Blender2.5x-2.6完全教程 1.4.7
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第 1.4.7 节 系统 (system)
User Preferences用户自定义窗口里的System系统标签页，，列出了声音、图形、及驱动等与运行Blender相关的设置。以下为System系统标签页的可自定义选项：
| 左侧 | |||
| General | 通用项 | ||
| DPI | 显示字体大小（Dots Per Inch 每英寸点数） | 72 (48~128) | Font size and resolution for display |
| Frame Server Port | 帧服务器渲染端口 | 8080 (0~32727) | Frameserver Port for Frameserver Rendering |
| Console Scrollback | 终端缓冲区存储的可回滚查看的行数 | 128 (32~32768) | Maximum number of lines to store for the console buffer |
| Author （文本框） | 作者信息（当输出文件的格式支持此功能时有效） | Name that will be used in exported files when format supports such feature | |
| Auto Run Python Scripts | 允许自动运行.blend文件里的Python程序脚本（对于来源不明不被信任的blend文件有可能不安全） | √ | Allow any .blend file to run scripts automatically (unsafe with blend files from an untrusted source) |
| Tabs as Spaces | 在新的或载入的文本文件中自动把所有的制表符转换为空格符 | √ | Automatically converts all new tabs into spaces for new and loaded text files |
| Sound | 声音 | （按钮） | |
| None | 空设备（没有音频输出） | Null device - there will be no audio output | |
| SDL | 简单直达多媒体应用层（建议在序列中使用） | SDL device - simple direct media layer, recommended for sequencer usage | |
| OpenAL | 开源音效库，支持3D音效（Open Audio Library 建议在游戏引擎中使用） | √ | OpenAL device - supports 3D audio, recommended for game engine usage |
| Jack | 杰克开源专业音效（Professional audio 建议专业音效用户使用） | Jack device - Open source pro audio, recommended for pro audio users | |
| Channels | 设置音频通道数 | （菜单） | Sets the audio channels count |
| 7.1 Surround | 7.1 环绕声 | Audio Channels | |
| 5.1 Surround | 5.1 环绕声 | Audio Channels | |
| 4 Channels | 4通道 | Audio Channels | |
| Stereo | 立体声 | √ | Audio Channels |
| Mono | 单声道 | Audio Channels | |
| Mixing Buffer | 设置音频混合缓冲区采样大小 | （菜单） | Sets the number of samples used by the audio mixing buffer |
| 32768 | Audio Mixing Buffer | ||
| 16384 | Audio Mixing Buffer | ||
| 8192 | Audio Mixing Buffer | ||
| 4096 | Audio Mixing Buffer | ||
| 2048 | √ | Audio Mixing Buffer | |
| 1024 | Audio Mixing Buffer | ||
| 512 | Audio Mixing Buffer | ||
| 256 | Audio Mixing Buffer | ||
| Sample Rate | 设置音频采样率（千赫） | （菜单） | Sets the audio sample rate |
| 192 kHz | Audio Sample Rate | ||
| 96 kHz | Audio Sample Rate | ||
| 48 kHz | Audio Sample Rate | ||
| 44.1 kHz | √ | Audio Sample Rate | |
| Sample Format | 设置音频样本格式 | （菜单） | Sets the audio sample format |
| 64-bit Float | 64位浮点 | Audio Sample Format | |
| 32-bit Float | 32位浮点 | √ | Audio Sample Format |
| 32-bit Signed | 32位带符号 | Audio Sample Format | |
| 24-bit Signed | 24位带符号 | Audio Sample Format | |
| 16-bit Signed | 16位带符号 | Audio Sample Format | |
| 8-bit Unsigned | 8位无符号 | Audio Sample Format | |
| Screencast | 截屏 | ||
| FPS | 截屏回放的帧率（frames per second 帧/秒） | 10 (10~50) | Frame rate for the screencast to be played back |
