![]() ![]() ![]() Note also the xlate parameter in some of the routines, which is to be used for fine-tuning, but this is a work in progress. Also note that adding labels to the chart axes throws the scaling slightly out of whack, and I'm not dealing with that problem here. I haven't tried it yet, but I don't see why an Impress slide couldn't serve this purpose as well. The only real purpose of the chart is to provide reference points, and in fact the (x,y)'s may be chosen outside the limits of the Chart, set here to from -10 to 10. The chart may be resized and moved, but the program will make it square when the Redraw button is hit. The attached spreadsheet plots a spring from (x1,y1) to (x2,y2) on the Chart on ChartPage, with the points specified in K6:K9. SeeĪnd we are doing a prolate cycloid, so we want h > a. I'm also just working here with the spring shapes, as that is probably the trickiest, being specified by a parametric equation. ![]() I'm still working in Calc here, but I think the ideas should translate into Impress. ![]()
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