tropy.analysis_tools¶

tropy.analysis_tools.derived_variables¶

calc_lwp

Calculates the liquid water path.

tropy.analysis_tools.grid_and_interpolation¶

`create_interpolation_index`	Given georeference of two grids in lon and lat, an index is built to map a field on grid 1 to grid 2.
`curve_flow_filter`	Smoothing filter depending on isoline curvature.
`cutout_cluster`	Makes a cutout of a categorial field c for an object of class / number nc.
`cutout_field4box`	Cuts out a field based on center pix index and box size.
`cutout_fields`	Cuts out a field or a list of similar fields given row and column slices.
`get_index`	Given a point p the nearest grid point is returned.
`i2iset`	Returns an index set for a n-dim numpy array given an index i which points to a position within the same but flattened array.
`interpolate_field_to_hor_pos`	Given a sequence of points (or just one) a field (2d or 3d) given a grid is interpolated to the new positions.
`ldiff`	Calculates difference of a field at adjacent levels.
`ll2xy`	Transformation between longitude and latitude and local Cartesian coordinates in west-east direction (x) and south-north direction (y).
`ll2xyc`	Applies a centered version of ll2xy.
`lmean`	Calculates the layer mean of a field.
`make_add_edge`	Adds egde region to 2d data field.
`make_index_set`	This simple routine makes an 2d index set for given row and column number of a 2d field.
`make_vert_cut`	Makes a horizontal - vertical cut through a 3d field.
`mid2edge_gridvector`	Converts an mid-point based grid vector into an edge-based grid vector.
`region2slice`	Given a region of ((lon1,lon2),(lat1, lat2)) the routine provides a slicing ((row1, row2), (col1, col2)) than accomodates the region.
`remap_field`	Do nearest nearbor remapping on a simple equi-distant local cartesian coordiante grid.
`simple_pixel_area`	Approximates the grid box area of a lon - lat grid.
`spline_smooting`	Smoothes a curve with smooting spline.
`tube_cutout4box`	Performs tube cutout with given index set.
`xy2ll`	Transformation between local Cartesian coordinates in west-east direction (x) and south-north direction (y) and longitude and latitude.

tropy.analysis_tools.optical_flow¶

`displacement_from_opt_flow`
`displacement_from_opt_flow_farneback`
`displacement_from_opt_flow_tvl1`
`displacement_vector`
`flow_velocity`
`Lagrangian_change`
`morph_trans_opt_flow`

tropy.analysis_tools.segmentation¶

`clustering`
`combine_object_stack`
`connected_sequences2pairlists`
`connectivity_clustering`
`markers_from_iterative_shrinking`
`multithreshold_clustering`
`percentiles_from_cluster`
`remove_clustersize_outside`
`remove_clustersize_outside_slow`
`remove_small_clusters`
`sequential_segmentation`
`set_connectivity_footprint`
`sort_clusters`
`watershed_clustering`
`watershed_merge_clustering`

tropy.analysis_tools.statistics¶

`autocorr`
`cond_perc_simple`
`correlation_bootstrap`
`crosscorr`
`cumsum_data_fraction`
`draw_from_empirical_1ddist`
`draw_from_empirical_dist`
`fdistrib_mapping`
`get_outlier_from_residuals`
`KStest`
`normalize_field`
`odrfit_with_outlier_removal`
`rank_transformation`

tropy.analysis_tools.thermodynamic_variables¶

`absolute_humidity`	Calculates absolute humidity.
`both_mass_fractions2mixing_ratios`	Converts water and the vapor mass fraction to condensed water and vapor mixing ratio.
`dew_point`	Calculates dew point temperature after Markowski book p 13 eq (2.25)
`dry_air_density`	Calculates dry air density.
`dry_air_potential_temperature`	Calculates dry air potential temperature.
`equivalent_potential_temperature`	Calculates equivalent potential temperature.
`H2r`	Converts relative humidity H into mixing ratio r.
`lifting_condensation_level_temperature`	Calculates lifting condensation level temperature.
`moist_gas_constant`	Calculates gas constant of moist air.
`moist_potential_temperature`	Calculates moist air potential temperature.
`moist_specific_heat`	Calculates specific heat at constant pressure of moist air.
`relative_humidity`	Calculates relative humidity.
`saturation_over_ice`	Calculates saturation water vapor pressure over ice.
`saturation_pressure`	Calculates saturation water vapor pressure after Bolton (1980) MWR 108, p.1046, eq.
`specific_humidity`	Calculates specific humidity.
`thermodynamic_constants`	Sets some thermodynamic constants.
`total_density`	Calculates total density of moist air with hydrometeors.
`watermass_fraction2rw`	Converts water mass fraction to condensed water mixing ratio.
`water_vapor_pressure`	Calculates water vapor pressure.