A guide to all the 3D motion design terms you need.
As Cinema4D Basecamp begins to rear its head, we realized there are a ton of terms in our Essential Motion Design Dictionary, but even more for 3D motion design! Even as a professional, it can be extremely hard to retain all the terms. If you're new to 3D, it can be overwhelming to hear all this new jargon and have no idea what to do with it and what it means.
Wrapping your head around these terms will make your life easier when working and collaborating with others. If you're a seasoned vet, you may just need a refresher every now and again. We don't expect you to read every single thing, but if you do, you can officially call yourself a geek.
Absolute Coordinates — The location of a point by way of distance or angles from a fixed origin.
Aliasing — The jagged effect that occurs along the edges of objects in pictures.
Alpha — An alpha is a mask that defines the transparency of pixels. It allows for revealing foreground and background areas when two images overlap.
Ambient Occlusion — AO for short, is a shading and rendering technique used to determine exposure in a scene relative to ambient lighting.
Anisotropy — Anisotropy can be seen on metal surfaces, especially brushed metal. An anisotropic surface changes in appearance as it rotates its view.
Anti-aliasing — A method for preventing the jagged effect of aliasing. Using surrounding areas, it blends color values between pixels
Aperture — The opening size of a camera lens. The larger an aperture, the shorter depth of field becomes as well as a greater amount of light. The inverse is true as well.
Arbitrary Output Variable — AOVs for short, are secondary images produced by a render engine. Often times called multiple passes. Examples of secondary images include specular, z-depth, and motion vectors.
Area Light — A type of light that emits rays from a geometric area instead of a single point. These types of lights are useful for creating softer shadows.
Arnold — A 3rd-party render engine created by Solid Angle. Arnold is an unbiased (see unbiased, below), CPU render engine.
Ashikhmin- Shirley — A BRDF model created by Michael Ashikhmin and Peter Shirley in August 2000. It is super technical, and prides itself on being more physically accurate. You can read the abstract here.
Attenuation — As light travels through air, its strength diminishes. The further the rays travel, the dimmer the light. This is attenuation.
Axis, Axes — An Axis or multiple axes describe the origin and position of an object in space, referenced by two intersecting straight lines. XY, YZ, ZX.
B-Spline — A B-Spline is a free-form curve defined by two axes. This can be thought of as a simplified bezier curve.
Backface Culling — A process that eliminates polygons facing away from the active camera from being rendered. This can improve performance because less geometry needs to be rendered.
Beckmann — A specular highlight distribution model. Specifically micro-facet distribution.
Beeple — The man. The myth. The daily king.
Bend — As it sounds, any deviations away from a straight line or position. Most 3D applications offer a bend deformer of sorts.
Bevel — A bevel eliminates sharp edges from objects.
Bezier Curve — Named after Pierre Bezier, it is a technique for creating curves.
Biased (Rendering) — Biased rendering allows render engines to take shortcuts to increase production times while not compromising on looks.
Bitmap — A monochromatic raster image.
Blender — An open-source 3D software.
Boolean — A modeling technique takes overlapping objects to create a new object using subtraction, union or intersection.
Box Modeling — A modeling technique using primitive shapes to create the basic foundation shape of a final model.
Boundary Box — A simplified cubic representation of a polygonal mesh or geometry.
BRDF — Bidirectional Reflectance Distribution Function. Using four real world variables to define how light is reflected at an opaque surface. The four variables are radiance, irradiance, surface normal and incandescent light.
Bucket — A visual representation of the area that is currently being rendered by an engine.
Bump Map — An image that creates an illusion of three-dimensionality on a surface, such as protrusions and cavities by recalculating the normals of an object. This does not change the mesh itself, allowing for high levels of detail without high polygonal counts.
Cache — Any amount of memory being used to save calculations so that they don't have to be made again. This is particularly useful in simulations.
CAD — Computer-Aided Design. CAD software is often used for mechanical designs.
