[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [56106] trunk/blender: display options to help with 3d printing.

Campbell Barton ideasman42 at gmail.com
Wed Apr 17 11:27:27 CEST 2013


Revision: 56106
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=56106
Author:   campbellbarton
Date:     2013-04-17 09:27:23 +0000 (Wed, 17 Apr 2013)
Log Message:
-----------
display options to help with 3d printing.

editmesh debug info,
- overhang (with axis angle options)
- wall thickness (with min/max distance)
- self-intersections.

access below 'Mesh Display' panel.

Modified Paths:
--------------
    trunk/blender/release/scripts/startup/bl_ui/space_view3d.py
    trunk/blender/source/blender/blenkernel/BKE_editmesh.h
    trunk/blender/source/blender/blenkernel/intern/DerivedMesh.c
    trunk/blender/source/blender/blenkernel/intern/editderivedmesh.c
    trunk/blender/source/blender/blenkernel/intern/editmesh.c
    trunk/blender/source/blender/blenkernel/intern/scene.c
    trunk/blender/source/blender/blenloader/intern/readfile.c
    trunk/blender/source/blender/editors/include/ED_mesh.h
    trunk/blender/source/blender/makesdna/DNA_mesh_types.h
    trunk/blender/source/blender/makesdna/DNA_scene_types.h
    trunk/blender/source/blender/makesrna/intern/rna_mesh.c
    trunk/blender/source/blender/makesrna/intern/rna_scene.c

Modified: trunk/blender/release/scripts/startup/bl_ui/space_view3d.py
===================================================================
--- trunk/blender/release/scripts/startup/bl_ui/space_view3d.py	2013-04-17 07:47:00 UTC (rev 56105)
+++ trunk/blender/release/scripts/startup/bl_ui/space_view3d.py	2013-04-17 09:27:23 UTC (rev 56106)
@@ -2607,6 +2607,44 @@
             layout.prop(mesh, "show_extra_indices")
 
 
+class VIEW3D_PT_view3d_meshstatvis(Panel):
+    bl_space_type = 'VIEW_3D'
+    bl_region_type = 'UI'
+    bl_label = "Mesh Debug"
+
+    @classmethod
+    def poll(cls, context):
+        # The active object check is needed because of local-mode
+        return (context.active_object and (context.mode == 'EDIT_MESH'))
+
+    def draw_header(self, context):
+        mesh = context.active_object.data
+
+        self.layout.prop(mesh, "show_statvis", text="")
+
+    def draw(self, context):
+        layout = self.layout
+
+        mesh = context.active_object.data
+        statvis = context.tool_settings.statvis
+        layout.active = mesh.show_statvis
+
+        layout.prop(statvis, "type")
+        statvis_type = statvis.type
+        if statvis_type == 'OVERHANG':
+            row = layout.row(align=True)
+            row.prop(statvis, "overhang_min", text="")
+            row.prop(statvis, "overhang_max", text="")
+            layout.prop(statvis, "overhang_axis", expand=True)
+        elif statvis_type == 'THICKNESS':
+            row = layout.row(align=True)
+            row.prop(statvis, "thickness_min", text="")
+            row.prop(statvis, "thickness_max", text="")
+            layout.prop(statvis, "thickness_samples")
+        elif statvis_type == 'INTERSECT':
+            pass
+
+
 class VIEW3D_PT_view3d_curvedisplay(Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'UI'

Modified: trunk/blender/source/blender/blenkernel/BKE_editmesh.h
===================================================================
--- trunk/blender/source/blender/blenkernel/BKE_editmesh.h	2013-04-17 07:47:00 UTC (rev 56105)
+++ trunk/blender/source/blender/blenkernel/BKE_editmesh.h	2013-04-17 09:27:23 UTC (rev 56106)
@@ -30,6 +30,8 @@
 struct BMLoop;
 struct BMFace;
 struct Mesh;
+struct DerivedMesh;
+struct MeshStatVis;
 
 /* ok: the EDBM module is for editmode bmesh stuff.  in contrast, the 
  *     BMEdit module is for code shared with blenkernel that concerns
@@ -61,6 +63,8 @@
 	CustomDataMask lastDataMask;
 	unsigned char (*derivedVertColor)[4];
 	int derivedVertColorLen;
+	unsigned char (*derivedFaceColor)[4];
+	int derivedFaceColorLen;
 
 	/* index tables, to map indices to elements via
 	 * EDBM_index_arrays_init and associated functions.  don't
@@ -89,5 +93,8 @@
 BMEditMesh *BKE_editmesh_from_object(struct Object *ob);
 void        BKE_editmesh_free(BMEditMesh *em);
 void        BKE_editmesh_update_linked_customdata(BMEditMesh *em);
+void        BKE_editmesh_statvis_calc(BMEditMesh *em, struct DerivedMesh *dm,
+                                      struct MeshStatVis *statvis,
+                                      unsigned char (*r_face_colors)[4]);
 
