The RenderMan Interface - Paul Bourke

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extern RtPoint * RiTransformPoints(RtToken fromspace, RtToken tospace, RtInt n, RtPoint points[]); extern RtVoid RiTransformBegin(void), RiTransformEnd(void); extern RtVoid RiAttribute(RtToken name, ...), RiAttributeV(RtToken name, RtInt n, RtToken tokens[], RtPointer parms[]); extern RtVoid RiPolygon(RtInt nverts, ...), RiPolygonV(RtInt nverts, RtInt n, RtToken tokens[], RtPointer parms[]), RiGeneralPolygon(RtInt nloops, RtInt nverts[], ...), RiGeneralPolygonV(RtInt nloops, RtInt nverts[], RtInt n, RtToken tokens[], RtPointer parms[]), RiPointsPolygons(RtInt npolys, RtInt nverts[], RtInt verts[], ...), RiPointsPolygonsV(RtInt npolys, RtInt nverts[], RtInt verts[], RtInt n, RtToken tokens[], RtPointer parms[]), RiPointsGeneralPolygons(RtInt npolys, RtInt nloops[], RtInt nverts[], RtInt verts[], ...), RiPointsGeneralPolygonsV(RtInt npolys, RtInt nloops[], RtInt nverts[], RtInt verts[], RtInt n, RtToken tokens[], RtPointer parms[]), RiBasis(RtBasis ubasis, RtInt ustep, RtBasis vbasis, RtInt vstep), RiPatch(RtToken type, ...), RiPatchV(RtToken type, RtInt n, RtToken tokens[], RtPointer parms[]), RiPatchMesh(RtToken type, RtInt nu, RtToken uwrap, RtInt nv, RtToken vwrap, ...), RiPatchMeshV(RtToken type, RtInt nu, RtToken uwrap, RtInt nv, RtToken vwrap, RtInt n, RtToken tokens[], RtPointer parms[]), RiNuPatch(RtInt nu, RtInt uorder, RtFloat uknot[], RtFloat umin, RtFloat umax, RtInt nv, RtInt vorder, RtFloat vknot[], RtFloat vmin, RtFloat vmax, ...), RiNuPatchV(RtInt nu, RtInt uorder, RtFloat uknot[], RtFloat umin, RtFloat umax, RtInt nv, RtInt vorder, RtFloat vknot[], RtFloat vmin, RtFloat vmax, RtInt n, RtToken tokens[], RtPointer parms[]), RiTrimCurve(RtInt nloops, RtInt ncurves[], RtInt order[], RtFloat knot[], RtFloat min[], RtFloat max[], RtInt n[], RtFloat u[], RtFloat v[], RtFloat w[]); extern RtVoid RiSphere(RtFloat radius, RtFloat zmin, RtFloat zmax, RtFloat tmax, ...), RiSphereV(RtFloat radius, RtFloat zmin, RtFloat zmax, RtFloat tmax, RtInt n, RtToken tokens[], RtPointer parms[]), RiCone(RtFloat height, RtFloat radius, RtFloat tmax, ...), RiConeV(RtFloat height, RtFloat radius, RtFloat tmax, RtInt n, RtToken tokens[], RtPointer parms[]), RiCylinder(RtFloat radius,RtFloat zmin,RtFloat zmax,RtFloat tmax, ...), RiCylinderV(RtFloat radius, RtFloat zmin, RtFloat zmax, RtFloat tmax, RtInt n, RtToken tokens[], RtPointer parms[]), RiHyperboloid(RtPoint point1, RtPoint point2, RtFloat tmax, ...), RiHyperboloidV(RtPoint point1, RtPoint point2, RtFloat tmax, RtInt n, RtToken tokens[], RtPointer parms[]), RiParaboloid(RtFloat rmax,RtFloat zmin,RtFloat zmax,RtFloat tmax, ...), RiParaboloidV(RtFloat rmax, RtFloat zmin, RtFloat zmax, RtFloat tmax, 171
RtInt n, RtToken tokens[], RtPointer parms[]), RiDisk(RtFloat height, RtFloat radius, RtFloat tmax, ...), RiDiskV(RtFloat height, RtFloat radius, RtFloat tmax, RtInt n, RtToken tokens[], RtPointer parms[]), RiTorus(RtFloat majrad, RtFloat minrad, RtFloat phimin, RtFloat phimax, RtFloat tmax, ...), RiTorusV(RtFloat majrad,RtFloat minrad, RtFloat phimin, RtFloat phimax, RtFloat tmax, RtInt n, RtToken tokens[], RtPointer parms[]); extern RtVoid RiBlobby(RtInt nleaf, RtInt ncode, RtInt code[], RtInt nflt, RtFloat flt[], RtInt nstr, RtToken str[], ...); extern RtVoid RiBlobbyV(RtInt nleaf, RtInt ncode, RtInt code[], RtInt nflt, RtFloat flt[], RtInt nstr, RtToken str[], RtInt n , RtToken tokens[], RtPointer parms[]); extern RtVoid RiCurves(RtToken type, RtInt ncurves, RtInt nvertices[], RtToken wrap, ...), RiCurvesV(RtToken type, RtInt ncurves, RtInt nvertices[], RtToken wrap, RtInt n, RtToken tokens[], RtPointer parms[]), RiPoints(RtInt nverts,...), RiPointsV(RtInt nverts, RtInt n, RtToken tokens[], RtPointer parms[]), RiSubdivisionMesh(RtToken mask, RtInt nf, RtInt nverts[], RtInt verts[], RtInt ntags, RtToken tags[], RtInt numargs[], RtInt intargs[], RtFloat floatargs[], ...), RiSubdivisionMeshV(RtToken mask, RtInt nf, RtInt nverts[], RtInt verts[], RtInt ntags, RtToken tags[], RtInt nargs[], RtInt intargs[], RtFloat floatargs[], RtInt n, RtToken tokens[], RtPointer *parms); extern RtVoid RiProcedural(RtPointer data, RtBound bound, RtVoid (*subdivfunc)(RtPointer, RtFloat), RtVoid (*freefunc)(RtPointer)), RiGeometry(RtToken type, ...), RiGeometryV(RtToken type, RtInt n, RtToken tokens[], RtPointer parms[]); extern RtVoid RiSolidBegin(RtToken operation), RiSolidEnd(void) ; extern RtObjectHandle RiObjectBegin(void); extern RtVoid RiObjectEnd(void), RiObjectInstance(RtObjectHandle handle), RiMotionBegin(RtInt n, ...), RiMotionBeginV(RtInt n, RtFloat times[]), RiMotionEnd(void) ; extern RtVoid RiMakeTexture(char *pic, char *tex, RtToken swrap, RtToken twrap, RtFilterFunc filterfunc, RtFloat swidth, RtFloat twidth, ...), 172