Camera Mapping — Taking a flat, 2D image and projecting it onto 3D geometry, adding approximations of real 3D shapes and volumes to the flat image.
Cap — The closed sides of an object. Such as the top and bottom of a cylinder.
Cartesian Space — Positions using a three-coordinate system; x, y and z; relating to a central origin.
Caustics — The specular reflection or refraction of a light creates patterns, as seen when light passes through a glass tumbler or wine glass.
Center of the World — The absolute center of a 3D scene. Also referred to as the Origin.
Chamfer — The creation of blunt edge shapes. See Bevel.
Child — An object that is influenced by another object (known as the "parent").
Chromatic Aberration — Also known as "color fringing", is an optical anomaly that occurs when a lens is unable to converge all wavelengths of color to the same focal plane.
Cinema4D — A 3D application created by Maxon.
Cloner Object — A cloner object inside of Cinema4D allows you to create multiple clones of objects that can be affected by various Effectors.
Color Depth — A number of bits used to reprsent color. The bits are divided into red, green and blue (as well as an option alpha channel). There are 8-bit, 16-bit, 24-bit and 32-bit color depths.
CPU Render Engine — A render engine that uses the power of a CPU or multiple CPUs to render a scene.
Cube (Box) — A primitive object. Your 3D application may call them cubes or boxes.
Cycles Render Engine — An open source render engine created by the Blender Foundation that utilizes both CPU and GPU capabilities. A port of this render engine has been created by Insysidum, called Cycles 4D.
Data Mapping — Using data to map drive attributes in a 3D program. These attributes can range from the position of objects to colors.
DCC — "Digital Content Creation". Tools like Cinema4D, Houdini, Maya, etc.
Decay — The decrease in light intensity with distance. The further away from a light source, the less intense its rays become. See Inversed Square.
Depth of Field — The total distance in which a point of focus appears sharp.
Diffuse — The essential color of an object that is shown under pure white light.
Direct Lighting — Light rays that have traveled in a straight line from a light source to a surface.
Disc — A circular primitive object.
Displacement Map — Use to to modify the actual mesh of an object (as opposed to a bump or normal map) to create high levels of detail such as wrinkles.
Dope Sheet — A summary of important information in a 3D application. Often times it shows keyframes, a curve editor, hierarchies and more.
Dynamics — Dynamics are simulations that calculate how an object should act in the real world. For example, how a sphere may bounce.
Edge — A straight line connecting two points on a polygon.
Edge Loop — A method used when modeling to create a loop of multiple polygons. The emission of light rays from an object or material.
Effector — Effectors can be used to offset positions, change colors, modify objects and more.
Emission — The emission of light rays from an object or material.
Environment Map — A map used to simulate reflection of the world without using any ray tracing.
EXR — A versatile 32-bit file format. This format is fantastic for compositing.
Extrude — To create a three-dimensional object from a two-dimensional shape or plane.
F-Curves — Cinema4D's graph editor.
Face — A shape made by a bounding points that makes a polygon.
Falloff — Fall off can also mean Decay. However, it can also be used as a representation of how intense an effect is at various positions. How quickly the intensity moves from 0 to 100 or any other values.
Field of View — The range of view from top to bottom, left to right. A larger FOV allows for more of a scene to be viewed. The inverse is also true.
Fill Light — One or more lights used to assist in lighting a scene. They are often less intense than the key light.
Fillet — The rounding of the edges on an object. See Bevel.
Floating Values — A value scale starting with 0 and ending with 1. This scale is extremely precise, for example 0.12575.
Fluid Solver — Fluid simulations using any number of software such as X- Particles, Real Flow, Houdini and others.
Focal Length — The distance between the lens and the backplate (if it were a real camera). Focal lengths are in mm, such as 50mm, 100mm, etc.
FPS (Frames Per Second) — Also called frame-rate, it is the speed at which a frame of animation or video is played back. Often 24, 30, or 60 FPS.
