#164 new task

Walls-related feedback on survex milestone v1.4.23, commit d895951a

Reported by: Joe Walko Owned by: Olly Betts
Priority: minor Milestone:
Component: cavern Version:
Keywords: Walls Cc:

Description

###Notes on milestone v1.4.23, commit d895951a

###Previously I did not have handy Linux build environment to build from source; that's been rectified.

###Notes below reflect testing on Ubuntu 24.04 enviroment, survex milestone v1.4.23, commit d895951a. Prior feedback was from Windows 10, Survex release 1.4.22.


###Something new. UV or variance related, I presume:

Fatal error:

Simplifying network... not sym - 1,0 = 22531.619363, 0,1 was 22531.619363 netbits.c:703: smulvs didn't produce a sym mx cavern: error: Bug in program detected! Please report this to the authors

### I narrowed this one to just one of the four datasets which get merged, and unsurprisingly, it's the dataset which has prolific usage of UV/UVH/UVV and variance overrides

### I went through and tried to comment out instances where UV/UVH/UVV is set to a very-high-number, or is set to "0", but I'm sure I missed some. Error changed a bit after commenting those out:

Calculating traverses... netskel.c:666: assert(!fEquate) failed cavern: error: Bug in program detected! Please report this to the authors

### At this point I didn't pursue any further, but I assume the error is UVx or variance related.


###Massive decrease in quantity of frontsight/backsight disagree warnings; this effectively resolves the issue with warning logfile clutter.


###Explicit empty prefixes seem to be bahaving better, albeit with a 'space', which seems OK for now ; see additional comments in ticket #163.


### IH/TH data gets discarded for underwater surveys if TAPE=SS and ORDER=DAV. But this combination is valid, since such surveys typically start or end above water, and often have some DAV shots, with inclination instead of IT/HT

CFSB1382.SRV:17:16: warning: Instrument and target heights currently ignored with Walls option combination “TAPE=SS” and “ORDER=DAV”

S1 S2 70 84 -- 0 15 *8 8 0 5*

~

CFSB1382.SRV:18:16: warning: Instrument and target heights currently ignored with Walls option combination “TAPE=SS” and “ORDER=DAV”

S2 S3 60 89 -- 15 31

CFSB1382.SRV:19:16: warning: Instrument and target heights currently ignored with Walls option combination “TAPE=SS” and “ORDER=DAV”

S3 S4 15 84 -- 31 34

CFSB1382.SRV:20:16: warning: Instrument and target heights currently ignored with Walls option combination “TAPE=SS” and “ORDER=DAV”

S4 S5 22 82 -- 34 33


###Comma in variance override probably shoudn't trigger a warning, since (UVH, UVV) form isn't all that unexpected.

CFSB1253.SRV:46:50: warning: Interpreting “,” as separating readings but may be intended as a decimal point

C1252:T20 F28 9.3 246 -28.75 -- -- *0 10 1 .5* (3,3)

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