Hi,
I have data from a survey with fore/back sight compass and clino. I have
detected a Therion bug calculating the average data, comparing with the
error loops with Auriga, Visualtopo, Compass and Therion.
See the next compare.
Example from the data in .th file:
data normal from to length compass backcompass clino backclino left
right up down
279.0 - 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00
279.0 279.0A 2.33 236.8 56.8 -11.4 11.4
0.00 0.00 0.00 0.00 # .superficie
279.0A 279.1 4.51 163.2 343.2 -32.2 32.2
0.00 0.00 0.00 0.00 # .superficie hasta anclaje desviador
279.1 279.2 12.41 1.5 181.5 -77.7 77.7
0.00 0.00 0.00 0.00
279.2 279.3 1.95 212.2 33.1 -17.7 16.6
0.00 0.00 0.00 0.00
Data transferred to Survex by the "data.svx" file
*data normal from to tape compass clino
1 2 0.000000 268.348831 0.000000
1 3 2.330000 235.148831 -11.400000
3 4 4.510000 161.548831 -32.200000
4 5 12.410000 359.848831 -77.700000
5 6 1.950000 210.998831 -17.150000
You can see Therion do a wrong fore/back sight compass average
calculation. The good data average are:
1 3 236.8 -11.4
3 4 163.2 -32
4 5 1.5 -77.7
5 6 212.65 -17.15
The clino average seems OK.
Searching in the mail-list I have found the bug was reported before. I
think is not corrected since then.
https://www.mail-archive.com/therion@speleo.sk/msg04660.html
Regards,
Evaristo.
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