/ic/ - Artwork/Critique

>>3715865
Yeah I'm doing this more on a theoretical level than anything. I don't understand what you are showing in the picture though, I mean, it looks like a 2PP construction, but I'm doing a 3PP, on 3PP the station point projecting to the image plane lies with the vertical VP, at least that's what MacEvoy says. So if I do a looking down view, station point is at vp1 (bottom vp) but if I try to do a looking up view, the projection of the station point would be above the cone of vision, so basically what you say I think, a flipped view? But if I want to construct a grid on the floor then how do I fold that? Then I reasoned to myself, maybe my vertical auxiliary horizon point becomes my ground line and then the station point would be there? Not sure if that makes sense.
Is more of a theoretical question than a practical one, on practice since I'm not really using real measures and use an arbitrary point in perspective space and abstract units I just rolled with it and picked a reference point in perspective, then worked from there everything else, pic related, but it's helping me understand how to translate proportion in perspective better or more accurately, which I had never done before.
>>3716266
Okay but that's like treating each pair of VPs as a 2PP problem but that's not how MacEvoy explains it, I want my station point as in my ground line? Like where my feet would be represented standing in the picture.

So pic related now is the problem I'm working on and asking about, maybe this is less misleading. So I picked an arbitrary point inside the perspective view and drew a grid from there to get a sense of the units I wanted to translate, then drew some elements respecting those proportions. But I'm still not sure where that line would end, my current thinking is that it would be at the auxiliary horizon point at the vertical bottom, but I'm not sure.

>>3716268
Looks like 2PP with a slope, not sure what I'm to understand about this. But thanks I guess.