API for generating sparklines as images.
Example:
https://sparklines.herokuapp.com/api/v1.png?values=1,4,5,3,2,5
Use the file extension of your desired file type in the URL (.png, .jpg, or .gif). The following query string parameters are available:
| parameter | default | unit | purpose |
|---|---|---|---|
values |
(required) comma-separated list of values to graph | ||
background_color |
FFFFFF |
hex | background color of the image |
dot_size |
4 |
pixels | width of the line |
height |
30 |
pixels | height of image |
line_color |
4A8FED |
hex | color of line |
step |
30 |
pixels | distance between steps |
Example:
https://sparklines.herokuapp.com/api/v1.png?values=1,4,5,3,2,5&height=150&line_color=F3F
Requires ImageMagick >= 6.4.9.
bundle
bundle exec shotgunThen open http://localhost:9393/api/v1.png?values=1,4,5,3,2,5.
