Howto:Implementing a simple GCA system: Difference between revisions

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[[File:Openvg-via-canvas.png|thumb|screen shot showing a simple Canvas GUI dialog demonstrating how to use OpenVG-path drawing via Nasal and Canvas]]
[[File:Openvg-via-canvas.png|thumb|screen shot showing a simple Canvas GUI dialog demonstrating how to use OpenVG-path drawing via Nasal and Canvas]]


Once we have a basic GCAController class working and a corresponding UI to set up the GCA, it seems to make sense to explore having a UI to monitor the ongoing approach by plotting a vertical and a horizontal view of the profile flown.
Once we have a basic GCAController class working and a corresponding UI to easily set up the GCA, it seems to make sense to explore having a UI to monitor the ongoing approach by plotting a vertical and a horizontal view of the profile flown.


Basically, this is about plotting two diagrams and projecting the approach accordingly - we can do so by using the Canvas path drawing examples from the [[Canvas Snippets]] article and adapt those as needed.
Basically, this is about plotting two diagrams and projecting the approach accordingly - we can do so by using the Canvas path drawing examples from the [[Canvas Snippets]] article and adapt those as needed.

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