Add zoom parameter (first used for plutovista/vtk)

Project.toml

@@ -1,7 +1,7 @@
 name = "GridVisualize"
 uuid = "5eed8a63-0fb0-45eb-886d-8d5a387d12b8"
 authors = ["Juergen Fuhrmann <[email protected]>"]
-version = "0.4.1"
+version = "0.4.2"
 
 [deps]
 ColorSchemes = "35d6a980-a343-548e-a6ea-1d62b119f2f4"

examples/plutovista.jl

@@ -216,7 +216,7 @@ scalarplot!(p3d,g3,f3;levels=[flevel],xplanes=[xplane],yplanes=[yplane],zplanes=
 X4=-1:0.1:1; g4=simplexgrid(X4,X4,X4)
 
 # ╔═╡ 57ed5eea-bc1c-45eb-b4d3-dc63088db21a
-scalarplot(g4,map( (x,y,z)-> 0.01*exp(-10*(x^2+y^2+z^2)),g4),levels=5)
+scalarplot(g4,map( (x,y,z)-> 0.01*exp(-10*(x^2+y^2+z^2)),g4),levels=10)
 
 # ╔═╡ 4b9113d2-10bd-4f7a-a2b8-22092656c6b3
 md"""

src/dispatch.jl

@@ -320,6 +320,7 @@ default_plot_kwargs()=OrderedDict{Symbol,Pair{Any,String}}(
     :xplanes => Pair([prevfloat(Inf)],"3D x plane positions or number thereof"),
     :yplanes => Pair([prevfloat(Inf)],"3D y plane positions or number thereof"),
     :zplanes => Pair([prevfloat(Inf)],"3D z plane positions or number thereof"),
+    :zoom => Pair(1.0,"Zoom level"),
     :azim => Pair(-60,"3D azimuth angle  (in degrees)"),
     :elev => Pair(30,"3D elevation angle  (in degrees)"),
     :perspectiveness => Pair(0.25,"3D perspective A number between 0 and 1, where 0 is orthographic, and 1 full perspective"),

src/plutovista.jl

@@ -204,7 +204,8 @@ function scalarplot!(ctx, TP::Type{PlutoVistaType}, ::Type{Val{2}}, grid,func)
                            levels=ctx[:levels],
                            colorbarticks=ctx[:colorbarticks],
                            limits=ctx[:limits],
-                           backend=ctx[:backend]
+                           backend=ctx[:backend],
+                           zoom=ctx[:zoom]
                            )
     reveal(ctx,TP)
 end
@@ -268,7 +269,8 @@ function scalarplot!(ctx, TP::Type{PlutoVistaType}, ::Type{Val{3}}, grid,func)
                            facemarkers=grid[BFaceRegions],
                            facecolormap=bcmap,
                            outlinealpha=ctx[:outlinealpha],
-                           levelalpha=ctx[:levelalpha]
+                           levelalpha=ctx[:levelalpha],
+                           zoom=ctx[:zoom]
                            )
     reveal(ctx,TP)
 end