ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change
on this file since c9636f7 was
988130c6,
checked in by Gervaise Alina <gervyh@…>, 16 years ago
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self.fixed field added in models but need to change wrapper generator
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Property mode set to
100644
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File size:
2.2 KB
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[9696b075] | 1 | #!/usr/bin/env python |
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| 2 | """ |
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| 3 | Provide Line function (y= A + Bx) as a BaseComponent model |
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| 4 | """ |
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| 5 | |
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| 6 | from sans.models.BaseComponent import BaseComponent |
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| 7 | import math |
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| 8 | |
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| 9 | |
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| 10 | class LineModel(BaseComponent): |
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| 11 | """ |
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| 12 | Class that evaluates a linear model. |
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| 13 | |
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| 14 | f(x) = A + Bx |
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| 15 | |
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| 16 | List of default parameters: |
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| 17 | A = 1.0 |
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| 18 | B = 1.0 |
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| 19 | """ |
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| 20 | |
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| 21 | def __init__(self): |
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| 22 | """ Initialization """ |
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| 23 | |
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| 24 | # Initialize BaseComponent first, then sphere |
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| 25 | BaseComponent.__init__(self) |
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| 26 | |
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| 27 | ## Name of the model |
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| 28 | self.name = "LineModel" |
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| 29 | |
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| 30 | ## Define parameters |
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| 31 | self.params = {} |
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| 32 | self.params['A'] = 1.0 |
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| 33 | self.params['B'] = 1.0 |
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| 34 | self.description='f(x) = A + Bx' |
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| 35 | ## Parameter details [units, min, max] |
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| 36 | self.details = {} |
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| 37 | self.details['A'] = ['', None, None] |
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| 38 | self.details['B'] = ['', None, None] |
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[988130c6] | 39 | # fixed paramaters |
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| 40 | self.fixed=[] |
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[9696b075] | 41 | def _line(self, x): |
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| 42 | """ |
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| 43 | Evaluate the function |
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| 44 | @param x: x-value |
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| 45 | @return: function value |
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| 46 | """ |
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| 47 | return self.params['A'] + x *self.params['B'] |
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| 48 | |
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| 49 | def run(self, x = 0.0): |
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| 50 | """ Evaluate the model |
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| 51 | @param x: simple value |
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| 52 | @return: (Line value) |
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| 53 | """ |
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| 54 | if x.__class__.__name__ == 'list': |
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| 55 | return self._line(x[0]*math.cos(x[1]))*self._line(x[0]*math.sin(x[1])) |
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| 56 | elif x.__class__.__name__ == 'tuple': |
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| 57 | raise ValueError, "Tuples are not allowed as input to BaseComponent models" |
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| 58 | else: |
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| 59 | return self._line(x) |
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| 60 | |
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| 61 | def runXY(self, x = 0.0): |
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| 62 | """ Evaluate the model |
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| 63 | @param x: simple value |
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| 64 | @return: Line value |
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| 65 | """ |
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| 66 | if x.__class__.__name__ == 'list': |
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| 67 | return self._line(x[0])*self._line(x[1]) |
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| 68 | elif x.__class__.__name__ == 'tuple': |
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| 69 | raise ValueError, "Tuples are not allowed as input to BaseComponent models" |
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| 70 | else: |
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| 71 | return self._line(x) |
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| 72 | |
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| 73 | |
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| 74 | if __name__ == "__main__": |
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| 75 | l = Line() |
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| 76 | print "hello" |
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| 77 | |
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| 78 | # End of file |
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