Georeferencing¶
Miscellaneous¶
Calculates the height of a radar bin taking the refractivity of the atmosphere into account. |
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Calculates great circle distance from radar site to radar bin over spherical earth, taking the refractivity of the atmosphere into account. |
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Calculates great circle distance from bin at certain altitude to the radar site over spherical earth, taking the refractivity of the atmosphere into account. |
Polar Grid Functions¶
Transforms spherical coordinates (r, phi, theta) to cartesian coordinates (x, y, z) centered at sitecoords (aeqd). |
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Transforms spherical coordinates (r, phi, theta) to projected coordinates centered at sitecoords in given projection. |
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Generate 3-D polygon vertices directly from spherical coordinates (r, phi, theta). |
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Generate 3-D centroids of the radar bins from the sperical coordinates (r, phi, theta). |
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Calculates the 2-D Polygon vertices necessary to form a rectangular polygon around the centroid's coordinates. |
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Construct sweep centroids native coordinates. |
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Computes the maximum intensity projection along an arbitrary cut through the ppi from polar data. |
Projection Functions¶
Transform coordinates from a source projection to a target projection. |
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Conveniently supports the construction of osr spatial reference objects |
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Transform a proj4 string to an osr spatial reference object |
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Create osr spatial reference object from EPSG number |
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Create osr spatial reference object from WKT string |
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Create a default projection object (wgs84) |
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Get the radius of the Earth (in km) for a given Spheroid model (sr) at a given position. |
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Get the native radar projection which is an azimuthal equidistant projection centered at the site using WGS84. |
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Get a default earth projection based on WGS |
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Get the extent of 2d coordinates |
Raster Functions¶
Read values from a gdal object. |
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Get a projection (OSR object) from a GDAL dataset. |
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Get the projected coordinates from a GDAL dataset. |
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Extract data, coordinates and projection information |
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Get the coordinates of the 4 corners of the raster dataset |
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Return surface elevation corresponding to raster dataset |
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Reproject/Resample given dataset according to keyword arguments |
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Merge rasters. |
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Create In-Memory Raster Dataset |
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Converts Data and Coordinates Origin |
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Sets Data and Coordinates Indexing Scheme |
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Sets Coordinates Indexing Scheme |
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Get raster polygonal vertices from gdal dataset. |
Rectangular Grid Functions¶
Calculates x,y coordinates of radolan grid from lon, lat |
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Calculates x/y coordinates of radolan projection of the German Weather Service |
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Calculates x/y coordinates of radolan grid of the German Weather Service |
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Returns spherical representation (r, theta, phi) of given cartesian coordinates (x, y, z) with respect to the reference altitude (asl) considering earth's geometry (proj). |
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Get polygonal vertices from rectangular grid coordinates. |
Satellite Functions¶
Adjust the geo-locations of the SR pixels. |
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Returns range distances of SR bins (in meters) as seen from the orbit |
Vector Functions (GDAL)¶
Function iterates over gdal ogr layer features and packs extracted vector coordinate points into nested ndarray |
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Extract coordinate points from given ogr geometry as generator object |
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Perform geotransformation to given destination SpatialReferenceSystem |
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Creates OGR.Layer objects in gdal.Dataset object. |
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Copy OGR.Layer object. |
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Copy OGR.Layer object. |
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Reproject src_lyr to dst_lyr. |
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Creates OGR.Feature objects in OGR.Layer object. |
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Copies single OGR.Geometry object to an OGR.Layer object. |
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Convert a vertex array to gdal/ogr geometry. |
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Backconvert a gdal/ogr geometry to a numpy vertex array. |
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Backconvert a gdal/ogr geometry Collection to a numpy vertex array. |
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Return centroid of a polygon |
Xarray Functions¶
Create Xarray DataArray from NumPy Array |
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Create Xarray DataArray from Polar Radar Data |
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Georeference Dataset. |