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The RenderMan Interface Version 3.2
Page 3 and 4:
TABLE OF CONTENTS List of Figures L
Page 5 and 6:
12.1 Surface Shaders . . . . . . .
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Section I DIFFERENCES BETWEEN VERSI
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LIST OF TABLES 4.1 Camera Options .
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PREFACE This document is version 3.
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Section 1 INTRODUCTION The RenderMa
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created using this language. This l
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Depth of Field The ability to simul
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typedef RtPointer typedef RtPointer
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RiContext (ctx1); ... There is no R
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Section 3 RELATIONSHIP TO THE RENDE
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through the interface. Any place wh
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RtContextHandle RiGetContext ( void
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RiWorldBegin (); ... RiColor (...);
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Camera Option Type Default Descript
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ottom top left right Screen Window
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EXAMPLE RiFrameAspectRatio (4.0/3.0
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not support the special projection
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This procedure sets the times at wh
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Output depth values are the camera-
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A particular renderer implementatio
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Renderers may additionally produce
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The number of color components, n,
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RiAttributeBegin () RiAttributeEnd
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RIB BINDING Color c0 c1... cn Color
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An area light source is defined by
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The sequencenumber is the integer l
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4.2.5 Displacement shading The grap
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SEE ALSO RiExterior RiAtmosphere Ri
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Matte onoff EXAMPLE RiMatte (RI TRU
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object foo2 will be drawn when the
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the exterior is the region adjacent
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RiIdentity ( ); SEE ALSO RiTransfor
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RiScale ( RtFloat sx, RtFloat sy, R
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4.3.2 Transformation stack Transfor
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Section 5 GEOMETRIC PRIMITIVES The
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Information Name Type Class Floats
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No checking is done by the RenderMa
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5.2 Patches Patches can be either u
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U V 0 1 2 3 12 13 14 15 4 5 6 7 8 9
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10 x 7 Aperiodic Bezier Bicubic Pat
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SEE ALSO 2 2 [ 0 0 1 1 ] 0 1 ”Pw
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parameterlist is a list of token-ar
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Requests a sphere defined by the fo
