While I understand the desire to use less vague terminology, to hallucinate usually implies that it is done involuntarily.
Based on your description of your abilities, have you considered that what you're describing is spatial thinking, rather than visual imagery? It is common for people with aphantasia to retain strong spatial cognition.
Based on your description of your abilities, have you considered that what you're describing is spatial thinking, rather than visual imagery? It is common for people with aphantasia to retain strong spatial cognition.
https://www.ncbi.nlm.nih.gov/pubmed/29175093
https://scholarscompass.vcu.edu/cgi/viewcontent.cgi?article=...