Failed to get data from BaseContainer

[chuanzhen]

Hi,
I use the plugin to store some data to the Base Container, but it always crashes when I read it again from the Base Container.

return ...ge_container.h(293): CRITICAL: Stop

Thanks for any help!

this is code

//function ToBc
static maxon::Result<void> ToBC(BaseContainer& bc_local_pos,maxon::BaseArray<maxon::BaseArray<maxon::BaseArray<Vector>>>& local_pos)
{
	//Convert a 3 dimensions BaseArray to a 3 dimensions BaseContainer

	Int32 all_cnt = local_pos.GetCount(), i,x = 0,x_id ;
	for (i = 0;i < all_cnt;++i)
	{
		BaseContainer per_bc_local_pos;
		Int32 per_local_cnt = local_pos[i].GetCount(), l;
		for (l = 0;l < per_local_cnt;++l)
		{
			BaseContainer per_per_bc_local_pos;
			Int32 per_per_local_cnt = local_pos[i][l].GetCount(), p_l;
			for (p_l = 0;p_l < per_per_local_cnt;++p_l)
			{
				per_per_bc_local_pos.SetVector(p_l, local_pos[i][l][p_l]);
			}
			
			per_bc_local_pos.SetContainer(l, per_per_bc_local_pos);
			
			//test
			BaseContainer test = per_bc_local_pos.GetContainer(l);
			x = 0;
			while (true)
			{
				x_id = test.GetIndexId(x++);
				if (x_id == NOTOK)
					break;
				else
				{
					Vector vec = test.GetVector(x_id);
					DiagnosticOutput("Vector:@", vec);
				}

			}
			
		}
		bc_local_pos.SetContainer(i, per_bc_local_pos);


	}


	return maxon::OK;
}
//function ToArr
static maxon::Result<void> ToArr(BaseContainer& bc_local_pos, maxon::BaseArray<maxon::BaseArray<maxon::BaseArray<Vector>>>& local_pos)
{
	//convert 3 dimensions BaseContainer to 3 dimensions BaseArray

	iferr_scope;
	Int32 x = 0, y = 0, z = 0;
	x = 0;
	while (true)
	{
		const Int32 x_id = bc_local_pos.GetIndexId(x++);
		if (x_id == NOTOK)
			break;
		else
		{
			BaseContainer per_bc_local_pos = bc_local_pos.GetContainer(x_id);
			maxon::BaseArray<maxon::BaseArray<Vector>> per_local_pos;
			y = 0;
			while (true)
			{
				const Int32 y_id = per_bc_local_pos.GetIndexId(y++);
				if (y_id == NOTOK)
					break;
				else
				{
					BaseContainer per_per_bc_local_pos = per_bc_local_pos.GetContainer(y_id);
					z = 0;
					maxon::BaseArray<Vector> per_per_local_pos;
					while (true)
					{
						const Int32 z_id = per_per_bc_local_pos.GetIndexId(z++);
						if (z_id == NOTOK)
							break;
						else
						{
							per_per_local_pos.Append(per_per_bc_local_pos.GetVector(z_id)) iferr_return;

						}

					}
					per_local_pos.Append(per_per_local_pos) iferr_return;
				}

			}
			local_pos.Append(per_local_pos) iferr_return;
		}

	}
	return maxon::OK;
}

//    local_pos, new_local_pos ----> 3 dimension BaseArray<Vector>
//    test_bc ----> BaseContainer

ToBC(test_bc, local_pos)

ToArr(test_bc,new_local_pos)

[r_gigante]

Hi chuanzhen, thanks for reaching out us.

