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Transcript of Photo Studio Optimizer - CATIA/CATIA Infrastructure/PS · PDF filePhoto Studio Optimizer...

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    Photo Studio Optimizer

    CATIA V5 TrainingFoils

    Version 5 Release 19September 2008

    EDU_CAT_EN_PSO_FF_V5R19

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    Photo Studio OptimizerObjectives of the courseUpon completion of this course you will be able to use the various Photo Studio Optimizer tools to enhance the quality of your photo realistic images.

    Targeted audienceIndustrial Stylists and Designers

    PrerequisitesCATIA V5 Fundamentals, Photo Studio

    0.5 day

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    Table of Contents (1/2)

    Introduction to Photo Studio Optimizer 5Accessing the Photo Studio Workbench 6User settings: Photo Studio 73D Textures 8

    Bump Mapping 12What is Bump Mapping? 13Defining the Bump Mapping Parameters 14

    Global Illumination 16What is Global Illumination? 17Setting the Light Parameters for Global Illumination 18Setting the Shooting Parameters 19

    Caustics 20What about Caustics? 21Setting the Light Parameters 22Setting the Caustic Parameters 23

    Visual Effects 24What about Visual Effects ? 25Setting the Depth of Field 26

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    Table of Contents (2/2)

    Defining the Glow Parameters 27Cartoon Rendering 28

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    Introduction to Photo Studio OptimizerIn this lesson you will see V5 Photo Studio Optimizer user interface

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    Accessing the Photo Studio Workbench

    You can access the Photo Studio Workbench by clicking on Start > Infrastructure > Photo Studio

    Photo Studio Optimizer is a set of advanced capabilities which are added to the original capabilities of the Photo Studio workbench.

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    Using Photo Studio settings, the rendering computation can be automatically distributed on remote workstations through a network. The rendering time is drastically reduced, particularly for huge mock-ups.

    User Settings: Photo Studio

    Declare the workstations (satellites) here (installation and customization on satellites is required)

    The local host will allocate and distribute all the necessary data to the participating satellites, which, in turn, will process the rendering then return the final result back to the local host.

    Click on Tools > Options > Infrastructure > Photo Studio > Satellites

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    Up to 8 CPU can be used simultaneously. All platforms are available.

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    3D TexturesIn this lesson you will learn how to use 3D textures on components.

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    What is a 3D Texture?

    What is a 3D texture? When using a 2D texture, a picture file is projected on the object using a specific projection method.Using a 3D texture is as sculpting the object directly in the material. The texture is very realistic and gives the illusion of relief. It can be customized through its own parameters (examples : complexity, amplitude, turbulence,)

    Which 3D textures can I use? CATIA Photo Studio Optimizer provides 5 different types of 3D textures: Marble Vein Alternate vein Rock Chessboard

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    Click on the Texture tab

    Applying a 3D Texture

    Select the 3D texture from the list

    Select the material properties

    In real time in the 3D viewer, the corresponding texture image is mapped onto the geometry to give a rough visualization of the effect.

    The final result is only seen in the rendered image.

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    Activate the ray traced preview to visualize the final result in the dialog box

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    Editing a 3D Texture

    Define the main color of the material

    Define the object surface perturbation

    Define the complexity of the motif of the texture

    Position and scale the texture

    Define the bump mapping

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    Bump MappingIn this lesson you will learn how to use bump mapping.

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    What is Bump Mapping?

    The bump mapping allows to simulate, using lighting effect, a perturbation of the surface of an object.

    This simulation modifies the aspect of the surface of the object. The perturbation is computed based on the contrast of the texture pixels.

    For example, bright colors are displayed above dark colors, creating a 3D effect on the object.

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    Access the material properties from the contextual menu

    Defining the Bump Mapping Parameters (1/2)

    Value of Bump parameter: 0: no bump effect >0: bright color above dark color

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    Defining the Bump Mapping Parameters (2/2)

    Computation result with activation of the bump mapping

    Computation result without activating the bump mapping

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    Global IlluminationIn this lesson you will learn how to create more realistic images using the global illumination.

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    What is Global Illumination?

    photons

    What is global illumination?Global illumination simulates indirect illumination of objects by reflection of light coming from diffuse surfaces.This functionality allows indirect lighting effects among which caustics and color bleeding.

    What are photons?Photons are energy particles emitted into the scene by a light source.Once emitted, these energy particles take different paths as they bounce from one object to another.A photon path can evolve in two ways:- photons are either absorbed by an object they hit (through reflection or transmission) and in that case the path ends- photons get lost in space without hitting another object and the path is infinite.Maximum number of reflections and refractions are defined by the user

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    Setting the Light Parameters for Global Illumination

    From the contextual menu of the light, click on Properties

    Select Indirect Illumination

    Activate photon emission

    Set the intensity factor (0 to 100). It corresponds to the light intensity of the photons. It will be combined with the intensity parameter of the Lighting tabIt is recommended to be close to 1

    Define the maximum number of photons to be used for the computation of the image (10.000 to 10.000.000).A low value can create puddles

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    Setting the Shooting Parameters

    Define the number of photons to be used to compute the global illumination intensity for each pixel (1 to 10.000).

    Define the area where photons have to be used to compute global illumination intensity for each pixel.Automatic computation is done if value is 0

    Double-click the shooting in the tree

    Select Indirect Illumination

    Activate Global illu