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STAR*NET V6 - Circe

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Chapter 4 Options<br />

The following is a sample “Positional Tolerance Check” report generated by the<br />

example values set in the dialog. This report is created in the error propagation<br />

section of the output listing.<br />

The sample printout shows an “exhaustive” set of connections created for a small<br />

survey network. The report indicates one tolerance check failure.<br />

Positional Tolerance Check (FeetUS)<br />

Allowable Tolerance = 0.0800 + 50 PPM<br />

Tolerance Check Confidence Region = 95%<br />

Stations Horizontal Semi-Major-Axis Ratio<br />

From To Distance Actual Allowed Actual/Allowed<br />

1 2 1709.4352 0.0973 0.1655 0.5878<br />

1 3 2184.5310 0.1139 0.1892 0.6019<br />

2 A2 4030.2628 0.1002 0.2815 0.3558<br />

3 4 2043.7068 0.2212 0.1822 1.2142 *<br />

3 5 2044.7969 0.0828 0.1822 0.4546<br />

etc...<br />

5 A1 3904.3385 0.1081 0.2752 0.3928<br />

5 A2 3641.8400 0.1081 0.2621 0.4125<br />

A1 A2 2104.1206 0.0000 0.1852 0.0000<br />

Connections Checked = 21<br />

Number of Failures = 1<br />

Check Sideshots – Selecting one or both of these options causes the program to<br />

check sideshot names (those in SS lines) against main network station names and/or<br />

other sideshot names, and issue warning or error messages when repeats are found.<br />

If it is important that all main network station names in a project be unique, select<br />

one of the “Network Matches” warning or error options. If it is important that all<br />

sideshot names be unique, select one of the “Repeated Sideshot Names” warning or<br />

error options. Note, however, that the checking of a very large number of sideshot<br />

names (say 50,000) against each other to assure that all names are unique can slow<br />

down processing time significantly!<br />

GPS and Modeling Options<br />

The remaining two option sections in the Project Options dialog are for settings features<br />

available in the “Professional” edition. The GPS dialog provides for settings that control<br />

GPS vector weighting, centering errors, transformation solving and many settings which<br />

control the output content and appearance, and the Modeling dialog sets up Geoid and<br />

Deflection modeling parameters.<br />

If you are using <strong>STAR*NET</strong>-PRO, see the supplemental reference manual provided for<br />

details on these option settings and other features.<br />

33

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