 #endif /* __BKE_EDITMESH_H__ */

Modified: trunk/blender/source/blender/blenkernel/intern/DerivedMesh.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/DerivedMesh.c	2013-04-17 07:47:00 UTC (rev 56105)
+++ trunk/blender/source/blender/blenkernel/intern/DerivedMesh.c	2013-04-17 09:27:23 UTC (rev 56106)
@@ -1204,6 +1204,14 @@
 	int i;
 
 	if (em) {
+
+		/* no need to store both */
+		if (em->derivedFaceColor) {
+			MEM_freeN(em->derivedFaceColor);
+			em->derivedFaceColor = NULL;
+			em->derivedFaceColorLen = 0;
+		}
+
 		if (em->derivedVertColor && em->derivedVertColorLen == numVerts) {
 			wtcol_v = em->derivedVertColor;
 		}
@@ -1283,7 +1291,31 @@
 	}
 }
 
+static void DM_update_statvis_color(Scene *scene, Object *ob, DerivedMesh *dm)
+{
+	BMEditMesh *em = BKE_editmesh_from_object(ob);
+	int numFaces = em->bm->totface;
+	unsigned char (*wtcol_f)[4];
 
+	/* no need to store both */
+	if (em->derivedVertColor) {
+		MEM_freeN(em->derivedVertColor);
+		em->derivedVertColor = NULL;
+		em->derivedVertColorLen = 0;
+	}
+
+	if (em->derivedFaceColor && em->derivedFaceColorLen == numFaces) {
+		wtcol_f = em->derivedFaceColor;
+	}
+	else {
+		if (em->derivedFaceColor) MEM_freeN(em->derivedFaceColor);
+		wtcol_f = em->derivedFaceColor = MEM_mallocN(sizeof(*wtcol_f) * numFaces, __func__);
+		em->derivedFaceColorLen = numFaces;
+	}
+
+	BKE_editmesh_statvis_calc(em, dm, &scene->toolsettings->statvis, wtcol_f);
+}
+
 static void shapekey_layers_to_keyblocks(DerivedMesh *dm, Mesh *me, int actshape_uid)
 {
 	KeyBlock *kb;
@@ -1939,6 +1971,7 @@
 #endif
 	const int do_final_wmcol = FALSE;
 	int do_init_wmcol = ((((Mesh *)ob->data)->drawflag & ME_DRAWEIGHT) && !do_final_wmcol);
+	int do_init_statvis = ((((Mesh *)ob->data)->drawflag & ME_DRAW_STATVIS) && !do_init_wmcol);
 
 	modifiers_clearErrors(ob);
 
@@ -2127,6 +2160,8 @@
 		/* In this case, we should never have weight-modifying modifiers in stack... */
 		if (do_init_wmcol)
 			DM_update_weight_mcol(ob, *final_r, draw_flag, NULL, 0, NULL);
+		if (do_init_statvis)
+			DM_update_statvis_color(scene, ob, *final_r);
 	}
 	else {
 		/* this is just a copy of the editmesh, no need to calc normals */
@@ -2136,6 +2171,8 @@
 		/* In this case, we should never have weight-modifying modifiers in stack... */
 		if (do_init_wmcol)
 			DM_update_weight_mcol(ob, *final_r, draw_flag, NULL, 0, NULL);
+		if (do_init_statvis)
+			DM_update_statvis_color(scene, ob, *final_r);
 	}
 
 	/* --- */

Modified: trunk/blender/source/blender/blenkernel/intern/editderivedmesh.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/editderivedmesh.c	2013-04-17 07:47:00 UTC (rev 56105)
+++ trunk/blender/source/blender/blenkernel/intern/editderivedmesh.c	2013-04-17 09:27:23 UTC (rev 56106)
@@ -44,12 +44,15 @@
 #include "GL/glew.h"
 
 #include "BLI_math.h"
+#include "BLI_jitter.h"
 
 #include "BKE_cdderivedmesh.h"
 #include "BKE_mesh.h"
 #include "BKE_editmesh.h"
+#include "BKE_editmesh_bvh.h"
 
 #include "DNA_mesh_types.h"
+#include "DNA_scene_types.h"
 #include "DNA_object_types.h"
 
 #include "MEM_guardedalloc.h"
@@ -320,8 +323,10 @@
 	const int skip_normals = !glIsEnabled(GL_LIGHTING); /* could be passed as an arg */
 
 	MLoopCol *lcol[3] = {NULL} /* , dummylcol = {0} */;
-	unsigned char(*color_vert_array)[4] = (((Mesh *)em->ob->data)->drawflag & ME_DRAWEIGHT) ?  em->derivedVertColor : NULL;
+	unsigned char(*color_vert_array)[4] = (((Mesh *)em->ob->data)->drawflag & ME_DRAWEIGHT)    ?  em->derivedVertColor : NULL;
+	unsigned char(*color_face_array)[4] = (((Mesh *)em->ob->data)->drawflag & ME_DRAW_STATVIS) ?  em->derivedFaceColor : NULL;
 	bool has_vcol_preview = (color_vert_array != NULL) && !skip_normals;
+	bool has_fcol_preview = (color_face_array != NULL) && !skip_normals;
 	bool has_vcol_any = has_vcol_preview;
 
