# Echogram Visualisation and Analysis

## Documentation for package ‘echogram’ version 0.1.3

- DESCRIPTION file.
- Package NEWS.

## Help Pages

add.echogram | Add two echograms
bottom.hac | Read detected bottom range from an HAC file
echo.noise | Sample echogram data (120 kHz)
echogram | Echogram visualisation
join.echogram | Merge echograms
mask.echogram | Mask an echogram
match.echogram | Match ping times from two echograms
mergeSvmat | Merge inequal Sv data matrices
navigation.hac | Compute bearing, navigated distance and speed
noise.echogram | Modelling ambient noise in echograms
palette.echogram | Design color palettes for echograms
position.hac | Read geographic position data from an HAC file
read.echogram | Read echogram data from an HAC file
sample.echogram | Select and sample data values from an echogram
trim.echogram | Trim an echogram vertically or horizontally