✨ Add trimesh dependency and update STLInfo structures to include stl_path

Author: ZenanH

CondaPkg.toml

@@ -4,4 +4,7 @@ channels = ["conda-forge", "anaconda"]
 python = ">=3.12,<3.13"
 numpy = ">=2.2"
 shapely = ">=2.1"
-open3d = ">=0.19"
+open3d = ">=0.19"
+trimesh = ">=4.6"
+rtree = ">=1.4"
+scipy = ">=1.15"

src/FastPointQuery.jl

@@ -5,13 +5,18 @@ using CondaPkg, PythonCall
 const np      = PythonCall.pynew()
 const shapely = PythonCall.pynew()
 const o3d     = PythonCall.pynew()
+const trimesh = PythonCall.pynew()
+
+const py2ju = PythonCall.pyconvert
+const pyfun = PythonCall.pybuiltins
 
 function __init__()
     @info "initializing environment..."
     try # import Python modules
         PythonCall.pycopy!(np     , PythonCall.pyimport("numpy"  ))
         PythonCall.pycopy!(shapely, PythonCall.pyimport("shapely"))
         PythonCall.pycopy!(o3d    , PythonCall.pyimport("open3d" ))
+        PythonCall.pycopy!(trimesh, PythonCall.pyimport("trimesh"))
     catch e
         @error "Failed to initialize Python ENV" exception=e
     end
@@ -23,6 +28,7 @@ struct STLInfo2D
     vmax        ::Vector
     py_vertices ::Py
     py_triangles::Py
+    stl_path    ::String
 end
 
 struct STLInfo3D
@@ -31,6 +37,7 @@ struct STLInfo3D
     vmax        ::Vector
     py_vertices ::Py
     py_triangles::Py
+    stl_path    ::String
 end
 
 struct QueryPolygon

src/utils.jl

@@ -27,7 +27,7 @@ function readSTL2D(stl_file)
     aabb = mesh.get_axis_aligned_bounding_box()
     vmin = pyconvert(Vector, aabb.get_min_bound())
     vmax = pyconvert(Vector, aabb.get_max_bound())
-    return STLInfo2D(mesh, vmin, vmax, vertices, triangles) 
+    return STLInfo2D(mesh, vmin, vmax, vertices, triangles, stl_file) 
 end
 
 """
@@ -51,5 +51,5 @@ function readSTL3D(stl_file)
     aabb = mesh.get_axis_aligned_bounding_box()
     vmin = pyconvert(Vector, aabb.get_min_bound())
     vmax = pyconvert(Vector, aabb.get_max_bound())
-    return STLInfo3D(mesh, vmin, vmax, vertices, triangles) 
+    return STLInfo3D(mesh, vmin, vmax, vertices, triangles, stl_file) 
 end

test/runtests.jl

@@ -4,4 +4,5 @@ using Test
 
 @test !PythonCall.pyisnull(FastPointQuery.np     )
 @test !PythonCall.pyisnull(FastPointQuery.shapely)
-@test !PythonCall.pyisnull(FastPointQuery.o3d    )
+@test !PythonCall.pyisnull(FastPointQuery.o3d    )
+@test !PythonCall.pyisnull(FastPointQuery.trimesh)