Table of Contents  ▸  List of Commands

◀  Adding Custom Commands    |    Funny Oneliners  ▶

List of Commands

All available G'MIC commands are listed below, by categories. An argument specified between [] or starting by _ is optional except when standing for an existing image [image], where image can be either an index number or an image name. In this case, the [] characters are mandatory when writing the item. Note that all images that serve as illustrations in this reference documentation are normalized in range [0,255] before being displayed. You may need to do this explicitly (command normalize 0,255) if you want to save and view images with the same aspect than those illustrated in the example codes.
The examples accompanying this 'List of Commands' illustrate the use of the G'MIC language and are written as they would appear in a custom command. While some examples may work if entered directly at a shell prompt, there is no guarantee. No attempt has been made to escape special characters in these examples, which many shells reserve.

Categories:

• Global Options
• Input / Output
• List Manipulation
• Mathematical Operators
• Values Manipulation
• Colors
• Geometry Manipulation
• Filtering
• Features Extraction
• Image Drawing
• Matrix Computation
• 3D Meshes
• Flow Control
• Neural Networks
• Arrays, Tiles and Frames
• Artistic
• Warpings
• Degradations
• Blending and Fading
• Image Sequences and Videos
• Convenience Functions
• Other Interactive Commands
• Command Shortcuts

Global Options:

debug

help

version

Input / Output:

camera	command	cursor	delete	display
display0	display_array	display_camera	display_clut	display_fft
display_graph	display_histogram	display_parametric	display_polar	display_quiver
display_rgba	display_tensors	display_voxels3d	display_warp	echo
echo_file	font	font2gmz	function1d	identity
input	input_565	input_bytes	input_csv	input_cube
input_flo	input_glob	input_gpl	input_cached	input_obj
input_text	lorem	network	output	output_565
output_cube	output_flo	output_ggr	output_gmz	output_obj
output_text	outputn	outputp	outputw	outputx
parse_cli	parse_gmd	gmd2html	gmd2ascii	parse_gui
pass	plot	portrait	print	random_pattern
screen	select	serialize	shape_circle	shape_cupid
shape_diamond	shape_dragon	shape_fern	shape_gear	shape_heart
shape_menger	shape_mosely	shape_polygon	shape_rays	shape_snowflake
shape_star	shared	sample	srand	store
testimage2d	uncommand	uniform_distribution	unserialize	update
verbose	wait	warn	window

List Manipulation:

keep	keep_named	move	name	remove
remove_duplicates	remove_empty	remove_named	reverse	sort_list

Mathematical Operators:

abs	acos	acosh	add	and
argmax	argmaxabs	argmin	argminabs	asin
asinh	atan	atan2	atanh	bsl
bsr	cos	cosh	deg2rad	div
div_complex	eq	erf	exp	ge
gt	le	lt	log	log10
log2	max	maxabs	mdiv	med
min	minabs	mod	mmul	mul
mul_channels	mul_complex	neq	or	pow
rad2deg	rol	ror	sign	sin
sinc	sinh	sqr	sqrt	sub
tan	tanh	xor

Values Manipulation:

apply_curve	apply_gamma	balance_gamma	cast	complex2polar
compress_clut	compress_huffman	huffman_tree	compress_rle	cumulate
cut	decompress_clut	decompress_clut_rbf	decompress_clut_pde	decompress_huffman
decompress_rle	discard	eigen2tensor	endian	equalize
fill	index	inrange	map	mix_channels
negate	noise	noise_perlin	noise_poissondisk	normp
norm1	norm2	normalize	normalize_l2	normalize_sum
not	orientation	oneminus	otsu	polar2complex
quantize	quantize_area	rand	rand_sum	replace
replace_inf	replace_infnan	replace_nan	replace_seq	replace_str
round	roundify	set	threshold	vector2tensor

Colors:

adjust_colors	apply_channels	autoindex	bayer2rgb	clut
cmy2rgb	cmyk2rgb	colorblind	colormap	compose_channels
deltaE	direction2rgb	ditheredbw	fill_color	gradient2rgb
hcy2rgb	hsi2rgb	hsi82rgb	hsl2rgb	hsl82rgb
hsv2rgb	hsv82rgb	int2rgb	ipremula	jzazbz2rgb
jzazbz2xyz	lab2lch	lab2rgb	lab2srgb	lab82srgb
lab2xyz	lab82rgb	lch2lab	lch2rgb	lch82rgb
luminance	lightness	lut_contrast	map_clut	match_histogram
match_icp	match_pca	match_rgb	mix_rgb	oklab2rgb
palette	premula	pseudogray	random_clut	random_clut
replace_color	retinex	rgb2bayer	rgb2cmy	rgb2cmyk
rgb2hcy	rgb2hsi	rgb2hsi8	rgb2hsl	rgb2hsl8
rgb2hsv	rgb2hsv8	rgb2int	rgb2jzazbz	rgb2lab
rgb2lab8	rgb2lch	rgb2lch8	rgb2luv	rgb2oklab
rgb2ryb	rgb2srgb	rgb2xyz	rgb2xyz8	rgb2yiq
rgb2yiq8	rgb2ycbcr	rgb2yuv	rgb2yuv8	remove_opacity
ryb2rgb	select_color	sepia	solarize	split_colors
split_opacity	srgb2lab	srgb2lab8	srgb2rgb	to_a
to_color	to_colormode	to_gray	to_graya	to_pseudogray
to_rgb	to_rgba	to_automode	xyz2jzazbz	xyz2lab
xyz2rgb	xyz82rgb	ycbcr2rgb	yiq2rgb	yiq82rgb
yuv2rgb	yuv82rgb

Geometry Manipulation:

append	append_tiles	apply_scales	autocrop	autocrop_components
autocrop_seq	channels	columns	crop	diagonal
edgels	elevate	expand_x	expand_xy	expand_xyz
expand_y	expand_z	extract	extract_region	montage
mirror	permute	resize	resize_as_image	resize_mn
resize_pow2	resize_ratio2d	resize2din	resize3din	resize2dout
resize3dout	resize2dx	resize2dy	resize3dx	resize3dy
resize3dz	rotate	rotate_tileable	rows	scale2x
scale3x	scale_dcci2x	seamcarve	shift	shrink_x
shrink_xy	shrink_xyz	shrink_y	shrink_z	slices
sort	split	split_tiles	undistort	unroll
upscale_smart	volumetric2d

Filtering:

bandpass	bilateral	blur	blur_angular	blur_bloom
blur_linear	blur_radial	blur_selective	blur_x	blur_xy
blur_xyz	blur_y	blur_z	boxfilter	bump2normal
closing	closing_circ	compose_freq	convolve	convolve_fft
correlate	cross_correlation	curvature	dct	deblur
deblur_goldmeinel	deblur_richardsonlucy	deconvolve_fft	deinterlace	denoise
denoise_haar	denoise_cnn	denoise_patchpca	deriche	dilate
dilate_circ	dilate_oct	dilate_threshold	divergence	dog
diffusiontensors	edges	erode	erode_circ	erode_oct
erode_threshold	fft	gradient	gradient_norm	gradient_orientation
guided	haar	heat_flow	hessian	idct
iee	ifft	ihaar	ilaplacian	inn
inpaint	inpaint_pde	inpaint_flow	inpaint_holes	inpaint_morpho
inpaint_matchpatch	kuwahara	laplacian	lic	map_tones
map_tones_fast	meancurvature_flow	median	merge_alpha	nlmeans
nlmeans_core	normalize_local	normalized_cross_correlation	opening	opening_circ
percentile	peronamalik_flow	phase_correlation	pde_flow	periodize_poisson
rbf	red_eye	remove_hotpixels	remove_pixels	rolling_guidance
sharpen	sharpen_alpha	smooth	split_freq	solve_poisson
split_alpha	split_details	structuretensors	solidify	syntexturize
syntexturize_matchpatch	tv_flow	unsharp	unsharp_octave	vanvliet
voronoi	watermark_fourier	watershed

Features Extraction:

area	area_fg	at_line	at_quadrangle	barycenter
betti	canny	delaunay	detect_skin	displacement
distance	fftpolar	histogram	histogram_masked	histogram_nd
histogram_cumul	histogram_pointwise	hough	ifftpolar	img2patches
isophotes	label	label_fg	laar	max_patch
min_patch	minimal_path	mse	mse_matrix	patches2img
patches	matchpatch	plot2value	pointcloud	psnr
psnr_matrix	segment_watershed	shape2bump	skeleton	slic
ssd_patch	ssim	ssim_matrix	thinning	tones
topographic_map	tsp	variance_patch

Image Drawing:

arrow	axes	ball	chessboard	cie1931
circle	close_binary	ellipse	flood	gaussian
graph	grid	image	imagealpha	line
line_aa	spline	thickline	thickspline	mandelbrot
marble	maze	maze_mask	newton_fractal	object3d
pack_sprites	piechart	plasma	point	polka_dots
polygon	quiver	rectangle	rorschach	sierpinski
spiralbw	tetraedron_shade	text	text_outline	triangle_shade
truchet	turbulence	yinyang

Matrix Computation:

dijkstra	eigen	eye	invert	meigen
mproj	orthogonalize	poweriteration	solve	svd
transpose	trisolve

