mantao/Plots.jl
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

add warning - enhance example

Browse Source
This commit is contained in:
t-bltg 2021-07-05 11:48:48 +02:00
parent 81170b4342
commit f5e6ae9f98
2 changed files with 45 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/backends/gr.jl
View File

@ -524,7 +524,7 @@ function gr_draw_colorbar(cbar::GRColorbar, sp::Subplot, clims, viewport_plotare
levels = _cbar_unique(contour_levels.(series, Ref(clims)), "levels")
# GR implicitly uses the maximal z value as the highest level
if levels[end] < clims[2]
@warn("GR: highest contour level less than maximal z value is not supported.")
@warn "GR: highest contour level less than maximal z value is not supported."
# replace levels, rather than assign to levels[end], to ensure type
# promotion in case levels is an integer array
levels = [levels[1:end-1]; clims[2]]
@ -1832,7 +1832,7 @@ function gr_draw_contour(series, x, y, z, clims)
h = gr_contour_levels(series, clims)
if series[:fillrange] !== nothing
if series[:fillcolor] != series[:linecolor] && !is_lc_black
@warn("GR: filled contour only supported with black contour lines")
@warn "GR: filled contour only supported with black contour lines"
end
GR.contourf(x, y, h, z, series[:contour_labels] == true ? 1 : 0)
else
@ -1863,6 +1863,7 @@ function gr_draw_surface(series, x, y, z, clims)
GR.setfillcolorind(0)
GR.surface(x, y, z, get(e_kwargs, :display_option, GR.OPTION_FILLED_MESH))
elseif st === :mesh3d
@warn "GR: mesh3d is experimental (no face colors)"
conn = series[:connections]
if typeof(conn) <: Tuple{Array, Array, Array}
ci, cj, ck = conn
@ -1872,25 +1873,25 @@ function gr_draw_surface(series, x, y, z, clims)
else
throw(ArgumentError("Argument connections has to be a tuple of three arrays."))
end
xx = zeros(eltype(x), 4length(ci))
yy = zeros(eltype(y), 4length(cj))
zz = zeros(eltype(z), 4length(ck))
X = zeros(eltype(x), 4length(ci))
Y = zeros(eltype(y), 4length(cj))
Z = zeros(eltype(z), 4length(ck))
@inbounds for I ∈ 1:length(ci)
i = ci[I] + 1 # connections are 0-based
j = cj[I] + 1
k = ck[I] + 1
m = 4(I - 1) + 1; n = m + 1; o = m + 2; p = m + 3
xx[m] = xx[p] = x[i]
yy[m] = yy[p] = y[i]
zz[m] = zz[p] = z[i]
xx[n] = x[j]
yy[n] = y[j]
zz[n] = z[j]
xx[o] = x[k]
yy[o] = y[k]
zz[o] = z[k]
X[m] = X[p] = x[i]
Y[m] = Y[p] = y[i]
Z[m] = Z[p] = z[i]
X[n] = x[j]
Y[n] = y[j]
Z[n] = z[j]
X[o] = x[k]
Y[o] = y[k]
Z[o] = z[k]
end
GR.polyline3d(xx, yy, zz)
GR.polyline3d(X, Y, Z)
else
throw(ArgumentError("Not handled !"))
end

6
src/examples.jl
View File

@ -1021,7 +1021,11 @@ const _examples = PlotExample[
k=[2, 3, 1, 3]
# the four triangles gives above give a tetrahedron
mesh3d(x,y,z;connections=(i,j,k))
mesh3d(
x, y, z; connections=(i, j, k),
title="triangles", xlabel="x", ylabel="y", zlabel="z",
legend=:none, margin=2Plots.mm
)
end
),
],