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aboveR 1.0.0

New Features

• Terrain derivatives: slope_aspect(), hillshade(), contour_lines(), and zonal_stats() for slope, aspect, shaded relief, contour generation, and general-purpose zonal statistics.

• Flood analysis: flood_inundation() for binary inundation masks, flood_depth() for water depth rasters, and height_above_drainage() implementing the HAND model for flood susceptibility mapping.

• Mining analysis: bench_detection() identifies flat mining benches adjacent to highwall faces using slope segmentation.

• Engineering export: export_landxml() writes LandXML TIN surfaces for Civil 3D, Bentley OpenRoads, and Trimble. export_stl() writes STL meshes for 3D printing terrain models.

• KyFromAbove counties: kfa_county_bbox() and kfa_list_counties() provide bounding box lookup for all 120 Kentucky counties.

• Color ramps: change_colors(), terrain_colors(), and flood_colors() are now exported for use in custom visualizations.

• has_s3_access() is now exported for use in @examplesIf guards.

Security

• Added sanitize_filename() to prevent path traversal in cached file names.
• Added validate_kfa_url() to verify download URLs originate from the KyFromAbove S3 bucket.
• Added safe_download() with configurable timeout (300s default), retry with exponential backoff (3 attempts), and file size limits (500 MB default).
• kfa_read_dem(), kfa_read_pointcloud(), and kfa_tile_index() now use the hardened download functions.

Documentation

• Added CITATION.cff and .zenodo.json for DOI-based citation.
• Added community health files: CODE_OF_CONDUCT.md, CONTRIBUTING.md, SECURITY.md, SUPPORT.md, ATTRIBUTION.md, CHANGELOG.md, DEVELOPMENT.md, DISCLAIMER.md, GOVERNANCE.md, MAINTAINERS.md, PRIVACY.md, RESPONSIBLE_USE.md.
• Added GitHub issue and PR templates.

Infrastructure

• Added Codecov integration for test coverage reporting.
• Added Dependabot for GitHub Actions dependency updates.
• Added CodeQL security scanning workflow.
• Added dependency review workflow for pull requests.
• Added stale issue/PR bot.

aboveR 0.1.0

• Initial CRAN release.
• Core analysis: terrain_change(), change_by_zone(), estimate_volume(), impoundment_curve(), terrain_profile(), boundary_terrain_profile(), classify_highwall(), reclamation_progress(), surface_roughness(), detect_channels(), pond_sedimentation().
• KyFromAbove access: kfa_find_tiles(), kfa_tile_index(), kfa_read_dem(), kfa_read_pointcloud(), kfa_read_ortho(), kfa_stac_search().
• Bundled sample data for examples and testing.
• Getting started vignette.

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.
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