Getting To Know Arcgis Modelbuilder Pdf Download
Getting to Know ArcGIS ModelBuilder: A Guide for Beginners
ArcGIS ModelBuilder is a powerful tool that allows you to automate geoprocessing workflows and create custom tools in ArcGIS Pro. With ModelBuilder, you can visually design, execute, and share your geoprocessing models as tools that can be run in ArcGIS Pro or published as web services. Whether you are new to ArcGIS Pro or want to learn how to use ModelBuilder more effectively, this article will introduce you to the basic concepts and features of ModelBuilder and show you how to create your first model.
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What is a model?
A model is a workflow that consists of a sequence of geoprocessing tools and data that are connected to perform a specific task. For example, you can create a model that extracts vegetation features from a satellite image, clips them to a study area, and calculates their area and density. A model can also include variables, iterators, logical operators, and other elements that control the flow and behavior of the model.
How to create a model?
To create a model, you need to use ModelBuilder, which is a graphical user interface that allows you to drag and drop data and tools into a model diagram and connect them with lines. You can access ModelBuilder from the Analysis tab on the ribbon in ArcGIS Pro. To start a new model, click the ModelBuilder button in the Geoprocessing group. A blank model view will open in ArcGIS Pro, where you can build your model.
How to add data and tools to a model?
You can add data and tools to your model by dragging them from the map Contents pane, the Project pane, the Geoprocessing pane, or the Catalog pane into the model view. Alternatively, you can search for data and tools by typing keywords in the Add Tools To Model dialog box that appears when you activate the model view. When you add data or tools to your model, they appear as rectangles with different colors and icons. Data rectangles are green or cyan, depending on whether they are input or output data. Tool rectangles are gray or yellow, depending on whether they are ready or not ready to run.
How to connect data and tools in a model?
To connect data and tools in your model, you need to draw lines between them to indicate the order of execution and the data flow. To draw a line, click a data rectangle and drag it to a tool rectangle. A list of tool parameters will appear, where you can choose which parameter to connect the data to. You can also connect the output of one tool as input to another tool by dragging a line between them. When you connect data and tools in your model, the tool rectangles will change from gray to yellow, indicating that they are ready to run.
How to run a model?
To run a model, you can either run it directly from the model view or run it as a tool from the Geoprocessing pane. To run a model from the model view, click the Run button on the ModelBuilder toolbar. The model will execute from left to right, following the connections between data and tools. The progress of each tool will be shown by a blue bar on the tool rectangle. When the model finishes running, the output data will be added to the map display if the Add To Display option is checked for the output variable.
To run a model as a tool from the Geoprocessing pane, you need to save your model first by clicking the Save button on the ModelBuilder toolbar. Then, you can find your model in your project's default toolbox or in any other toolbox where you saved it. You can double-click your model to open its tool dialog box, where you can specify values for any input parameters or change any default settings. You can also access other options such as environment settings, messages, history, and help from the tool dialog box. To run your model as a tool, click the Run button on the tool dialog box.
How to share a model?
You can share your model with other users or publish it as a web service by using the Share tab on the ribbon in ArcGIS Pro. To share your model with other users, you can export it as a toolbox file (.tbx) or a Python file (.py) and send it via email or other methods. You can also package your model with its data and dependencies into a project package (.ppkx) or a geoprocessing package (.gpkx) and upload it to ArcGIS Online or ArcGIS Enterprise.
To publish your model as a web service, you need to sign in to your ArcGIS Online or ArcGIS Enterprise portal and create a web tool from your model. A web tool is an online version of your geoprocessing tool that can be accessed and run by anyone who has permission. To create a web tool from your model, click the Share As Web Tool button on the Share tab. A Share As Web Tool pane will open, where you can configure the properties and settings of your web tool. You can also validate your web tool to check for any errors or warnings before publishing it. To publish your web tool, click the Analyze and Publish button on the Share As Web Tool pane.
Where to learn more?
If you want to learn more about ModelBuilder and how to use it for various geoprocessing tasks, you can refer to the following resources:
The official documentation of ModelBuilder from Esri: [ModelBuilder]
A tutorial on creating tools with ModelBuilder: [ModelBuilder - Creating Tools Tutorial]
A quick tour of ModelBuilder: [What is ModelBuilder?]
How to edit and document a model?
Once you have created a model, you can edit and document it to make it more user-friendly and maintainable. To edit a model, you can use the ModelBuilder toolbar, which provides various options to modify, arrange, and validate your model elements. For example, you can use the Cut, Copy, Paste, Delete, and Undo buttons to edit your data and tools. You can use the Zoom In, Zoom Out, Zoom To Fit, and Pan buttons to navigate your model view. You can use the Align, Distribute, Snap To Grid, and Auto Layout buttons to arrange your data and tools. You can use the Validate button to check your model for any errors or warnings.
To document a model, you can add labels, notes, and metadata to describe the purpose and functionality of your model and its elements. To add a label to a data or tool rectangle, right-click it and choose Rename. To add a note to your model, click the Insert Note button on the ModelBuilder toolbar and type your text in the note box. To add metadata to your model or its elements, right-click them and choose Properties. A Properties dialog box will open, where you can fill in various information such as name, description, tags, credits, usage tips, parameters, environments, and history. How to use iterators and logical operators in a model?
Iterators and logical operators are advanced elements that can enhance the functionality and flexibility of your model. Iterators allow you to loop through a set of inputs and perform the same operation on each input. Logical operators allow you to control the execution of your model based on certain conditions or criteria.
To use an iterator in your model, you need to add it from the Insert menu on the ModelBuilder toolbar. There are different types of iterators that can loop through various inputs, such as feature classes, rasters, tables, fields, values, or files. When you add an iterator to your model, it will appear as a blue rectangle with a circular arrow icon. You can connect the output of the iterator to any tool that accepts the same type of input. You can also access the iteration value and count as variables in your model.
To use a logical operator in your model, you need to add it from the Insert menu on the ModelBuilder toolbar. There are different types of logical operators that can perform various operations, such as comparing values, testing for existence, calculating statistics, or evaluating expressions. When you add a logical operator to your model, it will appear as a blue rectangle with a symbol icon. You can connect the input and output of the logical operator to any data or tool that accepts the same type of input or output. You can also configure the properties and settings of the logical operator by right-clicking it and choosing Properties.
How to create a custom tool from a model?
A custom tool is a geoprocessing tool that is created from your model and can be used in ArcGIS Pro or shared with other users. To create a custom tool from your model, you need to save your model in a toolbox and specify its properties and parameters. A toolbox is a container that stores one or more models or scripts as tools. To save your model in a toolbox, click the Save button on the ModelBuilder toolbar and choose a toolbox from the Save In drop-down list or browse to an existing toolbox. To specify the properties and parameters of your model, right-click your model in the toolbox and choose Properties. A Properties dialog box will open, where you can fill in various information such as name, description, tags, credits, usage tips, parameters, environments, and history.
Once you have created a custom tool from your model, you can run it from the Geoprocessing pane or add it to a geoprocessing toolset or project. A geoprocessing toolset is a collection of related tools that can be grouped together for convenience and organization. To add your custom tool to a geoprocessing toolset, right-click the toolbox where you saved your model and choose New > Toolset. A New Toolset dialog box will open, where you can name your toolset and add tools to it by dragging them from the toolbox. To add your custom tool to a project, right-click the project node in the Project pane and choose Add > Toolbox. A Add Toolbox dialog box will open, where you can browse to the toolbox where you saved your model and