Ies Light Download 3ds Max
Video tutorial on 3DS MAX IES LIGHTS FREE DOWNLOAD & IMPORT IN 3DS MAX TUTORIALS to learn more about 3D Studio. 3D Studio is a software or computer program used in computer-aided design, better known by its acronym CAD (Computer Aided Design). By loading an.ies file, the light's properties are recreated within 3ds Max and used by V-Ray during rendering. IES lights are particularly useful for architectural interior renderings, where it can be important to show the actual result of using specific man-made light sources in the scene. Photometric web or ies lamp light effect free download collection, ies files free download for 3ds max,sketchup, blender, maya, cinema 4d or other support.
Aug 16, 2019 Use these ies lights and make your architecture & interior design look catchy! This pack includes 1600 unique IES files from German lighting manufacturer Erco. Topics in this section. Photometric Webs A photometric web is a 3D representation of the light intensity distribution of a light source. This directional light distribution information is stored in a photometric data file in the IES format using the IES LM-63-1991 standard file format, or in the LTLI or CIBSE formats for photometric data. Nov 08, 2016 IES Lighting with 3ds Max Light. You can create an IES light with 3ds Max’s photometric target or free light. The great thing about this light type is that you get more options for tuning than VRayIES light. Also you get a convenient distribution chart for your light.
This page describes the use of V-Ray photometric lights.
Page Contents
Overview
Photometric lights utilize an .ies file which contains the distribution profile for the light. An .ies file contains complete specifications of a real world light bulb or tube including the shape of the light's cone and the steepness of the light's falloff. Such files are usually provided by the manufacturer of the real-world bulb, and the information in those files, gathered through lab experiments, is extremely accurate in its representation of the light source. By loading an .ies file, the light's properties are recreated within 3ds Max and used by V-Ray during rendering.
IES lights are particularly useful for architectural interior renderings, where it can be important to show the actual result of using specific man-made light sources in the scene.
While 3ds Max has standard photometric lights, V-Ray photometric lights are optimized to render faster in V-Ray.
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Create menu > Lights > V-Ray > V-Ray IES Light >
click and drag in a viewport
Create panel > Lights > Choose V-Ray from dropdown > VRayIES >
click and drag in a viewport
V-Ray Toolbar > V-Ray IES Light button >
Click and drag in a viewport
Visualizing IES Profiles
The properties of an IES file can be visualized with Photometric Viewer software, which you can easily find online. Visually, the IES profile uses a graphed curve to show the shape and intensity of the light's emission. Depending on the software used, you might also be able to render a grayscale representation of how the light will look in a scene. Using a Photometric Viewer will help you better understand how the IES files you are using will affect your scene's lighting.
The graph below shows the IES profile of a typical bollard or post light, a type of light commonly used in architectural outdoor scenes. The rendered thumbnail is shown as an inset.
Parameters
enabled – Turns the VRayIES light on and off.
enable viewport shading – When enabled, the effect of the VRayIES light will be visible in the viewport.
show distribution – Shows the IES profile distribution as a mesh around the light source in the viewports.
targeted – Makes the VRayIES targeted.
ies file (button) – Specifies the .ies file that defines the light distribution.
rotation X/Y/Z – Rotates the light shape in relation to the target.
cutoff – Specifies a threshold for the light intensity, below which the light will not be computed. This can be useful in scenes with many lights, where you want to limit the effect of the lights to some distance around them. Larger values cut away more from the light; lower values make the light range larger. If you specify 0.0, the light will be calculated for all surfaces.
shadow bias –Moves the shadow toward or away from the shadow-casting object (or objects). If the Bias value is too low, shadows can 'leak' through places they shouldn't, produce moire patterns, or make out-of-place dark areas on meshes. If Bias is too high, shadows can 'detach' from an object. If the Bias value is too extreme in either direction, shadows might not be rendered at all.
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cast shadows – When enabled (the default), the light casts shadows. Turn this option off to disable shadow casting for the light.
affect diffuse – Determines whether the light is affecting the diffuse properties of the materials.
diffuse contribution – A multiplier for controlling the light's contribution to the diffuse illumination.
affect specular – Determines whether the light is affecting the specular part of the materials.
specular contribution – A multiplier for controlling the light's contribution to the specular reflection.
use light shape – Determines whether and how the shape of the light specified in the .ies light will be taken into consideration during the calculation of shadows and illumination.
No – The light shape will not be considered for illumination and the light is going to generate sharp shadows.
For shadows – The light shape will be considered only for the generation of soft shadows. The illumination will not be affected by the light shape (i.e. it will behave as a point light).
