This commit is contained in:
Nicolas Predella 2026-07-31 14:38:42 +03:00
parent 7b8c54c2a5
commit 5b38682b93
5 changed files with 38 additions and 382 deletions

View file

@ -363,10 +363,7 @@ class SLICENODE_MeshToPdf(ExecSliceNode):
draw_crease: NfBoolProperty(name="Crease Angle", default=False) # pyright: ignore[reportInvalidTypeForm] draw_crease: NfBoolProperty(name="Crease Angle", default=False) # pyright: ignore[reportInvalidTypeForm]
crease_angle: NfFloatProperty(name="Angle (°)", default=30.0, min=0.0, max=180.0) # pyright: ignore[reportInvalidTypeForm] crease_angle: NfFloatProperty(name="Angle (°)", default=30.0, min=0.0, max=180.0) # pyright: ignore[reportInvalidTypeForm]
draw_bbox: NfBoolProperty(name="Bounding Box", default=False) # pyright: ignore[reportInvalidTypeForm] draw_bbox: NfBoolProperty(name="Bounding Box", default=False) # pyright: ignore[reportInvalidTypeForm]
draw_sa2_holes: NfBoolProperty(name="Holes", default=False) # pyright: ignore[reportInvalidTypeForm] draw_sa2_holes: NfBoolProperty(name="Holes (Ø)", default=False) # pyright: ignore[reportInvalidTypeForm]
draw_sa2_arcs: NfBoolProperty(name="Arcs", default=False) # pyright: ignore[reportInvalidTypeForm]
draw_sa2_chamfers: NfBoolProperty(name="Chamfers", default=False) # pyright: ignore[reportInvalidTypeForm]
draw_sa2_step_features: NfBoolProperty(name="Step Features", default=False) # pyright: ignore[reportInvalidTypeForm]
show_lineart: NfBoolProperty(name="Lineart Visibility", default=True) # pyright: ignore[reportInvalidTypeForm] show_lineart: NfBoolProperty(name="Lineart Visibility", default=True) # pyright: ignore[reportInvalidTypeForm]
show_sa2: NfBoolProperty(name="SA2 Settings", default=True) # pyright: ignore[reportInvalidTypeForm] show_sa2: NfBoolProperty(name="SA2 Settings", default=True) # pyright: ignore[reportInvalidTypeForm]
show_name: NfBoolProperty(name="Show Name", default=False) # pyright: ignore[reportInvalidTypeForm] show_name: NfBoolProperty(name="Show Name", default=False) # pyright: ignore[reportInvalidTypeForm]
@ -428,9 +425,6 @@ class SLICENODE_MeshToPdf(ExecSliceNode):
if self.show_sa2: if self.show_sa2:
box = layout.box() box = layout.box()
box.prop(self, "draw_sa2_holes") box.prop(self, "draw_sa2_holes")
box.prop(self, "draw_sa2_arcs")
box.prop(self, "draw_sa2_chamfers")
box.prop(self, "draw_sa2_step_features")
# Display settings # Display settings
layout.prop(self, "draw_bbox") layout.prop(self, "draw_bbox")
@ -500,9 +494,6 @@ class SLICENODE_MeshToPdf(ExecSliceNode):
draw_crease=self.draw_crease, draw_crease=self.draw_crease,
draw_bbox=self.draw_bbox, draw_bbox=self.draw_bbox,
draw_sa2_holes=self.draw_sa2_holes, draw_sa2_holes=self.draw_sa2_holes,
draw_sa2_arcs=self.draw_sa2_arcs,
draw_sa2_chamfers=self.draw_sa2_chamfers,
draw_sa2_step_features=self.draw_sa2_step_features,
show_name=self.show_name, show_name=self.show_name,
show_bbox_size=self.show_bbox_size, show_bbox_size=self.show_bbox_size,
crease_angle=self.crease_angle, crease_angle=self.crease_angle,

View file

@ -104,19 +104,10 @@ def extract_slicing_object_features(
draw_crease: bool = False, draw_crease: bool = False,
crease_angle: float = 30.0, crease_angle: float = 30.0,
bounds: tuple[float, float, float, float] | None = None, bounds: tuple[float, float, float, float] | None = None,
) -> tuple[ ) -> list[tuple[float, float, float]]:
list[tuple[float, float, float]], # Holes (cx, cy, dia)
list[tuple[float, float, float, float, float]], # Arcs (cx, cy, r, mid_x, mid_y)
list[tuple[float, float, float, float, float]], # Chamfers (x1, y1, x2, y2, c_val)
list[tuple[float, float, float, float, float]] # Steps (x1, y1, x2, y2, length)
]:
""" """
Extracts geometric features from a SlicingObject per ISO 129-1 standards: Extracts circular bore / hole features (center_x, center_y, diameter_mm) from a SlicingObject
Source geometry is derived from the visible edge layers (wireframe, boundary, contour, crease). per ISO 129-1 standards based on visible edge layers.
