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Maxwell Render 2.5 User Manual

Chapter 18. Appendix V. Glossary | 162

powerful allowing you to produce many different lighting combinations from just one

render.

MXCL: Refers to the Maxwell render engine, which is command line controllable. Users

can connect to MXCL via one of the supported plug-ins or through Studio.

MXED: Stands for “Maxwell Material Editor”. It is a standalone material editor within

the Maxwell Render software, with powerful, layered, physical materials and a material

browser.

MXI: Stands for “Maxwell Image”. It is Maxwell Render’s high dynamic image format

which stores all the lighting calculations. This powerful image format allows for resume

render and Multilight adjustments.

MXI/HDR: (Maxwell Render parameter) This option allows us to light the scene with a

HDR or MXI map. In this box there is an option for selecting the type of lighting for the

channels that are disabled. With this option you can, for example, insert a background into

your image if you apply the map in background textured.

MXM: Stands for “Maxwell Material”. It is the Maxwell material format.

MXS: Stands for “Maxwell Scene”. It is the Maxwell Render scene format.

MXST: Stands for “Maxwell Studio”. It is an independent application within the core

components of Maxwell Render. MXST allows users to import objects in different formats,

create/ edit/ apply materials, and set up lights and textures. MXST can then send the

scene to MXCL to be rendered. MXST is not a modelling application.

Offset: An integer indicating the distance from the beginning of an object up until a given

element or point, presumably within the same object.

OpenGL: OpenGL stands for Open Graphics Library and is a standard specication

dening a cross-language, cross-platform API for writing applications that display 2D and

3D computer graphics. Graphics cards that take advantage of this library will speed up the

display of 3D objects in the viewport.

Physical sky: Simulates the physical sky in an image for any time of day, any day of

the year.

Polygon: A polygon is a closed plane which is bound by three or more line segments. A

triangle polygon has three sides; a “Quad” had four sides and an “N-gon” can have more

than four sides. Maxwell Render transforms all types of polygons into triangles when

rendering.

RGB: Stands for “red, green, blue”. Red, green and blue are the 3 colors that are used by

monitors to display images. They are called additive colors because the more of each RGB

color is added, the brighter the resultant color. 100% of RGB will produce white.

Scattering: Lens Scattering, more commonly known as bloom, is caused by the imperfect

focus of a lens, causing light scattering inside the lens before it reaches the lm. This

produces artifacts of fringes of light around very bright objects in an image, making is

seem as if the image of the bright light bleeds beyond its natural borders.

SDK: Short for Software Development Kit, used by developers to create their own Maxwell

Render plug-ins or applications.

Shutter: In photography, a shutter is a device that allows light to pass for a determined

period of time to expose photographic lm to the right amount of light to create an image.

The shutterspeed is usually denoted in hundreds of a second, for example 1/100, which

will keep the shutter open for one hundredth of a second.

Shutter angle: Film cameras use a rotating disc with an adjustable pie-shaped cut-out

in it, which controls how long each frame is exposed. The width of the cut-out is called

the shutter angle, and is expressed in degrees. The shutter angle controls the amount of

motion blur in animations. Fully open (180 degrees) will yield the maximum amount of

motion blur, while a very narrow setting (say, 15 degrees) will produce very subtle motion

blur. In the Maxwell camera settings, the shutter angle you set automatically translates

your usual ISO/ Shutter speed settings in combination with the shutter angle, so your

animation exposure will match your still image exposure, while producing the proper

amount of motion blur.

SimuLens: A collection of lens effects that mimic how a real optical device interacts with

light. These effects include lens scattering, vignetting and diffraction. These effects are a

post-process that can be applied to a render inside Maxwell Render.

Sky Dome: This is a virtual dome which encompasses your entire scene and can be used

for uniform lighting. You can choose the color of the sky dome.

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