If you see any error in this description, please notify me (jvzeijl@isosa1.estec.esa.nl) and I will fix it.
Strings are written as non-quoted strings that may include the special characters '/' ("slash"), '-' ("dash"), '_' ("underscore), and '.' ("period"), in addition to upper and lowercase letters and non-leading digits.
-n -S 1 -D 0
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[thing]
<Thing>
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File: -- Input file consists of ... <Item> [<Item> ... ] Item: <Viewing> <Light> <Atmosphere> <RenderOption> <ObjItem> <Definition> ObjItem: -- Items used in object definition blocks <SurfDef> <ApplySurf> <Instance> <ObjDef> Viewing: eyep Xpos Ypos Zpos -- Eye position (0 -10 0) lookp Xpos Ypos Zpos -- Look position (0 0 0) up Xup Yup Zup -- "up" vector (0 0 1) fov Hfov [Vfov] -- Field of view in degrees (horiontal=45) aperture Width -- Aperture width (0) focaldist Distance -- focal distance (|eyep - lookp|) shutter Speed -- Shutter speed (0 = no blur) framelength Length -- Length of a single frame (1) screen Xsize Ysize -- Screen size (512 512) window Xmin Xmax Ymin Ymax -- Window (0 xsize-1 0 ysize-1) crop Left Right Bot Top -- Crop window (0 1 0 1) eyesep Separation -- eye separation SurfDef: -- Give a name to a set of surface attributes. surface Name <SurfSpec> [<SurfSpec> ...] Surface: -- Surface specification <SurfSpec> -- Use given attributes Surfname [<SurfSpec> ...] -- Use named surface w/ optional mods. cursurf [<SurfSpec> ...] -- Use current surface w/mods - see ApplySurf NamedSurf: -- Named surface specification Surfname cursurf SurfSpec: -- Surface attribute specification ambient R G B -- Ambient contribution diffuse R G B -- Diffuse color specular R G B -- Specular color specpow Exponent -- Phong exponent body R G B -- Body color extinct Coef -- Extinction coefficient transp Ktr -- Transparency, synonym for 'transparent' reflect Kr -- Reflectivity, synonym for 'reflective' index N -- Index of refraction translu Ktl R G B Stpow -- Translucency, transmit diffuse, spec exp -- synonym for 'translucency' noshadow -- No shadows cast on this surface Effect: -- Atmospheric Effects mist R G B Rtrans Gtrans Btrans Zero Scale fog R G B Rtrans Gtrans Btrans fogdeck Altitude Offset Xscale Yscale Zscale Chaosscale Octaves R G B Rthinness Gthinness Bthinness Atmosphere: -- Global atmosphere atmosphere [Index] <Effect> [<Effect>...] -- Global index, effects ApplySurf: applysurf <Surface> -- apply surf to all following objs w/o surface Instance: -- Instance of an object <Object> [<Transforms>] [<Textures>] Object: <Primitive> -- Primitive object <Aggregate> -- Named aggregate object [<Surface>] Objname -- Named object ObjDef: -- define a named object name Objname <Instance> Primitive: -- Primitive object plane [<Surface>] Xpos Ypos Zpos Xnorm Ynorm Znorm disc [<Surface>] Radius Xpos Ypos Zpos Xnorm Ynorm Znorm sphere [<Surface>] Radius Xpos Ypos Zpos triangle [<Surface>] Xv1 Yv1 Zv1 Xv2 Yv2 Zv2 Xv3 Yv3 Zv3 -- flat-shaded triangle triangle [<Surface>] Xv1 Yv1 Zv1 Xn1 Yn1 Zn1 Xv2 Yv2 Zv2 Xn2 Yn2 Zn2 Xv3 Yv3 Zv3 Xn3 Yn3 Zn3 -- Phong-shaded triangle triangleuv [<Surface>] Xv1 Yv1 Zv1 Xn1 Yn1 Zn1 U1 V1 Xv2 Yv2 Zv2 Xn2 Yn2 Zn2 U2 V2 Xv3 Yv3 Zv3 Xn3 Yn3 Zn3 U3 V3 -- Phong-shaded triangle with uv mapping poly [<Surface>] Xv1 Yv1 Zv1 -- synonym for 'polygon' Xv2 Yv2 Zv2 Xv3 Yv3 Zv3 [Xv3 Yv4 Zv4 ...] box [<Surface>] Xlow Ylow Zlow Xhi Yhi Zhi cylinder [<Surface>] Radius Xbase Ybase Zbase Xapex Yapex Zapex cone [<Surface>] Rbase Xbase Ybase Zbase Rapex Xapex Yapex Zapex torus [<Surface>] Rswept Rtube Xpos Ypos Zpos Xnorm Ynorm Znorm blob [<Surface>] Thresh