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'Terraces' allows you to create Guidance curves to mark terraces for erosion control.When you first enter the terraces tool, a start line is displayed on the map. This is where your terraces will start from. There are a few parameters for terraces:‘Bank grade’...

"Surfacing" is a term used to describe the process of creating a continuous map (i.e., a “surface”) from all the discrete elevation data points collected in the 'Collect' wizard step.  This is done so that every location in the field (or work area) has an...

If the automatically generated search radius does not achieve what you expect it is possible to manually adjust the search radius in the bottom left corner of the surfacing page. There are a few things to take into account when manually adjusting the search ra...

'Inline Offset', also known as 'Fix Lag', is a surfacing tool that assists in making corrections to elevation data that is imported from other sources. To access this tool press the ‘Fix Lag’ button located at the left end of the tools at the bottom of the sc...

This is a concept that can be confusing at first. When you surface a set of collected survey points you create a terrain model of the original elevation in the field. This is expected. But T3RRA software also automatically creates a design surface for you as w...

During surveying and surfacing, there are various different ways to edit/remove drain and survey points. Field survey points are small circles, and drain survey points are small squares. The available tools include selecting by Z (indicated with a histogram), ...

During surveying and surfacing, there are various different ways to edit/remove drain and survey points. 'Select by Z’ allows you select elevation points by their height. After you click on it, you’ll see a graph of all your elevation data. Choose the data ...

Important: Please read this before using any of our software products. T3RRA Operators Manual © 2026 T3RRA Notice of Rights No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language o...

Both Mark Twain and Will Rogers shared a wise sentiment: “Buy land, they’re not making it anymore”. We can’t help you buy land, and we definitely can’t help you make more of it. What we can do is help you make your current land better.  This manual describes t...

T3RRA in-cab software is compatible with any 64-bit Windows 11 PC, including desktop computers, laptops and tablet PCs. While the software can be operated using a keyboard and mouse, it has been designed primarily for use with a touchscreen interface. For most...

Accurate machine control depends on the performance of the entire landforming system, not just the T3RRA software. T3RRA software works in conjunction with John Deere iGrade™, combining terrain design, guidance and implementation with iGrade's machine-control ...

John Deere iGrade™ is an integral part of the T3RRA machine-control solution. While T3RRA software provides terrain design, guidance and implementation functionality, John Deere iGrade™ performs the hydraulic machine control required to operate the implement. ...

Starting T3RRA Software On most installations, T3RRA software is configured to start automatically when the tablet PC boots. If the software does not start automatically and you would like this functionality enabled, refer to the accompanying troubleshooting g...

T3RRA software is typically installed and configured by your authorised T3RRA dealer as part of system commissioning. Before installing the software, ensure the tablet PC has a reliable internet connection and is fully updated through Windows Update. Keeping W...

T3RRA regularly releases software updates to improve reliability, introduce new features and enhance compatibility with supported hardware. Keeping your software up to date ensures you have access to the latest improvements and bug fixes. Checking for Updates ...

Transitioning from T3RRA Cutta V1 to T3RRA Cutta V2 has been designed to be as straightforward as possible. The familiar wizard-based workflow has been retained, along with the core operating principles used throughout V1. While the user interface has been ref...

As-Applied: Represents the current state of the field as work progresses. The As-Applied surface typically transitions from matching the original surface to matching the design surface as earthworks are completed. Also referred to as As-Built. Backslope (Batte...

When T3RRA software is opened, the Main Page is the first screen displayed. This same screen is also shown when New Project is selected from within the Wizard. The Main Page provides access to the primary application controls, including display settings, softw...