Cloud2 – GUI

Cloud2 is a powerful tool for processing different types of data. Cloud (to) can transform, process and evaluate data such as point clouds, vector fields, space curves, and meshes. In addition, it has a powerful renderer that allows stunning graphics (see slideshow).

Version 15.7.22

This program is owned by Heiko Stark. It can be used free of charge for non-commercial use. For the common citations in publications please use the following entry “Cloud2 software (Heiko Stark, Jena, Germany, URL:

An installer for Windows and Linux can be found here: Software

cloud2 64bit (Windows & Wine/Darwine)
cloud2 32bit (Windows, ReactOS & Wine/Darwine)

cloud2 64bit (MacOS X with Quartz/GTK2 & Darling)
cloud2 32bit (MacOS X with Quartz/GTK2 & Darling)

cloud2 64bit (Linux with GTK2)
cloud2 32bit (Linux with GTK2)

cloud2 64bit (FreeBSD with GTK2)
cloud2 32bit (FreeBSD with GTK2)

cloud2 64bit (Solaris with GTK2)
cloud2 32bit (Solaris with GTK2)

cloud2 64bit (Dragonfly with GTK2)
cloud2 32bit (Dragonfly with GTK2)

Note: Intel 32bit runs also on 64bit systems, but only with 4GB memory!

// Make a surface with a hole
formula.random.point.plane -10 1 10 <0, 0, 0> <0, 0, 1> -10 1 10
bool.erase.cursor.point <0, 0, 0, 0> 4 100 
mesh.clean.surface 0.1
// end

// Create a video
for 360
	number #= -5 for.count
 	filename := "image-" number ".ppm"
	screenshot.yz filename <1000, 1000>
	transform.rotate <0, 0, 1>
// end

// Norm lines of a graph
for object.length 
	transform.norm.y 0 100 
// end

counter := 0

procedure shot
	number #= -5 counter
 	filename := "/home/tiger/Work/Projekt-Beagle/Modell/Data/2018 04 24/" "image-" number ".png"
	screenshot.xy filename <640; 480>
	counter += counter 1




for 1 100
	calculate.mean // sd
edit.smooth.lines 3 5
edit.smooth.lines 3 5
edit.smooth.lines 3 5

// saved on date 3.5.2018 | time 14:11:17:43 h

Nyakatura JA, Baumgarten R, Baum D, Stark H, Youlatos D (2019) Muscle internal structure revealed by contrast-enhanced µCT and fibre recognition: The hindlimb extensors of an arboreal and a fossorial squirrel. Mammalian Biology 99: 71-80. DOI:10.1016/j.mambio.2019.10.007 / ISSN:1616-5047

Rosin S & Nyakatura JA (2017). Hind limb extensor muscle architecture reflects locomotor specialisations of a jumping and a striding quadrupedal caviomorph rodent. Zoomorphology 136: 267. DOI:10.1007/s00435-017-0349-8

Kupczik K, Stark H, Mundry R, Neininger F, Heidlauf T, Röhrle O (2015). Reconstruction of muscle fascicle architecture from iodine-enhanced microCT images: a combined texture mapping and streamline approach. Journal of Theoretical Biology 382 (7): 34–43. DOI:10.1016/j.jtbi.2015.06.034 / ISSN:0022-5193

Nyakatura JA, Stark H (2015). Aberrant back muscle function correlates with intramuscular architecture of dorsovertebral muscles in two-toed sloths. Mammalian Biology – Zeitschrift Für Säugetierkunde 80 (2): 114–121. DOI:10.1016/j.mambio.2015.01.002 / ISSN:1616-5047

Stark H, Fröber R, Schilling N (2013) Intramuscular architecture of the autochthonous back muscles in humans. Journal of Anatomy 222 (2): 214–222. DOI:10.1111/joa.12005 / ISSN:0021-8782

Stark H, Schilling N (2010) A novel method of studying fascicle architecture in relaxed and contracted muscles. Journal of Biomechanics 43 (15): 2897-2903. DOI:10.1016/j.jbiomech.2010.07.031 / ISSN:0021-9220

If you want to send me a bug report or have some suggestions about what future versions of ‘cloud2’ should support you can contact me either by email (bugs[@]starkrats[dot]de).