1. Circular bores / holes: list of (center_x, center_y, diameter_mm)
2. Arc cutouts & fillets: list of (center_x, center_y, radius_mm, mid_x, mid_y)
3. Bevels / Chamfers: list of (x1, y1, x2, y2, c_val_mm)
4. Internal step / notch segments: list of (x1, y1, x2, y2, length_mm)
""" """
edge_list: list[NDArray[np.float64]] = [] edge_list: list[NDArray[np.float64]] = []
@ -125,8 +116,6 @@ def extract_slicing_object_features(
if len(w_edges) > 0: if len(w_edges) > 0:
edge_list.append(w_edges) edge_list.append(w_edges)
# Note: extract_crease_edges (lineart) already includes all boundary edges,
# so we avoid redundant extract_boundary_edges when draw_crease is active.
if draw_boundary and not draw_crease: if draw_boundary and not draw_crease:
b_edges_layer = extract_boundary_edges(so_item) b_edges_layer = extract_boundary_edges(so_item)
if len(b_edges_layer) > 0: if len(b_edges_layer) > 0:
@ -149,56 +138,16 @@ def extract_slicing_object_features(
b_edges = np.empty((0, 2, 2), dtype=np.float64) b_edges = np.empty((0, 2, 2), dtype=np.float64)
if len(b_edges) == 0: if len(b_edges) == 0:
return [], [], [], [] return []
adj: dict[tuple[float, float], list[tuple[float, float]]] = {} from shapely.geometry import LineString
for p0, p1 in b_edges: from shapely.ops import polygonize
pt0 = (round(float(p0[0]), 2), round(float(p0[1]), 2))
pt1 = (round(float(p1[0]), 2), round(float(p1[1]), 2))
if pt0 == pt1:
continue
adj.setdefault(pt0, []).append(pt1)
adj.setdefault(pt1, []).append(pt0)
for pt, nbrs in adj.items(): lines = [LineString([(float(p0[0]), float(p0[1])), (float(p1[0]), float(p1[1]))]) for p0, p1 in b_edges]
nbrs.sort(key=lambda n: (n[0] - pt[0]) ** 2 + (n[1] - pt[1]) ** 2) polygons = list(polygonize(lines))
loops: list[NDArray[np.float64]] = [np.array(poly.exterior.coords, dtype=np.float64) for poly in polygons]
visited_edges: set[tuple[tuple[float, float], tuple[float, float]]] = set()
loops: list[NDArray[np.float64]] = []
for start_pt in list(adj.keys()):
for neighbor in adj[start_pt]:
edge_key = tuple(sorted([start_pt, neighbor]))
if edge_key in visited_edges:
continue
temp_visited = set()
loop_pts = [start_pt]
temp_visited.add(edge_key)
curr = neighbor
while curr != start_pt:
loop_pts.append(curr)
next_pt = None
for nxt in adj.get(curr, []):
ek = tuple(sorted([curr, nxt]))
if ek not in visited_edges and ek not in temp_visited:
temp_visited.add(ek)
next_pt = nxt
break
if next_pt is None:
break
curr = next_pt
if curr == start_pt:
visited_edges.update(temp_visited)
if len(loop_pts) >= 3:
loops.append(np.array(loop_pts, dtype=np.float64))
holes: list[tuple[float, float, float]] = [] holes: list[tuple[float, float, float]] = []
arcs: list[tuple[float, float, float, float, float]] = []
chamfers: list[tuple[float, float, float, float, float]] = []
step_features: list[tuple[float, float, float, float, float]] = []
if bounds is not None: if bounds is not None:
min_x, max_x, min_y, max_y = bounds min_x, max_x, min_y, max_y = bounds
@ -207,7 +156,7 @@ def extract_slicing_object_features(
min_x, max_x = float(verts_2d[:, 0].min()), float(verts_2d[:, 0].max()) min_x, max_x = float(verts_2d[:, 0].min()), float(verts_2d[:, 0].max())
min_y, max_y = float(verts_2d[:, 1].min()), float(verts_2d[:, 1].max()) min_y, max_y = float(verts_2d[:, 1].min()), float(verts_2d[:, 1].max())
else: else:
return holes, arcs, chamfers, step_features return holes
overall_w = max_x - min_x overall_w = max_x - min_x
overall_h = max_y - min_y overall_h = max_y - min_y
@ -223,97 +172,18 @@ def extract_slicing_object_features(
r_mean_full = float(dists_full.mean()) r_mean_full = float(dists_full.mean())
r_std_full = float(dists_full.std()) r_std_full = float(dists_full.std())
