1PLSCMAP1(3plplot) PLplot API PLSCMAP1(3plplot)
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6 plscmap1 - Set opaque RGB cmap1 colors values
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9 plscmap1(r, g, b, ncol1)
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12 Set opaque cmap1 colors (see the PLplot documentation) using RGB vector
13 values. This function also sets the number of cmap1 colors. N.B. Con‐
14 tinuous cmap1 colors are indexed with a floating-point index in the
15 range from 0.0-1.0 which is linearly transformed (e.g., by
16 plcol1(3plplot)) to an integer index of these RGB vectors in the range
17 from 0 to ncol1-1. So in order for this continuous color model to work
18 properly, it is the responsibility of the user of plscmap1(3plplot) to
19 insure that these RGB vectors are continuous functions of their integer
20 indices.
21 Redacted form: plscmap1(r, g, b)
23 This function is used in example 31.
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27 r (PLINT_VECTOR(3plplot), input)
28 A vector that represents (using unsigned 8-bit integers in the
29 range from 0-255) the degree of red in the color as a continuous
30 function of the integer index of the vector.
31 g (PLINT_VECTOR(3plplot), input)
33 A vector that represents (using unsigned 8-bit integers in the
34 range from 0-255) the degree of green in the color as a continu‐
35 ous function of the integer index of the vector.
36 b (PLINT_VECTOR(3plplot), input)
38 A vector that represents (using unsigned 8-bit integers in the
39 range from 0-255) the degree of blue in the color as a continu‐
40 ous function of the integer index of the vector.
41 ncol1 (PLINT(3plplot), input)
43 Number of items in the r, g, and b vectors.
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47 Many developers (who are credited at http://plplot.org/credits.php)
48 have contributed to PLplot over its long history.
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51 PLplot documentation at http://plplot.org/documentation.php.
52 September, 2020 PLSCMAP1(3plplot)