Edit Structures

Assign Symbols to Geotechnical Structures

The Edit Structures option to assign symbols to geotechnical structures, as well as create and edit custom symbols. All symbol assignments will be saved in a <project code>.gtd file. The .gtd file will be stored in your current working directory.

Instructions

Select Geotech menu
Select Utilities submenu
Select Edit Structures option

The following panel displays.

Structure Editor panel

Structure

This section contains a collection of predefined Geotechnical symbols. The units defined in your project specification file (.dg1), i.e. metric or imperial, will dictate which symbols are displayed through the Structures section i.e. Australian or USGS. No matter the default, either set of symbols will be available for use.

Australian Symbols
Point	Slope	Fault	Joint
Bedding	Foliation	Shear	Sub-parallel shear
Lineation	Striation	Vein	Plunge
Tension	Fold	Anticline	Syncline
Dyke	Schistosity	Cleat	Failure
USGS Symbols
Point	Slope	Fault	Joint
Bedding	Foliation	Shear	Sub-parallel shear
Lineation	Striation	Vein	Plunge
Tension	Fold	Anticline	Syncline
Dyke	Schistosity	Cleat	Failure

Options

This section allows you to indicate whether to use an Australian, USGS or custom symbol when displaying a particular geotechnical structure.

Editor

This section of the Structure Editor panel consists of the following tabbed panels:

Preview
Editor

Preview tab

The Preview tab allows you to view a selected symbol.

Editor tab

The Editor tab allows you to create new symbols and, if applicable, customise the default symbols. Press the Restore button to undo the customisations that have been made to a default symbol.

Icon	Name	Description
n.a	Polygon Pattern	Allows you to apply a fill pattern to the polygonal objects in the selected symbol.
	Draw line	Allows you to create a line. Steps: Select the Draw line button. Digitise the desired points in the Editor window. Right-click when finished.
	Draw polygon	Allows you to create a polygon. Steps: Select the Draw polygon button. Digitise the desired points in the Editor window. Right-click to close the polygon.
	Move point	Allows you to move a point to a new position. Steps: Select the Select object button. Select the object that contains the point that you want to move. The object and all of the points in the object are then highlighted. Select the Move point button. Select the point that you want to move. Indicate the point's new position. The chosen point is then shifted. Right-click when finished.
	Delete object	Allows you to delete an object. Steps: Select the Select object button. Select the object that you want to remove Select the Delete object button.
	Delete point	Allows you to remove individual points from an object. Steps: Select the Select object button. Select the object that contains the point you want to delete. Once chosen, the selected object and its points are highlighted. Select the Delete point button. Select the point(s) that you want to delete. Select the Select object button when finished.
	Delete all	Allows you to delete all objects displayed in the Editor window. Steps: Select the Delete all button. Confirm whether or not you want to delete all of the objects displayed in the Editor window.
	Toggle grid	Allows you to toggle grid display, i.e. show or hide.
	Select object	Allows you to select objects from in the Editor window. This button needs to be selected prior to using the editing tools, i.e. the Move point, Delete object, Delete point and Delete all icons.
n.a.	Grid	Enter the size for the grid squares.

Only line and polygon objects are honoured in the Structure Editor panel. Objects, such as arcs, are not supported.

Select OK.

The symbol assignments will be saved in your .gtd file.

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