# 1. ISO Full Circular Bore (Ø) # ISO Full Circular Bore (Ø) Detection
if N >= 5 and r_mean_full > 0.5 and (r_std_full / r_mean_full) < 0.20: if N >= 5 and r_mean_full > 0.5 and (r_std_full / r_mean_full) < 0.20:
if r_mean_full < max(overall_w, overall_h) * 0.48: if r_mean_full < min(overall_w, overall_h) * 0.45:
holes.append((cx_full, cy_full, r_mean_full * 2.0)) holes.append((cx_full, cy_full, r_mean_full * 2.0))
continue
# 2. Trace ISO Arc Cutouts & Fillets (R) return holes
idx_i = 0
visited_indices: set[int] = set()
while idx_i < N:
if idx_i in visited_indices:
idx_i += 1
continue
p1 = loop[idx_i]
p2 = loop[(idx_i + 1) % N]
p3 = loop[(idx_i + 2) % N]
center, r_arc = circumcircle_3pts(p1, p2, p3)
if center is not None and 1.0 <= r_arc <= max(overall_w, overall_h) * 0.45:
arc_seq = [idx_i, (idx_i + 1) % N, (idx_i + 2) % N]
for j in range(idx_i + 3, idx_i + N):
idx_nxt = j % N
p_nxt = loop[idx_nxt]
dist_to_c = np.sqrt((p_nxt[0] - center[0]) ** 2 + (p_nxt[1] - center[1]) ** 2)
if abs(dist_to_c - r_arc) / r_arc < 0.12:
arc_seq.append(idx_nxt)
else:
break
if len(arc_seq) >= 4:
mid_idx = arc_seq[len(arc_seq) // 2]
mid_pt = loop[mid_idx]
arcs.append((float(center[0]), float(center[1]), float(r_arc), float(mid_pt[0]), float(mid_pt[1])))
visited_indices.update(arc_seq)
idx_i += len(arc_seq) - 1
continue
idx_i += 1
# 3. Trace ISO Chamfers / Bevels (C)
for k in range(N):
if k in visited_indices:
continue
p_prev = loop[(k - 1) % N]
p_curr = loop[k]
p_next = loop[(k + 1) % N]
p_next2 = loop[(k + 2) % N]
v1 = p_curr - p_prev
v2 = p_next - p_curr
v3 = p_next2 - p_next
l1, l2, l3 = float(np.linalg.norm(v1)), float(np.linalg.norm(v2)), float(np.linalg.norm(v3))
if l1 > 0 and l2 > 0 and l3 > 0:
cos12 = float(np.dot(v1, v2) / (l1 * l2))
cos23 = float(np.dot(v2, v3) / (l2 * l3))
if 0.45 <= abs(cos12) <= 0.88 and 0.45 <= abs(cos23) <= 0.88:
if 1.0 <= l2 <= min(overall_w, overall_h) * 0.4:
c_val = float(l2 * math.sin(math.pi / 4.0))
chamfers.append((float(p_curr[0]), float(p_curr[1]), float(p_next[0]), float(p_next[1]), c_val))
# 4. Interior Step Segments
for i in range(N):
p1 = loop[i]
p2 = loop[(i + 1) % N]
seg_len = float(np.sqrt((p2[0] - p1[0])**2 + (p2[1] - p1[1])**2))
is_horiz = abs(p2[1] - p1[1]) < 1e-2 and seg_len > 4.0 and abs(seg_len - overall_w) > 1e-2
is_vert = abs(p2[0] - p1[0]) < 1e-2 and seg_len > 4.0 and abs(seg_len - overall_h) > 1e-2
if is_horiz or is_vert:
on_outer_edge = (
abs(p1[0] - min_x) < 1e-2 and abs(p2[0] - min_x) < 1e-2 or
abs(p1[0] - max_x) < 1e-2 and abs(p2[0] - max_x) < 1e-2 or
abs(p1[1] - min_y) < 1e-2 and abs(p2[1] - min_y) < 1e-2 or
abs(p1[1] - max_y) < 1e-2 and abs(p2[1] - max_y) < 1e-2
)
if not on_outer_edge:
step_features.append((float(p1[0]), float(p1[1]), float(p2[0]), float(p2[1]), seg_len))
return holes, arcs, chamfers, step_features
def render_sa2_measures_pdf( def render_sa2_measures_pdf(
stream_cmds: list[str], stream_cmds: list[str],
raw_geometry: Any, raw_geometry: Any,
draw_sa2_holes: bool = False, draw_sa2_holes: bool = True,
draw_sa2_arcs: bool = False,
draw_sa2_chamfers: bool = False,
draw_sa2_step_features: bool = False,
minor_step_mm: float = 1.0, minor_step_mm: float = 1.0,
main_step: float = 10.0, main_step: float = 10.0,
to_pdf_pt: Callable[[NDArray[np.float64]], NDArray[np.float64]] | None = None, to_pdf_pt: Callable[[NDArray[np.float64]], NDArray[np.float64]] | None = None,
@ -326,13 +196,9 @@ def render_sa2_measures_pdf(
crease_angle: float = 30.0, crease_angle: float = 30.0,
) -> None: ) -> None:
""" """
Renders ISO 129-1 compliant SA2 automated technical measurements on PDF stream. Renders ISO 129-1 compliant SA2 hole measurements (bores, concentric steps, Z-depth, pitch) on PDF stream.
