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Default - Render Property

The default render property is the simplest and easiest Appearance render property. It lets you set a single color of an Appearance or add a single texture to a model.

The default render property is the default rendering method used for each Appearance in a DriveWorks 3D Document. This render property can be changed at any point to take advantage of other rendering features.

Setting up an Appearance to use the Default render property

  1. In a DriveWorks 3D Document, navigate to and select an Appearance.
  2. In the Information Panel select the Render Properties drop down.
  3. Select Default from the drop down list.
  4. Select the Alpha Mode required for images applied to the PBR Advanced render property.

    Alpha Mode allows images with transparency to display any objects or scenes behind them.

    See Alpha Mode below for more information.

Alpha Mode

Alpha Mode allows images with transparency to display any objects or scenes behind them.

For Render Properties, other than Glass, the Alpha Mode can be set to:

  • Default

    Will display any alpha in the image as fully visible.

  • Cutout

    Will display any alpha in the image as fully visible or fully transparent, depending on the Cutout Threshold.

    • Cutout Threshold

      Set a value between 0 and 255 for the threshold to use to determine the pixels that will be displayed.

Using images with transparency, with the Cutout Alpha Mode, can enhance the DriveWorks 3D model by reducing the need for complex geometry.

For example, the image below:

Can be applied, as an appearance, to a Model.

The gray and white chequered background represents the alpha channel used in the image.

The Alpha Mode settings applied are shown in the table below:

DefaultCutout

Render Property Settings

The settings available on the Default render property are grouped into the following categories:

Diffuse Color settings

Sets the color to use for the diffuse color of the Appearance.

Will apply a hexadecimal value to the Diffuse Color in the Parameter Panel.

  • Red

    Modifies the amount of red in the Diffuse Color. Enter a number from 0 to 255.

  • Green

    Modifies the amount of green in the Diffuse Color. Enter a number from 0 to 255.

  • Blue

    Modifies the amount of blue in the Diffuse Color. Enter a number from 0 to 255.

  • Alpha

    Controls the alpha channel or transparency of the Diffuse Color. Enter a number from 0 to 255.

    If the geometry wih the Diffuse Color applied is to have Shadow Casting or Edge Sketch applied, the appearance is required to be fully opaque.

    The alpha applied needs to be exactly 255. Anything less than this value is considered not fully opaque.

  • Ambient Intensity

    Controls the ambient intensity of the Appearance as a whole. Enter a number.

  • Diffuse Intensity

    Controls the intensity of the Diffuse Color/Texture. Enter a number.

Specular Color settings

Image showing the Specular Color user interface in a 3D Document

Sets the color to use for the specular.

Will apply a hexadecimal value to the Specular Color in the Parameter Panel.

  • Red

    Modifies the amount of red in the Specular Color. Enter a number from 0 to 255.

  • Green

    Modifies the amount of green in the Specular Color. Enter a number from 0 to 255.

  • Blue

    Modifies the amount of blue in the Specular Color. Enter a number from 0 to 255.

  • Intensity

    Controls the intensity of the specular highlight on an Appearance. Enter a number.

  • Reflectivity

    Controls the amount of reflectivity of an Appearance. Enter a number from 0 and above.

Texture Offset settings

Image showing the Texture Offset user interface in a 3D Document

  • Offset X

    Offset an applied texture in the X Axis. Allows you to position textures accurately on surfaces. Enter a number.

  • Offset Y

    Offset an applied texture in the Y Axis. Allows you to position textures accurately on surfaces. Enter a number.

Texture Transforms settings

Image showing the Texture Transforms user interface in a 3D Document

  • Scale X

    Modifies the scale of a texture to suit the size of the model.

    Enter a number from 0 and above.

    See Scaling Textures below for information on how scaling affects the applied texture image.

  • Scale Y

    Modifies the scale of a texture to suit the size of the model.

    Enter a number from 0 and above.

    See Scaling Textures below for information on how scaling affects the applied texture image.

  • Angle

    Change the rotation of a texture on a model. Enter a number from 0 to 360.