 	/* GL_ZERO is used to detect if drawing has started or not */
@@ -336,6 +341,11 @@
 	/* call again below is ok */
 	if (has_vcol_preview) {
 		BM_mesh_elem_index_ensure(bm, BM_VERT);
+	}
+	if (has_fcol_preview) {
+		BM_mesh_elem_index_ensure(bm, BM_FACE);
+	}
+	if (has_vcol_preview || has_fcol_preview) {
 		flag |= DM_DRAW_ALWAYS_SMOOTH;
 		glDisable(GL_LIGHTING);  /* grr */
 	}
@@ -370,8 +380,8 @@
 					glPolygonStipple(stipple_quarttone);
 				}
 
-				if (has_vcol_preview) bmdm_get_tri_colpreview(ltri, lcol, color_vert_array);
-
+				if      (has_vcol_preview) bmdm_get_tri_colpreview(ltri, lcol, color_vert_array);
+				else if (has_fcol_preview) glColor3ubv((const GLubyte *)&(color_face_array[BM_elem_index_get(efa)]));
 				if (skip_normals) {
 					if (poly_type != poly_prev) {
 						if (poly_prev != GL_ZERO) glEnd();
@@ -455,7 +465,8 @@
 					glPolygonStipple(stipple_quarttone);
 				}
 
-				if (has_vcol_preview) bmdm_get_tri_colpreview(ltri, lcol, color_vert_array);
+				if      (has_vcol_preview) bmdm_get_tri_colpreview(ltri, lcol, color_vert_array);
+				else if (has_fcol_preview) glColor3ubv((const GLubyte *)&(color_face_array[BM_elem_index_get(efa)]));
 
 				if (skip_normals) {
 					if (poly_type != poly_prev) {
@@ -1530,3 +1541,289 @@
 
 	return (DerivedMesh *)bmdm;
 }
+
+
+
+/* -------------------------------------------------------------------- */
+/* StatVis Functions */
+
+static void axis_from_enum_v3(float v[3], const char axis)
+{
+	zero_v3(v);
+	if (axis < 3) v[axis]     =  1.0f;
+	else          v[axis - 3] = -1.0f;
+}
+
+static void statvis_calc_overhang(
+        BMEditMesh *em,
+        float (*polyNos)[3],
+        /* values for calculating */
+        const float min, const float max, const char axis,
+        /* result */
+        unsigned char (*r_face_colors)[4])
+{
+	BMIter iter;
+	BMesh *bm = em->bm;
+	BMFace *f;
+	float dir[3];
+	int index;
+	const float minmax_irange = 1.0f / (max - min);
+
+	/* fallback */
+	const char col_fallback[4] = {64, 64, 64, 255};
+
+	BLI_assert(min <= max);
+
+	axis_from_enum_v3(dir, axis);
+
+	/* now convert into global space */
+	BM_ITER_MESH_INDEX (f, &iter, bm, BM_FACES_OF_MESH, index) {
+		float fac = angle_normalized_v3v3(polyNos ? polyNos[index] : f->no, dir) / (float)M_PI;
+
+		/* remap */
+		if (fac >= min && fac <= max) {
+			float fcol[3];
+			fac = (fac - min) * minmax_irange;
+			fac = 1.0f - fac;
+			CLAMP(fac, 0.0f, 1.0f);
+			weight_to_rgb(fcol, fac);
+			rgb_float_to_uchar(r_face_colors[index], fcol);
+		}
+		else {
+			copy_v4_v4_char((char *)r_face_colors[index], (const char *)col_fallback);
+		}
+	}
+}
+
+/* so we can use jitter values for face interpolation */
+static void uv_from_jitter_v2(float uv[2])
+{
+	uv[0] += 0.5f;
+	uv[1] += 0.5f;
+	if (uv[0] + uv[1] > 1.0f) {
+		uv[0] = 1.0f - uv[0];
+		uv[1] = 1.0f - uv[1];
+	}
+
+	CLAMP(uv[0], 0.0f, 1.0f);
+	CLAMP(uv[1], 0.0f, 1.0f);
+}
+
+static void statvis_calc_thickness(
+        BMEditMesh *em,
+        float (*vertexCos)[3],
+        /* values for calculating */
+        const float min, const float max, const int samples,
+        /* result */
+        unsigned char (*r_face_colors)[4])
+{
+	const float eps_offset = FLT_EPSILON * 10.0f;
+	float *face_dists = (float *)r_face_colors;  /* cheating */
+	const bool use_jit = samples < 32;
+	float jit_ofs[32][2];
+	BMesh *bm = em->bm;
+	const int tottri = em->tottri;
+	const float minmax_irange = 1.0f / (max - min);
+	int i;
+

@@ Diff output truncated at 10240 characters. @@



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