""" """
if raw_geometry is None: if raw_geometry is None or not draw_sa2_holes:
return
# Check if any SA2 feature is enabled
if not (draw_sa2_holes or draw_sa2_arcs or draw_sa2_chamfers or draw_sa2_step_features):
return return
sa2_objects = extract_slicing_objects_bounds(raw_geometry) sa2_objects = extract_slicing_objects_bounds(raw_geometry)
@ -366,6 +232,12 @@ def render_sa2_measures_pdf(
arrow_len_pt = sizing.arrow_len_pt arrow_len_pt = sizing.arrow_len_pt
arrow_half_w_pt = sizing.arrow_half_w_pt arrow_half_w_pt = sizing.arrow_half_w_pt
mesh_verts_3d = None
total_z_span = 0.0
if hasattr(so_item, 'mesh') and so_item.mesh.size > 0:
mesh_verts_3d = so_item.mesh[:, :3, :3].reshape(-1, 3)
total_z_span = float(mesh_verts_3d[:, 2].max() - mesh_verts_3d[:, 2].min())
# --- Width Dimension (Horizontal below SlicingObject) --- # --- Width Dimension (Horizontal below SlicingObject) ---
y_dim_mm = min_y - offset_mm y_dim_mm = min_y - offset_mm
@ -440,11 +312,10 @@ def render_sa2_measures_pdf(
y_h_text = (y_h1 + y_h2) / 2.0 - (font_size_pt * 0.35) y_h_text = (y_h1 + y_h2) / 2.0 - (font_size_pt * 0.35)
stream_cmds.append(f"1 0 0 1 {x_h_text:.2f} {y_h_text:.2f} Tm") stream_cmds.append(f"1 0 0 1 {x_h_text:.2f} {y_h_text:.2f} Tm")
stream_cmds.append(f"({escape_pdf_text(h_str)}) Tj") stream_cmds.append(f"({escape_pdf_text(h_str)}) Tj")
stream_cmds.append("ET") stream_cmds.append("ET")
# --- Additional SA2 Feature Measures: Bores (Ø), Arcs (R), Chamfers (C) & Pitch --- # --- SA2 Hole Features Extraction (Ø) ---
holes, arcs, chamfers, step_features = extract_slicing_object_features( holes = extract_slicing_object_features(
so_item, so_item,
draw_wireframe=draw_wireframe, draw_wireframe=draw_wireframe,
draw_boundary=draw_boundary, draw_boundary=draw_boundary,
@ -452,11 +323,9 @@ def render_sa2_measures_pdf(
draw_crease=draw_crease, draw_crease=draw_crease,
crease_angle=crease_angle, crease_angle=crease_angle,
bounds=(min_x, max_x, min_y, max_y), bounds=(min_x, max_x, min_y, max_y),
debug_sa2=debug_sa2,
filepath=filepath,
) )
# 1. Concentric Bores Grouping & ISO 129-1 Callouts with Z-depth Specs (Electric Blue) # Concentric Bores Grouping & ISO 129-1 Callouts with Z-depth Specs (Electric Blue)
if draw_sa2_holes and holes: if draw_sa2_holes and holes:
blue_r, blue_g, blue_b = 0.10, 0.45, 0.90 blue_r, blue_g, blue_b = 0.10, 0.45, 0.90
stream_cmds.append(f"{blue_r:.3f} {blue_g:.3f} {blue_b:.3f} RG") stream_cmds.append(f"{blue_r:.3f} {blue_g:.3f} {blue_b:.3f} RG")
@ -475,13 +344,6 @@ def render_sa2_measures_pdf(
if not added: if not added:
concentric_groups.append([(cx, cy, dia)]) concentric_groups.append([(cx, cy, dia)])
# Query 3D Z-depth information for hole callouts
mesh_verts_3d = None
total_z_span = 0.0
if hasattr(so_item, 'mesh') and so_item.mesh.size > 0:
mesh_verts_3d = so_item.mesh[:, :3, :3].reshape(-1, 3)
total_z_span = float(mesh_verts_3d[:, 2].max() - mesh_verts_3d[:, 2].min())
for grp in concentric_groups: for grp in concentric_groups:
grp.sort(key=lambda h: h[2], reverse=True) grp.sort(key=lambda h: h[2], reverse=True)
gcx, gcy, max_dia = grp[0] gcx, gcy, max_dia = grp[0]
@ -529,84 +391,7 @@ def render_sa2_measures_pdf(
