plshade: Shade individual region on the basis of value

`plshade`: Shade individual region on the basis of value
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#### `plshade`: Shade individual region on the basis of value

`plshade (` | a,
| nx,
| ny,
| defined,
| xmin,
| xmax,
| ymin,
| ymax,
| shade_min,
| shade_max,
| sh_cmap,
| sh_color,
| sh_width,
| min_color,
| min_width,
| max_color,
| max_width,
| fill,
| rectangular,
| pltr,
| pltr_data`)`;

Shade individual region on the basis of value. Use `plshades` if you want to shade a number of regions using continuous colors. `plshade` is identical to `plshade1` except for the type of the first parameter. See `plshade1` for further discussion.

`a` (`const PLFLT * const *`, input)

`nx` (`PLINT`, input)

`ny` (`PLINT`, input)

`defined` (`PLINT (*) (PLFLT, PLFLT)`, input)

`xmin` (`PLFLT`, input)

`xmax` (`PLFLT`, input)

`ymin` (`PLFLT`, input)

`ymax` (`PLFLT`, input)

`shade_min` (`PLFLT`, input)

`shade_max` (`PLFLT`, input)

`sh_cmap` (`PLINT`, input)

`sh_color` (`PLFLT`, input)

`sh_width` (`PLFLT`, input)

`min_color` (`PLINT`, input)

`min_width` (`PLFLT`, input)

`max_color` (`PLINT`, input)

`max_width` (`PLFLT`, input)

`fill` (`void (*) (PLINT, const PLFLT *, const PLFLT *)`, input)

`rectangular` (`PLBOOL`, input)

`pltr` (`void (*) (PLFLT, PLFLT, PLFLT *, PLFLT *, PLPointer)` , input)

`pltr_data` (`PLPointer`, input)

Redacted form:

- General: `plshade(a, defined, xmin, xmax, ymin, ymax, shade_min, shade_max, sh_cmap, sh_color, sh_width, min_color, min_width, max_color, max_width, fill, rectangular, pltr, pltr_data)`

- Perl/PDL: Not available?

This function is used in example 15.

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