nip2 comes with a lot of little utility functions. The functions
for list processing are listed in Table 6.3. There are a huge
number more, too many to really list here. Table 6.4 lists all
the utility toolkits with some hints about the kinds of
function they contain. Read the (heavily commented)
toolkits for details.
Toolkit
Contains
Description
_convert
parse_int l, …
convert ascii text to numbers
to_matrix x, …
convert anything into a matrix
colour_transform_to to x, …
convert between colour spaces
_generate
image_new w h ...
make a blank image
image_white i
look at image i, try to guess what white is
make_xy w h
make an image of size w by h whose pixel value are