stream_cmds.append(f"({escape_pdf_text(dia_str)}) Tj") stream_cmds.append(f"({escape_pdf_text(dia_str)}) Tj")
stream_cmds.append("ET") stream_cmds.append("ET")
# 2. ISO 129-1 Arc Cutouts & Corner Fillets (R - Amber Orange) # Orthogonal Hole Center Pitch & Datum Offset Baselines (Teal Green)
if draw_sa2_arcs and arcs:
amber_r, amber_g, amber_b = 0.90, 0.45, 0.10
stream_cmds.append(f"{amber_r:.3f} {amber_g:.3f} {amber_b:.3f} RG")
stream_cmds.append(f"{amber_r:.3f} {amber_g:.3f} {amber_b:.3f} rg")
for acx_mm, acy_mm, r_mm, mid_x_mm, mid_y_mm in arcs[:4]:
arc_slant, arc_leader = sizing.get_arc_callout_lengths(r_mm)
p_center = to_pdf_pt(np.array([[acx_mm, acy_mm]]))
p_mid = to_pdf_pt(np.array([[mid_x_mm, mid_y_mm]]))
p_sh1 = to_pdf_pt(np.array([[mid_x_mm + arc_slant, mid_y_mm + arc_slant]]))
p_sh2 = to_pdf_pt(np.array([[mid_x_mm + arc_slant + arc_leader, mid_y_mm + arc_slant]]))
xc, yc = p_center[0, 0], p_center[0, 1]
xm, ym = p_mid[0, 0], p_mid[0, 1]
xs1, ys1 = p_sh1[0, 0], p_sh1[0, 1]
stream_cmds.append(f"{xm:.2f} {ym:.2f} m {xs1:.2f} {ys1:.2f} l {p_sh2[0, 0]:.2f} {ys1:.2f} l S")
ux, uy = (xm - xc), (ym - yc)
dist_cm = math.sqrt(ux*ux + uy*uy)
if dist_cm > 1e-3:
ux, uy = ux / dist_cm, uy / dist_cm
stream_cmds.append(
f"{xm - arrow_len_pt * ux + arrow_half_w_pt * uy:.2f} {ym - arrow_len_pt * uy - arrow_half_w_pt * ux:.2f} m "
f"{xm:.2f} {ym:.2f} l "
f"{xm - arrow_len_pt * ux - arrow_half_w_pt * uy:.2f} {ym - arrow_len_pt * uy + arrow_half_w_pt * ux:.2f} l S"
)
r_val = round(r_mm, 1)
r_str = f"R{r_val:g}mm"
stream_cmds.append("BT")
stream_cmds.append(f"/F1 {font_size_pt * 0.9:.1f} Tf")
stream_cmds.append(f"1 0 0 1 {xs1 + 2.0:.2f} {ys1 + 2.0:.2f} Tm")
stream_cmds.append(f"({escape_pdf_text(r_str)}) Tj")
stream_cmds.append("ET")
# 3. ISO 129-1 Bevels, Chamfers & Rib Angles (C / θ - Violet Purple)
if draw_sa2_chamfers and chamfers:
purple_r, purple_g, purple_b = 0.60, 0.20, 0.85
stream_cmds.append(f"{purple_r:.3f} {purple_g:.3f} {purple_b:.3f} RG")
stream_cmds.append(f"{purple_r:.3f} {purple_g:.3f} {purple_b:.3f} rg")
for ch_x1, ch_y1, ch_x2, ch_y2, c_val in chamfers[:4]:
ch_mid_x = (ch_x1 + ch_x2) / 2.0
ch_mid_y = (ch_y1 + ch_y2) / 2.0
dx_ch = abs(ch_x2 - ch_x1)
dy_ch = abs(ch_y2 - ch_y1)
angle_deg = math.degrees(math.atan2(dy_ch, max(dx_ch, 1e-4)))
ch_slant, ch_leader = sizing.get_chamfer_callout_lengths(c_val)
sh_x = ch_mid_x + ch_slant
sh_y = ch_mid_y + ch_slant
p_ch_mid = to_pdf_pt(np.array([[ch_mid_x, ch_mid_y]]))
p_ch_sh1 = to_pdf_pt(np.array([[sh_x, sh_y]]))
p_ch_sh2 = to_pdf_pt(np.array([[sh_x + ch_leader, sh_y]]))
x_cm, y_cm = p_ch_mid[0, 0], p_ch_mid[0, 1]
x_cs1, y_cs1 = p_ch_sh1[0, 0], p_ch_sh1[0, 1]
stream_cmds.append(f"{x_cm:.2f} {y_cm:.2f} m {x_cs1:.2f} {y_cs1:.2f} l {p_ch_sh2[0, 0]:.2f} {y_cs1:.2f} l S")
stream_cmds.append(
f"{x_cm + arrow_len_pt * 0.7071:.2f} {y_cm + arrow_len_pt * 0.7071:.2f} m "
f"{x_cm:.2f} {y_cm:.2f} l "
f"{x_cm + arrow_len_pt * 0.3535:.2f} {y_cm + arrow_len_pt * 0.95:.2f} l S"
)
c_str = f"C{c_val:.1f}mm ({angle_deg:.0f}°)"
stream_cmds.append("BT")
stream_cmds.append(f"/F1 {font_size_pt * 0.85:.1f} Tf")
stream_cmds.append(f"1 0 0 1 {x_cs1 + 2.0:.2f} {y_cs1 + 2.0:.2f} Tm")
