logo
NOTICE:  This is the new PunchCAD forum. You should have received an email with your new password around August 27, 2014. If you did not, or would like it reset, simply use the Lost Password feature, and enter Answer as the security answer.
Welcome Guest! To enable all features please Login or Register.

Notification

Icon
Error
File corrupt - Help I do not know how this happens (#4310)
Options
Go to last post Go to first unread
Previous Topic Next Topic
martinwh99  
#1 Posted : Tuesday, May 1, 2012 6:29:18 AM(UTC)
martinwh99

Rank: Member

Joined: 12/16/2011(UTC)
Posts: 72
Man
Switzerland

Thanks: 2 times
Was thanked: 3 time(s) in 2 post(s)
Hi

My Version is ViaCAD V8.0.0 Build(984) on Win Vista Home

The Problem i have happens verry often. I save a file in .VC3 i do also export the content do dxf. I need to send the files to a laser factory. But what happen is that when i re-open the file (not always) i do have the drawing twice. One is realy big and the smal one is the original. Now the problem i have is if i send the files to the laser factory i may get the wrong parts. What can i do? If i control it it is ok. If i do control it the next time it's wrong. And sometime it happens that it coppies the drawing, without me doing something in this direction (copy). That realy scares me. Can someone please help me. Thanks

[ATTACH]4376[/ATTACH].

kind regards

Martin
File Attachment(s):
zm.vc3 (39kb) downloaded 4 time(s).
martinwh99 attached the following image(s):
cad_problem.jpg (17kb) downloaded 4 time(s).

You cannot view/download attachments. Try to login or register.
Martin Krueger

ViaCAD ProV9, Cut2D, Cut3D
_myMill self made CNC milling-machine
Back to top
WWW
blowlamp  
#2 Posted : Tuesday, May 1, 2012 7:03:56 AM(UTC)
blowlamp

Rank: Senior Member

Joined: 6/28/2008(UTC)
Posts: 648
This has never happened to me, but looking at your picture it would seem that the large version is 25.4 times as large as the small one i.e. metric vs imperial units.

Are you doing some kind of scaling operation before you export the file?

Martin.
Back to top
Tim Olson  
#3 Posted : Tuesday, May 1, 2012 3:15:24 PM(UTC)
Tim Olson

Rank: Senior Member

Joined: 2/2/2007(UTC)
Posts: 5,447
United States

Was thanked: 502 time(s) in 353 post(s)
Hi Martin,

I'm not sure what would cause that. If you have some steps to repeat that would be great.

You might want to send an email off to tech support and ask for the latest build at [email protected]. I don't recall fixing that but there are some other fixes that may be useful.

Regards

Tim
Tim Olson
IMSI Design/Encore
Back to top
martinwh99  
#4 Posted : Sunday, May 6, 2012 12:40:48 AM(UTC)
martinwh99

Rank: Member

Joined: 12/16/2011(UTC)
Posts: 72
Man
Switzerland

Thanks: 2 times
Was thanked: 3 time(s) in 2 post(s)
Hello

@Martin

I do no scaling. All my drawings are 1:1 in mm.

@Tim

I try to reproduce it.That should be no problem. But as fare what i'm doing:

I have 3 files (lets name them A, B and C)

- Copy a part from drawing in A
- open an new file B and past the drawing
- Select all and do an ungroup
- compact option, purged deleted and remove history
- rename Layer1 to xyz
- select all and do group
- change selected objects to xyz and name the object (in Attributes)
- export to dxf (R12, selected only)
- save file to B
- select all copy
- open C past (do some work in C)
- go back to B close B
- reopen B and there it is.