3D Meshes:

add3d	animate3d	apply_camera3d	apply_matrix3d	array3d
arrow3d	axes3d	boundingbox3d	box3d	center3d
chainring3d	circle3d	circles3d	color3d	colorcube3d
cone3d	cubes3d	cup3d	curve3d	cylinder3d
delaunay3d	distribution3d	div3d	double3d	elevation3d
empty3d	extract_textures3d	extrude3d	focale3d	fov3d
gaussians3d	gmic3d	gyroid3d	histogram3d	image6cube3d
imageblocks3d	imagecube3d	imageplane3d	imagepyramid3d	imagerubik3d
imagesphere3d	isoline3d	isosurface3d	label3d	label_points3d
lathe3d	light3d	line3d	lissajous3d	mode3d
moded3d	mul3d	normalize3d	opacity3d	parametric3d
pca_patch3d	plane3d	point3d	pointcloud3d	pose3d
primitives3d	projections3d	pyramid3d	quadrangle3d	random3d
reverse3d	rotate3d	rotation3d	sierpinski3d	size3d
skeleton3d	snapshot3d	specl3d	specs3d	sphere3d
spherical3d	spline3d	split3d	sprite3d	sprites3d
star3d	streamline3d	sub3d	subdivide3d	superformula3d
surfels3d	tensors3d	text_pointcloud3d	text3d	texturize3d
torus3d	triangle3d	volume3d	voxelize3d	weird3d

Flow Control:

apply_parallel	apply_parallel_channels	apply_parallel_overlap	apply_tiles	apply_timeout
check	check3d	continue	break	do
done	elif	else	fi	error
eval	exec	exec_out	for	foreach
if	local	mutex	noarg	onfail
parallel	progress	quit	repeat	return
rprogress	run	skip	status	while

Neural Networks:

nn_lib	nn_init	nn_check_layer	nn_add	nn_append
nn_avgpool2d	nn_avgpool3d	nn_clone	nn_conv2d	nn_conv2dnl
nn_conv2dnnl	nn_conv3d	nn_conv3dnl	nn_conv3dnnl	nn_crop
nn_distance	nn_dropout	nn_fc	nn_nlfc	nn_fcnl
nn_fcnnl	nn_input	nn_maxpool2d	nn_maxpool3d	nn_mul
nn_nl	nn_normalize	nn_patchdown2d	nn_patchdown3d	nn_patchup2d
nn_patchup3d	nn_rename	nn_resconv2d	nn_resconv2dnl	nn_resconv2dnnl
nn_resconv3d	nn_resconv3dnl	nn_resconv3dnnl	nn_resfc	nn_resfcnl
nn_resfcnnl	nn_reshape	nn_resize	nn_run	nn_split
nn_loss_binary_crossentropy	nn_loss_crossentropy	nn_loss_mse	nn_loss_normp	nn_loss_softmax_crossentropy
nn_print	nn_trainer	nn_size	nn_load	nn_save
nn_store

Arrays, Tiles and Frames:

array	array_fade	array_mirror	array_random	frame_blur
frame_cube	frame_fuzzy	frame_painting	frame_pattern	frame_round
frame_seamless	frame_x	frame_xy	frame_xyz	frame_y
img2ascii	imagegrid	imagegrid_hexagonal	imagegrid_triangular	linearize_tiles
map_sprites	pack	puzzle	quadratize_tiles	rotate_tiles
shift_tiles	taquin	tunnel

Artistic:

boxfitting	brushify	cartoon	color_ellipses	cubism
draw_whirl	drawing	drop_shadow	drop_shadow	ellipsionism
fire_edges	fractalize	glow	halftone	hardsketchbw
hearts	houghsketchbw	lightrays	light_relief	linify
mosaic	old_photo	pencilbw	pixelsort	polaroid
polygonize	poster_edges	poster_hope	rodilius	sketchbw
sponge	stained_glass	stars	stencil	stencilbw
stylize	tetris	warhol	weave	whirls

Warpings:

deform	euclidean2polar	equirectangular2nadirzenith	fisheye	flower
kaleidoscope	map_sphere	nadirzenith2equirectangular	polar2euclidean	raindrops
ripple	rotoidoscope	spherize	symmetrize	transform_polar
twirl	warp	warp_patch	warp_perspective	warp_rbf
water	wave	wind	zoom

Degradations:

cracks	light_patch	noise_hurl	pixelize	scanlines
shade_stripes	shadow_patch	spread	stripes_y	texturize_canvas
texturize_paper	vignette	watermark_visible

Blending and Fading:

blend	blend_edges	blend_fade	blend_median	blend_seamless
fade_diamond	fade_linear	fade_radial	fade_x	fade_y
fade_z	sub_alpha

