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Mode 2D View is the default map mode, showing a 2D aerial view. Switch to 3D View to see the terrain as small hills and valleys. In 3D View, press the vertical scale magnifier, shown below, to increase the exaggeration of the hills and valleys and make them ea...

A map can be displayed using a variety of viewing options. Surface Surface selects the source for the map’s 3D topography and coloring. There are 6 options: Elevation shows the original surface before any dirt is moved. The map uses a Red to Blue gradient: Red...

Markers identify points of interest at user-selected locations on a design. A marker can also serve as a benchmark “control point”. To use a marker as a Benchmark location, refer to Set Zero using a marker in this manual’s Implementation section. Set marker Us...

The small camera button is at the top right of any mapping window. Press it to capture a screenshot of the current screen. After the screenshot is taken, the pop-up shown below appears. Press Yes to open the folder where the screenshot is saved. For more infor...

The Battery level indicator is at the top right of the screen, next to the screenshot button. It shows the tablet or computer's battery level and whether it is plugged into power.

Google Earth captures the current display area and overlays it on a satellite image of the field location. For more information, watch the Google Earth YouTube video. You must have Google Earth Pro installed on your computer for this to work.

If the automatically generated search radius does not give the expected result, you can adjust it manually in the bottom left corner of the surfacing page. Consider the following when making an adjustment. What the Search radius means A Search radius is requir...

Inline Offset, also known as Fix Lag, is a surfacing tool for correcting elevation data imported from other sources. Open Inline Offset Press Fix Lag at the left end of the tools at the bottom of the screen. This opens a pop-up window with options for correcti...

Surfacing collected survey points creates a terrain model of the field’s original elevation. T3RRA also automatically creates a design surface that is an exact duplicate of this original elevation surface. This duplicate provides a base layer to work from: T3R...

During surfacing, you can edit or remove survey and drain points using the selection methods below. Select points Select by Z Use Select by Z to select elevation points by height. Click Select by Z to display a graph of all your elevation data. Click the two d...

Create workable regions Press Regions to divide a field into multiple workable areas. Regions are not available in drain-related functions. Each region can use different design options, such as different primary and secondary slopes or different levee designs....

The T3RRA product suite includes a rainfall simulation tool for visual analysis of how a field surface affects water runoff and ponding. Two purposes for rainfall simulation First use the simulator after surveying the field and before placing any design on it....

Press the i button to view earthwork details. Note: click within the Info text box to expand the view to full screen. Each region has its own earthworks details and cut/fill summary. Press Records, shown as a printer, to save design details as a PDF to a folde...

A calculator is available in some tools that require you to enter a value. The calculator helps reduce the stress of creating field and drain designs. As well as performing calculations, the calculator lets you add quick values. Quick values are useful when yo...

Best-fit Best-fit calculates the slope and direction of a single plane that best fits a field or region while minimizing the dirt moved. Multi-fit Multi-fit builds multiple smaller planes that follow the ground contours to drain water in a single direction, us...

In the Design step of T3RRA Cutta Desktop, use the AB Profile Tool to draw an AB line anywhere on the surface and view the side profile of the elevation between its two nodes. Open the tool with the icon shown above, located in the bottom left corner of the ma...

Best-fit calculates the slope and direction of a single plane that best fits a field or region while minimizing the dirt moved. The plane most accurately fits the existing topography and minimizes dirt movement for creating a single plane. This can still mean ...

Select Multi-fit to create an optimized non-linear surface whose slopes stay between the minimum and maximum you enter. Multi-fit balances dirt down the field in your specified direction, within strips. This suits working within rows while moving minimal dirt....