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 Select the 'Best-fit' button to create a plane of best fit for a field. A Best-fit design provides a single plane that most accurately fits the existing topography. Using a Best-fit plane ensures that you move the least amount of dirt possibl...

'Multi-fit' creates an optimized non-linear surface with slopes between the entered minimum and maximum. Multi-fit balances the dirt down the field in the direction you specify. The balancing occurs within strips, and is great for working within rows and movin...

Select the 'Smooth' button to create a more regular surface with fewer and more gradual hummocks and dips. The smoothing strength can be adjusted to produce a stronger or lesser effect as needed. Regular Smoothing Regular smoothing applies an ...

 Select the 'Offset' button to raise or lower the surface height of a field or  region. This can help with: Importing and exporting dirt Addition or removal of topsoil Raising pads   You can either: Manually enter the desire...

When designing drains, there are several aspects that you will find that are across all the different Drain Design tools.  The most important feature of the drain design tools that you will find will be the cross section found at the bottom of the screen.  ...

You can use Auto-Drains to automatically generate drain paths for wet areas in your field. It will calculate optimal ditch lines to drain depressions. There are two tabs in Auto-Drains: ‘Create’ controls the parameters that must be met before drains are...

This design tool allows for simple design of many parallel drains at once.  The pattern drain window allows you to select specific drains to delete. The 'Delete' and 'Clear All' buttons allow you to either delete selected drains or all patt...

Drain paths can be created by: Surveying them in the 'Collection' wizard step Importing them Using the Auto drains tool Using thePattern drains tool Drain Design allows slope profile and cross section design choices before “burning” ...

'Levees' allows you to create repeating or singular levees at set elevations. Levees can be added at set intervals. Levees can be smoothed. Levees can be selectively deleted. Levees can be applied selectively to field regions. ...

Remember that guidance lines are only available for Drains and Levees. Should you wish to export guidance lines from T3RRA software for use with AutoTrac™ be sure to follow the following steps to be sure that the process is successful. Exporting begins by ...

Once satisfied with your design surface and/or drain.  1. Select the 'Return' button. (Top right corner)  2. Select 'Yes' to keep the design surface.  3. Select the 'Save proj.' button to save the T3RRA project. Once you have finish...

'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.We at T3RRA are software developers. We are not irrigation engineers or designers. We build tools. We do NOT create designs for customers, or provide advice on any aspect of agronomy, irriga...

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 th...