For illumination and shadows – The light shape will be considered for the calculation of the illumination and shadows.
override shape – When enabled, the light profile within the .ies file is ignored. The shape parameter defines the light shape for calculating shadow softness, otherwise IES lights will generate shadows as a point light, casting sharp shadows.
shape – Specifies a shape (and its orientation) for the IES light when override shape is enabled. Some shapes (shown below) enable additional options for size.
- vertical cylinder
- horizontal cylinder (length)
- horizontal cylinder (width)
- ellipse (length)
- ellipse (width)
- ellipsoid (length)
- ellipsoid (width)
height – Specifies the height for applicable light shape types.
width – Specifies the width for applicable light shape types.
length – Specifies the length for applicable light shape types.
diameter – Specifies the diameter for applicable light shape types.
shape subdivs – Most users will not need local control of subdivs, however this parameter controls the number of samples V-Ray takes to compute lighting locally for this light. Lower values create more noise, but render faster. Higher values produce smoother results but take more time to render.
To activate this parameter and specify a value, use the Use local subdivs parameter under the V-Ray tab > Global DMC rollout in the Render Setup window. Note that the actual number of samples also depends on the Global DMC Settings. By default, this parameter is controlled by the Min shading rate parameter in the Advanced/Expert user modes of the Image sampler (Antialiasing) rollout.
color mode – Specifies the mode in which the color of the light will be determined:
color – The light color is directly specified by the Color parameter.
temperature – The light color temperature (in Kelvin) is specified by the Temperature parameter.
color – Specifies the color of the light.
color temperature – Specifies the light color temperature in Kelvin.
intensity type – Specifies the units for light strength:
power (lm) – Sets the units of power in lumens.
intensity (cd) – Sets the units of intensity in candela
intensity value – Specifies the strength of the light.
area speculars – When disabled, the particular light will be rendered as a point light in the specular reflections
viewport wire color – Changes the wireframe color of the light in the viewport. This is useful to visually recognize groups of lights from one another.
icon text – Turns the viewport icon text on or off.
Exclude – Brings up the 3ds Max include/exclude button which allows the user to exclude objects from illumination and shadow casting.
Photometric lights use photometric (light energy) values that enable you to more accurately define lights as they would be in the real world. You can create lights with various distribution and color characteristics, or import specific photometric files available from lighting manufacturers.
When you create lights from the Create panel, photometric lights appear as the default.
3ds Max includes the following types of photometric light objects:
Distribution Capabilities of Photometric Lights
You can choose how a photometric light is distributed. This can model how the light is generated and how it is mounted. There are four options:
The drop-down list that lets you choose the distribution type appears on the General Parameters rollout for photometric lights. In viewports, Uniform distribution is represented by a small sphere (the position of the sphere indicates whether the distribution is Spherical or Hemispherical), Spotlight distribution is represented by a cone, and Web distribution is represented as the shape of the web.
Light Shapes for Shadow Generation
While your distribution choice affects how light is spread throughout the scene, the light shape affects the way objects cast shadows. This setting is an independent choice. In general, larger areas cast softer shadows. There are six options:
- Point
Objects cast shadows as if the light were emitted from a single geometric point, like a naked lightbulb.
- Line
Objects cast shadows as if the light were emitted from a line, like a fluorescent tube.
- Rectangle
Objects cast shadows as if the light were emitted from a rectangular area, like a skylight.
- Disc
Objects cast shadows as if the light were emitted from a disc, like a circular porthole.
- Sphere
Objects cast shadows as if the light were emitted from a sphere, like a globular lighting fixture.
- Cylinder
Objects cast shadows as if the light were emitted from a cylinder, like a tubular lighting fixture.
You choose the light shape on the Shape/Area Shadows rollout.
Lights from Older Scenes
Prior to 3ds Max 2009, there were several types of photometric light, based on the light shape for shadow calculation. There are now just the two types of photometric light, Target and Free, and you choose the shape for shadow casting independently of the light type.
When you open a scene created in an earlier version of 3ds Max, the scene’s photometric lights are converted to their equivalent in the new scheme. For example, a Target Linear Light with Isometric distribution becomes a Target Light with Line shadows and Uniform Spherical distribution. No information is lost, and the light behaves as it did in prior releases.
Parameters for Photometric Lights
The parameters specific to photometric lights are described in this section. Other photometric light parameters are shared with standard lights, and are described in the following topics:
Notes
- A scene's lighting can also be affected by the Ambient Light setting on the Environment panel.
- You can use the Place Highlight command to change a light's position.
- You can use templates to create lights that have the properties of common lamp types.
Ies Light Download 3ds Max 2019 Free
- Target Light (Photometric)
A target light has a target sub-object that you can use to aim the light. - Free Light (Photometric)
A free light has no target sub-object. You can aim it by using transforms.