| 1 | PRO tst_basic |
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| 2 | ; |
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| 3 | ; figure 1: basics plots |
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| 4 | ; |
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| 5 | ; 1) plot |
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| 6 | ; |
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| 7 | n = 10 |
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| 8 | y = findgen(n) |
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| 9 | ; basic plot |
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| 10 | splot, y, small = [2, 2, 1], /portrait |
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| 11 | ; improved plot by using plot and "graphic keywords" |
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| 12 | splot, y, small = [2, 2, 2], /noerase, yrange = [0, (n-1)^2], title = 'x and x^2' |
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| 13 | oplot, y^2, color = 100, linestyle = 2, thick = 3 |
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| 14 | ; |
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| 15 | ; 2) contour |
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| 16 | ; |
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| 17 | z = dist(n) |
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| 18 | ; basic plot |
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| 19 | scontour, z, /fill, nlevels = 15, small = [2, 2, 3], /noerase |
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| 20 | ; improved plot by using contour and "graphic keywords" |
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| 21 | ind = findgen(2*n)/(2.*n) |
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| 22 | scontour, z, levels = n*ind, c_orientation = 180*ind, c_spacing = .2*ind $ |
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| 23 | , small = [2, 2, 4], /noerase |
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| 24 | contour, z, /overplot, c_label = rebin([1, 0], 2, n), levels = n*ind $ |
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| 25 | , c_charthick = 2, c_charsize = 1.5, c_colors = 250*ind |
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| 26 | |
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| 27 | return |
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| 28 | end |
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