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The screen for T3RRA Design Plus can be broken into 3 main sections:The ‘Working Area’. Elevation surfaces, designs and surface overlays are displayed in this area. Layer selection panel. This panel displays the layers of a project and will tailor the availabl...

‘The Working Area’ of T3RRA Design Plus displays the topmost selected layer from each of the different layer types in the layer selection panel. To keep your design from getting cluttered, turn some layers off. You can do this on the right by clearing the chec...

On the right side of the screen is the layer type selection panel. This panel allows you to select any layer to view it in the working area, as well as change which layers are currently visible. Four different types of layers are available:SurfacesBoundaries R...

Types of SurfacesWithin T3RRA Design Plus, Surfaces are categorized into the following (depicted here): Base - denoted by no letter in the tileDesign - denoted by the letter ‘D’ in the tileOverlay - denoted by the letter ‘O’ in the time These are important to ...

BoundariesThe toolbars specifically for Boundaries are:BoundariesT3RRA Design Plus boundaries are used to limit the extent of a design. They are different to regions in that they typically outline the entire project area. After a surface is imported into T3RRA...

The menus, which are located on the top left hand side for the T3RRA Design Plus screen, include many options which you would expect to find in a File or Edit menu. It also includes some T3RRA exclusive options. These are all listed below. In addition, there a...

Under the File tab you will find the following options:New Project - Create a new blank project.Save Project - Save your project. If it is the first time saving, you will be prompted to select a location and file name.Save Project As - Either rename an existin...

Under the Edit menu you will find the following options:Undo (Ctrl + Z) - undoes the last change made.Redo (Ctrl + Y) - redoes the last undo.Edit units - this allows you to change various units of measurement.NOTE: You should restart T3RRA Design Plus after ma...

‘Surface Selections’ provides tools that can be used to select specific areas of the active surface:‘Select all’ - selects the entire field in the current layer.‘Select all (including background)’ - creates a selection box from the widest points of the current...

Under the Layers menu you will find the following options:SurfacesBoundariesRegionsGuidesThese options are also available at the top of the ‘Layer Selection Panel’ on the right of the display.

Under the Tools menu you will find 2 options:‘3D Viewer’ (see 3D Viewer) - to look at a surface in 3D.‘Simulate surface water flow’ (see Stimulated Surface Flow) - which simulates a rainfall event on the surface (this rainfall event is simulated as though the ...

Under the Help menu you will find multiple options:‘News and Social’ - Links provided to find us online‘Change Log’ - Opens a .TXT file with a record of software changes for each version‘Relink file associations’ - Sets windows defaults to open T3RRA Design Pl...

The magnifying glass allows you to zoom in or out on a selected point of a surface. Left clicking will zoom in, right clicking will zoom out. Clicking and dragging the left mouse button will zoom in on an area of interest.The grab tool allows you to move the s...

There are several selection tool options available. To access more selection tools, left click on the arrow next to the currently selected tool in the toolbar at the top of the screen.'Box Selection' allows you to select everything within a rectangular space. ...

The Surface profile tool presents a cross-section of the field along the line or path you specify. It samples and plots the elevation of one or two surfaces at  evenly spaced points along the line. The distance between samples is specified in meters. It can al...

The ‘Visualization tools’ are used to view surfaces in different ways. The options available are 3D Viewer, Simulated waterflow, and Wetting front. 3D ViewerWhen using the ‘3D viewer’, a window will appear that displays the field as a 3D model (shown below), t...

There are many different file types which can be used to import or create surfaces in T3RRA Design Plus. This will generally need to be done to start a new project. The file type that you will be working with will depend on how you acquired your data. That is,...

Here is the list of available file types for import (instructions of how to use some files types are linked below):CSV (.csv) - the most generic import. Can bring in survey points, boundaries, guidance lines and markers. Expects the columns to be in the format...