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**** sorry cut & paste doesn't work correctly ****
- autoscaling to user-units
- automatic adaption of the frame and text-size to the screen-resolution
- draws only the used quadrants of the graph
- coordinate-transformation
The next tasks are - the user-interface to interact with the x-y-graph - formula input - x-range-input - start-calculation and so on .
The target-application for me is a x-y-graph with multiple y-axes , to do some iterative simulations for dc-motor-drives or similar things.
Ok - it's still a long way to version 1.000 , but i promised Lutz that i'll show what i'm working on .
PS : the code doesn't fit exactly in the forum-width , i hope it works anyway - how can i store pictures and text-files into this forum ?