Subject: Re: [xsl] Finding preceeding-siblings with non empty value From: Hank Ratzesberger <hankr@xxxxxxxx> Date: Fri, 22 Jul 2011 10:35:11 -0700 |
Could it be this:
preceding[row[site-transaction-name='model code']][not empty(.)]
Thanks for any tips.The best tip at this stage is to provide the required output for that input that you posted... At the moment it's hard to guess your requirements from the code and input.
Ok, yes, thanks. The source is below. The result would be three elements showing the "composited" changes the grouped by date rows represent. (Note that I don't have a problem with the dates, since those are in every row of the preceding-sibling[1], but for other data, it may not be in the immediate preceding sibling.)
I realized that one issue is that all axis statements return sequences in document order, but what I need is the data in reverse document order. So let me think about that.
So, what I have is a tree of grouped elements, but some groups are incomplete. I need to go in reverse order and find the first match.
Z Y Y Y A B C D E C1 D1 E2
<Y> <A><B><C><D><E> </Y> <Y> <A><B><C1><D1><E> </Y> <A><B><C1><D1><E2> </Y>
Best, Hank
<group> <pressureSensor> <equip:type>PARMT3</equip:type> <equip:serialNumber>69855</equip:serialNumber> <equip:heightDiffToAntenna>-4 m (with respect to marker)</equip:heightDiffToAntenna> <equip:effectiveDates>1998-11-15T00:00:00.000/2000-07-20T00:00:00.000</equip:effectiveDates> <equip:dataSamplingInterval>60 s</equip:dataSamplingInterval> <equip:notes>Meteo sonde delivered unreliable dataat the end</equip:notes> </pressureSensor> <! only a change in serial number --> <pressureSensor> <equip:type>PARMT3</equip:type> <equip:serialNumber>70804</equip:serialNumber> <equip:heightDiffToAntenna>-4 m (with respect to marker)</equip:heightDiffToAntenna> <equip:effectiveDates>2000-07-20T00:00:00.000/2001-02-19T00:00:00.000</equip:effectiveDates> <equip:dataSamplingInterval>60 s</equip:dataSamplingInterval> <equip:notes>Meteo sonde delivered unreliable dataat the end</equip:notes> </pressureSensor> <!-- only a change in height --> <pressureSensor> <equip:type>PARMT3</equip:type> <equip:serialNumber>70804</equip:serialNumber> <equip:heightDiffToAntenna>-3.83 m (with respect to marker)</equip:heightDiffToAntenna> <equip:effectiveDates>2001-02-195T00:00:00.000/(CCYY-MM-DDT00:00:00</equip:effectiveDates> <equip:dataSamplingInterval>60 s</equip:dataSamplingInterval> <equip:notes>Meteo sonde delivered unreliable dataat the end</equip:notes> </pressureSensor> </group>
<pressure xmlns=""> <row> <site-transaction-type>pressure sensor</site-transaction-type> <site-transaction-name>additional information</site-transaction-name> <site-transaction-value>Meteo sonde delivered unreliable data
 at the end</site-transaction-value> <effective-date>1998-11-15T00:00:00.000</effective-date>
</row> <row> <site-transaction-type>pressure sensor</site-transaction-type> <site-transaction-name>serial number</site-transaction-name> <site-transaction-value>69855</site-transaction-value> <effective-date>1998-11-15T00:00:00.000</effective-date> </row>
<row> <site-transaction-type>pressure sensor</site-transaction-type> <site-transaction-name>model code</site-transaction-name> <site-transaction-value>PARMT3</site-transaction-value> <effective-date>1998-11-15T00:00:00.000</effective-date> </row> <row>
<site-transaction-type>pressure sensor</site-transaction-type> <site-transaction-name>data frequency</site-transaction-name> <site-transaction-value>60 s</site-transaction-value> <effective-date>1998-11-15T00:00:00.000</effective-date> </row> <row> <site-transaction-type>pressure sensor</site-transaction-type>
<site-transaction-name>elev diff to gps</site-transaction-name> <site-transaction-value>-4 m (with respect to marker)</site-transaction-value> <effective-date>1998-11-15T00:00:00.000</effective-date> </row> </pressure> <pressure xmlns=""> <row>
<site-transaction-type>pressure sensor</site-transaction-type> <site-transaction-name>elev diff to gps</site-transaction-name> <site-transaction-value>-4 m (with respect to marker)</site-transaction-value> <effective-date>2000-07-20T00:00:00.000</effective-date> </row> <row> <site-transaction-type>pressure sensor</site-transaction-type> <site-transaction-name>serial number</site-transaction-name> <site-transaction-value>70804</site-transaction-value> <effective-date>2000-07-20T00:00:00.000</effective-date> </row> </pressure> <pressure xmlns=""> <row> <site-transaction-type>pressure sensor</site-transaction-type> <site-transaction-name>elev diff to gps</site-transaction-name> <site-transaction-value>-3.83 m (with respect to marker)</site-transaction-value> <effective-date>2001-02-19T00:00:00.000</effective-date> </row> </pressure>
-- Louis (Hank) Ratzesberger hankr@xxxxxxxx Scripps Orbit and Permanent Array Center Mailing Address: Mail Code 0225 9500 Gilman Drive University of California, San Diego La Jolla, CA 92093-0225 858-822-4472 IGPP/SIO Location: Bldg T-31 8860 Biological Grade
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