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library(potentiomap)
data("synthetic_wells")
data("synthetic_transect")
p <- ps_make_points(synthetic_wells, "x", "y", "gw_elevation",
"well_id", "EPSG:26916")
head <- ps_interpolate(p, methods = "IDW", grid_res = 300)$IDW
land <- head * 0 + 185
line <- terra::vect(synthetic_transect, geom = "wkt", crs = "EPSG:26916")## surface_type finite_cells negative_cells near_zero_cells minimum_depth
## 1 potentiometric 169 0 0 14.16812
## maximum_depth label
## 1 20.47199 depth to the potentiometric surface## line_id sample_id sample_index chainage x y
## X line_0001 line_0001_sample_0001 1 0.000 500000.0 4640400
## X1 line_0001 line_0001_sample_0002 2 313.926 500264.1 4640570
## X2 line_0001 line_0001_sample_0003 3 627.852 500528.1 4640740
## X3 line_0001 line_0001_sample_0004 4 941.778 500792.2 4640909
## X4 line_0001 line_0001_sample_0005 5 1255.704 501056.3 4641079
## X5 line_0001 line_0001_sample_0006 6 1569.630 501320.3 4641249
## spacing head land
## X NA 169.4180 185
## X1 313.926 169.5389 185
## X2 313.926 169.6194 185
## X3 313.926 169.6007 185
## X4 313.926 169.6114 185
## X5 313.926 169.5145 185section <- ps_cross_section(line, head, land, step = 300,
vertical_exaggeration = 3)
section$summary## profile_samples retained_wells omitted_wells maximum_chainage
## 1 13 0 0 3452.903
## vertical_exaggeration
## 1 3A confined potentiometric surface is not relabeled a water table. The cross-section does not invent hydrostratigraphy or represent a 3-D flow model.
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