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Tucson format - Cybis Wiki

Tucson format

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</PRE>
 
</PRE>
 
An example of a three digit resolution sample which covers the timespan AD 1781-1814, with a missing ring for AD 1802 (-999). The width of AD 1781 (the first year) annual ring is 1.20 mm and for 1782 AD 0.87 mm.   
 
An example of a three digit resolution sample which covers the timespan AD 1781-1814, with a missing ring for AD 1802 (-999). The width of AD 1781 (the first year) annual ring is 1.20 mm and for 1782 AD 0.87 mm.   
 +
 +
==Examples==
 +
These examples are taken from comments within the CDendro code. Best would be if we could have two sections with awkward data - one for each precision - that could
 +
be used for testing Tucson format reading capability of software.
 +
<pre>
 +
'Examples of decadal file format:
 +
'The usual ending of a sample is like this:
 +
'6682    1980  143  231  154  145  150  201  130  156  245  137
 +
'6682    1990  141  202  120    96  999
 +
'NM002  1632    90    92    91  174    84    45  185  111
 +
'NM002  1640  116    72    91    49    85  146  125  126  136  131
 +
'Here is an example from brit9.rwl.
 +
'SH387C  1170    14    16    14    19    22    22    26    16    23    23
 +
'SH387C  1180    17    11    14    12  999    0    0    0    0    0
 +
'SH387D  1078    48    48
 +
'SH387D  1080    50    42    46    62    49    53    41    28    17    31
 +
'
 +
'Here is a snappet from brit045.rwl:
 +
'Q 9730  990    72    98  112  124  107  132  137  145  114    80
 +
'Looks very much normal, but ends with two Asciichar(13) characters which
 +
'will not be trimmed away by the VB Trim function.
 +
'The normal start of a sample is like this:
 +
'6682    1884  261  267  191  189  215  309
 +
'6682    1890  357  284  248  174  274  271  229  201  200  130
 +
'But here is a snappet from brit5.rwl:
 +
'WRU9    1190  190  192  218  213  204  259  206  150  178  149
 +
'WRU9    1200  198  232  151  199  175  196  9990  9990  9990  9990
 +
'WRU13  1075  9990  9990  9990  9990  9990  342  426  240  213  217
 +
    'It both ends and start a sample with 9990 markers.
 +
    '
 +
    'From ca535.rwl:
 +
    'MWK964  1970    16    11    22    25    9    13    26    24    23    16       
 +
    'MWK964  1980  999                                                             
 +
    'MWK965  509    62    0    0    0    0    0    0    0    0    0       
 +
    'MWK965  510    47    45    25    19    33    24    32    51    24    22       
 +
    'where zeroes are filled into positions which are not in use
 +
    'and this with a -0 instead of 0 or -999
 +
    'MWK401 -3550    26    21    19    20    28    21    13    11    -0    11 
 +
    '
 +
    'Format still not handled with example from fran009.rwl:
 +
    '606 13  1570    24    31    30    25    26    24    27    27    33    30
 +
    '606 13  1580    20  999
 +
    '606 13  1586    20    19    19    18
 +
    '606 13  1590    27    20    20    25    22    22    23    23    10    15
 +
    'I.e. a gap of missing rings is handled as two series one after the other though with the same identity.
 +
</pre>
  
 
==CDendro interpretation==
 
==CDendro interpretation==

Revision as of 12:09, 3 July 2009

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