Fresnel — The observation that the amount of reflectance seen on a surface is dependent upon a viewers angle.
Gamma — A gamma value is the luminance value in a video or still image.
Geometry — The total points of an object. For example, a basic cube or box has eight points. Geometry can be composed of anything with one or more points.
GGX — A shading model for refraction through rough surfaces. If you want to geek out, here is its abstract.
Global Illumination — Without getting super technical, global illumination (or GI), is a calculation of how light bounces off surfaces and onto other surfaces. Without global illumination, the calculation only accounts for the surfaces directly hit by a light's rays.
Glow — A common motion graphics post-effect, this is meant to simulate the real-life phenomenon of light interacting with the lense of a camera producing glows or light flares over captured footage
Gouraud Shading — This is a shading model that applies to objects in your viewport. This mode averages the normals of individual faces of your objects so the surfaces seem smoother.
GPU Render Engine — Any renderer which leverages the computational power of a computer's graphics card as opposed to its CPU. GPU render engines tend to be synonymous with increased speeds. Octane, Redshift, and Cycles are just some of the many increasingly popular GPU render engines.
Gradient Ramp — Gradient ramps allow you to easily interpolate between different color and greyscale values using a small number of control knots. These interpolated values can then be used to drive shading parameters like reflection strength or roughness, or even animations.
Greebles — Refers to the technique of giving a model the impression of complexity by adding simple, usually random surface details. This term originated from VFX artists designing props for the original Star Wars trilogy.
Greyscale Gorilla — A popular Cinema4D training website offering free and paid tutorials as well as a suite of plugins for Cinema4D.
Hard Surface Modeling — Any kind of modeling of objects that are mechanical in nature, or otherwise characterized by precise and sharp beveled edges.
HDRI — High Dynamic Range Image. These images accurately store real- world light values which can then be used in 3D to more easily recreate realistic lighting conditions.
High Res — High Resolution, referring to the pixel dimensions of an image or footage (1920x1080 pixels being a standard 'high-definition' size for computer monitors or TVs) . By the time you finish reading this list, what was considered High Res at the start will already be old news.
Highlight — Often associated with reflection, highlights form on regions of the surface where the light reflects most strongly based on the viewing angle of the camera. Highlights often do a nice job of defining the form of an object.
Houdini — A DCC application created by SideFX. The application has won an Oscar for its use and abilities in the VFX and Film Industries. Despite its roots in those industries, it is becoming popular in the motion design industry for its node based, procedural and simulation work. Agencies like ManVsMachine and Aixsponza have helped with the popularity of Houdini in mograph.
HPB — Rotational axis for Heading, Pitch and Bank.
Index of Refraction — IOR for short. This is a real-world property of metallic and dielectric materials that governs the way they reflect and bend light.
Indirect Lighting — Light rays that have bounced off of a surface, scattered, reflected or focused before reaching another surface.
Interactive Preview Region — A render window you can overlay atop your viewport so that it re- renders anything within its bounds. This is useful when doing anything that requires a lot of iteration as it can be faster to see the updates this way than doing a Picture Viewer render
Inverse Square — Inverse square law describes how the intensity of light weakens over distance. This is super important in setting up realistic lighting in a 3D program
Key Light — A term from photography, the key-light is the term for a light, typically illuminating the front of your subject defining its form and dimension. You will often find it helpful to start lighting your scene with the key, and then placing additional lights anywhere else you'd like to fill in detail.
L-System — A kind of procedural system for generating complex spline structures, like trees or neural networks. L-systems use a simple kind of code-language to describe how the spline propagates with each iteration.
Level-of-Detail (LOD) — Represented as a percentage (100% being full detail) this setting can simplify your 3D scene for faster previewing and navigation by reducing dense geometry.
Linear — Refers to the color space of the viewport and render. Linear results in colors and lights that respond more naturally and is therefore the preferred process for working in a 3D program, before color correction is applied in a compositing program.