| Wait Timer (ms) | 录制截屏时每帧间隔等候时间（毫秒） | 50 (50~1000) | Time in milliseconds between each frame recorded for screencast |
| 中间 | |||
| OpenGL | 开源图形库（Open Graphics Library） | ||
| Clip Alpha | 在3D纹理视图中低于设定值的剪切阿尔法 | 0.000 (0~1) | Clip alpha below this threshold in the 3D textured view |
| Mipmaps | 在3D视图中缩放纹理（multum in parvo maps
多重图像纹理映射，更美观但占用更多内存且重新载入图像更缓慢） |
√ | Scale textures for the 3D view (looks nicer but use more memory and slows image reloading) |
| VBOs | 在视口渲染中使用顶点缓冲对像（如果不支持则使用顶点数组阵列） | Use Vertex Buffer Objects (or Vertex arrays, if unsupported) for viewport rendering | |
| Window Draw Method | 窗口管理器采用的窗口绘制方法 | （菜单） | Drawing method used by window manager |
| Automatic | 自动 | √ | Window Draw Method |
| Triple Buffer | 三重缓冲 | Window Draw Method | |
| Overlap | 重叠 | Window Draw Method | |
| Overlap Flip | 重叠翻转 | Window Draw Method | |
| Full | 完全 | Window Draw Method | |
| Text Draw Options | 文本绘制选项 | ||
| Text Anti-aliasing | 绘制用户介面时启用文本抗混叠 | √ | Draw user interface text anti-aliasing |
| Textures | 纹理 | ||
| Limit Size | 限制纹理尺寸以节省显存 | （菜单） | Limit the texture size to save graphics memory |
| 128 | GL Textuer Limit 图形库纹理限制 | ||
| 256 | GL Textuer Limit 图形库纹理限制 | ||
| 512 | GL Textuer Limit 图形库纹理限制 | ||
| 1024 | GL Textuer Limit 图形库纹理限制 | ||
| 2048 | GL Textuer Limit 图形库纹理限制 | ||
| 4096 | GL Textuer Limit 图形库纹理限制 | ||
| 8192 | GL Textuer Limit 图形库纹理限制 | ||
| Off | 关闭（不限） | √ | GL Textuer Limit 图形库纹理限制 |
| Time Out | 上次访问GL纹理至被释放的所需时间（秒，设为0则一直保留纹理调配） | 120 (0~3600) | Time since last access of a GL texture in seconds after which it is freed. (Set to 0 to keep texture allocated) |
| Collection Rate | GL纹理碎片收集器运行间隔时间（秒） | 60 (1~3600) | Number of seconds between each run of the GL texture garbage collector |
| Sequencer | 序列发生器 | ||
| Prefetch Frames | 回放时预先渲染的的帧数 | 0 (0~500) | Number of frames to render ahead during playback |
| Memory Cache Limit | 序列发生器内存缓存限制（兆字节） | 128 (0~1024) | Memory cache limit in sequencer (megabytes) |
| 右侧 | |||
| Solid OpenGL lights | 实体OpenGL灯光 | ||
| （灯炮按钮）左前方主光源 | 实体绘制模式中启用本OpenGL灯光 | √ | Enable this OpenGL light in solid draw mode |
| Colors | 颜色 | ||
| Diffuse | 漫反射（过渡色） | （白） | E7E7E7 |
| Specular | 镜面反射（高光色） | （浅灰） | BCBCBC |
| Direction | 方向 | ||
| X | -0.892 | ||
| Y | 0.300 | ||
| Z | 0.900 | ||
| （灯炮按钮）右侧方辅助光源 | 实体绘制模式中启用本OpenGL灯光 | √ | Enable this OpenGL light in solid draw mode |
| Colors | 颜色 | ||
| Diffuse | 漫反射（过渡色） | （浅灰偏蓝） | BBBCCB |
| Specular | 镜面反射（高光色） | （灰） | 7C7C7C |
| Direction | 方向 | ||
| X | 0.588 | ||
| Y | 0.460 | ||
| Z | 0.248 | ||
| （灯炮按钮）背部轮廓光 | 实体绘制模式中启用本OpenGL灯光 | √ | Enable this OpenGL light in solid draw mode |
| Colors | 颜色 | ||
| Diffuse | 漫反射（过渡色） | （淡灰偏蓝） | E7ECFF |
| Specular | 镜面反射（高光色） | （暗红） | 490000 |
| Direction | 方向 | ||
| X | 0.216 | ||
| Y | -0.392 | ||
| Z | -0.216 | ||
| Color Picker Type | |||
| Custorm Wetght Paint Range | |||
