Triton Navigation Bedienungsanleitung

Perspective -- Navigation Processing Guide -- Software Version 7.6 By: Tony M. Ramirez November, 2013

Page 7  Use Precise Timing Architecture - used for data collected with an Applanix POSMV, requires POSRAW packets The same options for process

Page 8 2.4 When and How Much To Process... Below is a discussion on the different processing options for each data type. SIDESCAN:  Amount: S

Page 9 BATHYMETRY (multibeam, singlebeam, & interferometric data):  Amount: Bathymetry data generally requires very little processing of

Page 10 3.0 Processing Workflows 3.1 Process from File Tree (Sidescan, Bathymetry & Subbottom) Upon import of the raw survey data, the navi

Page 11 3.2 Process in Wizard (Sidescan & Bathymetry) After raw survey data files have been imported, sidescan data has a TVG curve and good

Page 12 4.0 Bad Navigation Example - Sidescan 4.1 Overview The following example illustrates the need for multiple passes of filtering for sides

Page 13 Based on the ping rate and the vessel speed we expect the beam spacing to be 0.2 meters, not 4.89 meters. By processing the navigation

Page 14 Creating a sidescan mosaic using the navigation after only one step of navigation filtering shows an obvious striping caused by the unev

Page 15 This was after only 2 steps of processing but additional steps may be needed for some data files. Having Beamlines displayed allows the

Page 16 5.0 Bad Navigation Example - Bathymetry 5.1 Overview The following example illustrates the need for multiple passes of filtering for a b

Page ii © 2013 TRITON This user guide is provided as a means to become familiar with TRITON’s software through an explanation

Page 17 5.2 First Run of Navigation Processing For processing this data I set the WINDOW = 12, NAV SOURCE = SHIP (mounted sonar), ITERATIONS = 1

Page 18 5.4 Compare Results This data example started with very erratic navigation beneath the bridges spanning the river. With repeat navigati

Page iii Table of Contents 1.0 Navigation Types ... 1 2.0 Processin

Page 1 Navigation Processing Processing navigation is an important step to obtaining clean results and some thought should go into what paramete

Page 2 2.0 Processing Options 2.1 File Tree Processing One way to process navigation data is from the Navigation file tree. Once data files hav

Page 3 The image right shows a good zoom level for monitoring the effects of navigation processing on the beamlines. Note in this image that b

Page 4  Reset - Overwrites processed navigation in cache with raw navigation data.  Exit - Saves processing to cache file if not already done

Page 5 Bias - apply a single bias to the computed CMG heading Change Cutoff - cutoff value for CMG calculation (in degrees)  Sensor - uses the

Page 6 2.2 Sidescan/Bathy Wizard Processing When creating sidescan mosaics or bathymetry grids in Perspective, the processing wizards allow user