GNU Data Language (GDL) a free and open-source implementation ...

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About GDL: how we use it • @ the Observatoire de Paris: • analysing time series (several satelittes) • modelization and inversion of time responses of various detectors: IR detectors, bolometers • 2D deconvolution methods for Radio Interferometry (Clean, MEM, and alternative) • teaching various topics, at different levels: FFT, image processing ... Sylwester Arabas, Alain Coulais & Takeshi Enomoto GNU Data Language 9/ 34
About GDL: how we use it • @ the Observatoire de Paris: • analysing time series (several satelittes) • modelization and inversion of time responses of various detectors: IR detectors, bolometers • 2D deconvolution methods for Radio Interferometry (Clean, MEM, and alternative) • teaching various topics, at different levels: FFT, image processing ... • @ the University of Warsaw: • aircraft & LIDAR measurements data analysis and visualisation • teaching meteorological data processing: • geosci. model ouptut data: interpolation, subsetting, statistics • signals processing: FFT, wavelets, principal components, filtering • satellite image and weather-forecast display/processing • plotting, data formats: CVS, netCDF, HDF4, HDF5, GRIB • ”operational” weather forecast visualisation (GRIB+SVG) Sylwester Arabas, Alain Coulais & Takeshi Enomoto GNU Data Language 9/ 34
Page 1 and 2: GNU Data Language (GDL) a free and
Page 3 and 4: efore we begin with GDL: what’s I
Page 5 and 6: IDL in Astronomy • The situation
Page 7 and 8: About GDL: the project and its auth
Page 13 and 14: About GDL: some pros and cons • i
Page 15 and 16: About GDL: some pros and cons • i
Page 17 and 18: About GDL: known users • people a
Page 25: About GDL: known users ...? • peo
Page 29 and 30: About GDL: how others use it • At
Page 31 and 32: About GDL: how others use it • At
Page 33 and 34: Sylwester Arabas, Alain Coulais & T
Page 45 and 46: About GDL: how to get GDL • pre-c
Page 47 and 48: About GDL: how to get GDL • pre-c
Page 49 and 50: About GDL: how to help and contribu
Page 51 and 52: Hands-on: let’s start $ gdl GDL>
Page 53 and 54: Hands-on: CReSS-SDM example 1 pro c
Page 55 and 56: NCDF OPEN & NCDF VARGET NCDF OPEN()
Page 57 and 58: WHERE, ARRAY INDICES & REFORM WHERE
Page 59: Sylwester Arabas, Alain Coulais & T

GNU Data Language (GDL) a free and open-source implementation ...

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