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http://star.arm.ac.uk/~csj/idl/IDL_dipsotools.html
Дата изменения: Wed Aug 22 19:06:24 2007
Дата индексирования: Tue Oct 2 04:31:02 2012
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universe
Selected DIPSO tools
readxy, file, x, y
write a simple ASCII file containing pairs of x and y values.
writexy, file, x, y
write a simple ASCII file containing pairs of x and y values.
sp2wr, file, x, y, header
write a file containing pairs of x and y values in Spectrum format 2, including a header.
sp2rd, file, x, y, header
read a file containing pairs of x and y values in Spectrum format 2, including a header.
qqsm ( x, y, sigma )
Apply a Gaussian smoothing function to uniformly spaced data
rxr, x, y, x1, x2
modify a dataset containing pairs of x,y values such that no data fall outside the interval x1 < x < x2.
ryr, x, y, y1, y2
modify a dataset containing pairs of x,y values such that no data fall outside the interval y1 < y < y2.
resample, x, y, x1, x2, dx
Resample a function y(x) onto a uniform grid of stepsize dx between x1 and x2.
xcorr, x1, y1, x2, y2, ccfx, ccfy
Compute cross-correlation function for functions y1(x1) and y2(x2) The result is returned as ccfy(ccfx)
vcorr, w, f, v, mode
Apply a velocity correction to a wavelength array. v is in units of the speed of light.