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ISO11784Tools

Installation

remotes::install_github("graemediack/ISO11784Tools",build_vignettes = TRUE)

vignette("ISO11784Tools")

Introduction

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.

Further Reading

ISO11784 In Practice

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:

Note, all 4 examples above are the same code.

Functions

I have created a set of functions to make converting between these formats easy.

get_iso11784_format

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'))

convert_to_X Family

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'))

convert_to_all

{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

to Family

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.

Lowest Level Family

The 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.

The End. Enjoy!

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.