MeteoInfo 3.7.0 was released (2023-9-3)

• Support CMA Radar base standard data with ppi, cappi, cr and 3d grid interpolation

• Add append, insert, delete functions

• Add stack, column_stack, row_stack functions

• Add hypot, s_, index_exp functions

• Add amx, amin functions

• Add mgrid, gradient functions

• Add cond function in linalg package

• Add Wedge patch

• Add compare functions for DataFrame

• Add view function for 3d axes

• Add contour3 plot function

• Add 2D streamplot function in 3D axes

• support drawing contours along the surface of the volume data in contourslice function

• Update FlatLaf to version 3.2

• Update JOGL to version 2.5.0

• Update proj4j to version 1.3.0

• Some other bugs fixed

Read and plot 3D radar reflectivity data:

fn = r'D:\Temp\binary\radar\Z_RADR_I_Z9898_20190828181529_O_DOR_SAD_CAP_FMT.bin'
f = addfile(fn)
slat = f.attrvalue('StationLatitude')[0]
slon = f.attrvalue('StationLongitude')[0]
h = f.attrvalue('AntennaHeight')[0]
lon = arange(108.25, 112.25, 0.01)
lat = arange(18., 22., 0.01)
z = arange(1000, 20001, 500)

#Get 3d grid data
glon, glat = meshgrid(lon, lat)
x, y = RadarUtil.geographic_to_cartesian(slon, slat, glon, glat)
data = f.get_grid_3d_data('dBZ', x, y, z, h)

# Plot test
axes3d(orthographic=False, aspect='xy_equal', facecolor='k',
    fgcolor='w', axis=True, axes_zoom=True)
geoshow('world_topo.jpg')
geoshow('cn_province')
volumeplot(lon, lat, z, data, vmin=0, vmax=60, cmap='NCV_bright')
colorbar(shrink=0.8, tickcolor='w')
xlim(lon[0], lon[-1])
ylim(lat[0], lat[-1])
zlim(0, z[-1])
xlabel('Longitude')
ylabel('Latitude')
zlabel('Height (m)')