Found the following significant warnings:
  Rd warning: apply_thr.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: apply_thr.Rd:13: missing link ‘SpatRaster-class’
  Rd warning: apply_thr.Rd:24: missing link ‘SpatRaster-class’
  Rd warning: apply_thr.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: azimuth_image.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: azimuth_image.Rd:18: missing link ‘SpatRaster-class’
  Rd warning: calc_co.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: calc_co.Rd:12: missing link ‘SpatRaster-class’
  Rd warning: calc_co.Rd:15: missing link ‘SpatRaster-class’
  Rd warning: calc_co.Rd:17: missing link ‘SpatRaster-class’
  Rd warning: chessboard.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: chessboard.Rd:15: missing link ‘SpatRaster-class’
  Rd warning: cie_sky_model_raster.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: cie_sky_model_raster.Rd:12: missing link ‘SpatRaster-class’
  Rd warning: colorfulness.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: colorfulness.Rd:13: missing link ‘SpatRaster-class’
  Rd warning: correct_vignetting.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: correct_vignetting.Rd:12: missing link ‘SpatRaster-class’
  Rd warning: crop_caim.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: crop_caim.Rd:24: missing link ‘SpatRaster-class’
  Rd warning: defuzzify.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: defuzzify.Rd:13: missing link ‘SpatRaster-class’
  Rd warning: defuzzify.Rd:17: missing link ‘SpatRaster-class’
  Rd warning: enhance_caim.Rd:19: missing link ‘SpatRaster-class’
  Rd warning: enhance_caim.Rd:22: missing link ‘SpatRaster-class’
  Rd warning: enhance_caim.Rd:25: missing link ‘color-class’
  Rd warning: enhance_caim.Rd:51: missing link ‘SpatRaster-class’
  Rd warning: expand_noncircular.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: expand_noncircular.Rd:13: missing link ‘SpatRaster-class’
  Rd warning: expand_noncircular.Rd:19: missing link ‘SpatRaster-class’
  Rd warning: extract_dn.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: extract_dn.Rd:28: missing link ‘color-class’
  Rd warning: extract_feature.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: extract_feature.Rd:18: missing link ‘SpatRaster-class’
  Rd warning: extract_feature.Rd:39: missing link ‘SpatRaster-class’
  Rd warning: extract_feature.Rd:30: missing link ‘SpatRaster-class’
  Rd warning: extract_radiometry.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: extract_rl.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: extract_rl.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: extract_rl.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: extract_sky_points.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: extract_sky_points.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: extract_sky_points.Rd:17: missing link ‘SpatRaster-class’
  Rd warning: extract_sky_points_simple.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: extract_sky_points_simple.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: extract_sky_points_simple.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: extract_sun_coord.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: extract_sun_coord.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: extract_sun_coord.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: extract_sun_coord.Rd:18: missing link ‘SpatRaster-class’
  Rd warning: extract_sun_coord.Rd:21: missing link ‘SpatRaster-class’
  Rd warning: find_sky_pixels.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: find_sky_pixels.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: find_sky_pixels.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: find_sky_pixels.Rd:23: missing link ‘SpatRaster-class’
  Rd warning: find_sky_pixels_nonnull.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: find_sky_pixels_nonnull.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: find_sky_pixels_nonnull.Rd:21: missing link ‘SpatRaster-class’
  Rd warning: find_sky_pixels_nonnull.Rd:31: missing link ‘SpatRaster-class’
  Rd warning: fisheye_to_equidistant.Rd:19: missing link ‘SpatRaster-class’
  Rd warning: fisheye_to_equidistant.Rd:21: missing link ‘SpatRaster-class’
  Rd warning: fisheye_to_equidistant.Rd:23: missing link ‘SpatRaster-class’
  Rd warning: fisheye_to_equidistant.Rd:25: missing link ‘SpatRaster-class’
  Rd warning: fisheye_to_pano.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: fisheye_to_pano.Rd:12: missing link ‘SpatRaster-class’
  Rd warning: fisheye_to_pano.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: fit_cie_sky_model.Rd:23: missing link ‘SpatRaster-class’
  Rd warning: fit_cie_sky_model.Rd:27: missing link ‘SpatRaster-class’
  Rd warning: fit_cie_sky_model.Rd:29: missing link ‘SpatRaster-class’
  Rd warning: fit_trend_surface.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: fit_trend_surface.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: fit_trend_surface.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: fit_trend_surface.Rd:18: missing link ‘SpatRaster-class’
  Rd warning: fit_trend_surface.Rd:21: missing link ‘SpatRaster-class’
  Rd warning: fit_trend_surface.Rd:34: missing link ‘SpatRaster-class’
  Rd warning: fix_reconstructed_sky.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: fix_reconstructed_sky.Rd:13: missing link ‘SpatRaster-class’
  Rd warning: fix_reconstructed_sky.Rd:15: missing link ‘SpatRaster-class’
