scripting arcgis

8/6/2019 Scripting Arcgis

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Scripting/Automating/Scripting/Automating/

Customizing ArcGISCustomizing ArcGIS

And other ways of streamliningAnd other ways of streamliningyour workflowyour workflow

Tom SchwartzmanTom Schwartzman

ESRI BostonESRI Boston

July 13, 2005July 13, 2005


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GoalsGoals

Learn about:Learn about:

Geoprocessing (automation)Geoprocessing (automation)

Scripting (automation)Scripting (automation)

CustomizingCustomizing


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ExpectationsExpectations

WeWere not going write code todayre not going write code today

We will look at some samples andWe will look at some samples and

learn how to install themlearn how to install them

This is basic/intermediate userThis is basic/intermediate user--levellevel


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Geoprocessing FrameworkGeoprocessing Framework ToolsTools CommandsCommands ModelsModels ScriptsScripts Analysis platformAnalysis platform FlexibleFlexible ExtendableExtendable


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ArcToolboxArcToolbox

AA dockabledockable window in ArcMap andwindow in ArcMap and

ArcCatalogArcCatalog


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ArcToolboxArcToolbox

Can create your own toolboxesCan create your own toolboxes

Store on disk or in a geodatabaseStore on disk or in a geodatabase

Holds tools and modelsHolds tools and models

Can be shared with othersCan be shared with others


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The Command LineThe Command Line

ItIts back, and hass back, and hasintellisenseintellisense


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Using ModelbuilderUsing Modelbuilder Models are created inModels are created in

the Modelbuilder windowthe Modelbuilder window

Color coded by objectColor coded by objecttypetype DataData ToolTool

ResultResult Models can be convertedModels can be converted

to scriptsto scripts PythonPython

vbScriptvbScript JscriptJscript

Run processes in batchRun processes in batch


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Modelbuilder FunctionalityModelbuilder Functionality Models can be made flexible with parameters thatModels can be made flexible with parameters that

can be input at run timecan be input at run time Variables can hold user defined constantsVariables can hold user defined constants Tests of conditions can be used for branchingTests of conditions can be used for branching Preconditions can be set on processesPreconditions can be set on processes Models can call other ModelsModels can call other Models


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Adding DataAdding Data Add featureAdd feature

classes toclasses to

modelmodel Drag andDrag andDropDrop

Add from fileAdd from filesystemsystem

Add LayerAdd Layerfrom ArcMapfrom ArcMap


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Adding ToolsAdding Tools Add tools toAdd tools to

modelmodel

Drag andDrag andDrop fromDrop fromToolboxToolbox

ConnectConnectpiecespieces


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Model ParametersModel Parameters Data and variablesData and variables

can be used ascan be used as

model parametersmodel parameters Data to be input atData to be input atrun timerun time

Data to be outputData to be outputat the end toat the end to

another destinationanother destination


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Variables and PreconditionsVariables and Preconditions Variables hold constantVariables hold constant

values, or can be set asvalues, or can be set asparametersparameters

Preconditions determinePreconditions determinethe order of execution forthe order of execution forprocessesprocesses Drawn in diagram with aDrawn in diagram with a

dashed linedashed line


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Export from ModelbuilderExport from Modelbuilder Models can beModels can be

converted to scriptsconverted to scripts

PythonPython vbScriptvbScript JscriptJscript

Scripts cannot thenScripts cannot then

be exported back tobe exported back tomodelsmodels Modified Script canModified Script can

then be added as athen be added as aScript Tool in aScript Tool in atoolboxtoolbox


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Introduction to PythonIntroduction to Python Free and powerful scripting languageFree and powerful scripting language

Interactive execution window:Interactive execution window: PythonWinPythonWin Basic development environment: IDLEBasic development environment: IDLE

Widely accepted scripting languageWidely accepted scripting language Can do many tasks in addition to working with theCan do many tasks in addition to working with the

geoprocessing (geoprocessing (gpgp) framework) framework Python PagePython Page http://http://www.python.orgwww.python.org

Microsoft PageMicrosoft Pagehttp://www.microsoft.com/technet/scriptcenter/schttp://www.microsoft.com/technet/scriptcenter/scripts/python/default.mspxripts/python/default.mspx contains list of Windowscontains list of Windowssamples scriptssamples scripts

Easy to learn, simple syntaxEasy to learn, simple syntax

Lots of good books out thereLots of good books out there OOReilly Press: Learning PythonReilly Press: Learning Python good for beginnersgood for beginners OOReilly Press: Programming PythonReilly Press: Programming Python good referencegood reference


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The Python scripting languageThe Python scripting language What is Python?What is Python?

