Drawing a vineyard

As a way of rehersing how to draw the particular landscapes that is a vineyard, we have studied vineyards of our own choosing. I selected Quinta do Portal in the Douro Valley in Portugal. Here's the outcome so far. Many hours in CAD and photoshop!

Quinta do Portal plans

Ground surfaces, vines and contours

Quinta do Portal, plan of ground surfaces

Quinta do Portal, plan of vines

Quinta do Portal, plan of contours