Low Res — Low Resolution, probably 4K by now... Typically, anything below 1280x720 pixels is considered Low Resolution, and is typically best suited for quick preview renders
Low-Poly Modeling — Typically refers to a popular kind of aesthetic in 3D which embraces the faceted look created by the constituate polygons of 3D models rather than trying to hide them
Luminance — A channel of Cinema4D's native material system. Any texture (bitmap or procedural) applied in the luminance channel will generally be unaffected by lights or shadows in the scene, giving it the appearance of being light-emitting.
LUT — Look-Up Table. These files contain information that transforms the colors of an image to match a set profile. These are normally used in post to color-grade 3D renders, but some render engines allow you to view the render with the LUT applied right in the Picture Viewer.
Material — A set of properties (governing aspects such as the color of your object to how transparent it is) that define how your model will render in your scene
Maya — An Autodesk 3D DCC, Maya is known for its robust character rigging tools.
MIP-Mapping — This is a type of image-filtering that is applied to textures to minimize the moire effect that can arise when a pattern is tiled many times and viewed at a low angle. This filter is applied by default when you load an image into a C4D material.
Mograph Tools — The collection of effectors and generators within the Mograph Module of Cinema4D. These tools allow for the procedural animation of hundreds or thousands of objects in a variety of ways
Multipass — Allows you to output specific components of the final render. For example, you could have a pass that contains only the reflectance data in your scene or a pass of just the normals. These can be used in the compositing stage to modify the look of your render with a great level of control. Also see AOV.
N-Gon — A polygon composed of more than 4 points. These serve well to cap complex holes in polygons but do not tend to react predictably under subdivision, hence their nasty rep among 3D modelers.
Nodes — Nodes generally accept one or more inputs, perform some kind of operation on that information, and then output the modified data. These are the foundation of programs like Houdini and Nuke, as well as node-based shaders. The visual representation of how the data is processed in a node network makes them a great option for rigs or any other kind of procedural operation and iterative design.
Noise — Mathematically-generated pseudo-random patterns. The procedural nature of this noise means that it can be made to contain very fine levels of detail and are unconstrained by texture resolution.While this is often used in texturing for natural looking patterns, it can also be used to drive mograph animation.
Noises (Perlin, Alligator, Sparse Convolution) — Variations and improvements of the original Perlin noise, these introduce further controls to refine the final look and appearance of the produced pattern.
Non-planar — Refers to a polygon whose 4 (or more) points do not lie on a single 2D plane. These are basically harmless but can cause undesired shading artifacts in your viewport.
Normal Map — A 2D texture that can be used to describe the pixel-level orientation of a surface. This is a useful way of enhancing the detail of an object without the cost of millions of polygons.
Normals — These define the direction that a polygon is 'facing'. Can be very important for proper shading
NURBS — Non-Uniform Rational B-Spline (I'm confused with you). What you need to know is that anything attached to this term (which is used less nowadays) is generally referring to a geometric surface, specifically one generated in some way from a Spline input. Examples include: Lofts, Lathes, and Sweeps.
Octane — Very popular unbiased GPU renderer developed by Otoy with plugins for most 3D packages.
Open VDB — Open VDB is a versatile format for storing sparse voxel grid data. These have been used in a wide variety of cases for fluid simulations, particle effects, and even complex meshing. The technology is open-source and developed by Dreamworks Studios.
Orbit — A navigation in the 3D viewport where the camera revolves about a fixed point in your scene.
Oren-Nayer — A shading model for realistic diffuse surfaces. Simulates a very fine rough surface.
Organic Modeling — Often sculpted models of subjects of a biological nature. Think flowing, smooth surfaces, like an ear for example.
Orthographic — A type of view you can use to navigate your 3D scene. This view removes any distortion that might be caused by a perspective view (where objects further away appear smaller) and is therefore useful in certain modeling situations.
