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Last change
on this file since 1241 was
1233,
checked in by mstoeger, 16 years ago
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General housekeeping (#498) Removed some old unused Z-Order values. Replaced some var types by concrete types. Renamed some LineShape properties. Added caching of Pens and Brushes in LineShape and RectangleShape. Put axis tick calculation algorithm into its own class.
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File size:
765 bytes
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| 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 |
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| 4 | namespace HeuristicLab.Visualization {
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| 5 | public static class AxisTicks {
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| 6 | public static IEnumerable<double> GetTicks(int pixelsPerInterval, int screenSize, double worldSize, double worldStart) {
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| 7 | int intervals = screenSize/pixelsPerInterval;
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| 8 |
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| 9 | if (intervals > 0) {
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| 10 | double step = worldSize/intervals;
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| 11 | step = Math.Pow(10, Math.Floor(Math.Log10(step)));
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| 12 | if (worldSize/(step*5) > intervals)
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| 13 | step = step*5;
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| 14 | else if (worldSize/(step*2) > intervals)
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| 15 | step = step*2;
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| 16 |
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| 17 | for (double x = Math.Floor(worldStart/step)*step;
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| 18 | x <= worldStart + worldSize;
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| 19 | x += step)
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| 20 | yield return x;
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| 21 | }
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| 22 | }
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| 23 | }
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| 24 | } |
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