star-cad

commit aa56ff24cf73d0af653b4a72bc050a5706b81540
parent ff863c4029a9dc0b90e2af6de6826a5da29b0866
Author: Christophe Coustet <christophe.coustet@meso-star.com>
Date:   Thu, 12 Dec 2024 09:48:02 +0100

Add geometries visibility management

Geometries can be made visible/Hidden and meshing can be restricted to
visible geometries using the MeshOnlyVisible dedicated option.

Diffstat:
M
src/scad.h
 | 
20
+++++++++++++++-----
M
src/scad_geometry.c
 | 
32
++++++++++++++++++++++++++++++++

2 files changed, 47 insertions(+), 5 deletions(-)
diff --git a/src/scad.h b/src/scad.h
@@ -88,14 +88,15 @@ enum scad_log_refcounting {
 /* A type to specify options for the gmsh library */
 struct scad_options {
   struct {
-    enum scad_mesh_algorithm Algorithm;
-    enum scad_sizes_extend_from_boundary MeshSizeExtendFromBoundary;
     double MeshSizeFactor;
     double MeshSizeFromCurvature;
-    int MeshSizeFromPoints;
     double MeshSizeMax;
     double MeshSizeMin;
     double Smoothing;
+    int MeshSizeFromPoints;
+    int MeshOnlyVisible;
+    enum scad_mesh_algorithm Algorithm;
+    enum scad_sizes_extend_from_boundary MeshSizeExtendFromBoundary;
     enum scad_stl_solids StlOneSolidPerSurface;
   } Mesh;
   struct {
@@ -114,8 +115,10 @@ struct scad_options {
 };
 
 #define SCAD_DEFAULT_OPTIONS__ \
-  { { Scad_frontal_Delaunay, Scad_surfaces_and_volumes, 1, 36, 1, 1e+22, 1e-6, \
-      1, Scad_one_solid_per_physical_surface }, \
+  { { 1, 36, 1e+22, 1e-6, 1, 1, 1, \
+      Scad_frontal_Delaunay, \
+      Scad_surfaces_and_volumes, \
+      Scad_one_solid_per_physical_surface }, \
     { Scad_verbosity_errors, 1 }, \
     { 1 }, \
     { 0, 0, Scad_log_none, 0 } \
@@ -398,6 +401,13 @@ scad_geometry_copy
    const char* name, /* Can be NULL */
    struct scad_geometry** out_copy);
 
+/* copy the geometry `geom'. */
+SCAD_API res_T
+scad_geometry_set_visibility
+  (const struct scad_geometry* geom,
+   int visible,
+   int recursive);
+
 /* Change the name of geometry `geom'. */
 SCAD_API res_T
 scad_geometry_rename
diff --git a/src/scad_geometry.c b/src/scad_geometry.c
@@ -490,6 +490,38 @@ error:
 }
 
 res_T
+scad_geometry_set_visibility
+  (const struct scad_geometry* geom,
+   int visible,
+   int recursive)
+{
+  res_T res = RES_OK;
+  int ierr;
+  int* data = NULL;
+  size_t sz;
+
+  if(!geom) {
+    res = RES_BAD_ARG;
+    goto error;
+  }
+
+  ERR(check_device(FUNC_NAME));
+
+  data = geom->gmsh_dimTags;
+  sz = geom->gmsh_dimTags_n;
+
+  gmshModelSetVisibility(data, sz, visible, recursive, &ierr);
+  ERR(gmsh_err_to_res_T(ierr));
+
+  get_device()->need_synchro = 1;
+
+exit:
+  return res;
+error:
+  goto exit;
+}
+
+res_T
 scad_geometry_get_name
   (const struct scad_geometry* geom,
    const char** name)