The RenderMan Interface - Paul Bourke

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RtFloat xwidth, RtFloat ywidth); extern RtFloat RiCatmullRomFilter(RtFloat x, RtFloat y, RtFloat xwidth, RtFloat ywidth); extern RtFloat RiSincFilter(RtFloat x, RtFloat y, RtFloat xwidth, RtFloat ywidth); extern RtVoid RiErrorIgnore(RtInt code, RtInt severity, char *msg); extern RtVoid RiErrorPrint(RtInt code, RtInt severity, char *msg); extern RtVoid RiErrorAbort(RtInt code, RtInt severity, char *msg); extern RtVoid RiProcDelayedReadArchive(RtPointer data, RtFloat detail); extern RtVoid RiProcRunProgram(RtPointer data, RtFloat detail); extern RtVoid RiProcDynamicLoad(RtPointer data, RtFloat detail); extern RtContextHandle RiGetContext(void); extern RtVoid RiContext(RtContextHandle); extern RtToken RiDeclare(char *name, char *declaration); extern RtVoid RiBegin(RtToken name), RiEnd(void), RiFrameBegin(RtInt frame), RiFrameEnd(void), RiWorldBegin(void), RiWorldEnd(void); extern RtVoid RiFormat(RtInt xres, RtInt yres, RtFloat aspect), RiFrameAspectRatio(RtFloat aspect), RiScreenWindow(RtFloat left, RtFloat right, RtFloat bot, RtFloat top), RiCropWindow(RtFloat xmin, RtFloat xmax, RtFloat ymin, RtFloat ymax), RiProjection(RtToken name, ...), RiProjectionV(RtToken name, RtInt n,RtToken tokens[],RtPointer parms[]), RiClipping(RtFloat hither, RtFloat yon), RiClippingPlane(RtFloat x, RtFloat y, RtFloat z, RtFloat nx, RtFloat ny, RtFloat nz), RiShutter(RtFloat min, RtFloat max); extern RtVoid RiPixelVariance(RtFloat variation), RiPixelSamples(RtFloat xsamples, RtFloat ysamples), RiPixelFilter(RtFilterFunc filterfunc, RtFloat xwidth, RtFloat ywidth), RiExposure(RtFloat gain, RtFloat gamma), RiImager(RtToken name, ...), RiImagerV(RtToken name, RtInt n, RtToken tokens[], RtPointer parms[]), RiQuantize(RtToken type, RtInt one, RtInt min, RtInt max, RtFloat ampl), RiDisplay(char *name, RtToken type, RtToken mode, ...), RiDisplayV(char *name, RtToken type, RtToken mode, RtInt n, RtToken tokens[], RtPointer parms[]); extern RtVoid RiHider(RtToken type, ...), RiHiderV(RtToken type, RtInt n, RtToken tokens[], RtPointer parms[]), RiColorSamples(RtInt n, RtFloat nRGB[], RtFloat RGBn[]), RiRelativeDetail(RtFloat relativedetail), RiOption(RtToken name, ...), 169
RiOptionV(RtToken name, RtInt n, RtToken tokens[], RtPointer parms[]); extern RtVoid RiAttributeBegin(void), RiAttributeEnd(void), RiColor(RtColor color), RiOpacity(RtColor color), RiTextureCoordinates(RtFloat s1, RtFloat t1, RtFloat s2, RtFloat t2, RtFloat s3, RtFloat t3, RtFloat s4, RtFloat t4); extern RtLightHandle RiLightSource(RtToken name, ...), RiLightSourceV(RtToken name,RtInt n,RtToken tokens[],RtPointer parms[]), RiAreaLightSource(RtToken name, ...), RiAreaLightSourceV(RtToken name, RtInt n, RtToken tokens[], RtPointer parms[]); extern RtVoid RiIlluminate(RtLightHandle light, RtBoolean onoff), RiSurface(RtToken name, ...), RiSurfaceV(RtToken name, RtInt n, RtToken tokens[], RtPointer parms[]), RiAtmosphere(RtToken name, ...), RiAtmosphereV(RtToken name,RtInt n,RtToken tokens[],RtPointer parms[]), RiInterior(RtToken name, ...), RiInteriorV(RtToken name,RtInt n,RtToken tokens[],RtPointer parms[]), RiExterior(RtToken name, ...), RiExteriorV(RtToken name,RtInt n,RtToken tokens[],RtPointer parms[]), RiShadingRate(RtFloat size), RiShadingInterpolation(RtToken type), RiMatte(RtBoolean onoff); extern RtVoid RiBound(RtBound bound), RiDetail(RtBound bound), RiDetailRange(RtFloat minvis, RtFloat lowtran, RtFloat uptran, RtFloat maxvis), RiGeometricApproximation(RtToken type, RtFloat value), RiOrientation(RtToken orientation), RiReverseOrientation(void), RiSides(RtInt sides); extern RtVoid RiIdentity(void), RiTransform(RtMatrix transform), RiConcatTransform(RtMatrix transform), RiPerspective(RtFloat fov), RiTranslate(RtFloat dx, RtFloat dy, RtFloat dz), RiRotate(RtFloat angle, RtFloat dx, RtFloat dy, RtFloat dz), RiScale(RtFloat sx, RtFloat sy, RtFloat sz), RiSkew(RtFloat angle, RtFloat dx1, RtFloat dy1, RtFloat dz1, RtFloat dx2, RtFloat dy2, RtFloat dz2), RiDeformation(RtToken name, ...), RiDeformationV(RtToken name,RtInt n,RtToken tokens[],RtPointer parms[]), RiDisplacement(RtToken name, ...), RiDisplacementV(RtToken name,RtInt n,RtToken tokens[],RtPointer parms[]), RiCoordinateSystem(RtToken space), RiCoordSysTransform(RtToken space); 170
Page 1 and 2:
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 . . . . . . .
Page 7 and 8:
Section I DIFFERENCES BETWEEN VERSI
Page 9 and 10:
LIST OF TABLES 4.1 Camera Options .
Page 11 and 12:
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
Page 17 and 18:
Depth of Field The ability to simul
Page 19 and 20:
typedef RtPointer typedef RtPointer
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RiContext (ctx1); ... There is no R
Page 23 and 24:
Section 3 RELATIONSHIP TO THE RENDE
Page 25 and 26:
through the interface. Any place wh
Page 27 and 28:
RtContextHandle RiGetContext ( void
Page 29 and 30:
RiWorldBegin (); ... RiColor (...);
Page 31 and 32:
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
Page 37 and 38:
not support the special projection
Page 39 and 40:
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
Page 47 and 48:
The number of color components, n,
Page 49 and 50:
RiAttributeBegin () RiAttributeEnd
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RIB BINDING Color c0 c1... cn Color
Page 53 and 54:
An area light source is defined by
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The sequencenumber is the integer l
Page 57 and 58:
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
Page 63 and 64:
object foo2 will be drawn when the
Page 65 and 66:
the exterior is the region adjacent
Page 67 and 68:
RiIdentity ( ); SEE ALSO RiTransfor
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RiScale ( RtFloat sx, RtFloat sy, R
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4.3.2 Transformation stack Transfor
Page 73 and 74:
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
Page 103 and 104:
Procedural ”DynamicLoad” [ ”m
Page 105 and 106:
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
Page 127 and 128:
Coordinate System ”shader” ”c
Page 129 and 130: 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: typedef RtPointer RtContextHandle;
Page 183 and 184: RtInt n, RtToken tokens[], RtPointe
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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