The trip package provides functions for accessing and manipulating spatial data for animal tracking. Filter for speed and create time spent plots from animal track data.
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Install R
Install RStudio
Install Rtools or equivalent for your platform
Install sp, spatstat, maptools, adehabitatLT, packages and dependencies.
Clone the repository from GitHub (https://github.com/mdsumner/trip).
Create an Rstudio project in the folder containing this README file.
Click 'Build and Reload' to make the package immediately available to RStudio, or 'Build Source Package' or `Build Binary Package' from the 'Build' tab to make source or binary package.
Probability image. The SGAT (and tripEstimation) packages have functions for dealing with spatial track summaries that are atomized to the level of each time step. There are methods for combining summaries from multiple tracks and for casting arbitrary durations (by sum) to standard image structures. This would be a good feature to replace the existing tripGrid function by storing the individual grid summaries for each implicit line segment.
Coercion to/from other classes The crawl and move packages contain objects that could be coerced in a straightforward way, see the Spatio Temporal Task View for more (in the Moving Objects / Trajectories section). The hyperframe in spatstat is another example, and to follow up Edzer's work in spacetime.
Cut cleanup cut.trip should just work with inputs like cut.POSIXt. Simple.
Determination of "home" Need tools to allow users to more easily detect and classify durations when the animal migrating or just kicking it at home.
Grid topology Consider replacement of makeGridTopology, possibly using raster. (tripGrid could be replaced by a rasterize method).
Validation Must include a detailed report object of where the problems are, and how to filter/fix/flush them.