Create Options


Default

This resets all the canvas bindings to the default values. These are :

To see how to carry out the Defaults, click here.

This option was added to stop the user getting stuck in any one mode. If a radiobutton function is selected, but is not required, pressing the Default button returns from the function bindings to the default bindings.


Create Circle

There are two methods to create a circle :

Circle_rad - Creating a circle by radius size

<ButtonPress-1 >
In the canvas identifies the point for the centre of the circle.

<B1-Motion >
Creates a visual aid for the user in the form of a square which shares its centre with the circle to be created. This is controlled by movement in the x-plane.

<ButtonRelease-1 >
Identifies the outer edge of the circle, and creates the shape.

Circle_bb - Creating a circle in a bounding-box

<ButtonPress-1 >
In the canvas identifies the point for the top-left or bottom-right of a bounding-box.

<B1-Motion >
Creates a visual aid for the user in the form of a square into which the circle will fit.This is controlled by movement in the x-plane.

<ButtonRelease-1 >
Identifies the opposite corner of the box and creates the shape.


Create Rectangle

<ButtonPress-1 >
In the canvas identifies the point for the top-left or bottom-right of a bounding-box.

<B1-Motion >
Creates a visual aid for the user in the form of a square into which the rectangle will fit.This is controlled by movements in the x- and y- planes.

<ButtonRelease-1 >
Identifies the opposite corner of the box and creates the shape.


Create Polygon

<ButtonPress-1 >
In the canvas identifies a point for the polygon. At present you are allowed up to a maximum of 50 points, the server ignores any points after this.

<ButtonPress-2 >
This identifies the final point for the polygon. It closes the shape and draws it on the canvas.

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Gudge.