第08组 Alpha冲刺（6/6）
1 来源： https://www.cnblogs.com/cclong/p/11913269.html
alpha
第04组 Alpha冲刺（4/4）
x 来源： https://www.cnblogs.com/fdltbk/p/11913125.html
第04组 Alpha冲刺（6/6）
132 来源： https://www.cnblogs.com/tplove/p/11913046.html
第07组 Alpha冲刺（4/4）
占坑 来源： https://www.cnblogs.com/tinygod/p/11913019.html
第08组 Alpha冲刺（4/4）
组员 过去两天完成了哪些任务 文字/口头描述 接下来的计划 还剩下哪些任务 燃尽图 遇到了哪些困难 有哪些收获和疑问 来源： https://www.cnblogs.com/hbm-031702323/p/11912719.html
第07组 Alpha冲刺（6/6）
0 来源： https://www.cnblogs.com/menmamizigeda/p/11911701.html
第04组 Alpha冲刺（6/6）
第04组 Alpha冲刺（6/6） 来源： https://www.cnblogs.com/auspiciousjimmy/p/11909709.html
How to open PNG with CImg library without losing alpha channel?
问题 When I open png file: CImg<unsigned char> image("image.png"); ...I expect to get 4 channel (RGBA) image. But I always get 3 channel (RGB) image instead (even if the image is semitransparent): image.spectrum() returns 3 instead of 4. In my application, I always need to get 4 channels when I open PNG file. CImg looks like popular library with many useful features (some of which may be useful in the future in my image processing application), so I find it hard to believe that it is impossible to
Flatten the alpha channel in ggplot2
Some objects (functions) of ggplot2 support an alpha channel. http://docs.ggplot2.org/current/geom_point.html This is a nice feature, but transparent colours in pdf and png files are often source of diversified trouble. How can I use the alpha option and get flattened pdf output files? I had ongoing problems with a large Latex doc created with knitr + ggplot that was perfectly readable on my mac but was unopenable for Windows users. After numerous attempts at optimizing and flattening the pdf, I finally isolated the issue to a single alpha-heavy plot. In my case, switching from pdf to png
第05组 Alpha冲刺（4/4）
¿ 来源： https://www.cnblogs.com/juicy33/p/11909207.html