QCAD Pro freezes at try to open AutoCAD dwg

[kaengo]

Hello,

I have a dwg from a customer,
i think, it has been created with AutoCAD.
It has 30 MiB.
I have a strong PC (RAM 32GiB, 8 Core)
When I try to open the drawing,
QCad opens the drawing (after 5min), but than it freezes.
With much patience I can do some view-operations on the drawing.
But I cannot do modifications.
There are some crazy lines in the Drawing,
I want to delete them.
And may be, that there are 3d-Elements,
which I also would like to delete.
I see at the layer-view, that all layers are locked,
but I can't select any layer to unlock it.

Is there a way to open the drawing without the critical elements?

Is there a way to get an detailed log while opening into an extra file?

Is there a chance or must I buy Autocad?


Greetings,
Holger

QCAD Professional 3.24.3
on CentOS 7

[Husky]

Hi Holger,

to be honest - I've not much good news for you ...

It has 30 MiB.

QCAD is not really built for very large drawings. 30MB will bring it to the limits.

QCad opens the drawing (after 5min), but than it freezes.
With much patience I can do some view-operations on the drawing.

You can try: After opening the drawing switch to "Draft mode" below View,
Avoid scrolling with the mouse wheel, using the [+] / [-] keys has less rendering what makes zooming faster,
Working with a "View List" can make navigation more pleasant,

And may be, that there are 3d-Elements,

Try to get rid of them with Misc / Modify / "Flatten Drawing to 2D",

I see at the layer-view, that all layers are locked,
but I can't select any layer to unlock it.

Try to unlock them all together with Menu / Layer "Unlock all Layers" and/or "Thaw all Layers",

Additional you could try to divide the drawing into two or three drawings. Without knowing the structure of your drawing I can't tell how practical that would be ...

Tip: Save the drawing after every successful manipulation

Is there a chance or must I buy Autocad?

That question has to be answer by yourself ....