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Last change
on this file since 1200 was
379,
checked in by qiaow, 18 years ago
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Hooked a simple transfer function editor GUI to the render engine.
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File size:
919 bytes
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| 1 | ************README*****************
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| 2 | By Wei Qiao <qiaow@purdue.edu>
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| 3 | ***********************************
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| 4 |
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| 5 | Hot Keys:
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| 6 | "W" print interpolation of Y
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| 7 | "A" Add points. Press "A" then click the screen to add point
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| 8 | "D" Delete points. Click the point to select it, the press "D" to delete
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| 9 | "P" Print coordinates of all control points. (FOR DEBUGGING)
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| 10 |
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| 11 |
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| 12 | **************
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| 13 | float* output
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| 14 | **************
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| 15 | Interpolation of control points are stored in an array of float named "output",
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| 16 | which is a member of TransferFunctionWindow.
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| 17 | Total of 2048 samples are stored, with values ranging from [0,1]. All samples are initialized to 0 ,when program starts.
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| 18 |
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| 19 | ***********
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| 20 | Important!
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| 21 | ***********
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| 22 | Always call WriteControlPoints() before you use the values in output array. To improve performance, the values are
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| 23 | not updated upon each change of control points. By calling WriteControlPoints(), interpolation is updated.
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| 24 |
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| 25 |
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