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 48153283 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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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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5 | from sas.models.BaseComponent import BaseComponent |
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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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