From InCHlib 1.2 arbitrary images can be displayed instead of a heatmap with object features. To do that alternative_data and images_as_alternative_data options must be set to true, which causes that the alternative data values are considered as image names. The alternative data don't have to contain a whole path to each image (if they are in the same directory). To set the image directory and extension option images_path can be used, e.g., images_path: {"dir": "/path/to/images/", "ext": ".svg"}.

Detailed description of this example is given in Use cases - Fragment analysis.