A computer method for controlling a display, and graphical...

Details A computer method for controlling a display, and graphical... A computer method for controlling a display, and graphical...

G - Physics

06

F

G06F 3/14 (2006.01) G09G 5/08 (2006.01)

Patent

CA 2511274

Three graphical tools are disclosed providing functionalities that can readily cooperate with each other in research, or teaching environments, to provide powerful visual analysis tools. A grid tool is provided which allows a user-defined grid of a selected style to be laid over an image at any location, and which provides a grid reference co-ordinate display. An on- screen ruler tool is disclosed that may be added to an image to provide a clear indication of scale. Also, a calliper tool may be used to read off dimensions of the image that are not discernible from the on-screen ruler. All of these functionalities can therefore be used to greatly enhance the visual impact and effectiveness of a presentation, as well as increasing the amount of useful data that can be extracted from an image.

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