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 59b1b92 was
79492222,
checked in by krzywon, 10 years ago
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Changed the file and folder names to remove all SANS references.
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-
Property mode set to
100644
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File size:
1.3 KB
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Rev | Line | |
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[51f14603] | 1 | """ |
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| 2 | Provide constant function as a BaseComponent model |
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| 3 | """ |
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| 4 | |
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[79492222] | 5 | from sas.models.BaseComponent import BaseComponent |
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[51f14603] | 6 | import copy |
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| 7 | |
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| 8 | class Constant(BaseComponent): |
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| 9 | """ |
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| 10 | Class that evaluates a constant model. |
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| 11 | List of default parameters: |
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| 12 | |
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| 13 | * value = 1.0 |
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| 14 | """ |
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| 15 | |
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| 16 | def __init__(self): |
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| 17 | """ Initialization """ |
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| 18 | |
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| 19 | # Initialize BaseComponent first, then sphere |
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| 20 | BaseComponent.__init__(self) |
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| 21 | |
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| 22 | ## Name of the model |
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| 23 | self.name = "Constant" |
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| 24 | self.description = 'F(c)= c where c is a constant' |
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| 25 | ## Parameter details [units, min, max] |
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| 26 | self.details = {} |
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| 27 | self.details['value'] = ['', None, None] |
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| 28 | self.params['value'] = 1.0 |
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| 29 | #list of parameter that cannot be fitted |
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| 30 | self.fixed = [] |
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| 31 | def clone(self): |
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| 32 | """ Return a identical copy of self """ |
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| 33 | obj = Constant() |
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| 34 | obj.params = copy.deepcopy(self.params) |
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| 35 | return obj |
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| 36 | |
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| 37 | def run(self, x = 0.0): |
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| 38 | """ Evaluate the model |
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| 39 | @param x: unused |
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| 40 | @return: (constant value) |
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| 41 | """ |
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| 42 | return self.params['value'] |
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| 43 | |
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| 44 | def runXY(self, x = 0.0): |
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| 45 | """ Evaluate the model |
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| 46 | @param x: unused |
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| 47 | @return: constant value |
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| 48 | """ |
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| 49 | return self.params['value'] |
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| 50 | |
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| 51 | # End of file |
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