[SOLVED] Drawing not converting

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CVH
Premier Member
Posts: 1506
Joined: Wed Sep 27, 2017 4:17 pm

[SOLVED] Drawing not converting

Post by CVH » Mon Nov 23, 2020 6:27 am

With this dxf in Inch:
viewtopic.php?f=74&t=7809#p30427

Double clicked the file on the Forum
>> QCAD starts and opens the file
CU .. from inch ... to mm:
RouterMount1.png
RouterMount1.png (145.89 KiB) Viewed 1229 times
And applied: >>
  • Command: convertunit
    Converted drawing from Inch to Millimeter
RouterMount2.png
RouterMount2.png (130.43 KiB) Viewed 1229 times
Not confirmed by Husky:
viewtopic.php?f=74&t=7809#p30451

Explained as:
Husky wrote:
Sun Nov 22, 2020 8:47 pm
Maybe you noticed a wrong Label Format what is interpreted by you as "not converted" ...
Sure, I notice that about everything is faulty and it is me that interpreted this wrong ....
10.664 inch in imperial = 22feet+6.8656inch in metric ... :evil:

My bad.
I give in.
End of story.
CVH
Last edited by CVH on Thu Dec 10, 2020 5:27 am, edited 1 time in total.

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andrew
Site Admin
Posts: 7905
Joined: Fri Mar 30, 2007 6:07 am

Re: Drawing not converting

Post by andrew » Mon Nov 23, 2020 11:00 am

Here's the crux:
- Converting from Inch to Millimeter does not change the dimension label format (maybe it should in this case, I'll look into that).
- DXF/DWG implicitly interprets all units as inches if the dimension format is "Engineering" or "Architectural", even if the drawing unit is set to metric.

So this conversion leaves you with a drawing that is in logically in Millimeter but still interpreted in Inch as long as the dimension label format is not adjusted.

CVH
Premier Member
Posts: 1506
Joined: Wed Sep 27, 2017 4:17 pm

Re: Drawing not converting

Post by CVH » Mon Nov 23, 2020 11:36 am

Thanks Andrew.
Now I know what to do:
CU to mm

1st Trial

Ctrl+I
Tick Dimension settings
>> Warning:
DimsWarning.png
DimsWarning.png (66.99 KiB) Viewed 1212 times
It states: Format changed to "Decimal" so I comply with OK
Scroll down and verify the settings:
DimsSettings.png
DimsSettings.png (57.86 KiB) Viewed 1212 times
Decimal is set so I comply with OK
>> No change

2nd Trial

Ctrl+I
Tick Dimension settings
>> Same warning
Comply with OK
Scroll down and verify the settings:
>> The Format is again set as the first trial
Changed Format to 'Scientific'
Changed Format back to 'Decimal'
Comply with OK
>> Finally 10.664 inch = 270.8656mm

Wrote the second procedure down on a Post It.
Yet another one to cover my wall. :wink:
Regards,
CVH

CVH
Premier Member
Posts: 1506
Joined: Wed Sep 27, 2017 4:17 pm

Re: Drawing not converting

Post by CVH » Thu Dec 10, 2020 5:26 am


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