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知乎专栏多维度架构

部分 XVI. 图形工具(Graphics)

目录

140. Gnuplot
140.1. 安装 Gnuplot
140.1.1. CentOS 环境
140.1.2. Ubuntu 环境
140.1.3. 测试 Gnuplot 是否可用
140.2. terminal
140.3. output
140.4. title/xlabel/ylabel
140.5. xrange/yrange
140.5.1. 时间轴范围
140.5.2. 日期轴范围
140.6. xdata
140.6.1. Date/Time
140.7. plot
140.7.1. using
140.8. PHPlot
140.9. FAQ
140.9.1. Could not find/open font when opening font "arial", using internal non-scalable font
140.9.2. 变量传递
141. Graphviz - Graph Visualization Software
141.1. Installation
141.1.1. Apt-get
141.1.2. Yum
141.2. The DOT Language
141.2.1. dot
141.2.2. twopi
141.2.3. gprof
141.3. Node, Edge and Graph Attributes
141.3.1. Color Names
141.3.2. Node Shapes
141.3.3. 箭头
141.4. Example
141.4.1. E-R
141.4.2. Network
141.4.3. workflow
142. RRDTool
142.1. install
142.2. rrdtool demo example
142.3. title
142.4. start / end
142.5. height / width
142.6. upper-limit / lower-limit
142.7. vertical-label
142.8. Data Source
142.9. Round Robin Archives
142.10. AREA, LINE and STACK
142.10.1. LINE
142.10.2. AREA
142.10.3. STACK
142.10.4. GPRINT
142.11. Example
142.11.1. Memory
142.11.2. example 1
142.11.3. example 1
143. OpenBR
144. OCR - Optical Character Recognition
144.1. Tesseract
144.2. cuneiform - multi-language OCR system
145. Open-Source tool in Java to draw UML Diagram
146. Asymptote: The Vector Graphics Language
146.1. UML
147. MetaPost
148. OpenStreetMap
148.1. OpenLayers
148.2. Leaflet
149. Baidu Map
149.1. BMap.Circle