crest-cassia/oacis — pull request #199 by takeshi-uchitane (2014-05-22 03:23:06+00:00)
Title: implement log scale plot

fixed #115

### Specification
- Enable to set log scale to x axis and/or y axis (line plot and scatter plot)

### Note
- In scatter plot, the scale of result values is still "linear" but the scale of the result values will be enable to adjust in #154