stream_cmds.append(f"({escape_pdf_text(c_str)}) Tj")
stream_cmds.append("ET")
# 4. Orthogonal Hole Center Pitch & Datum Offset Baselines (Teal Green)
if draw_sa2_holes and 'concentric_groups' in locals() and len(concentric_groups) >= 2: if draw_sa2_holes and 'concentric_groups' in locals() and len(concentric_groups) >= 2:
teal_r, teal_g, teal_b = 0.05, 0.58, 0.53 teal_r, teal_g, teal_b = 0.05, 0.58, 0.53
stream_cmds.append(f"{teal_r:.3f} {teal_g:.3f} {teal_b:.3f} RG") stream_cmds.append(f"{teal_r:.3f} {teal_g:.3f} {teal_b:.3f} RG")
@ -658,28 +443,3 @@ def render_sa2_measures_pdf(
stream_cmds.append(f"({escape_pdf_text(pitch_str)}) Tj") stream_cmds.append(f"({escape_pdf_text(pitch_str)}) Tj")
stream_cmds.append("ET") stream_cmds.append("ET")
# 5. Flange Outer Geometry & Z-Depth Thickness Callouts
if mesh_verts_3d is not None and total_z_span > 0:
flange_mask = mesh_verts_3d[:, 0] > (min_x + 0.55 * w_obj_mm)
if np.any(flange_mask):
f_verts = mesh_verts_3d[flange_mask]
f_y_min, f_y_max = float(f_verts[:, 1].min()), float(f_verts[:, 1].max())
f_z_min, f_z_max = float(f_verts[:, 2].min()), float(f_verts[:, 2].max())
flange_dia_mm = f_y_max - f_y_min
flange_depth_mm = f_z_max - f_z_min
if flange_dia_mm > 2.0:
p_flange_right = to_pdf_pt(np.array([[max_x + sizing.offset_mm * 0.5, (f_y_min + f_y_max) / 2.0]]))
xf_label = p_flange_right[0, 0]
yf_label = p_flange_right[0, 1]
flange_str = f"FLANGE Ø{flange_dia_mm:.1f}mm \u2334{flange_depth_mm:.1f}mm"
stream_cmds.append("0.100 0.550 0.200 RG")
stream_cmds.append("0.100 0.550 0.200 rg")
stream_cmds.append("BT")
stream_cmds.append(f"/F1 {font_size_pt * 0.85:.1f} Tf")
stream_cmds.append(f"1 0 0 1 {xf_label:.2f} {yf_label:.2f} Tm")
stream_cmds.append(f"({escape_pdf_text(flange_str)}) Tj")
stream_cmds.append("ET")

View file

@ -77,9 +77,6 @@ def export_mesh_to_pdf(
draw_crease: bool = False, draw_crease: bool = False,
draw_bbox: bool = False, draw_bbox: bool = False,
draw_sa2_holes: bool = False, draw_sa2_holes: bool = False,
draw_sa2_arcs: bool = False,
draw_sa2_chamfers: bool = False,
draw_sa2_step_features: bool = False,
show_name: bool = False, show_name: bool = False,
show_bbox_size: bool = False, show_bbox_size: bool = False,
crease_angle: float = 30.0, crease_angle: float = 30.0,
@ -317,15 +314,12 @@ def export_mesh_to_pdf(
stream_cmds.extend(lines_str[start_idx:start_idx + 5000]) stream_cmds.extend(lines_str[start_idx:start_idx + 5000])
stream_cmds.append("S") stream_cmds.append("S")
# 5.6. SA2 Automated Technical Measures Block # 5.6. SA2 Automated Technical Measures Block (Holes & Concentric Bores)
if raw_geometry is not None and (draw_sa2_holes or draw_sa2_arcs or draw_sa2_chamfers or draw_sa2_step_features): if raw_geometry is not None and draw_sa2_holes:
render_sa2_measures_pdf( render_sa2_measures_pdf(
stream_cmds, stream_cmds,
raw_geometry, raw_geometry,
draw_sa2_holes=draw_sa2_holes, draw_sa2_holes=draw_sa2_holes,
draw_sa2_arcs=draw_sa2_arcs,
draw_sa2_chamfers=draw_sa2_chamfers,
draw_sa2_step_features=draw_sa2_step_features,
minor_step_mm=minor_step, minor_step_mm=minor_step,
main_step=main_step, main_step=main_step,
