add convience constructors with pre-specified sample size of 128

Author: sjkelly

src/marching_cubes.jl

@@ -521,3 +521,7 @@ end
 function (::Type{MT})(f::Function, h::HyperRectangle, size::NTuple{3,Int}, method::MarchingCubes)::MT where {MT <: AbstractMesh}
      marching_cubes(f, h, size, method.iso, MT, method.eps)
 end
+
+function (::Type{MT})(f::Function, h::HyperRectangle, method::MarchingCubes; size::NTuple{3,Int}=(128,128,128))::MT where {MT <: AbstractMesh}
+     marching_cubes(f, h, size, method.iso, MT, method.eps)
+end

src/surface_nets.jl

@@ -419,3 +419,7 @@ function (::Type{MT})(f::Function, bounds::HyperRectangle, size::NTuple{3,Int},
                             orig)
     MT(vts, fcs)::MT
 end
+
+function (::Type{MT})(f::Function, bounds::HyperRectangle, method::NaiveSurfaceNets;size::NTuple{3,Int}=(128,128,128)) where {MT <: AbstractMesh}
+    MT(f,bounds,size,method)
+end

test/runtests.jl

@@ -24,6 +24,14 @@ using LinearAlgebra: dot, norm
             sqrt(sum(dot(v,v))) - 1 # sphere
         end
 
+        # test convience constructors
+        HomogenousMesh(HyperRectangle(Vec(-1,-1,-1.),Vec(2,2,2.)), NaiveSurfaceNets()) do v
+            sqrt(sum(dot(v,v))) - 1 # sphere
+        end
+        HomogenousMesh(HyperRectangle(Vec(-1,-1,-1.),Vec(2,2,2.)), NaiveSurfaceNets(), size=(5,5,5)) do v
+            sqrt(sum(dot(v,v))) - 1 # sphere
+        end
+
         sphere = HomogenousMesh(sdf_sphere, NaiveSurfaceNets())
         torus = HomogenousMesh(sdf_torus, NaiveSurfaceNets())
         @test length(vertices(sphere)) == 1832
@@ -87,6 +95,14 @@ using LinearAlgebra: dot, norm
             sqrt(sum(dot(v,v))) - 1 # sphere
         end
 
+        # convience constructors
+        SimpleMesh(HyperRectangle(Vec(-1,-1,-1.),Vec(2,2,2.)), MarchingCubes()) do v
+            sqrt(sum(dot(v,v))) - 1 # sphere
+        end
+        SimpleMesh(HyperRectangle(Vec(-1,-1,-1.),Vec(2,2,2.)), MarchingCubes(), size=(5,6,7)) do v
+            sqrt(sum(dot(v,v))) - 1 # sphere
+        end
+
         m = marching_cubes(sdf,0)
         m2 = marching_cubes(sdf)
         @test length(vertices(m)) == 10968