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quadtree 0.1.14

8/29/2023 - CRAN version

  • removed 'data' folder

quadtree 0.1.13

8/27/2023

  • changed proj4string() to projection()
  • change C++ requirement from C++14 to C++17 (it was failing to build on Debian Linux with CXX_STD = CXX14 in 'src/Makevars')

quadtree 0.1.12

  • all raster functionality now uses terra instead of raster (#19)
  • added conversions to other spatial formats (#15, #16, #17)

quadtree 0.1.10

12/3/2022 - submitted to CRAN

  • changed | to || in Quadtree.cpp (this was causing a build warning)
  • fixed issue where plot(<Quadtree>) was throwing an error when zlim specified a range smaller than the range of the z values

quadtree 0.1.9

1/31/2022 - CRAN version

  • removed write_quadtree_ptr() - this was causing a memory leak. I did not intend for users to ever use this function (it's for my own use) so I simply removed it.

quadtree 0.1.8

1/13/2022 - CRAN version

  • Updated documentation for find_lcp() and lcp_finder().
  • Switched to importing extract() and extent() from raster rather than setting the generics in generics.R - this is to reduce namespace conflicts with raster.

quadtree 0.1.7

12/3/2021 - development version

enhancements and modifications

  • In the LCP functionality, added the ability to manually set the points use to represent cells (by default the centroids are used). This is especially useful for setting the start and end points of a LCP to the user-specified points - it helps reduce error caused by large cell sizes.
    • Added a new_points parameter that accepts a matrix of points to be used instead of the cell centroids.
    • Removed the use_original_end_points parameter. This modified the end points after the LCP functionality had already been run. This is inferior to what I have now implemented, so I removed it. This can now be achieved using the new_points parameter of lcp_finder().
    • Modified the LCP generics. For lcp_finder() and find_lcp() reduced the number of arguments used for method selection to one. I changed the name of the parameter no longer used for method selection to be more descriptive.
    • Created an overload of find_lcp() that accepts a Quadtree. It allows for LCPs to be found in one step (rather than having to use lcp_finder() and then find_lcp()). While it means that the LcpFinder object can't be reused, it is more convenient in cases where only a single LCP needs to be calculated.
    • In find_lcp(<LcpFinder>), added the allow_same_cell_path, which allows for paths to be found between points that fall in the same cell.

quadtree 0.1.6

11/30/2021 - development version

bug fixes

  • Fixed issues #8 and #9 (see issues for details)
  • Fixed error in the unit test for projection()

quadtree 0.1.5

11/16/2021 - development version

bug fixes

  • Neighbor relationships were not being assigned when reading a quadtree from file - this was causing functionality like LCP to fail. Fixed this by using assignNeighbors() in QuadtreeWrapper::readQuadtree(). Also added unit tests to detect this bug.

enhancements and modifications

  • Added write_quadtree_ptr() for writing only the Quadtree pointer to file (write_quadtree() writes the QuadtreeWrapper object to file). This is for my own use - the average user will never need to use this.
  • Added additional attributes to Quadtree::serialize() (previously, some attributes were not being serialized).
  • Added NodeWrapper::toString() and made it available to R - this simply prints a summary of a NodeWrapper object.
  • Stopped importing the extent() and projection() generics from raster. Relying on the extract generic from raster had caused the code to break (see news for previous version). I decided to stop importing generics from raster to avoid any future issues like this. This has the disadvantage of masking extent() and projection() from raster. This means users will need to preface the functions with the package names when using both packages, but it'll hopefully avoid issues caused by changes in raster.

quadtree 0.1.4

11/9/2021 - development version

bug fixes

  • No longer exports the extract() generic from raster - instead, it is set via setGeneric() in "R/generics.R". This is an attempted fix for an error - in some cases the extract() generic with signature "Quadtree", "matrix" was not being found.

quadtree 0.1.3

development version

enhancements and modifications

  • In add_legend(), added parameters for controlling text color, font, and size. Also renamed ticks_x_pct parameter to text_x_pct parameter for consistency.
  • Changed default border width of plots (border_lwd parameter of plot(<Quadtree>)) to .4, since that typically looks nicer.
  • Added a 'coefficient of variation' split function (used when split_method parameter of quadtree() is "cv")

quadtree 0.1.2

CRAN version

Responded to comments after CRAN submission. This led to the following changes:

  • In plot(<Quadtree>), switched to resetting par() using on.exit().
  • In all examples, added code to reset par() if it was changed.
  • Removed the 'rapidjson' and 'rapidxml' libraries from within 'cereal'.
  • Added additional copyright holder in 'DESCRIPTION'.

quadtree 0.1.1

development version

  • Added a missing #include in Matrix.cpp that appeared to be causing the CRAN build to fail.
  • Cleaned up #includes in C++ files - removed unnecessary #includes and order them in a way that is more readable.
  • Removed PointUtilities.h and PointUtilities.cpp. Only a single function (distBtwPoints()) in this namespace was being used (in LcpFinder.cpp), and only once.
  • Switched C++ functions to consistently require Point objects as parameters (rather than having double x and double y parameters).
  • Removed unnecessary member functions of Point.
  • Cleaned up C++ comments.
  • Changed output of makeNeighborList() (from QuadtreeWrapper) - removed ambiguous hasChildren column and instead added hasChildren0 and hasChildren1 columns. Modified plot_Quadtree.R to work with the new columns.
  • Added unit tests for summary(<Quadtree>), summary(<LcpFinder>), lines(<LcpFinder>), and points(<LcpFinder>). Also added a unit test for search_by_centroid option of lcp_finder().

quadtree 0.1.0

  • initial release