WxGUI Graphical Modeler

Graphical modeler is a wxGUI extension which allows the user to create, edit, and manage models. It's available in GRASS 6.4.2+ from the menu

File → Graphical modeler

See also manual page and wiki page for development issues.

The modeler currently allows to:

define actions (GRASS commands) define data items (raster, vector, 3D raster) define relations between data and action items define loops (series), conditions

validate model run model store model settings to the file (GRASS Model File|*.gxm) export model settings to Python script export model to image

Models

For user-defined models, check http://svn.osgeo.org/grass/grass-addons/models

Gallery

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  Experimental prototype of Graphical Modeler

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  Experimental prototype of Graphical Modeler

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  Experimental prototype of Graphical Modeler

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  Experimental prototype of Graphical Modeler

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  Graphical Modeler: run parametrized model

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  Graphical Modeler: define model variables

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  Graphical Modeler: define loops in the model

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  Graphical Modeler: define if/else statements in the model

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  Graphical Modeler: define if/else statements in the model - show properties

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  Graphical Modeler: Python editor

Video tutorials

Creating simple model

Define intermediate data

Model parametrization

Define variables

Start model with data item

Creating simple model in wxGUI Graphical Modeler

Start model with data, define relation manually

Creating model with series (loop) - static list of maps

Creating model with series (loop) - dynamic list of maps

Creating model which exports all GRASS vector maps from given mapset to PostGIS database

Creating model which exports all GRASS vector maps from given mapset to PostGIS database (including schema)

1) create schema with name of input mapset

2) copy vector maps from selected mapset to the current and stores their attributes in SQLite database

3) exports GRASS vector maps to the selected PostGIS database

WxGUI modeler - example of post-classification smoothing (remote sensing)

Python editor in wxGUI Graphical Modeler

Vector overlay, area calculation

External links

Graphical modeller in action:

• Brief description GRASS Graphical Modeler (in Russian)

Other products:

• IDRISI Taiga Product Features
• ArcGIS Model Builder
• Sextante Modeler