If it helps, i can mail you the whole files.

regards

Martin
Martin Krueger

ViaCAD ProV9, Cut2D, Cut3D
_myMill self made CNC milling-machine
Back to top
WWW
kramer.j  
#5 Posted : Tuesday, May 8, 2012 5:23:09 AM(UTC)
kramer.j

Rank: Junior Member

Joined: 8/24/2011(UTC)
Posts: 9
Hi,

obviously, Tim is the expert in this, but I do know that dxf's indeed cause scaling issues very often. The dxf file format simply has no way of storing the units. I've seen numerous examples of this issue with all kinds of CAD systems.
Regards, Jaap
Back to top
martinwh99  
#6 Posted : Friday, May 18, 2012 4:04:09 AM(UTC)
martinwh99

Rank: Member

Joined: 12/16/2011(UTC)
Posts: 72
Man
Switzerland

Thanks: 2 times
Was thanked: 3 time(s) in 2 post(s)
Here is how it goes:


- Copy (Edit - Copy) a part from an existing drawing
- open an new file and past (Edit -Past) the drawing
- Select all
- export to dxf (R12, selected only)
- save the file (.vc3)
- close the file
- reopen it and there it is.

so from my point of view the problem happens when exporting to DXF without doing a save before.

regards
Martin
Martin Krueger

ViaCAD ProV9, Cut2D, Cut3D
_myMill self made CNC milling-machine
Back to top
WWW
blowlamp  
#7 Posted : Friday, May 18, 2012 4:21:42 AM(UTC)
blowlamp

Rank: Senior Member

Joined: 6/28/2008(UTC)
Posts: 648
I don't have ViaCAD 2d/3d, but I can't get it to repeat on the the ViaCAD Pro beta v1009, so I wonder if this might have been fixed in a later build.


Martin.
Back to top
ttrw  
#8 Posted : Friday, May 18, 2012 6:13:00 AM(UTC)
ttrw

Rank: Senior Member

Joined: 4/1/2007(UTC)
Posts: 1,583

Was thanked: 2 time(s) in 2 post(s)
If you do get a problem with scaling from a wrongly imported dxf file, it's quite easy to fix (works in both 2 and 3D). This same rule also applies with the scale command in QCad. Works just as effectively in ViaCAD/Shark...

Scale tool;

reference line = 50mm (example)
First determine the width of the entity you wish to modify by selecting it and then by using the 'info' tools (measure point to point) or from the geometry info in the property editor.

To scale down

1. I have a line or entity of width 145.8mm long:
In the Scale options dialog box - enter in the factor X field - 50/145.8/1
Press enter - job done.

To scale up

2.I have a line or entity of width say 34.5667mm long, and I want to scale up to 87.432mm width:
In the scale options dialog box - enter in the factor X field - 87.432/34.5667
Press enter - job done.

Hope that helps. :)
Back to top
martinwh99  
#9 Posted : Wednesday, May 30, 2012 9:28:45 AM(UTC)
martinwh99

Rank: Member

Joined: 12/16/2011(UTC)
Posts: 72
Man
Switzerland

Thanks: 2 times
Was thanked: 3 time(s) in 2 post(s)
Hello

The problem i have now is: I've done a cad2cam (with PyCam) with some of my dxf's and some show the same problem. :mad: . So now i have to recreate all my dxf and check them with PyCam in order to give them to the lasercompany.

the way i've done it is still the same:

generate a DXF before saving the drawing.

Regards

martin
Martin Krueger

ViaCAD ProV9, Cut2D, Cut3D
_myMill self made CNC milling-machine
Back to top
WWW
jdi000  
#10 Posted : Wednesday, May 30, 2012 10:06:47 AM(UTC)
jdi000

Rank: Administration

Joined: 7/29/2007(UTC)
Posts: 1,862
United States

Thanks: 1 times
Was thanked: 87 time(s) in 81 post(s)
Hi Martin


Can you try your steps without using groups? Do you need to group things together?


Regards

Jason
Windows 11, 10
Back to top
Users browsing this topic
Guest (6)
Forum Jump  
You cannot post new topics in this forum.
You cannot reply to topics in this forum.
You cannot delete your posts in this forum.
You cannot edit your posts in this forum.
You cannot create polls in this forum.
You cannot vote in polls in this forum.

Powered by YAF.NET 2.1.2 | YAF.NET © 2003-2024, Yet Another Forum.NET