1 | # Copyright (C) 2004 CCLRC & NERC( Natural Environment Research Council ). |
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2 | # This software may be distributed under the terms of the |
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3 | # Q Public License, version 1.0 or later. http://ndg.nerc.ac.uk/public_docs/QPublic_license.txt |
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4 | |
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5 | """ |
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6 | naFile2310.py |
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7 | ============= |
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8 | |
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9 | Container module for NAFile2310 class. |
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10 | |
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11 | """ |
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12 | |
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13 | # Imports from python standard library |
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14 | |
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15 | # Imports from local package |
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16 | from textParser import * |
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17 | import naFile2110 |
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18 | |
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19 | class NAFile2310(naFile2110.NAFile2110): |
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20 | """ |
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21 | Class to read, write and interact with NASA Ames files conforming to the |
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22 | File Format Index (FFI) 2310. |
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23 | """ |
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24 | |
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25 | def readHeader(self): |
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26 | """ |
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27 | Reads FFI-specifc header section. |
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28 | """ |
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29 | self._normalizedX="no" |
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30 | self._readCommonHeader() |
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31 | self.DX=readItemsFromLine(self.file.readline(), 1, float) |
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32 | self.XNAME=readItemsFromLines(self._readLines(self.NIV), self.NIV, str) |
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33 | self.XNAME.reverse() # Reverse because C-type array is least-changing first |
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34 | self._readVariablesHeaderSection() |
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35 | self._readAuxVariablesHeaderSection() |
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36 | self._readComments() |
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37 | |
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38 | def _readData1(self, datalines, ivar_count): |
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39 | """ |
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40 | Reads first line/section of current block of data. |
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41 | """ |
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42 | # Start with independent and Auxilliary vars |
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43 | (x_and_a, rtlines)=readItemsFromUnknownLines(datalines, self.NAUXV+1, float) |
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44 | (x, aux)=(x_and_a[0], x_and_a[1:]) |
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45 | for a in range(self.NAUXV): |
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46 | self.A.append(aux[a]) |
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47 | self.X.append([]) |
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48 | self.X[ivar_count].append(x) |
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49 | # Set up list to take second changing independent variable |
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50 | self.X[ivar_count].append([aux[1]]) |
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51 | self.NX.append(int(aux[0])) |
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52 | self.DX.append(int(aux[2])) |
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53 | return rtlines |
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54 | |
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55 | def _readData2(self, datalines, ivar_count): |
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56 | """ |
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57 | Reads second line/section (if used) of current block of data. |
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58 | """ |
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59 | # Now get the dependent variables |
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60 | (v, rtlines)=readItemsFromUnknownLines(datalines, self.NV*self.NX[ivar_count], float) |
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61 | count=0 |
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62 | for n in range(self.NV): |
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63 | self.V[n].append([]) |
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64 | for i in range(self.NX[ivar_count]): |
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65 | self.V[n][ivar_count].append(v[count]) |
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66 | count=count+1 |
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67 | return rtlines |
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