  Rd warning: fix_reconstructed_sky.Rd:18: missing link ‘SpatRaster-class’
  Rd warning: fix_reconstructed_sky.Rd:22: missing link ‘SpatRaster-class’
  Rd warning: gbc.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: interpolate_sky_points.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: interpolate_sky_points.Rd:28: missing link ‘SpatRaster-class’
  Rd warning: local_fuzzy_thresholding.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: local_fuzzy_thresholding.Rd:13: missing link ‘SpatRaster-class’
  Rd warning: local_fuzzy_thresholding.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: local_fuzzy_thresholding.Rd:28: missing link ‘SpatRaster-class’
  Rd warning: mask_hs.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: mask_hs.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: mask_sunlit_canopy.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: mask_sunlit_canopy.Rd:13: missing link ‘SpatRaster-class’
  Rd warning: mask_sunlit_canopy.Rd:17: missing link ‘SpatRaster-class’
  Rd warning: masking.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: masking.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: masking.Rd:21: missing link ‘SpatRaster-class’
  Rd warning: membership_to_color.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: membership_to_color.Rd:13: missing link ‘color-class’
  Rd warning: membership_to_color.Rd:20: missing link ‘SpatRaster-class’
  Rd warning: normalize.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: obia.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: obia.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: obia.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: obia.Rd:18: missing link ‘SpatRaster-class’
  Rd warning: obia.Rd:21: missing link ‘SpatRaster-class’
  Rd warning: obia.Rd:29: missing link ‘SpatRaster-class’
  Rd warning: ootb_mblt.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: ootb_mblt.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: ootb_mblt.Rd:16: missing link ‘SpatRaster-class’
  Rd warning: ootb_mblt.Rd:18: missing link ‘SpatRaster-class’
  Rd warning: ootb_obia.Rd:18: missing link ‘SpatRaster-class’
  Rd warning: ootb_obia.Rd:21: missing link ‘SpatRaster-class’
  Rd warning: ootb_obia.Rd:23: missing link ‘SpatRaster-class’
  Rd warning: ootb_obia.Rd:25: missing link ‘SpatRaster-class’
  Rd warning: ootb_obia.Rd:29: missing link ‘color-class’
  Rd warning: ootb_obia.Rd:43: missing link ‘SpatRaster-class’
  Rd warning: ootb_sky_reconstruction.Rd:28: missing link ‘SpatRaster-class’
  Rd warning: ootb_sky_reconstruction.Rd:32: missing link ‘SpatRaster-class’
  Rd warning: ootb_sky_reconstruction.Rd:34: missing link ‘SpatRaster-class’
  Rd warning: ootb_sky_reconstruction.Rd:36: missing link ‘SpatRaster-class’
  Rd warning: ootb_sky_reconstruction.Rd:39: missing link ‘SpatRaster-class’
  Rd warning: ootb_sky_reconstruction.Rd:95: missing link ‘SpatRaster-class’
  Rd warning: ootb_sky_reconstruction.Rd:102: missing link ‘SpatRaster-class’
  Rd warning: optim_normalize.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: optim_normalize.Rd:13: missing link ‘SpatRaster-class’
  Rd warning: percentage_of_clipped_highlights.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: percentage_of_clipped_highlights.Rd:12: missing link ‘SpatRaster-class’
  Rd warning: polar_qtree.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: polar_qtree.Rd:12: missing link ‘SpatRaster-class’
  Rd warning: polar_qtree.Rd:14: missing link ‘SpatRaster-class’
  Rd warning: polar_qtree.Rd:22: missing link ‘SpatRaster-class’
  Rd warning: qtree.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: qtree.Rd:18: missing link ‘SpatRaster-class’
  Rd warning: read_bin.Rd:13: missing link ‘SpatRaster-class’
  Rd warning: read_caim.Rd:26: missing link ‘SpatRaster-class’
  Rd warning: read_caim_raw.Rd:24: missing link ‘SpatRaster-class’
  Rd warning: read_caim_raw.Rd:26: missing link ‘SpatRaster-class’
  Rd warning: read_caim_raw.Rd:49: missing link ‘SpatRaster-class’
  Rd warning: regional_thresholding.Rd:17: missing link ‘SpatRaster-class’
  Rd warning: regional_thresholding.Rd:21: missing link ‘SpatRaster-class’
  Rd warning: regional_thresholding.Rd:35: missing link ‘SpatRaster-class’
  Rd warning: rings_segmentation.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: rings_segmentation.Rd:20: missing link ‘SpatRaster-class’
  Rd warning: row_col_from_zenith_azimuth.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: row_col_from_zenith_azimuth.Rd:12: missing link ‘SpatRaster-class’
  Rd warning: sectors_segmentation.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: sectors_segmentation.Rd:20: missing link ‘SpatRaster-class’
  Rd warning: sky_grid_segmentation.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: sky_grid_segmentation.Rd:12: missing link ‘SpatRaster-class’
  Rd warning: sky_grid_segmentation.Rd:24: missing link ‘SpatRaster-class’
  Rd warning: thr_mblt.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: write_bin.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: write_caim.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: zenith_azimuth_from_row_col.Rd:10: missing link ‘SpatRaster-class’
  Rd warning: zenith_azimuth_from_row_col.Rd:12: missing link ‘SpatRaster-class’
  Rd warning: zenith_image.Rd:20: missing link ‘SpatRaster-class’
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/rcaiman.Rcheck/00install.out’ for details.