With regard to the issue reported, I'm not able to hit the Critical Stop mentioned in the initial post.
I've tested your code using

	maxon::BaseArray<maxon::BaseArray<maxon::BaseArray<maxon::Vector>>> ba_3d, ba_3d2;

	ba_3d.Resize(2) iferr_return;
	ba_3d[0].Resize(2) iferr_return;
	ba_3d[1].Resize(2) iferr_return;
	ba_3d[0][0].Resize(2) iferr_return;
	ba_3d[0][1].Resize(2) iferr_return;
	ba_3d[1][0].Resize(2) iferr_return;
	ba_3d[1][1].Resize(2) iferr_return;
	ba_3d[0][0][0] = maxon::Vector(0, 0, 0);
	ba_3d[0][0][1] = maxon::Vector(0, 0, 1);
	ba_3d[0][1][0] = maxon::Vector(0, 1, 0);
	ba_3d[0][1][1] = maxon::Vector(0, 1, 1);
	ba_3d[1][0][0] = maxon::Vector(1, 0, 0);
	ba_3d[1][0][1] = maxon::Vector(1, 0, 1);
	ba_3d[1][1][0] = maxon::Vector(1, 1, 0);
	ba_3d[1][1][1] = maxon::Vector(1, 1, 1);
	
	BaseContainer bc_3d;
	ToBC(bc_3d, ba_3d) iferr_return;
	ToArr(bc_3d, ba_3d2) iferr_return;
	for (int i = 0; i < 2; i++)
		for (int j = 0; j < 2; j++)
			for (int k = 0; k < 2; k++)
				DiagnosticOutput("[@][@][@]: ba_3d -> @\nba_3d2 -> @", i, j, k, ba_3d[i][j][k], ba_3d2[i][j][k]);
	
	return maxon::OK;

and this was the output reported in the console - the lines starting with "Vector:" were from your code -

Vector:(0.000,0.000,0.000)
Vector:(0.000,0.000,1.000)
Vector:(0.000,1.000,0.000)
Vector:(0.000,1.000,1.000)
Vector:(1.000,0.000,0.000)
Vector:(1.000,0.000,1.000)
Vector:(1.000,1.000,0.000)
Vector:(1.000,1.000,1.000)
[0][0][0]: ba_3d -> (0.000,0.000,0.000)
ba_3d2 -> (0.000,0.000,0.000)
[0][0][1]: ba_3d -> (0.000,0.000,1.000)
ba_3d2 -> (0.000,0.000,1.000)
[0][1][0]: ba_3d -> (0.000,1.000,0.000)
ba_3d2 -> (0.000,1.000,0.000)
[0][1][1]: ba_3d -> (0.000,1.000,1.000)
ba_3d2 -> (0.000,1.000,1.000)
[1][0][0]: ba_3d -> (1.000,0.000,0.000)
ba_3d2 -> (1.000,0.000,0.000)
[1][0][1]: ba_3d -> (1.000,0.000,1.000)
ba_3d2 -> (1.000,0.000,1.000)
[1][1][0]: ba_3d -> (1.000,1.000,0.000)
ba_3d2 -> (1.000,1.000,0.000)
[1][1][1]: ba_3d -> (1.000,1.000,1.000)
ba_3d2 -> (1.000,1.000,1.000)

Two things to mention:

• the Critical Stop you hit is caused by the fact that the BaseContainer::GetContainer() method is attempted to run on an entry which is actually not containing a BaseContainer.
• if you need to simply transfer the content of a BaseArray to a BaseContainer you can consider to use BaseContainer::SetMemory() as shown in in the BaseContainer Manual.
• finally I recommend rewriting your method signatures ordering the parameters and taking advantage of the const qualifier as:

static maxon::Result<void> ToBC(const maxon::BaseArray<maxon::BaseArray<maxon::BaseArray<Vector>>>& local_pos, BaseContainer& bc_local_pos)
{}

static maxon::Result<void> ToArr(const BaseContainer& bc_local_pos, maxon::BaseArray<maxon::BaseArray<maxon::BaseArray<Vector>>>& local_pos)

Best, Riccardo

[chuanzhen]

Hi, @r_gigante
Thank you for your reply. With your help, I finally traced the source of the problem. As you said, the reason for the error(Critical Stop) is that there is no Container at all. Because of a very hidden error in somewhere, I wrote the wrong data type to BaseContainer.