to_pdf_pt=to_pdf_pt, to_pdf_pt=to_pdf_pt,

View file

@ -45,8 +45,6 @@ This file provides a mapping of modules to their primary responsibilities and ke
- `sa2_measures.py`: - `sa2_measures.py`:
- `render_sa2_measures_pdf()`: ISO 129-1 technical marking engine. - `render_sa2_measures_pdf()`: ISO 129-1 technical marking engine.
- `extract_slicing_object_features()`: Feature detection for circular bores (Ø), arcs (R), chamfers (C), and steps. - `extract_slicing_object_features()`: Feature detection for circular bores (Ø), arcs (R), chamfers (C), and steps.
- `depth_rasterizer.py`:
- `save_sa2_debug_data()`: Exports input 2D edge vector coordinates and cProfile performance data when debug is enabled.
- `writer.py`: - `writer.py`:
- `export_mesh_to_pdf()`: Formats vector edge arrays and renders scalable PDF files with grid overlays, text labels, and SA2 markings. - `export_mesh_to_pdf()`: Formats vector edge arrays and renders scalable PDF files with grid overlays, text labels, and SA2 markings.

View file

@ -586,9 +586,6 @@ class TestPdfExporter(unittest.TestCase):
edges_2d, edges_2d,
pdf_path, pdf_path,
draw_sa2_holes=True, draw_sa2_holes=True,
draw_sa2_arcs=True,
draw_sa2_chamfers=True,
draw_sa2_step_features=True,
raw_geometry=so raw_geometry=so
) )
self.assertTrue(os.path.exists(pdf_path)) self.assertTrue(os.path.exists(pdf_path))
@ -634,73 +631,16 @@ class TestPdfExporter(unittest.TestCase):
edges_2d, edges_2d,
pdf_path, pdf_path,
draw_sa2_holes=True, draw_sa2_holes=True,
draw_sa2_arcs=True,
draw_sa2_chamfers=True,
draw_sa2_step_features=True,
raw_geometry=so raw_geometry=so
) )
self.assertTrue(os.path.exists(pdf_path)) self.assertTrue(os.path.exists(pdf_path))
with open(pdf_path, "rb") as f: with open(pdf_path, "rb") as f:
content = f.read().decode("utf-8", errors="ignore") raw_bytes = f.read()
# ISO circular callouts (Electric Blue 0.10,0.45,0.90 for Ø or Amber Orange 0.90,0.45,0.10 for R) content = raw_bytes.decode("utf-8", errors="ignore")
self.assertTrue("0.100 0.450 0.900 RG" in content or "0.900 0.450 0.100 RG" in content) # ISO circular bore callouts (Electric Blue 0.100 0.450 0.900 RG)
self.assertIn("0.100 0.450 0.900 RG", content)
def test_export_pdf_iso_arc_and_chamfer_detection(self): self.assertIn("THRU", content)
# Create mesh with a chamfer (10mm) and an arc cutout (R15mm)
t = np.linspace(0, np.pi/2, 8)
arc_pts = np.column_stack([15 - 15*np.cos(t), 15 - 15*np.sin(t)])
pts = [
[0, 15],
[0, 60],
[90, 60], # Chamfer start
[100, 50], # Chamfer end
[100, 0],
[15, 0]
]
polygon_pts = pts[:5] + list(arc_pts[::-1])
# Triangulate top face & extruded 3D mesh
tris = []
for i in range(len(polygon_pts)):
i_next = (i + 1) % len(polygon_pts)
p1_2d = polygon_pts[i]
p2_2d = polygon_pts[i_next]
p1_top = [p1_2d[0], p1_2d[1], 10.0]
p2_top = [p2_2d[0], p2_2d[1], 10.0]
p1_bot = [p1_2d[0], p1_2d[1], 0.0]
p2_bot = [p2_2d[0], p2_2d[1], 0.0]
# Side wall tris
tris.append([p1_bot, p1_top, p2_top, [0, 0, 1]])
tris.append([p1_bot, p2_top, p2_bot, [0, 0, 1]])
so = SlicingObject()
so.name = "ArcChamferPart"
so.mesh = np.array(tris, dtype=np.float64)
edges_2d = extract_unique_top_view_edges(so)
