[bug]Getting wrong SketchEntities from ProfileLoop

jiri.manak — Thu, 11 Jun 2020 18:02:40 GMT

After two updates of Fusion 360 this bug still remains unsolved.

I didn't received any response.

Python script below reproduces the behaviour.

The script run successfully only in a sketch mode with valid profile.

To really reproduce the bug, the profile must be created specific way. The bug occurs if sketch profile is extended by joining two loops and trimmed.

A guaranteed way is (look also at the picture attached)

create new sketch on XY plane
draw fit spline
add 3 line segments
add a rectangle crossing bottom line
trim the segments to extend the profile
run the script
script creates 'curves.txt' file with a listing of the Sketch Curves with start and end point.
Define a path for 'curves.txt' to find the file easier.
You will see that one Sketch Curve is missing and another is doubled. (If you follow exactly described way, it is always 1 and 5. This is wrong.
If you export this sketch as dxf, and import it again this effect disappears. The sketch is somehow corrected.
There is also no problem to work with this profile in Fusion. The problem has developer, who receives wrong data for another processing.

If you run this script without sketch and profile loop it will fail. (its only for test)

# Author-JiriManak # Description-Demonstration of the bug import adsk.core, adsk.fusion, adsk.cam, traceback def point2str(p): return "[{:4.2f}, {:4.2f}, {:4.2f}]".format(p.x, p.y, p.z) def get_curve_info(profile_curve): sketch_entity = profile_curve.sketchEntity class_type = sketch_entity.objectType sketch_curve = None start_p = None end_p = None if class_type == adsk.fusion.SketchLine.classType(): sketch_curve = adsk.fusion.SketchLine.cast(sketch_entity) if class_type == adsk.fusion.SketchArc.classType(): sketch_curve = adsk.fusion.SketchArc.cast(sketch_entity) if class_type == adsk.fusion.SketchConicCurve.classType(): sketch_curve = adsk.fusion.SketchConicCurve.cast(sketch_entity) if class_type == adsk.fusion.SketchEllipticalArc.classType(): sketch_curve = adsk.fusion.SketchEllipticalArc.cast(sketch_entity) if class_type == adsk.fusion.SketchFittedSpline.classType(): sketch_curve = adsk.fusion.SketchFittedSpline.cast(sketch_entity) if class_type == adsk.fusion.SketchFixedSpline.classType(): sketch_curve = adsk.fusion.SketchFixedSpline.cast(sketch_entity) if sketch_curve: start_p = adsk.core.Point3D.cast(sketch_curve.startSketchPoint.geometry) end_p = adsk.core.Point3D.cast(sketch_curve.endSketchPoint.geometry) return class_type, start_p, end_p def publish_curve_info(index, curve_info): s = "" class_type, start_p, end_p = curve_info s += "[{:02d}] Sketch Curve: {}\n".format(index, class_type) s += " start point: {}\n".format(point2str(start_p)) s += " end point: {}\n".format(point2str(end_p)) s += "\n" return s def find_duplicates(collection): a_index = 0 for info_a in collection: b_index = 0 for info_b in collection: if a_index == b_index: continue a_class_type, a_start_p, a_end_p = info_a b_class_type, b_start_p, b_end_p = info_b if adsk.core.Point3D.cast(a_start_p).isEqualToByTolerance(b_start_p, 0.001): if adsk.core.Point3D.cast(a_end_p).isEqualToByTolerance(b_end_p, 0.001): return a_index, b_index, b_index += 1 a_index += 1 return -1, -1 def run(context): ui = None try: s = "HandDrawnCurvesBug\n" s += "List of curves:\n" app = adsk.core.Application.get() ui = app.userInterface active_sketch = app.activeEditObject profiles = active_sketch.profiles collection = list() txtCmd = 'Debug.EntitlementString' ui.messageBox(app.executeTextCommand(txtCmd)) # Individual: Personal / Hobbyist # Startup: Startup / Enthusiast # Commercial / EE: Commercial # Educational # Institution: Student if profiles.count < 1: ui.messageBox("Profile not found !") else: profile = profiles.item(0) profile_loops = profile.profileLoops if profile_loops.count > 0: profile_loop = profile_loops.item(0) profile_curves = profile_loop.profileCurves index = 0 for profile_curve in profile_curves: curve_info = get_curve_info(profile_curve) collection.append(curve_info) s += publish_curve_info(index, curve_info) index += 1 d0, d2 = find_duplicates(collection) if d0 > -1: s += "DUPLICATES FOUND: [{:02d}] == [{:02d}]\n".format(d0, d2) output = open("D:\\tmp\\curves.txt", 'w') output.writelines(s) output.close() except: if ui: ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))

Jiri

topic [bug]Getting wrong SketchEntities from ProfileLoop in Fusion API and Scripts Forum

[bug]Getting wrong SketchEntities from ProfileLoop