An openAn open--source, objectsource, object--oriented, scriptingoriented, scriptinglanguagelanguage

Can view and modify source codeCan view and modify source code

Easy to useEasy to use

Why use Python?Why use Python? Offers IDEs with debugging toolsOffers IDEs with debugging tools

Modular, can be broken apartModular, can be broken apart

Cross platformCross platform

Ability to compile scriptsAbility to compile scripts

Installed with ArcGIS 9 and ESRI samplesInstalled with ArcGIS 9 and ESRI samples

providedprovided

Python

script

Python

script


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Writing Python ScriptsWriting Python Scripts Python scripts canPython scripts can

be written inbe written inNotepad, or anyNotepad, or any

text editor, free,text editor, free,shareware, or paidshareware, or paid TextPadTextPad UltraEditUltraEdit KomodoKomodo

PythonWinPythonWin andandIDLE come with theIDLE come with theinstallationinstallation Environments toEnvironments to

write, save, run, andwrite, save, run, and

debug codedebug code

Samples useSamples usePythonWinPythonWin


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User Interface CustomizationUser Interface Customization Toolbars andToolbars and

some windowssome windowsareare dockabledockable

Double clickDouble click

title to autotitle to auto--dock/undockdock/undock

Hold CTRL keyHold CTRL key

down to avoiddown to avoidautoauto--dockingdocking


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ToolbarsToolbars Change locations of buttons/tools,Change locations of buttons/tools,

delete/add buttons/toolsdelete/add buttons/tools

Create your own toolbar with your choiceCreate your own toolbar with your choice

of buttons/toolsof buttons/tools

Available by usingAvailable by usingCustomizeCustomizedialogdialog

ToolsTools

CustomizeCustomize DoubleDouble--click in empty area of toolbarclick in empty area of toolbar

RightRight--click and chooseclick and chooseCustomizeCustomize


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ToolbarsToolbars

Lots of useful buttons/tools exist butLots of useful buttons/tools exist but

are not on any toolbar.are not on any toolbar.

Examples:Examples: Clear SelectedClear Selected

Zoom to SelectedZoom to Selected

Continuous ZoomContinuous Zoom


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SamplesSamples Lots of samples out there from:Lots of samples out there from:

ESRI (Developer Kit CD, onlineESRI (Developer Kit CD, online

http://http://edn.esri.comedn.esri.com))

Users (Users (http://arcscripts.esri.comhttp://arcscripts.esri.com))

Some are VBA scripts (pasted intoSome are VBA scripts (pasted into

VBA editor in ArcMap) and run from aVBA editor in ArcMap) and run from a

buttonbutton--clickclick


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SamplesSamples Some are simply added usingSome are simply added usingAddAdd

from filefrom filein the Customize Dialogin the Customize Dialog


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SamplesSamples Some come with an installer of some sortSome come with an installer of some sort

(batch file, exe, etc)(batch file, exe, etc) And some need more help gettingAnd some need more help getting

registeredregistered..

Regsvr32.exe to register the compiled .Regsvr32.exe to register the compiled .dlldll withwiththe systemthe system

Categories.exeCategories.exe to tell ArcGIS what part of theto tell ArcGIS what part of the

system it belongs in (e.g. sketch tool,system it belongs in (e.g. sketch tool,

rendererrenderer, etc), etc)

Hopefully this is documented with theHopefully this is documented with the

sample!sample!


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TemplatesTemplates Predefined map layouts that can bePredefined map layouts that can be

imported into your current docimported into your current doc

Your layout will change to match theYour layout will change to match thetemplatetemplate

You may lose/gain elements (legend,You may lose/gain elements (legend,

north arrow, etc)north arrow, etc) You wonYou wont lose datat lose data


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TrainingTraining Instructor Led:Instructor Led:

Intro to ArcObjects: Aug 15Intro to ArcObjects: Aug 15--1919 Intro to Python: Sep 8Intro to Python: Sep 8--99

Virtual Campus:Virtual Campus: Customizing ArcGIS 9Customizing ArcGIS 9 Customizing ArcMapCustomizing ArcMap

Exploring VBAExploring VBA

Working with Forms in VBAWorking with Forms in VBA

Working with Variables and Functions in VBAWorking with Variables and Functions in VBA


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scripting arcgis

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