Fusion - the Fusion 360 Bridge

@@ -131,6 +131,65 @@ def state(board, meta):             'drc':{'checked':False,'note':'Use fusion_routing_drc for a fresh Autodesk DRC'}}  +def shoelace(pts):+    a=0.0+    for i in range(len(pts)):+        x1,y1=pts[i]; x2,y2=pts[(i+1)%len(pts)]; a+=x1*y2-x2*y1+    return abs(a)/2+++def pours(board):+    """Every Fusion pour on the board: net, layer, outline, isolate, rank, and its filled area+    from Fusion's own fill (polygonfilldetails: each island's outline minus its holes)."""+    out=[]+    for s in board.findall('signals/signal'):+        for p in list(s.findall('polygonpour'))+list(s.findall('polygon')):+            if p.tag=='polygonpour':+                ol=p.find('polygonoutlineobjects'); outline=[[float(v.get('x')),float(v.get('y'))] for v in (ol.findall('vertex') if ol is not None else [])]+            else:+                outline=[[float(v.get('x')),float(v.get('y'))] for v in p.findall('vertex')]+            filled=0.0; islands=0+            fd=p.find('polygonfilldetails')+            if fd is not None:+                for sh in fd.findall('polygonshape'):+                    seg=sh.find('polygonoutlinesegments')+                    if seg is None: continue+                    a=shoelace([(float(v.get('x')),float(v.get('y'))) for v in seg.findall('vertex')])+                    for h in sh.iter('polygonholesegments'):+                        a-=shoelace([(float(v.get('x')),float(v.get('y'))) for v in h.findall('vertex')])+                    filled+=a; islands+=1+            out.append({'net':s.get('name'),'layer':int(p.get('layer','1')),'outline':outline,+                        'isolate':float(p.get('isolate','0')),'rank':int(p.get('rank','1')),+                        'filledMm2':round(filled,3),'islands':islands,'filled':fd is not None})+    return out+++def pour_state(board):+    rows=pours(board); by_layer={}; by_net={}+    for r in rows:+        by_layer[str(r['layer'])]=round(by_layer.get(str(r['layer']),0)+r['filledMm2'],3)+        by_net[r['net']]=round(by_net.get(r['net'],0)+r['filledMm2'],3)+    return {'pours':rows,'filledAreaByLayerMm2':by_layer,'filledAreaByNetMm2':by_net,+            'unfilled':[r['net'] for r in rows if not r['filled']]}+++def same_outline(a,b,tol=0.01):+    if len(a)!=len(b): return False+    return all(abs(p[0]-q[0])<=tol and abs(p[1]-q[1])<=tol for p,q in zip(a,b))+++def element_rows(board):+    return {el.get('name'):{'x':float(el.get('x')),'y':float(el.get('y')),'rot':el.get('rot','R0')} for el in board.findall('elements/element')}+++def rot_of(v):+    if isinstance(v,(int,float)) and not isinstance(v,bool):+        d=float(v)%360.0+        return 'R'+('%g'%d)+    if isinstance(v,str) and re.fullmatch(r'M?R-?[\d.]+',v): return v+    fail('invalid_geometry','rotation must be degrees or an EAGLE rotation like R90 / MR180')++ def point_distance(p,a,b):     dx,dy=b[0]-a[0],b[1]-a[1]     t=max(0,min(1,((p[0]-a[0])*dx+(p[1]-a[1])*dy)/(dx*dx+dy*dy))) if dx or dy else 0@@ -323,6 +382,61 @@ def handle(app,args,action):             report=native_drc(app)             _,board,meta=snapshot(app,args)             return {'success':report['checked'],**state(board,meta),'drc':report}+        if action=='pour_state':+            return {'success':True,'mutated':False,**meta,**pour_state(board)}+        if action=='move_parts':+            # one MOVE (and ROTATE) per part, absolute; each its own undo step and its own moment on camera+            want=args.get('parts')+            if not isinstance(want,list) or not want: fail('invalid_args','parts must be a non-empty list of {ref,x,y,rotation}')+            have=element_rows(board); done=[]+            for p in want:+                ref=identifier(p.get('ref')); x=number(p.get('x')); y=number(p.get('y'))+                if ref not in have: fail('unknown_part','No element named %s on the board'%ref)+                rot=rot_of(p.get('rotation',have[ref]['rot']))+                cmd="MOVE '%s' (%.6fmm %.6fmm); ROTATE =%s '%s';"%(ref,x,y,rot,ref)+                attempted=True; app.executeTextCommand('Electron.run '+cmd); commands.append(cmd); done.append(ref)+            app.executeTextCommand('Electron.run RATSNEST;')+            app.executeTextCommand('Electron.ImmediateRepaint /full')+            _,after,after_meta=snapshot(app,args); got=element_rows(after); bad=[]+            for p in want:+                g=got.get(p['ref']); r=rot_of(p.get('rotation',g['rot'] if g else 'R0'))+                if not g or abs(g['x']-p['x'])>0.001 or abs(g['y']-p['y'])>0.001 or g['rot'].lstrip('S')!