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The PamBinaries package is a set of functions for reading PAMGuard binary output (.pgdf files) into R. It is based on MATLAB functions created by Doug Gillespie and Michael Oswald, and is written to work in the same way.
PamBinaries is available on CRAN, but it is possible that a more recent version is available on GitHub (updates are typically rare for this package).
To install the latest version from GitHub:
# make sure you have Rtools installed
if(!require('devtools')) install.packages('devtools')
# install from GitHub
devtools::install_github('TaikiSan21/PamBinaries')The main function of this package is loadPamguardBinaryFile.
To read any PAMGuard binary file, just point this function to its location:
loadPamguardBinaryFile will automatically determine the type of data stored in the binary file (Click Detector, DIFAR Processing, etc.) and call the appropriate function.
binaryData is a list with two objects, data and fileInfo. binaryData$data is a list with one element for every individual item in the binary file, the contents of which will be different depending on the type of binary file being read. binaryData$fileInfo is a list containing some metadata and information used by the loadPamguardBinaryFile function.
There is also an option to reduce the size of objects read from a Click Detector, Whistle and Moan Detector, or DIFAR:
This option will skip reading the waveform for click and difar data, and skip the contour and slice information for whistle data. This greatly reduces the size of the loaded object and the time required to read the data, useful if you need to process a large number of files.
You can also choose to only read in data with specific UIDs:
This only read in the data with the UIDs provided in the keepUIDs argument, skipping over the rest. This can greatly reduce the time required to read data if you only need a small subset of the items in the binary file.
As of version 1.2 there is a second exported function, pbToDf. This function converts the output of loadPamguardBinaryFile into a data frame. In order to do this it must skip some of the information in the binaries that are not an appropriate size to put in a data frame, as of version 1.2 the skipped data includes: any annotations data, click wave forms, DIFAR demux data, and contour information from the Whistle & Moan Detector. This function can be called directly, and is also called when as.data.frame is called on an object of class PamBinary; the output of loadPamguardBinaryFile is both list and PamBinary as of version 1.2.
The following should return identical results:
df1 <- pbToDf(binaryData)
df2 <- as.data.frame(binaryData)
df3 <- data.frame(binaryData)
df4 <- pbToDf(binaryData$data)The final example (df4) is not the preferred way to make this conversion, but is included to avoid possibly surprising behavior. The function will issue a warning, but will convert to a data frame as expected.
PamBinaries should be compatible with Pamguard v2.00.15 and earlier.
Add rest of annotation readers. Will probably need to re-adjust existing ones in future PG versions.
Cant install if no current timezone
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.