Image Sequences and Videos:

animate	apply_camera	apply_files	apply_video	average_files
average_video	fade_files	fade_video	files2video	median_files
median_video	morph	morph_files	morph_rbf	morph_video
register_nonrigid	register_rigid	transition	transition3d	video2files

Convenience Functions:

add_copymark	alert	arg	arg0	arg2img
arg2var	autocrop_coords	average_vectors	base642img	base642uint8
basename	bin	bin2dec	cat	color2name
covariance_vectors	da_freeze	dec	dec2str	dec2bin
dec2hex	dec2oct	fibonacci	file_mv	filename
filename_rand	filename_dated	files	files2img	fitratio_wh
fitscreen	fontchart	fps	gcd	hex
hex2dec	hex2img	hex2str	img2base64	img2hex
img2str	img2text	is_mesh3d	is_change	is_half
is_ext	is_image_arg	is_pattern	is_varname	is_videofilename
is_macos	is_windows	lof	math_lib	mad
max_w	max_h	max_d	max_s	max_wh
max_whd	max_whds	median_vectors	min_w	min_h
min_d	min_s	min_wh	min_whd	min_whds
name2color	named	narg	normalize_filename	oct
oct2dec	padint	path_cache	path_current	path_gimp
path_tmp	remove_copymark	reset	rgb	rgba
shell_cols	size_value	std_noise	str	strbuffer
str2hex	strcapitalize	strcontains	strclut	strlen
strreplace	strlowercase	struppercase	strvar	strcasevar
strver	tic	toc	uint82base64

Other Interactive Commands:

demos	tixy	x_2048	x_blobs	x_bouncing
x_color_curves	x_colorize	x_connect4	x_crop	x_cut
x_fire	x_fireworks	x_fisheye	x_fourier	x_grab_color
x_hanoi	x_histogram	x_hough	x_jawbreaker	x_landscape
x_life	x_light	x_mandelbrot	x_mask_color	x_metaballs3d
x_minesweeper	x_minimal_path	x_morph	x_pacman	x_paint
x_plasma	x_quantize_rgb	x_reflection3d	x_rubber3d	x_segment
x_select_color	x_select_function1d	x_select_palette	x_shadebobs	x_spline
x_starfield3d	x_tetris	x_threshold	x_tictactoe	x_warp
x_waves	x_whirl

Command Shortcuts:

Shortcut name	Equivalent command name
h	help
m	command
d	display
d0	display0
da	display_array
dc	display_camera
dclut	display_clut
dfft	display_fft
dg	display_graph
dh	display_histogram
dq	display_quiver
drgba	display_rgba
dt	display_tensors
dv3d	display_voxels3d
dw	display_warp
e	echo
i	input
ib	input_bytes
ig	input_glob
it	input_text
o	output
ot	output_text
on	outputn
op	outputp
ow	outputw
ox	outputx
p	print
sh	shared
sp	sample
um	uncommand
up	update
v	verbose
w	window
k	keep
kn	keep_named
mv	move
nm	name
=>	name
rm	remove
rmn	remove_named
rv	reverse
+	add
&	and
<<	bsl
>>	bsr
/	div
==	eq
>=	ge
>	gt
<=	le
<	lt
m/	mdiv
%	mod
m*	mmul
*	mul
!=	neq
|	or
^	pow
-	sub
c	cut
f	fill
ir	inrange
norm	norm2
n	normalize
=	set
ac	apply_channels
fc	fill_color
a	append
z	crop
r	resize
ri	resize_as_image
rr2d	resize_ratio2d
r2din	resize2din
r3din	resize3din
r2dout	resize2dout
r3dout	resize3dout
r2dx	resize2dx
r2dy	resize2dy
r3dx	resize3dx
r3dy	resize3dy
r3dz	resize3dz
s	split
y	unroll
b	blur
g	gradient
j	image
ja	imagealpha
j3d	object3d
t	text
to	text_outline
+3d	add3d
c3d	center3d
col3d	color3d
/3d	div3d
db3d	double3d
f3d	focale3d
l3d	light3d
m3d	mode3d
md3d	moded3d
*3d	mul3d
n3d	normalize3d
o3d	opacity3d
p3d	primitives3d
rv3d	reverse3d
r3d	rotate3d
sl3d	specl3d
ss3d	specs3d
s3d	split3d
-3d	sub3d
t3d	texturize3d
ap	apply_parallel
apc	apply_parallel_channels
apo	apply_parallel_overlap
at	apply_tiles
x	exec
xo	exec_out
l	local
q	quit
u	status
frame	frame_xy
nmd	named
xz	x_crop