Disappearing hatch in custom entity only on Acad 2017

[Anonymous]

Hi, I have very strange problem. One of our testers showed it to me and then I tried to reproduce this on my machine. I failed. But then I deleted autocad tree from registry (current user) restoring its default settings and now this problem occurs.

So, we have entity which constist of 4 lines and solid green hatch. Kind of area.

When I draw first area, everything is fine. You can see it in attachement: evac1.png.

Now, I want to create another area but on the first one. And the result is that hatch disappears from the first entity. You can see it on evac2.png.

The strange thing is that this code works on every Autocad below 2017. And as I have said at the beginning, it has something to do with Autocad settings.

Hatch is being drawn in subWorldDraw everytime. So, maybe someone has seen something like that before? What's the problem here?

[Alexander.Rivilis]

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@Anonymous wrote:

...Hatch is being drawn in subWorldDraw everytime. So, maybe someone has seen something like that before? What's the problem here?

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Without your subWorldDraw code? Hm... If you think that it is AutoCAD 2017 bug you have to create sample project which can be tested.

[Anonymous]

I mean inside my subWorldDraw.

Unfortunately I am not able to create sample project, because this is part of bigger system. But this all works on other versions. And before settings reset it worked as well. This is part of my code from subWorldDraw.

My entity is some kind of super entity that can be anything. A line. Rectangle. Rabbit 🙂 So all its "subentities" are stored in a vector and are properly created while creating my entity. I hope that you understand, what I'm doing.

for(Entities::iterator it = m_pEntities->begin(); it != m_pEntities->end(); ++it)
{		 
	bool isSolidHatch = false; //added this just for test

	if(it->first->isA()->isDerivedFrom(AcDbHatch::desc()))
	{
		AcDbHatch * pHatch = (AcDbHatch *)it->first;
		if (pHatch->isSolidFill())
		{
                        //solid hatches must have special gs marker 
			pWd->subEntityTraits().setSelectionMarker(FIRST_HATCH_GSMARKER * (index + 1));
			isSolidHatch = true;
		}
		else
			pWd->subEntityTraits().setSelectionMarker(0);
	}			
	else
		pWd->subEntityTraits().setSelectionMarker(FIRST_ENT_GSMARKER + index);			


	if(!isSolidHatch) //just for test, but doesn't work
		pWd->subEntityTraits().setFillType(kAcGiFillNever);		

	//set the color
	if(it->first->color().colorMethod() == AcCmEntityColor::kByColor)
	{
		AcCmColor & cl = it->first->color();
		AcCmEntityColor trueColor(cl.red(), cl.green(), cl.blue());

		pWd->subEntityTraits().setTrueColor(trueColor);
	} else
		pWd->subEntityTraits().setColor(it->first->colorIndex());		

	//line properties
	pWd->subEntityTraits().setLineType(it->first->linetypeId());
		pWd->subEntityTraits().setLineTypeScale(it->first->linetypeScale());
	pWd->subEntityTraits().setLineWeight(it->first->lineWeight());

	it->first->worldDraw(pWd);

	index++;
}

return true;

Maybe this is something with one system variable. Changing order in sortents table. Or intersecting bounding boxes.