Hello Otto,
some of the functions are avaiable directly on the DataField.
Have a look at the pygwy documentation:
http://gwyddion.net/documentation/head/pygwy/gwy.DataField-class.html
There are fit_poly, substract_poly, get_min and add.
Moreover you can find the function names of process_funcs in the module
browser.
I didn't find functions manipulating the color range. But the range
values and range type are stored in the container as /0/data/base/min,
/0/data/base/max, /0/base/range-type. min,max are double values. range
is an integer denoting the range-type.
>From the header:
typedef enum {
GWY_LAYER_BASIC_RANGE_FULL, // = 0
GWY_LAYER_BASIC_RANGE_FIXED, // = 1
GWY_LAYER_BASIC_RANGE_AUTO, // = 2
GWY_LAYER_BASIC_RANGE_ADAPT // = 3
} GwyLayerBasicRangeType;
I hope this helps a little
Regards
Lennart
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