Parametric — Parameter-based. This refers to objects whose appearance is dependent on any number of variable parameters. For example, imagine a Cylinder being affected by a Bend deformer. Altering the strength of the bend deformer actively changes the appearance of the cylinder. Therefore, the Bend deformer (and its influence on the cylinder) are considered parametric.
Parent — Usually an object or null which acts as the origin point for all transformations of the child objects. Often materials, tags or other properties on of the Parent can be inherited by the child (ya know, like how you have the milkman's eyes).
Particles — In 3D, particles are often simply points of data containing information like position, velocity, orientation, etc. Because they lack geometry, millions of particles can be manipulated in a scene with relative ease.
Perspective — This view-type is closer to how humans perceive objects in real life, where objects further away appear smaller. This is the default view- type in a Cinema4D viewport.
Phong — A shading model intended to approximate smooth surfaces that would otherwise appear faceted due to the low amount of polygons.
Photorealism or Photometric Rendering — Rendering with the strict intention of using data taken from real light sources and to produce photorealistic renders. This is most popular in architecture and industrial design.
Physically Based Rendering (PBR) — This is an idea that promotes the use of real-world physical values in the creation of materials to govern their appearance. Think of it as the difference between using a generic Fresnel shader as opposed to an IOR value.
Physical Render — Physical Render is a native Cinema4D rendering solution for achieving realistic photographic effects such as Depth of Field, Motion Blur, and more. Conveniently, it works with the same lighting and materials settings as Standard Renderer.
Pitch — This refers to a rotation that occurs about an object's local X-Axis.
Pivot Point — All 3D objects have an axis center. This acts as the point about which all Position, Scale and Rotation transforms occur. These can be thought of as anchor points.
Pixel — The most fundamental part of a 2D image. A pixel typically contains one color value, which when arranged in a grid with other pixels create an image. Not to be reductive or anything, but literally all we do is tell pixels which color to be, trippy huh?
Planar — Often used to describe polygons whose points all lie within one plane.
Plane — A Cinema4D geometry primitive, this is a flat rectangle with paramteric width and height subdivisions.
Point Cloud — Imagine a 3D torus. Now delete all the edges and polygons that make it up. What you're left with are the unconnected vertices that make up that shape. 3D scan data is often collected raw as point cloud data, and then processed to determine how those points connect to form the surface of the object.
Point Light — A 3D light whose rays originate from a single infinitely small point in space and travel outward in all directions. These are technically unrealistic as no light source is infinitely small, but can be useful for lighting a 3D scene.
Polygon — The two-dimensional surface defined by 3 or more non-overlapping points. Polygons are the building blocks (err.. planes rather) of 3D models.
Primitive — Primitives refer to the set of base parametric objects you can create as starting points for modeling or to use as models themselves.These often feature controls for resolution in the form of segments, and controls to set the size and proportions.
Procedural — Rule-based. This umbrella term can refer to animation, shading, or a number of other aspects of a 3D program. Think of it like this, what if instead of manually keyframing an object to move up 50 cm, we said "as this effector moves over this cube, move up 50 cm"? By itself these two animations might look identical, but if we apply this one rule to 300 objects, we've now saved ourselves about 600 keyframes. That is just one specific example, proceduralism is a much much broader idea and is the foundation of node-based tools such as Houdini.
ProRender — AMD-developed GPU renderer recently included with Cinema4D R19. While still early in development, ProRender is one of relatively few GPU renderers not dependent on NVIDIA's proprietary CUDA technology.
Quads — Four-point polygons. These are considered ideal when modeling objects as they subdivide very neatly and predictably, and lend themselves well to forming good edge loops.
Quaternion — An rotation interpolation method that will always look for the shortest possible path to the final state. Helps to avoid Gimbal Lock.
Radiosity — A Global Illumination used to determine the light contribution as light rays bounce off of diffuse surfaces.
