rushabhcodes/fidget-counter

mechanical/printing/render_slices.py

"""Inspect actual audited G-code paths; no inferred or illustrated toolpaths."""
from pathlib import Path
import json,math
import numpy as np
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
from matplotlib.collections import LineCollection

ROOT=Path(__file__).resolve().parents[2];OUT=ROOT/'work/print-readiness'
report=json.loads((ROOT/'validation/print-readiness.json').read_text())
parts={p['name']:p for p in report['parts']}

# Exact audit paths must keep support below the bearing fit.
name='Stationary_Base';p=parts[name]
assert p['support_segments']>0 and p['maximum_support_z_mm']<5.2
(ROOT/'validation/print-support-clearance.json').write_text(json.dumps({'passed':True,'physical_tested':False,'method':'Actual G-code support heights vs fixed shaft fit region','maximum_base_support_z_mm':p['maximum_support_z_mm'],'bearing_fit_starts_above_bed_mm':5.9,'limits':['Support cleanup and actual extrusion width remain physical checks']},indent=2)+'\n')

fig,axes=plt.subplots(3,3,figsize=(18,15),layout='constrained')
cases=[('Stationary_Base',.2,'Base first layer'),('Stationary_Base',2.3,'Supported magnet pocket roof'),('Stationary_Base',4.85,'Integrated bearing shoulder'),('Cap_circular',.2,'Cap deck on bed'),('Cap_circular',4.7,'Cap bearing housing'),('Cap_ships_wheel',1.85,'Ships-wheel rim'),('Cap_four_leaf_clover',1.85,'Supported clover rim'),('Cap_thumb_scoop',9.05,'Supported thumb-cap interior'),('Cap_rounded_triangle',1.85,'Supported triangle rim')]
colors={'model':'#167d96','support':'#e99425','bridge':'#c94745'}
for ax,(name,target,title) in zip(axes.flat,cases):
 rows=json.loads((OUT/(name+'-paths.json')).read_text())
 model=[r for r in rows if r[5] not in ['Skirt/Brim','Custom'] and not r[5].startswith('Support material')]
 layer=min({r[4] for r in model},key=lambda z:abs(z-target))
 support=[r for r in rows if r[5].startswith('Support material') and r[4]<=layer]
 support_z=max([r[4] for r in support if r[4]<=layer-.1],default=-1)
 for category in ['support','model','bridge']:
  selected=[r for r in rows if (abs(r[4]-support_z)<.001 and r[5].startswith('Support material'))] if category=='support' else [r for r in model if abs(r[4]-layer)<.001 and ((r[5]=='Bridge infill')==(category=='bridge'))]
  segments=[[[r[0],r[1]],[r[2],r[3]]] for r in selected]
  if segments:ax.add_collection(LineCollection(segments,colors=colors[category],linewidths=.65 if category=='support' else .8,alpha=.7 if category=='support' else 1))
 ax.autoscale();ax.set_aspect('equal');ax.set_title(f'{title}\nmodel Z{layer:.2f} mm; support projected from Z{support_z:.2f}' if support_z>=0 else f'{title}\nmodel Z{layer:.2f} mm; no lower support')
 if name=='Nest_Left':ax.margins(.15)  # Follow actual finger paths after fixture orientation changes.
 ax.set_xlabel('X / mm');ax.set_ylabel('Y / mm');ax.grid(alpha=.12)
fig.suptitle('Actual PrusaSlicer 2.8.1 paths | teal: model, orange: lower support, red: bridge-labelled infill\nGeneric 0.4 mm PETG audit; re-slice for actual printer. Supported bridge labels do not mean a free unsupported span.',fontsize=13)
dest=ROOT/'previews/print-slice-inspection.png';fig.savefig(dest,dpi=160);print(dest)