
This API is used to convert Graph Description Language (GDL) and simple text into images. Such as dot, asymptote, ditaa, markdown-mindmap, identicon etc.

| param | description |
|---|
| cht | plot engine |
| chl | plot text |
| chof | ouput format |
| cht | description | note |
|---|
| gv:[dot|neato|fdp|sfdp|twopi|circo] | graphviz | gv=gv:dot |
| gnuplot | gnuplot | |
| ditaa | ditaa | |
| markdown:[dot|neato|fdp|sfdp|twopi|circo] | markdown mindmap | markdown=markdown:dot |
| radar | radar chart | |
| msc | mscgen | |
| cover | book cover (racovimge) | |
| cover:ten | book cover (tenprintcover.py) | |
| qr | qrcode | |
| blockdiag | blockdiag | |
| asy | asymptote | |
| url2img | website screenshot | |
| avatar | identicon avatar | |