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NEWS

• Add render_camera() function

• Fixed some documentation issues

• Add additional arguments to windowsize in plot_3d() to specify location of viewport

• Fix out-of-bounds memory issue with water layer generation

• Added render_snapshot function capture and save images of the current rgl view to either file or the current device.
• Added a pkgdown website for the package.
• Added a NEWS.md file to track changes to the package.

• Documentation updates and additions
• Updated README

• na.rm=FALSE bug and add_overlay issue fixed
• Fix add_overlay dimensions when no transparency layer present

• Updated plot_3d to draw NA entries in the elevation matrix as holes in the 3D model. This can be used to slice the model into any shape.
• Updated plot_3d to include the new baseshape argument, which has several built-in shapes c("circle","hex") to overlay onto a matrix. This removes points in the elevation matrix outside the masked region.
• Added lineantialias option to plot_3d to allow the user to turn on antialiasing for the lines in the plot.

• Removed shadow_exist and remove_water options from save_3dprint to improve robustness. User now has to remove those 3D elements themselves when creating .stl file.
• Fixed add_overlay when the input is a matrix
• Updated documentation for plot_3d with examples.
• Fixed reference to save_png in README

• Added render_label() function to add text labels to 3D plots.

• Updated README
• Fixed all progbar arguments to be either FALSE or interactive() by default

• Changed progress bar to appear only when the user is in an interactive session (thanks @hadley)
• Fixed bug with water edges not following non-zero water depth
• Cleaned up documentation

• Speed improvements for 3D rendering with plot_3d
• Fixed small gaps and overlays in rendered water and edge lines in plot_3d

• Implemented binary search for intersection, massive speed increase for ray_shade()

• Moved Rcpp::checkUserInterrupt() to outer loop to speed up raytracing (thanks @brodieG)

• Added render_depth(), a post-processing effect to add depth of field to 3D maps.
• Added render_water(), which either adds or replaces a water layer on the existing 3D map.
• Added add_overlay(), which adds a transparent or semi-transparent overlay to the current hillshade.
• Added attribute to montereybay to mark it as internal data (for better user messages)

• Changed save_3dprint() to include the option to remove the shadow and water layers.

• Altered coordinates of plot_map to align with the center of the grid

• Fix for add_water hex color bug

• Fixed aspect ratio in plot_map()

• Fixed out-of-bounds bug in C++ normal vector generation
• plot_map() no longer crashes R when “rotate” is a matrix rather than a single numeric value.
• plot_3d() now displays warning if hillshade argument contains any values below 0 or more than 1.

• Added save_3dprint, a function that exports 3D maps to a stereolithography (STL) format for 3D printing.
• Add hex logo to README

• Fixed small overhand on 3D base.
• Changed write_png to save_png
• Corrected orientation of polygons in plot_3d

• Fixed lack of examples in some functions for CRAN and changed calls to

• Removed remove_edges option: the x/y dimensions of the outputs and inputs are now always consistent.

• make_shadow bugfix

• Implemented custom C++ version of akima::bilinear.grid to remove non-GPL software dependency
• Add ability for add_water to work with matrices

• Turn off examples for plot_3d
• Fix issue with non-exporting internal Rcpp functions to foreach
• Added description to ray
• Update DESCRIPTION

• Added shadow color option

• Fixed background color to blend in with shadow
• Fixed description of error in sphere_shade
• Small updates to documentation

• Added default settings for zscale when montereybay dataset used and zscale is not passed in by user

• Added example dataset montereybay

• Update pipe import from magrittr

• Added plot_3d, a function to take hillshades/textures and visualize them with an elevation matrix in 3D. Includes water visualization and the ability to view the map as a solid object.
• Added zscale argument to detect_water.

• Changed default orientation to match the orientation of the matrix.
• Changed detect_water and calculate_normals to not show a progress bar by default.
• Changed ambient_shade to default to 1-45 degrees, instead of 0-45.
• Changed write_png to stop when user doesn’t provide a filename.
• Updated README

• ray_shade and ambient_shade - Added option to pass arguments to makeCluster function for parallel execution

• Added sphere_shade function to apply spherical texture maps to elevation matrices.
• Added create_texture function to allow user to programmatically create texture maps by specifying colors.
• Added ambient_shade function to calculate ambient occlusion shadow maps.
• Added add_shadow function to add shadow to existing shadow matrices/texture arrays.
• Added calculate_normal function to pre-calculate normal vectors of elevation matrix for faster spherical shading.
• Added detect_water function to automatically detect bodies of water (of a specified size) on an elevation matrix.
• Added write_png function to save hillshaded maps to file.
• Added plot_map function to parse and plot resulting hillshaded maps.
• Added the ability to add a mask to raytracing and ambient occlusion so only certain areas are raytraced.

• Changed names of functions to be snake_case.
• Various bugfixes

• Out of bounds memory bug fix

• Added Lambertian shading by default to the rayshade function.
• Added standalone lambshade function.
• Added progress bar support.
• Added option to remove edges. Default TRUE.

• Changed angles all to degrees instead of radians.
• Removed verbose option.

• Initial commit. Basic functionality implemented and documentation written.

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