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Voxel Data

Voxel Data texture

Voxel data renders a voxel source, working very similarly to an image texture, but in 3d. Various input data source types are available (such as smoke voxel data, or external files), as well as various interpolation methods.

The voxels are stored in a flat z/y/x grid of floats. Functions for sampling this based on location within the (0,1) bounds are available in:

  • source/blender/blenlib/intern/voxel.c

The default voxel data source, Smoke, is used for rendering Blender's internal smoke simulations. Other sources include binary raw formats, and Image Sequence, which can be used to stack a sequence of images into a 3D representation, which is a common format for medical volume data such as CT scans.

Settings

File Format
Blender Voxel
Default binary voxel file format.
8 bit RAW
8 bit grayscale binary data.
Image Sequence
Generate voxels from a sequence of image slices.
Smoke
Render voxels from a Blender smoke simulation.
Source Path
The external source data file to use for 8 bit Raw data and Blender Voxel formats
Domain Object (Smoke)
Object used as the smoke simulation domain
Source
Smoke
Use smoke density and color as texture data.
Flame
Use flame temperature as texture data.
Heat
Use smoke heat as texture data. Values from -2.0 to 2.0 are used.
Velocity
Use smoke velocity as texture data.
Resolution
Resolution of the voxel grid when using 8 bit Raw data.
Interpolation
Nearest Neighbor
No interpolation, fast but blocky and low quality.
Linear
Good smoothness and speed.
Quadratic
Mid-range quality and speed.
Cubic Catmull-Rom
Smoothed high quality interpolation, but slower.


Extension
Extend
Extend by repeating edge pixels of the image.
Clip
Clip to image size and set exterior pixels as transparent.
Repeat
Cause the image to repeat horizontally and vertically.
Intensity
Multiplier for intensity values



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User Manual

World and Ambient Effects

World

Introduction
World Background

Ambient Effects

Mist
Stars (2.69)


Game Engine

Introduction

Introduction to the Game Engine
Game Logic Screen Layout

Logic

Logic Properties and States
The Logic Editor

Sensors

Introduction to Sensors
Sensor Editing
Common Options
-Actuator Sensor
-Always Sensor
-Collision Sensor
-Delay Sensor
-Joystick Sensor
-Keyboard Sensor
-Message Sensor
-Mouse Sensor
-Near Sensor
-Property Sensor
-Radar Sensor
-Random Sensor
-Ray Sensor
-Touch Sensor

Controllers

Introduction
Controller Editing
-AND Controller
-OR Controller
-NAND Controller
-NOR Controller
-XOR Controller
-XNOR Controller
-Expression Controller
-Python Controller

Actuators

Introduction
Actuator Editing
Common Options
-2D Filters Actuator
-Action Actuator
-Camera Actuator
-Constraint Actuator
-Edit Object Actuator
-Game Actuator
-Message Actuator
-Motion Actuator
-Parent Actuator
-Property Actuator
-Random Actuator
-Scene Actuator
-Sound Actuator
-State Actuator
-Steering Actuator
-Visibility Actuator

Game Properties

Introduction
Property Editing

Game States

Introduction

Camera

Introduction
Camera Editing
Stereo Camera
Dome Camera

World

Introduction

Physics

Introduction
Material Physics
No Collision Object
Static Object
Dynamic Object
Rigid Body Object
Soft Body Object
Vehicle Controller
Sensor Object
Occluder Object

Path Finding

Navigation Mesh Modifier

Game Performance

Introduction
System
Display
Framerate and Profile
Level of Detail

Python API

Introduction
Bullet physics
VideoTexture

Deploying

Standalone Player
Licensing of Blender Game

Android Support

Android Game development