Table of Contents  ▸  List of Commands

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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	compress_to_keypoints	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_normalized	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	poincare_disk
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
eq	erf	exp	ge	gt
isinf	isnan	le	lt	log
log10	log2	max	maxabs	mdiv
med	min	minabs	mod	mmul
mul	neq	or	pow	rad2deg
rol	ror	sign	sin	sinc
sinh	softmax	sqr	sqrt	sub
tan	tanh	xor

Values Manipulation:

apply_curve	apply_gamma	balance_gamma	cast	complex2polar
compress_clut	compress_huffman	compress_rle	cumulate	cut
decompress_clut	decompress_from_keypoints	decompress_huffman	decompress_rle	discard
eigen2tensor	endian	equalize	fill	index
inrange	map	mix_channels	negate	noise_perlin
noise_poissondisk	normp	norm1	norm2	normalize
normalize_l2	normalize_sum	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
clut2hald	hald2clut	cmy2rgb	cmyk2rgb	colorblind
colormap	compose_channels	count_colors	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	split_vector
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_coords	autocrop_seq	channels	columns	crop
diagonal	elevate	expand	extract	extract_region
montage	mirror	permute	rescale2d	rescale3d
resize	resize_as_image	resize_mn	resize_pow2	rotate
rotate_tileable	rows	scale2x	scale3x	scale_dcci2x
seamcarve	shift	shrink	slices	sort
split	split_tiles	undistort	unroll	upscale_smart
volumetric2d

Filtering:

bandpass	bilateral	blur	blur_angular	blur_bloom
blur_linear	blur_radial	blur_selective	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	edgels	fftpolar	histogram	histogram_masked
histogram_nd	histogram_cumul	histogram_pointwise	hough	huffman_tree
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	curve	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	fitsamples	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
colorize3d	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	lines3d
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_fcnl	nn_fcnnl
nn_input	nn_maxpool2d	nn_maxpool3d	nn_mp	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
frame_blur	frame_cube	frame_fuzzy	frame_painting	frame_pattern
frame_round	frame_seamless	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
warp_seamless	water	wave	wind	zoom

Degradations:

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

Blending and Fading:

blend	nblend	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	average_vectors	base642img	base642uint8	basename
bin	bin2dec	cat	color2name	covariance_vectors
da_freeze	date	dec	dec2str	dec2bin
dec2hex	dec2oct	fibonacci	file_mv	filename
filename_rand	filename_dated	files	files2img	fitratio_wh
fitscreen	fontchart	fps	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	time	toc	uint82base64

Other Interactive Commands:

demos	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_tixy	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
in	input_normalized
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
rs	rescale2d
rs3d	rescale3d
r	resize
ri	resize_as_image
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
nmd	named
xz	x_crop