=r: bad.append({'ref':p['ref'],'want':[p['x'],p['y'],r],'got':g})+            return {'success':not bad,'mutated':True,'verified':not bad,'errorCode':None if not bad else 'readback_mismatch',+                    'mismatched':bad,'moved':done,'commands':commands,**state(after,after_meta)}+        if action=='place_vias':+            want=args.get('vias')+            if not isinstance(want,list) or not want: fail('invalid_args','vias must be a non-empty list of {net,x,y,diameter,drill}')+            for v in want:+                cmd="CHANGE DRILL %.6fmm; VIA '%s' %.6fmm ROUND 1-16 (%.6fmm %.6fmm);"%(number(v.get('drill',0.3),True),identifier(v.get('net')),number(v.get('diameter',0.6),True),number(v.get('x')),number(v.get('y')))+                attempted=True; app.executeTextCommand('Electron.run '+cmd); commands.append(cmd)+            app.executeTextCommand('Electron.run RATSNEST;')+            _,after,after_meta=snapshot(app,args); vs=objects(after)[3]+            missing=[v for v in want if not any(o['net']==v['net'] and abs(o['at'][0]-v['x'])<0.001 and abs(o['at'][1]-v['y'])<0.001 for o in vs)]+            return {'success':not missing,'mutated':True,'verified':not missing,'errorCode':None if not missing else 'readback_mismatch','missing':missing,'commands':commands,**state(after,after_meta)}+        if action=='apply_pours':+            # draw each planned pour that is not already on the board (same net, layer and outline),+            # then RATSNEST fills them; the reply is Fusion's own fill per pour+            want=args.get('pours')+            if not isinstance(want,list) or not want: fail('invalid_args','pours must be a non-empty list of {net,layer,points,isolate,rank}')+            existing=pours(board); added=[]; kept=[]+            for p in want:+                net=identifier(p.get('net')); layer=int(p.get('layer',1))+                if layer not in (1,16): fail('invalid_geometry','pour layer must be 1 (top) or 16 (bottom)')+                pts=[[number(a),number(b)] for a,b in p.get('points') or []]+                if len(pts)<3: fail('invalid_geometry','a pour needs at least three points')+                if any(e['net']==net and e['layer']==layer and same_outline(e['outline'],pts) for e in existing): kept.append(net); continue+                width=number(p.get('width',0.25),True); iso=number(p.get('isolate',0.25),True); rank=int(p.get('rank',1))+                if not 1<=rank<=6: fail('invalid_args','rank must be 1..6 (1 fills first)')+                path=' '.join('(%.6fmm %.6fmm)'%(x,y) for x,y in pts+[pts[0]])+                cmd=("CHANGE ISOLATE %.6fmm; CHANGE RANK %d; CHANGE POUR SOLID; CHANGE ORPHANS %s; CHANGE THERMALS %s; "+                     "LAYER %d; POLYGON '%s' %.6fmm %s;")%(iso,rank,'ON' if p.get('orphans') else 'OFF','OFF' if p.get('thermals') is False else 'ON',layer,net,width,path)+                attempted=True; app.executeTextCommand('Electron.run '+cmd); commands.append(cmd); added.append(net)+            app.executeTextCommand('Electron.run RATSNEST;')+            app.executeTextCommand('Electron.ImmediateRepaint /full')+            _,after,after_meta=snapshot(app,args); ps=pour_state(after)+            missing=[p['net'] for p in want if not any(e['net']==p['net'] and e['layer']==int(p.get('layer',1)) and same_outline(e['outline'],[[float(a),float(b)] for a,b in p['points']]) for e in ps['pours'])]+            return {'success':not missing,'mutated':bool(added),'verified':not missing,'errorCode':None if not missing else 'readback_mismatch',+                    'added':added,'kept':kept,'missing':missing,'commands':commands,**ps,**state(after,after_meta)}         if action!='route_net': fail('unknown_action','Unknown routing action')         candidate=plan(board,args)         if 'dryRun' in args and not isinstance(args['dryRun'],bool): fail('invalid_args','dryRun must be boolean')