with tempfile.TemporaryDirectory() as tmpdir:
pdf_path = os.path.join(tmpdir, "test_arc_chamfer.pdf")
export_mesh_to_pdf(
edges_2d,
pdf_path,
draw_sa2_holes=True,
draw_sa2_arcs=True,
draw_sa2_chamfers=True,
draw_sa2_step_features=True,
raw_geometry=so
)
self.assertTrue(os.path.exists(pdf_path))
with open(pdf_path, "rb") as f:
content = f.read().decode("utf-8", errors="ignore")
# Verify ISO R (radius amber 0.900 0.450 0.100) and ISO C (chamfer purple 0.600 0.200 0.850)
self.assertIn("0.900 0.450 0.100 RG", content)
self.assertIn("(R15", content)
self.assertIn("0.600 0.200 0.850 RG", content)
self.assertIn("(C10mm) Tj", content)
def test_export_pdf_font_size(self): def test_export_pdf_font_size(self):
so = SlicingObject() so = SlicingObject()
@ -762,49 +702,22 @@ class TestPdfExporter(unittest.TestCase):
so.mesh = np.array(tris, dtype=np.float64) so.mesh = np.array(tris, dtype=np.float64)
# 1. When no geometry is selected as visible (all False), extract_slicing_object_features returns empty # 1. When no geometry is selected as visible (all False), extract_slicing_object_features returns empty
h, a, c, s = extract_slicing_object_features( h_none = extract_slicing_object_features(
so, draw_wireframe=False, draw_boundary=False, draw_contour=False, draw_crease=False so, draw_wireframe=False, draw_boundary=False, draw_contour=False, draw_crease=False
) )
self.assertEqual((h, a, c, s), ([], [], [], [])) self.assertEqual(h_none, [])
# 2. When draw_boundary=True, features are extracted from boundary edges # 2. When draw_boundary=True, features are extracted from boundary edges
h_b, a_b, c_b, s_b = extract_slicing_object_features( h_b = extract_slicing_object_features(
so, draw_wireframe=False, draw_boundary=True, draw_contour=False, draw_crease=False so, draw_wireframe=False, draw_boundary=True, draw_contour=False, draw_crease=False
) )
# 3. When draw_wireframe=True, features are extracted from top-view wireframe edges # 3. When draw_wireframe=True, features are extracted from top-view wireframe edges
h_w, a_w, c_w, s_w = extract_slicing_object_features( h_w = extract_slicing_object_features(
so, draw_wireframe=True, draw_boundary=False, draw_contour=False, draw_crease=False so, draw_wireframe=True, draw_boundary=False, draw_contour=False, draw_crease=False
) )
self.assertIsNotNone(h_w) self.assertIsNotNone(h_w)
def test_export_pdf_debug_sa2_output_files(self):
so = SlicingObject()
so.name = "DebugPart"
so.mesh = np.array([
[[0.0, 0.0, 0.0], [50.0, 0.0, 0.0], [0.0, 50.0, 0.0], [0.0, 0.0, 1.0]],
[[50.0, 0.0, 0.0], [50.0, 50.0, 0.0], [0.0, 50.0, 0.0], [0.0, 0.0, 1.0]]
], dtype=np.float64)
edges_2d = extract_unique_top_view_edges(so)
with tempfile.TemporaryDirectory() as tmpdir:
pdf_path = os.path.join(tmpdir, "debug_test.pdf")
export_mesh_to_pdf(
edges_2d,
pdf_path,
debug_sa2=True,
raw_geometry=so
)
self.assertTrue(os.path.exists(pdf_path))
txt_debug = os.path.join(tmpdir, "debug_test_sa2_debug_edges.txt")
prof_debug = os.path.join(tmpdir, "debug_test_sa2_debug_cprofile.txt")
self.assertTrue(os.path.exists(txt_debug))
self.assertTrue(os.path.exists(prof_debug))
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()