I’ve talked a bit about my peculiar reworking of the geomantic planetary affinities based around my study of Sefer Yetzirah and the alignment of some of my personal gnosis with the Lurianic currents of Kabbalism (main post here, a correction here). While there are logical reasons for these sorts of changes, they also just better articulate the spiritual structures within which my spiritual work unfolds. When I revisited old charts taken to study spirits, they became much more intelligible once I read them in light of these assignments.
I have seen more than one person praise geomancy for its clarity, for its utility in answering questions clearly and directly. No doubt, this is one of the system’s virtues, especially when you transpose the reading onto an astrological frame. The passing of signs and their affiliations with each other provides reams of information about opportunities and obstacles.
That said, that clarity rests partly upon a fixed pattern of meanings and associations which contain a fair number of presuppositions about what is good and bad, strong and weak. Some cross-cultural comparison can be useful here, because the values of the signs shift somewhat between cultures.