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[CRASH] - component.flatPattern.bendLinesBody on component with no bends

6 REPLIES 6
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Message 1 of 7
gvisca44
449 Views, 6 Replies

[CRASH] - component.flatPattern.bendLinesBody on component with no bends

Was in the process of writing add-in that processes sheet metal components.

 

Found that component.flatPattern.bendLinesBody and component.flatPattern.extentLinesBody against a component with no bends causes crash.  Seems like component.flatPattern.bodies also causes a crash.

 

Crash report 336849264 sent.

 

Glenn.

6 REPLIES 6
Message 2 of 7
BrianEkins
in reply to: gvisca44

A crash is never good, and even when you do something wrong, the API should fail and never crash. However, I created a very simple test case where I made a new design that contained a sheet metal part, inserted it into a new design, and then used the API to call the bendLinesBody property. I'm not seeing a crash, and it returns the body, so there must be something else that's causing it to crash. Can you post a test case and the code that reproduces the crash?

---------------------------------------------------------------
Brian Ekins
Inventor and Fusion 360 API Expert
Website/Blog: https://EkinsSolutions.com
Message 3 of 7
gvisca44
in reply to: gvisca44

Will do @BrianEkins.

 

Just to be clear - because I mis-interpreted the symptoms initially.

 

The crash appears on sheet metal components that dont have bends (where initially I thought it was on linked components).  Just happened that my original tests included linked components that didnt have bends.

 

 

Message 4 of 7
gvisca44
in reply to: gvisca44

@BrianEkins 

 

As requested.  The embedded image (which I have also included as attachment just in case) shows the progression of the script to the point of crash.

 

 

 

import adsk.core 
import adsk.fusion 
import traceback

def run(context):
    ui = None
    try:
        app = adsk.core.Application.get()
        ui  = app.userInterface
        
        product = app.activeProduct
        design = adsk.fusion.Design.cast(product)
        if not design:
            ui.messageBox('No active Fusion design', 'No Design')
            return

        allComps: adsk.fusion.Components = design.allComponents

        for component in allComps:
            for body in component.bRepBodies:
                if body.isSheetMetal:
                    msg = f'Component \t "{component.name}" has sheet metal body'
                    app.log(msg)
                    adsk.doEvents()

                    bendLinesBody = component.flatPattern.bendLinesBody

                    for BRepEdge in bendLinesBody.edges:

                        (retval, isBendUp, bendAngle) = component.flatPattern.getBendInfo(BRepEdge)
                        msg = f'\tretval:{retval} isBendUp:{isBendUp} bendAngle:{bendAngle}' 
                        app.log(msg)
                        adsk.doEvents()

    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))

 

 

 

 

picture1.png

 

Message 5 of 7
john.kirchner
in reply to: gvisca44

Thank you for providing the f3z + image, I was able to reproduce this and identify the issue. Will get this fixed!



Message 6 of 7
gvisca44
in reply to: john.kirchner

Thanks John.

Is there somewhere I can track the fix ? Or will I receive notification ?
Message 7 of 7
john.kirchner
in reply to: gvisca44

Unfortunately we don't have any public facing bug fix tracking, this specific fix should be out within the next month or so though.

In the meantime one workaround I can suggest is to compare the flatPattern.flatBody.faces.count (shouldn't crash) to the component.bRepBodies[0].faces.count - the counts are equal, then that means there are no bends in the flatpattern.



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