cars.data_structures.format_transformation

Contains function for format transformation between region and windows:

Functions

grid_margins_2_overlaps(grid, margins_fun)	Convert margins to overlap grid format used in CarsDatasets
get_corresponding_indexes(row, col)	Get point cloud tiling grid indexes, corresponding to
terrain_coords_to_pix(point_cloud_cars_ds, resolution)	Compute the tiling grid in pixels, from a tiling grid in
region_margins_from_window(window, left_overlaps, ...)	Convert window to margins. Add used disp min and max used for resampling
reduce_overlap(current_overlaps, new_margin)	Reduce overlap with margin

Module Contents

cars.data_structures.format_transformation.grid_margins_2_overlaps(grid, margins_fun)

Convert margins to overlap grid format used in CarsDatasets

Parameters:

• grid (np.ndarray) – region grid

• margins_fun (fun) – function to compute margis

Returns:

overlap grid left, overlap grid right

Return type:

np.ndarray, np.ndarray

cars.data_structures.format_transformation.get_corresponding_indexes(row, col)

Get point cloud tiling grid indexes, corresponding to given raster indexes. In rasterio convention.

Parameters:

• row (int) – row

• col (int) – col

Returns:

corresponding indexes (row, col)

Return type:

tuple(int, int)

cars.data_structures.format_transformation.terrain_coords_to_pix(point_cloud_cars_ds, resolution)

Compute the tiling grid in pixels, from a tiling grid in geocoordinates

Parameters:

• point_cloud_cars_ds (CarsDataset) – point clouds

• resolution (float) – resolution

Returns:

new tiling grid

Return type:

np.ndarray

cars.data_structures.format_transformation.region_margins_from_window(window, left_overlaps, right_overlaps, used_disp_min=None, used_disp_max=None)

Convert window to margins. Add used disp min and max used for resampling

Parameters:

• window (Dict) – window to use

• left_overlaps (Dict) – left overlap to use

• right_overlaps (Dict) – right overlap to use

• used_disp_min – min disp min used in resampling

• used_disp_max – max disp max used in resampling

Returns:

Region, Margin

Return type:

Tuple(List, List)

cars.data_structures.format_transformation.reduce_overlap(current_overlaps, new_margin)

Reduce overlap with margin

Parameters:

• current_overlaps (np.ndarray) – overlap array

• new_margin (int) – margin to use

Returns:

new overlap array