For a comparison and overview of some of the various interpolation
routines listed below, please see the
. This document discusses the various packages and their
differences.
For regridding routines, see the full list in the
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area_hi2lores |
Interpolates from high resolution grids to low resolution grids using local area averaging.
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area_hi2lores_Wrap |
Interpolates from high resolution grids to low resolution grids using local area averaging. (retains meta data)
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bin_avg |
Calculates gridded binned averages and counts using randomly spaced data.
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csa1 |
Calculates an approximating cubic spline for the input data, one 1-dimensional section at a time.
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csa1d |
Calculates an approximating cubic spline for the input data, one 1-dimensional section at a time.
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csa1s |
Calculates an approximating cubic spline for the input data, one 1-dimensional section at a time.
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csa1x |
Calculates an approximating cubic spline for the input data, one 1-dimensional section at a time.
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csa1xd |
Calculates an approximating cubic spline for the input data, one 1-dimensional section at a time.
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csa1xs |
Calculates an approximating cubic spline for the input data, one 1-dimensional section at a time.
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csa2 |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2d |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2l |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2ld |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2ls |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2lx |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2lxd |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2lxs |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2s |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2x |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2xd |
Calculates an approximating cubic spline for two-dimensional input data.
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csa2xs |
Calculates an approximating cubic spline for two-dimensional input data.
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csa3 |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3d |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3l |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3ld |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3ls |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3lx |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3lxd |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3lxs |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3s |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3x |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3xd |
Calculates an approximating cubic spline for three-dimensional input data.
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csa3xs |
Calculates an approximating cubic spline for three-dimensional input data.
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csc2s |
Converts Cartesian coordinates on a unit sphere to spherical coordinates (lat/lon).
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csgetp |
Retrieves control parameters for Cssgrid routines.
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css2c |
Converts spherical coordinates (lat/lon) to Cartesian coordinates on a unit sphere.
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cssetp |
Sets control parameters for Cssgrid routines.
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cssgrid |
Uses tension splines to interpolate randomly spaced data on a unit sphere to data values on a uniform grid.
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cssgrid_Wrap |
Uses tension splines to interpolate randomly spaced data on a unit sphere to data values on a uniform grid (retains metadata).
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csstri |
Calculates a Delaunay triangulation of data randomly positioned on the surface of a sphere.
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csvoro |
Determines Voronoi polygons for data randomly positioned on a sphere and returns vertices for the one surrounding a specified input point.
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dsgetp |
Gets parameters for Dsgrid routines.
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dsgrid2 |
Interpolates gridded 2-D data.
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dsgrid2d |
Interpolates gridded 2-D data.
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dsgrid2s |
Interpolates gridded 2-D data.
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dsgrid3 |
Interpolates gridded 3-D data.
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dsgrid3d |
Interpolates gridded 3-D data.
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dsgrid3s |
Interpolates gridded 3-D data.
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dspnt2 |
Interpolates 2-D data at specified points.
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dspnt2d |
Interpolates 2-D data at specified points.
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dspnt2s |
Interpolates 2-D data at specified points.
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dspnt3 |
Interpolates 3-D data at specified points.
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dspnt3d |
Interpolates 3-D data at specified points.
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dspnt3s |
Interpolates 3-D data at specified points.
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dssetp |
Sets parameters for Dsgrid routines.
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ftcurv |
Calculates an interpolatory spline through a sequence of functional values.
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ftcurvd |
Calculates the derivatives of an interpolatory spline under tension.
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ftcurvi |
Calculates integrals of an interpolatory spline under tension between two user-specified limits.
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ftcurvp |
Calculates an interpolatory spline under tension through a sequence of functional values for a periodic function.
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ftcurvpi |
Calculates an integral of an interpolatory spline between two specified points.
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ftcurvps |
Calculates a smoothing spline.
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ftcurvs |
Calculates a smoothing spline.
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ftgetp |
Retrieves control parameters for Fitgrid routines.
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ftkurv |
Calculates an interpolatory spline for parametric curves.
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ftkurvd |
Calculates an interpolatory spline for parametric curves; it also calculates first and second derivatives of the interpolatory spline.
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ftkurvp |
Calculates an interpolatory spline under tension through a sequence of points in the plane forming a closed curve.
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ftkurvpd |
Calculates an interpolatory spline for closed parametric curves; it also calculates first and second derivatives of the interpolatory spline.
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ftsetp |
Sets control parameters for Fitgrid routines.