Range Mapping — A method of conforming a set of values from one range to another (example: converting 0.50 in a range of 0-1 to 9 in a range of 6-12). This becomes very important when trying to connect the animation of two disparate values, like rotation with and translation, for example.
Ray Trace — A rendering technique use to calculate reflections, refractions and shadows.
Redshift — A biased production-focused GPU render engine. It offers artists a high-degree of control over rendering to allow for a lot of optimization.
Reflectance — A channel in Cinema4D's material system. Reflectance was introduced in R16 as a way to bring C4D materials somewhat closer to a PBR workflow where both diffuse and specular reflections are more realistically considered.
Refraction — The bending of light as it passes thru different mediums (ie air to water). As the ray's speed changes during its travel, its direction changes.
Refraction Index — The measurement of the amount of refraction for a given medium. Also see IOR.
Relative Coordinates — Locations in space defined by their distance away from a given point.
Render — The creation of a photorealistic or non-photorealistic 2D image from a 3D scene, taking into account shaders, materials, lighting.
Render Pass — A separate portion of a final render that isolates certain attributes of an image. See AOV and Multipass.
Resolution — The pixel dimensions in height and width that define the size of 2D image.
Rigging — The process of creating controls for a 3D model so that it can be animated/deformed.
Rigid Body Dynamics — A physics simulation that calculates collisions on geometry that does not deform.
Roll — Rotation around the front to back axis of an object.
Roughness — A material property that defines how much irregularity the surface has. Rougher surfaces appear duller.
RTFM — Read the F@(&ing Manual. You may get this response when asking a question on Slack or in a forum. As a good rule of thumb, it is often best to read the manual to see if you can find a solution. Plus, you'd be surprised what else you may learn.
Samples — The number of rays that a render engine uses to create an image. Lower samples can result in more noise, grain & jagginess.
Scalar — Scalar refers to a value that is defined by one number. Often, scalar values will describe the strength of something, like an effector. Scalar values exist in contrast to vector values, which are defined by three numbers (like position, or color)
Scatter — To distribute objects or clones over surface geometry. Many DCCs or render engines provide a method for scatting. Done with Cinema 4D's Cloner in object mode, with Octane's Scatter object, or with X-Particles emitter set to Object shape.
Seams — The lines where UV geometry is joined together.
Shader — Mathematically based texture generators that can procedurally alter a surface's appearance.
Simulation — A reproduction of real-world behaviors through mathematical algorithms & equations. In 3D these are commonly used to model characteristics of hair, cloth, liquid and fire.
Specular — The amount of reflectivity a smooth surface has. Specular highlights are the bright spots of reflected light seen on shiny surfaces.
Sphere — A perfectly round geometrical object in 3D space. The 3D equivalent of a 2D circle.
Spline — A line that connects a series of vertices in 3D space. Because it has no depth, it has no renderable geometry.
Spot Light — A type of light that emits from a single point outward in a single direction, typically characterized by a cone shape. Just like a spot light for a stage production.
sRGB — A standardized Red Green Blue color space used widely to describe a wide range of the color spectrum.
Standard Render — The default native render engine inside Cinema4D and is a fast, stable CPU based biased renderer.
Stereoscopic 3D — Two images rendered together from slightly different perspectives(mimicking our left and right eyes) that give the illusion of depth when viewed.
Substance Softwares — A suite of texturing applications developed by Allegorithmic allowingusers to paint directly on 3d models (Substance Painter) and procedurally create highly detailed & photoreal materials (Substance Designer).
Subsurface Scattering — The effect of light penetrating slightly transparent surfaces that is then scattered and exits at a different angle than where it entered. The effect is used to depict photorealistic renderings of skin and wax for example.
Taper — A deformation to an object that allows for an object to narrow or widen at one end.
Tesselation — Divides a mesh into smaller tiles. In Cinema4D this is a GPU-enabled feature that allows real-time displacement to be displayed in the viewport.
