Programming ArcGIS 10.1 with Python Cookbook: Over 75 by Eric Pimpler

By Eric Pimpler

ArcGIS is an general geographic info approach from ESRI.

This e-book will enable you use the Python programming language to create geoprocessing scripts, instruments, and shortcuts for the ArcGIS computing device environment.

This booklet will make you a greater and effective GIS specialist by way of exhibiting you the way to take advantage of the Python programming language with ArcGIS laptop to automate geoprocessing initiatives, deal with map files and layers, locate and attach damaged info hyperlinks, edit facts in characteristic periods and tables, and masses extra.

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Programming ArcGIS 10.1 with Python Cookbook: Over 75 recipes to help you automate geoprocessing tasks, create solutions, and solve problems for ArcGIS with Python

ArcGIS is an ordinary geographic info method from ESRI.

This ebook will help you use the Python programming language to create geoprocessing scripts, instruments, and shortcuts for the ArcGIS computing device environment.

This ebook will make you a more desirable and effective GIS specialist via exhibiting you ways to exploit the Python programming language with ArcGIS machine to automate geoprocessing projects, deal with map files and layers, locate and attach damaged info hyperlinks, edit facts in characteristic periods and tables, and lots more and plenty extra.

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Additional info for Programming ArcGIS 10.1 with Python Cookbook: Over 75 recipes to help you automate geoprocessing tasks, create solutions, and solve problems for ArcGIS with Python

Example text

Assuming that no exception conditions occur, the code pointer will then jump to the else statement and execute the code block contained by the else statement before moving to the next line of code below the try block. The other type of try statement is the try/finally statement which allows for finalization actions. When a finally clause is used in a try statement, its block of statements always run at the very end, whether an error condition occurs or not. The try/finally statement works as follows.

You can reference either the currently active document or a document at a specific location on disk. To reference the currently active document, you simply supply the keyword CURRENT as a parameter to the MapDocument() function. This gets the currently active document in ArcMap. MapDocument("CURRENT") You can only use the CURRENT keyword when running a script from the ArcGIS Python window or a custom script tool. If you attempt to use this keyword when running a script from IDLE or any other development environment, it won't have access to the map document file currently loaded in ArcGIS.

Format(row[0], row[1])) File I/O You will often find it necessary to retrieve or write information to files on your computer. Python has a built-in object type that provides a way to access files for many tasks. We're only going to cover a small subset of the file manipulation functionality provided, but we'll touch on the most commonly used functions including opening and closing files, and reading and writing data to a file. Python's open() function creates a file object, which serves as a link to a file residing on your computer.

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