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idsfft |
Interpolates 2D random data.
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int2p |
Interpolates pressure levels to a different set of pressure levels.
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int2p_n |
Interpolates pressure levels to a different set of pressure levels.
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int2p_n_Wrap |
Interpolates pressure levels to a different set of pressure levels and returns meta data.
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int2p_Wrap |
Interpolates pressure levels to a different set of pressure levels and returns meta data.
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linint1 |
Interpolates from one series to another using piecewise linear interpolation.
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linint1_n |
Interpolates from one series to another using piecewise linear interpolation, given the dimension to interpolate across.
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linint1_n_Wrap |
Interpolates from one series to another using piecewise linear interpolation across the given dimension, and retains metadata.
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linint1_Wrap |
Interpolates from one series to another using piecewise linear interpolation, and retains metadata.
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linint2 |
Interpolates from one grid to another grid using bilinear interpolation.
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linint2_points |
Interpolates from a grid to arbitrarily specified coordinate pairs using bilinear interpolation.
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linmsg |
Linearly interpolates to fill in missing values.
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linmsg_n |
Linearly interpolates to fill in missing values, given the dimension to do the interpolation across.
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natgrid |
Interpolates from 2D random data to get values on a rectangular output grid.
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natgrid_Wrap |
Interpolates from 2D random data to get values on a rectangular output grid (retains metadata).
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natgridd |
Interpolates from 2D random data to get values on a rectangular output grid.
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natgrids |
Interpolates from 2D random data to get values on a rectangular output grid.
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nngetaspectd |
Retrieves an aspect at a specified coordinate position.
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nngetaspects |
Retrieves an aspect at a specified coordinate position.
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nngetp |
Retrieves control parameters for Natgrid routines.
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nngetsloped |
Retrieves a slope at a specified coordinate position.
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nngetslopes |
Retrieves a slope at a specified coordinate position.
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nngetwts |
Retrieves natural neighbors and weights for the function values at those neighbors.
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nngetwtsd |
Retrieves natural neighbors and weights for the function values at those neighbors.
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nnpnt |
Interpolates from 2D random data to get values at a specified set of points.
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nnpntd |
Interpolates from 2D random data to get values at a specified set of points.
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nnpntend |
Terminates interpolation from 2D random data to get values at a specified set of points.
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nnpntendd |
Terminates interpolation from 2D random data to get values at a specified set of points.
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nnpntinit |
Initializes internal quantities, for given input data, to allow subsequent nnpnt calls to interpolate at specified points.
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nnpntinitd |
Initializes internal quantities, for given input data, to allow subsequent nnpntd calls to interpolate at specified points.
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nnpntinits |
Initializes internal quantities, for given input data, to allow subsequent nnpnts calls to interpolate at specified points.
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nnpnts |
Interpolates from 2D random data to get values at a specified set of points.
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nnsetp |
Sets control parameters for Natgrid routines.
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obj_anal_ic |
Iterative correction objective analysis (Cressman, Barnes).
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poisson_grid_fill |
Replaces all _FillValue values in a grid with values derived from solving Poisson's equation via relaxation.
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rcm2points |
Interpolates curvilinear grids (RCM, WRF, NARR) to user specified locations.
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rcm2rgrid |
Interpolates RCM, WRF and NARR grids to rectilinear lat/lon grids.
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rgrid2rcm |
Interpolates a rectilinear lat/lon grid to curvilinear grids like those used by the RCM, WRF and NARR models/datasets.
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shgetnp |
Finds the nearest point, or points (in a specified set of points), to a given point in 3-space.
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shgetp |
Retrieves control parameters for Shgrid routines.
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shgrid |
Interpolate using randomly spaced data in 3-space.
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shsetp |
Sets control parameters for Shgrid routines.
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sigma2hybrid |
Interpolates from sigma to hybrid coordinates.
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trop_wmo |
Determines the level of the thermal tropopause.
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wrf_interp_1d |
Linearly interpolates a one-dimensional variable in the vertical.
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wrf_interp_2d_xy |
Extracts a cross section from a given input field.
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wrf_interp_3d_z |
Interpolates to a specified pressure/height level.
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wrf_user_intrp2d |
Interpolates ARW WRF 2D model data along a give line.
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wrf_user_intrp3d |
Interpolates ARW WRF model data vertically or horizontally.
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wrf_user_unstagger |
Unstaggers an input variable along a specified dimension.
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