indentation20Functions21Keywords21Namespaces21Zero-based indexing22