Texture — A 2d image (bitmap or procedural) used in mapping a 3D object & describes the surface's various properties including height, normals, specularity, and reflection
Texture Map — The application of a texture to 3D geometry by way of various projections.
Timeline — A linear representation of time for a scene that can also display key frames and audio wave forms.
Toon Shader — A non-photo-realistic shader that enables renderings that look like various styles of art.
Transmission — When light is reflected by a surface, any energy that is not reflected is transmitted. This remaining transmission energy can be refracted or absorbed and scattered.
Transparency — The ability of an object's material to allow light to pass through. Not to be confused with Opacity.
Triangulation — The process of triangulating or converting an object's selected polygons or n-gons in to triangles.
Triplanar — A texture mapping projection method using 3 planes that allows for removal of texture stretching and seams.
Tumble — To rotate an object around multiple axes.
Twist — The deformation of an object that allows for a curling around an object's Y axis.
Unbiased — Describes a render engine that takes no approximations or shortcuts in its calculation of a render, often at the cost of speed when compared to biased solutions.
Unity — A cross-platform game engine developed by Unity Technologies.
Unreal — A cross-platform game engine developed by Epic Games.
Unwrapping — The process of unwrapping 3D geometry into a flat 2D UV space for the purposes of texture mapping.
UV — A map that contains a flattened, unwrapped version of 3D geometry. UV map allows for 2D textures to be placed on corresponding parts of the mesh.
UVW — The coordinate system for textures. Much like what XYZ coordinates do for geometry in 3D space, UVW coordinates do for 2D & 3D textures with values ranging from 0 to 1
Vector — A scalar entity with both magnitude and direction.
Vertex — The point where two or more edges meet.
Vertex Map — A map that stores a level of influence from 0-100% for any given point. It can be used to limit or restrict deformations on geometry.
Viewport — One or more windows with which to view a 3D scene, including perspective and various orthogonal views (i.e. Top, Left, Front).
Volume — The space contained inside a 3D shape, with length, width & height. Can also refer to data stored in 3D grids in such file formats such as Open VDB to create effects such as smoke, fluids & clouds.
Volumetric Fog — An effect recreating various atmospheric densities and typically derived from types of noise.
Volumetric Light — Beams of visible light and shadows when casting light through an atmospheric environment.
Voronoi — A diagram of cells that can be used to fragment an object.
Voxel — Short for volumetric pixel. Much like a pixel represents a value on a 2D grid, voxels represent points in 3D space.
VRay — A 3rd party hybrid CPU + GPU render engine created by Chaos Group for a number of 3D applications.
Ward — A type reflectance model for specular highlights named after Gregory Ward. For materials, Ward is best suited for soft surface such as rubber or skin.
Weight Map — A map that stores values across the points of an object. In rigging, this map stores the percentage of influence of joints on geometry.
Weld — A modeling operation that connects two or more selected points and consolidates them into one.
Wet Map — A map that stores information left by particles after contact with surface geometry to simulate the look of wetness.
Wireframe — A representation of a 3D model where only lines and vertices are shown
World Coordinate System — A system that uses a group of numbers to indicate the position of points or geometry relative to the center of a scene (0,0,0).
X, Y, Z
X-Axis — The horizontal line in a coordinate system designating the left & right of the world or object. Often represented by red or a red handle.
XParticles — A 3rd party particle system and simulation plugin developed by Insydium Ltd.
Xpresso — Cinema 4D's visual expression system. Used to create complex, automated object interactions visual through use of connected nodes.
Y-Axis — The vertical line in a coordinate system designating up and down of the world or object. Visually color colored green.
Yaw — Rotation around the vertical axis of an object.
Z-Axis — The line in a coordinate system designating depth of the world or object. Visually color colored blue.
Z-Depth — A rendered 2D image pass containing the depth information of a shot, typically a 16-bit or higher greyscale image. Often used for calculating depth of field using 3rd party compositing plugins.
ZBrush — A digital sculpting tool developed by Pixologic.