RasterLayers Class Reference

Stack of 2d raster data. More...

Public Member Functions
void	blur_layers (double alpha, size_t num_iterations)
	Blurs the values in each layer by averaging between neighbored cells on the same layer. More...
void	construct_relative_to_global_height_table (size_t iterations, double alpha)
	Prepares a table for improved height value reconstructions in no-data-regions. More...
void	eliminate_invalid_cells ()
void	invalidate_flat_cells ()
	Marks all cells as invalid that belong to a small lense regarding its horizontal area. More...
void	invalidate_small_lenses (double min_area)
	Marks all cells as invalid which are closer to the next higher valid cell than the given min height. More...
void	load_from_files (std::vector< std::string > filenames, double unnamed)
	Loads raster data from the specified .asc files. Specify the bottom layer first and the surface layer last. More...
	RasterLayers ()
void	remove_small_holes (double max_area, _min_height)
	removes small holes by expanding the layer in those regions to the specified height More...
void	snap_cells_to_higher_layers ()
	sets invalid or flat cells to the value of the corresponding cell in the level above. More...

Detailed Description

Stack of 2d raster data.

Constructor & Destructor Documentation

RasterLayers()

RasterLayers

(

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Member Function Documentation

blur_layers()

void blur_layers ( double  alpha, size_t  num_iterations  )

inline

Blurs the values in each layer by averaging between neighbored cells on the same layer.

Parameters

[in]	alpha
[in]	num_iterations

References alpha, and RasterLayers::blur_layers().

construct_relative_to_global_height_table()

void construct_relative_to_global_height_table ( size_t  iterations, double  alpha  )

inline

Prepares a table for improved height value reconstructions in no-data-regions.

Parameters

[in]	iterations
[in]	alpha

References alpha, and RasterLayers::construct_relative_to_global_height_table().

eliminate_invalid_cells()

void eliminate_invalid_cells ( )

inline

References RasterLayers::eliminate_invalid_cells().

invalidate_flat_cells()

void invalidate_flat_cells ( )

inline

Marks all cells as invalid that belong to a small lense regarding its horizontal area.

References RasterLayers::invalidate_flat_cells().

invalidate_small_lenses()

void invalidate_small_lenses ( double  min_area )

inline

Marks all cells as invalid which are closer to the next higher valid cell than the given min height.

Parameters

[in]

min_area

References RasterLayers::invalidate_small_lenses().

load_from_files()

void load_from_files ( std::vector< std::string >  filenames, double  unnamed  )

inline

Loads raster data from the specified .asc files. Specify the bottom layer first and the surface layer last.

Parameters

[in]	filenames
[in]	unnamed

References RasterLayers::load_from_files().

remove_small_holes()

void remove_small_holes ( double  max_area, _min_height    )

inline

removes small holes by expanding the layer in those regions to the specified height

Parameters

[in]

max_area,_min_height

References RasterLayers::remove_small_holes().

snap_cells_to_higher_layers()

void snap_cells_to_higher_layers ( )

inline

sets invalid or flat cells to the value of the corresponding cell in the level above.

References RasterLayers::snap_cells_to_higher_layers().