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Hyperboloid 0 0 0 .5 0 0 270 ”Cs
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z N z V point2 height U x x y 0 max
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particle. If a primitive variable i
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The code array is a sequence of mac
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is an array of floats that define t
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The helper program generates geomet
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Procedural ”DynamicLoad” [ ”m
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SolidBegin ( ”difference” ); So
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Section 6 MOTION Some rendering pro
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Transformations Geometry Shading Ri
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channels (usually an RGB color) can
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Image Forward Axis Up Axis Right Ax
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ErrorHandler ”ignore” ErrorHand
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Part II The RenderMan Shading Langu
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spaces (such as CMYK or pseudocolor
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transmit reflect transmit P E light
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Section 10 RELATIONSHIP TO THE REND
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Section 11 TYPES The Shading Langua
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Coordinate System ”shader” ”c
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As in C, individual array elements
Page 131 and 132: Light Source E Vantage Point N L Il
Page 133 and 134: Surface Element to Illuminate L N I
Page 135 and 136: Name Type Storage Class Description
Page 137 and 138: • conditional execution, • loop
Page 139 and 140: This example integrates over a hemi
Page 141 and 142: Shader instance variable values can
Page 143 and 144: } return 2 * (vector noise(p)) - 1;
Page 145 and 146: These functions compute power and i
Page 147 and 148: The actual change in a variable is
Page 149 and 150: Return a unit vector in the directi
Page 151 and 152: Return surface normal given a point
Page 153 and 154: diffuse returns the diffuse compone
Page 155 and 156: prevent aliasing. If one set of tex
Page 157 and 158: 15.7.3 Shadow depth maps Shadow dep
Page 159 and 160: These functions access the value of
Page 161 and 162: The standard data names supported b
Page 163 and 164: } Oi = sum; Ci = Cs * Oi * (Ka + Kd
Page 165 and 166: path of the ray. The input Ci and O
Page 167 and 168: A.2.3 Metal surface surface metal(
Page 169 and 170: distantlight( float intensity = 1;
Page 171 and 172: A.6 Imager Shaders A.6.1 Background
Page 173 and 174: variable definitions ; variables va
Page 175 and 176: triple sixteentuple arrayindex: [ e
Page 177 and 178: Logical expressions have the value
Page 179 and 180: typedef RtPointer RtContextHandle;
Page 181: RiOptionV(RtToken name, RtInt n, Rt
Page 185 and 186: #define RIE_NOTATTRIBS ((RtInt)26)
Page 187 and 188: Comments Any occurrence of the ’#
Page 189 and 190: In the following sections the synta
Page 191 and 192: C.2.2 Error handling There are two
Page 193 and 194: adhandle badparamlist badripcode ba
Page 195 and 196: v e r s i o n 212 # version 003 007
Page 197 and 198: Using RIB File structuring conventi
Page 199 and 200: Attribute Format PixelFilter Shadin
Page 201 and 202: ##Include filename This entry allow
Page 203 and 204: D.2.1 RIB Entity File example ##Ren
Page 205 and 206: Motion Blur Programmable Shading Di
Page 207 and 208: } E.4 Gaussian Filter RtFloat RiGau
Page 209 and 210: Appendix G RENDERMAN INTERFACE QUIC
Page 211 and 212: Function RiOpacity (color) RiOption
Page 213 and 214: Geometric Primitives (continued) Fu
Page 215 and 216: Function abs(x) Math Functions Desc
Page 217 and 218: Function area(P) calculatenormal(P)
Page 219 and 220: Texture Mapping Functions Function
Page 221 and 222: RiInterior 47 RiLightSource 42 RiMa
Page 223 and 224: and uniform variables on an RiNuPat
Page 225 and 226: Statement About Pixar’s Copyright
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The RenderMan Interface - Paul Bourke

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