Stren Rad Xpos Ypos Zpos [Stren Rad Xpos Ypos Zpos ...] cblob [<Surface>] Thresh Stren Rad Xpos Ypos Zpos [<Surface>] [Stren Rad Xpos Ypos Zpos [<Surface>] ...] heightfield [<Surface>] Filename fracland [<Surface>] Seed Subdiv rotspline [<Surface>] Xbase Ybase Zbase Xapex Yapex Zapex coeffs c3 c2 c1 c0 rotspline [<Surface>] Xbase Ybase Zbase Rbase Gbase Xapex Yapex Zapex Rapex Gapex sweptsph <SweptSphCenter> r0 r1 r2 r3 SweptSphCenter: bezier x0 y0 z0 x1 y1 z1 x2 y2 z2 x3 y3 z3 coeffs cx0 cx1 cx2 cx3 cy0 cy1 cy2 cy3 cz0 cz1 cz2 cz3 xbezier x0 x1 x2 x3 ybezier y0 y1 y2 y3 zbezier z0 z1 z2 z3 xcoeffs cx0 cx1 cx2 cx3 ycoeffs cy0 cy1 cy2 cy3 zcoeffs cz0 cz1 cz2 cz3 Aggregate: <Grid> <List> <CSG> Grid: grid X Y Z <ObjItem> [<ObjItem> ...] end List: list <ObjItem> [<ObjItem> ...] end CSG: union <ObjItem> <ObjItem> [<ObjItem> ...] end intersect <ObjItem> <ObjItem> [<ObjItem> ...] end difference <ObjItem> <ObjItem> [<ObjItem> ...] end -- CSG will only work properly when applied to closed objects, e.g.: -- sphere, box, torus, blob, closed Aggregate, other CSG object Transforms: -- Transformations translate Xtrans Ytrans Ztrans scale Xscale Yscale Zscale rotate Xaxis Yaxis Zaxis Degrees transform X1 Y1 Z1 X2 Y2 Z2 X3 Y3 Z3 [Xt Yt Zt] Textures: texture <Texture> [Transforms] [<Texture> [Transforms] ...] Texture: checker <Surface> blotch Scale <Surface> bump Bumpscale marble [Colormapname] fbm Offset Scale H Lambda Octaves Thresh [Colormapname] fbmbump Offset Scale H Lambda Octaves wood gloss Glossiness cloud Scale H Lambda Octaves Cthresh Lthresh Transcale sky Scale H Lambda Octaves Cthresh Lthresh stripe <Surface> Width Bumpscale [<Mapping>] image Imagefile [<ImageTextOption> [<ImageTextOption> ...]] gradient <NamedSurf> <NamedSurf> [<GradShape>] [start stop] [<GradType>] [random] windy Scale Wscale Cscale Bscale Octaves Tscale Hscale Offset mount Colormapname Turb Slope ImageTextOption: component <SurfComp> range Lo Hi smooth textsurf <Surface> tile U V <Mapping> SurfComp: ambient diffuse body reflect -- synonym for 'reflective' transp -- synonym for 'transparent' specular specpow bump index Mapping: map uv map cylindrical [Xorigin Yorigin Zorigin Xup Yup Zup Xu Yu Zu] map planar [Xorigin Yorigin Zorigin Xv Yv Zv Xu Yu Zu] map spherical [Xorigin Yorigin Zorigin Xup Yup Zup Xu Yu Zu] GradShape: planar -- default radial sperical GradType: linear -- default log revlog Light: light R G B <LightType> [noshadow] light Intensity <LightType> [noshadow] LightType: ambient point Xpos Ypos Zpos directional Xdir Ydir Zdir extended Radius Xpos Ypos Zpos spot Xpos Ypos Zpos Xat Yat Zat Coef [Thetain Thetaout] area Xorigin Yorigin Zorigin Xu Yu Zu Usamples Xv Yv Zv Vsamples projector Imagefile [<ImageLightOption>] Xfrom Yfrom Zfrom Xto Yto Zto Xup Yup Zup Uangle Vangle Falloff_flag ImageLightOption: tile U V smooth RenderOption: sample Nsamp [jitter | nojitter] -- Use Nsamp^2 pixel samples (3^2 jitter) background R G B -- Background color (0 0 0) outfile Filename -- Output file name (written to stdout) frames Nframes -- Number of frames to render (1) starttime Time -- Time corresponding to start of frame 0 contrast R G B -- Maximum contrast w/o supersampling maxdepth Depth -- Maximum ray tree depth (5) cutoff Factor -- Minimum spawned ray contribution (.001) report [verbose] [quiet] [Freq] [Statfile] -- Reporting mode (false false 10 stderr) shadowtransp -- Toggle object opacity affects shadows filter <FilterType> [Width] -- use filter with specified width -- (box=1.0 gauss=1.8) print Value -- print value to stderr FilterType: box -- default gauss Definition: -- Variable definition define Name Expr -- Assign value for Name