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remotes::install_github("graemediack/ISO11784Tools",build_vignettes = TRUE)
vignette("ISO11784Tools")
ISO11784 and ISO11785 are standards describing how information should be encoded within passive integrated transponder tags (PIT tags).
ISO11784 describes the binary construction of the information stored in the tag, and ISO11785 describes how it should be read by PIT tag readers.
Despite this, there are some differences in how readers will display the id information depending on user settings and manufacturer choices.
I encountered 4 different formats of ISO11784 ID codes whilst researching for a PIT tag database. This package is intended to facilitate transformation to and from all of these formats.
It could potentially have other functionality with respect to ISO11784, for example it could connect to ICAR and identify manufacturer of tags along with other metadata.
The 4 formats identified are:
Dot Hexadecimal - e.g. 3E7.1CBE991A14.
Manufacturer Code = 3E7 (Note - this is ID is reserved
for testing), Animal ID = 1CBE991A14Full Decimal - e.g. 999123456789012.
Manufacturer Code = 999 (Note - this is ID is reserved
for testing), Animal ID = 123456789012Full 64 bit Hexadecimal in two ‘flavours’ that depend
on whether the device reverses the transmitted binary ID before
converting it to hex or not:
Left Hand Flavour -
e.g. 8000F9DCBE991A14.Right Hand Flavour -
e.g. 2858997D3B9F0001.Note, all 4 examples above are the same code.
I have created a set of functions to make converting between these formats easy.
pass a vector of strings containing your tag codes into this function
to obtain a vector of the formats
{r, include=T,warning = FALSE} ISO11784Tools::get_iso11784_format(c('3E7.1CBE991A14','999123456789012','8000F9DCBE991A14','2858997D3B9F0001','blahblah'))
The convert_to_X family of functions takes a vector of strings with
your tag codes and converts them into the target format
{r, include=T,warning=F} ISO11784Tools::convert_to_isodecimal(c('3E7.1CBE991A14','999123456789012','8000F9DCBE991A14','2858997D3B9F0001','blahblah')) ISO11784Tools::convert_to_isodothex(c('3E7.1CBE991A14','999123456789012','8000F9DCBE991A14','2858997D3B9F0001','blahblah')) ISO11784Tools::convert_to_iso64bitl(c('3E7.1CBE991A14','999123456789012','8000F9DCBE991A14','2858997D3B9F0001','blahblah')) ISO11784Tools::convert_to_iso64bitr(c('3E7.1CBE991A14','999123456789012','8000F9DCBE991A14','2858997D3B9F0001','blahblah'))
{r, include=T,warning=F} ISO11784Tools::convert_to_all(c('3E7.1CBE991A14','999123456789012','8000F9DCBE991A14','2858997D3B9F0001','blahblah'))
convert_to_all takes a vector of strings and returns a 6
column tibble with detected format and all the possible conversions. It
simply wraps the previous 5 functions into one and outputs as a tibble
to save some time for the user
The convert_to_X family of functions are wrappers for
lower level functions that convert to and from the
Full Decimal format. The Full Decimal format
and the Dot Hexadecimal format were the first I
encountered, and seem to be the most prevalent. I chose
Full Decimal as the primary format for this package, and
created functions to convert from and to that format in the early stages
of development. Hence, these functions center on
Full Decimal.
Rather than give full examples of these I will simply list them here
for reference. Each of these functions will accept a single string or a
vector of strings and will return warning and
NA if the format is not as expected, but will still convert
anything within a vector that is the correct format.
From Full Decimal:
isodecimal_to_iso64bitleftisodecimal_to_iso64bitrightisodecimal_to_isodothexTo Full Decimal:
iso64bitleft_to_isodecimaliso64bitright_to_isodecimalisodothex_to_isodecimalThe above functions are built on base converters that are included as imported functions for convenience rather than intended for direct use.
These functions are written to allow conversion between the three
bases; binary, decimal, and hexadecimal, to the maximum limit of the R
numeric data type;
0b1000000000000000000000000000000000000000000000000000000,
18014398509481984, and 0x40000000000000
respectively.
R has limitations with regard to maximum values held in
integer and numeric data types. I don’t know
why this is so I won’t try to expand on the reason here. ISO 11784 ID
codes are generally larger than the integer maximum, but
smaller than the numeric maximum. Other packages might have
quicker versions of these functions that I haven’t found (happy to
receive suggestions!), so I needed to build them from scratch.
binary_to_decimalbinary_to_hexadecimaldecimal_to_binarydecimal_to_hexadecimalhexadecimal_to_binaryhexadecimal_to_decimalThese 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.