Scaling Textures

The scale of a texture is applied differently when World Position Textures is enabled.

  • When World Position Textures is Disabled:

    A scale of 0.5 will stretch or shrink half of a texture repetition over the corresponding axis of the geometry it is applied to.

    A scale of 1 will stretch or shrink one full texture repetition over the corresponding axis of the geometry it is applied to.

    A scale of 2 will stretch or shrink two full texture repetition over the corresponding axis of the geometry it is applied to.

    For example:

    Geometry Scale in the X and Y axis = 0.5 (meters)

    Texture Transform Scale X and Y axis = 1

    Will result in one full texture repetition over the 0.5 meter of the X and Y axis.

  • When World Position Textures is Enabled:

    A scale of 0.5 will apply half of a texture repetition over a 1 meter length in the corresponding axis.

    A scale of 1 will apply one full texture repetition over a 1 meter length in the corresponding axis.

    A scale of 2 will apply two full texture repetition over a 1 meter length in the corresponding axis.

    For example:

    Geometry Scale in the X and Y axis = 0.5 (meters)

    Texture Transform Scale X and Y axis = 1

    Will result in half a full texture repetition over the 0.5 meter of the X and Y axis.

World Position Textures

World Position textures allow seamless texturing over multiple models.

To understand how a World Position Texture is scaled see Texture Transforms settings above.

World Position Textures DisabledWorld Position Textures Enabled
The same textured appearance applied to multiple geometries does not flow seamlessly when one of the geometries differs in size.Enabling World Position Textures allows the same texture to flow into geometries with a different size without the need for complex calculations to scale the texture.

The following parameters can be selected:

Checking each checkbox will add that world position axis value at each pixel's location, to the corresponding texture coordinate value.

This has the effect of making the texture flow along that axis in world space.

  • Enabled

    Checking this will enable World Position Textures.

    A rule can also be built for this from the parameter panel by selecting the Enabled (with the address WorldPositionEnabled) property.

  • Horizontal
    • X

      Checked by default

      Check to add the horizontal X axis to the corresponding texture coordinate value.

    • Y

      Unchecked by default

      Check to add the horizontal Y axis to the corresponding texture coordinate value.

    • Z

      Checked by default

      Check to add the horizontal Z axis to the corresponding texture coordinate value.

  • Vertical
    • X

      Unchecked by default

      Check to add the vertical X axis to the corresponding texture coordinate value.

    • Y

      Checked by default

      Check to add the vertical Y axis to the corresponding texture coordinate value.

    • Z

      Unchecked by default

      Check to add the vertical Z axis to the corresponding texture coordinate value.

Diffuse Texture

Image showing the Diffuse Texture user interface in a 3D Document

  • Texture

    Select a diffuse texture from the list of available textures in the Document. Alternatively you can browse for a texture or build a rule to the path of a new texture.

Using the Default render property

The Default render property can be used in a couple of ways. It can be used to define a color and the specular light of an Appearance or you can define a texture can be provided and the specular light of an Appearance.

The result will be a surface of either a specified color or texture.

Diffuse Color and Specular Color

Simple colors can be applied to the surface of a model. This is the fastest and most performant way to make a model a certain color. You can also use the Diffuse Color to create transparent materials such as glass.

Specular Color is the color of the reflected light off the surface of the model. For example, tinted glass will have a Specular Color similar to the color of the glass itself.

GoldGlass

Diffuse Texture and Specular Color

A Diffuse Texture can be applied on the Default render property. This texture will be applied to the areas of the model that use this Appearance.

The Diffuse Texture can be scaled, positioned and rotated using the properties provided. This allows you to scale the texture to fit the model.

Textures allow you to make a model more realistic and add more realism to your 3D scene. This can improve models and make them more life like.

When a Diffuse Texture is applied, it takes the place of Diffuse Color. Diffuse Color will no longer effect the Appearance.
CarpetTiles

Other Render Properties

DriveWorks has other render properties available to use on an Appearance.

These add different levels of realism to an Appearance.

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