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 4c718654 was
4c718654,
checked in by Mathieu Doucet <doucetm@…>, 16 years ago
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Introduced abstract engine
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-
Property mode set to
100644
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File size:
1.9 KB
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Rev | Line | |
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[4c718654] | 1 | |
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| 2 | class FitEngine: |
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| 3 | |
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| 4 | def _concatenateData(self, listdata=[]): |
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| 5 | """ |
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| 6 | _concatenateData method concatenates each fields of all data contains ins listdata. |
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| 7 | @param listdata: list of data |
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| 8 | |
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| 9 | @return xtemp, ytemp,dytemp: x,y,dy respectively of data all combined |
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| 10 | if xi,yi,dyi of two or more data are the same the second appearance of xi,yi, |
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| 11 | dyi is ignored in the concatenation. |
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| 12 | |
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| 13 | @raise: if listdata is empty will return None |
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| 14 | @raise: if data in listdata don't contain dy field ,will create an error |
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| 15 | during fitting |
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| 16 | """ |
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| 17 | if listdata==[]: |
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| 18 | raise ValueError, " data list missing" |
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| 19 | else: |
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| 20 | xtemp=[] |
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| 21 | ytemp=[] |
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| 22 | dytemp=[] |
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| 23 | |
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| 24 | for data in listdata: |
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| 25 | for i in range(len(data.x)): |
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| 26 | xtemp.append(data.x[i]) |
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| 27 | ytemp.append(data.y[i]) |
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| 28 | if data.dy is not None and len(data.dy)==len(data.y): |
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| 29 | dytemp.append(data.dy[i]) |
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| 30 | else: |
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| 31 | raise RuntimeError, "Fit._concatenateData: y-errors missinge" |
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| 32 | return xtemp, ytemp,dytemp |
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| 33 | |
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| 34 | |
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| 35 | class Parameter: |
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| 36 | """ |
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| 37 | Class to handle model parameters |
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| 38 | """ |
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| 39 | def __init__(self, model, name, value=None): |
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| 40 | self.model = model |
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| 41 | self.name = name |
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| 42 | if not value==None: |
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| 43 | self.model.setParam(self.name, value) |
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| 44 | |
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| 45 | def set(self, value): |
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| 46 | """ |
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| 47 | Set the value of the parameter |
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| 48 | """ |
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| 49 | self.model.setParam(self.name, value) |
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| 50 | |
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| 51 | def __call__(self): |
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| 52 | """ |
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| 53 | Return the current value of the parameter |
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| 54 | """ |
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| 55 | return self.model.getParam(self.name) |
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| 56 | |
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| 57 | |
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| 58 | |
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| 59 | |
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