The model to be read into the program has to be an XML file which fulfils the requirements of the XMLSchema definition [HPnG.xsd](https://github.com/jannikhuels/libhpng/blob/master/xmlschema/HPnG.xsd).
The model to be read into the program has to be an XML file which fulfils the requirements of the XMLSchema definition [HPnG.xsd](https://zivgitlab.uni-muenster.de/ag-sks/tools/hypeg/-/blob/master/xmlschema/HPnG.xsd).
Additional to this schema, you can find a rough overview here. (A general knowledge of hybrid petri nets is required.)
The root XML element has to be <HPnG>. Within this root there can and should be the 3 kinds of model objects <places>, <transitions> and <arcs>.
