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<DIV><FONT size=2 face=Arial><SPAN class=828455920-23082014>I just noticed two
anomalies re the way Therion records survey length.</SPAN></FONT></DIV>
<DIV><FONT size=2 face=Arial><SPAN
class=828455920-23082014></SPAN></FONT> </DIV>
<DIV><SPAN class=828455920-23082014>
<DIV dir=ltr align=left><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN
class=859034220-23082014><SPAN class=828455920-23082014>Data recorded like
this...</SPAN></SPAN></FONT></FONT></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN
class=859034220-23082014><SPAN class=828455920-23082014></SPAN></SPAN><SPAN
class=859034220-23082014><SPAN class=343124520-23082014> data
cartesian from to northing easting
altitude</SPAN></SPAN></FONT></FONT></FONT></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#0000ff><FONT size=2
face=Arial><SPAN class=343124520-23082014> 7 7a 90
-99 4.5</SPAN></FONT></FONT></SPAN><SPAN class=859034220-23082014><FONT
color=#0000ff><SPAN class=343124520-23082014><BR><FONT size=2
face=Arial> 7a 9 97 -9 4.5<BR>
9 10 31 -22 0</FONT></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#0000ff size=2 face=Arial><SPAN
class=343124520-23082014></SPAN></FONT></SPAN> </DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#0000ff size=2 face=Arial><SPAN
class=343124520-23082014> are reported as zero <SPAN
class=828455920-23082014>length surveys </SPAN>in the Therion survey-list
output.</SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><SPAN class=343124520-23082014><FONT
face=Arial><FONT color=#0000ff><FONT size=2><SPAN
class=828455920-23082014>A</SPAN> bug? <SPAN
class=828455920-23082014>Depends on point of view I guess, cartesian implies no
actual distance measured, so zero survey length, but the definition of two
points does have some parallels with a 'shot' and hence survey
length.</SPAN></FONT></FONT></FONT></SPAN></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><SPAN class=343124520-23082014><FONT
face=Arial><FONT color=#0000ff><FONT size=2><SPAN
class=828455920-23082014></SPAN></FONT></FONT></FONT></SPAN></SPAN> </DIV>
<DIV><SPAN class=859034220-23082014><SPAN class=343124520-23082014><FONT
face=Arial><FONT color=#0000ff><FONT size=2><SPAN class=828455920-23082014>I
contrast</SPAN></FONT></FONT></FONT></SPAN></SPAN><SPAN
class=859034220-23082014><SPAN class=343124520-23082014><FONT face=Arial><FONT
color=#0000ff><FONT size=2><SPAN class=828455920-23082014><SPAN
class=859034220-23082014><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN
class=343124520-23082014>, 'no survey' leg lengths are recorded as
accumulating survey
length.</SPAN></FONT></FONT></FONT></SPAN></SPAN></FONT></FONT></FONT></SPAN></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><SPAN class=343124520-23082014><FONT
color=#0000ff><SPAN class=828455920-23082014><SPAN
class=859034220-23082014><FONT color=#0000ff><FONT size=2 face=Arial><SPAN
class=343124520-23082014>ie</SPAN></FONT></FONT></SPAN></DIV>
<DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#0000ff><FONT size=2
face=Arial><SPAN
class=343124520-23082014></SPAN></FONT></FONT></SPAN> </DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#0000ff><FONT size=2
face=Arial><SPAN class=343124520-23082014>flags surface
</SPAN></FONT></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#0000ff><FONT size=2
face=Arial><SPAN class=343124520-23082014>fix
1 -41.1724 172.4155 572.6<BR>fix
2 -41.20492 172.2789 574.04<BR>fix
3 -41.21414 172.1513 574.04
etc</SPAN></FONT></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#0000ff><FONT size=2
face=Arial><SPAN class=343124520-23082014>data nosurvey from
to<BR>1 2<BR>2 3<BR>3 4</SPAN></FONT></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#0000ff><FONT size=2
face=Arial><SPAN
class=343124520-23082014></SPAN></FONT></FONT></SPAN> </DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN class=828455920-23082014>These are reported by
Therion as accumulating survey length.</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN
class=828455920-23082014></SPAN></SPAN></FONT></SPAN> </DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN class=828455920-23082014>I can see that the
desirable behaviour of each of these scenarios might be different depending on
one's particular intention.</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN class=828455920-23082014>In the case of the
particular data where I found this issue, I would prefer
the;</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN class=828455920-23082014>- underground
cartesian data to accumulate length</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN class=828455920-23082014>- surface nosurvey data
to accumulate length, as it in fact does (I am joining up points from a
gps trail)</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN
class=828455920-23082014></SPAN></SPAN></FONT></SPAN> </DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN class=828455920-23082014>but in general I would
expect;</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN
class=828455920-23082014></SPAN></SPAN></FONT></SPAN> </DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN class=828455920-23082014>-underground nosurvey
data to record zero length, because it will generally be a sound or sight
connection with no actual survey, hence not surveyed
length.</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN
class=828455920-23082014></SPAN></SPAN></FONT></SPAN> </DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN class=828455920-23082014>I have not checked any
of the other data survey formats.</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN class=828455920-23082014>Other peoples thoughts
on this?</SPAN></SPAN></FONT></SPAN></DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN
class=828455920-23082014></SPAN></SPAN></FONT></SPAN> </DIV>
<DIV><SPAN class=859034220-23082014><FONT color=#000000 size=2 face=Arial><SPAN
class=343124520-23082014><SPAN
class=828455920-23082014>Bruce</SPAN></SPAN></FONT></SPAN></DIV></SPAN></FONT></SPAN></SPAN></DIV></SPAN></DIV></BODY></HTML>