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Why does this file size increase on export?

J

jont

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unitedkingdom
Hi
Does anyone know why the FSX aircraft mdl file increases in size when exported?
For example - if I import the default B737-800 aircraft mdl file (5,633KB) - make no changes and then export, the aircraft mdl file increases in size to 6267KB. An increase happens to any aircraft mdl file that I try. Just wondered if there is a setting to change. I use the default MCX settings.
Cheers
Jont
 
Hi,

ModelConverterX will not guarantee that the file stays exactly the same. On importing the model is stored in an internal memory representation in the tool. And when exporting the tool makes a MDL file out of that representation again.

During that process the structure of the model is changed (optimized most of the time).

Besides that ModelConverterX does not support all features of MDL files. So for example skin and bone animations will be ignored.

So in most cases you will get a smaller file. If I import the default 737 and export it again I do get a file that is smaller as well. It was 5633 kB and is 5578 kB afterwards.
 
Thanks for the explanation Arno.
Is there a setting I need to change because my aircraft mdl's always increase in size!
Cheers
Jont
 
Last edited:
Hi,

No, there is no specific setting for this.

Are you working with FS2004 or FSX? I tested with FSX and FSX MDL files. Maybe for FS2004 it is slightly different.
 
Hi,

Are you using the latest development release or the stable 1.3 version?

For the DC-3 it goes from 6493 to 5555 kb here on my machine.
 
Ok George - that's interesting - any chance you can let me know your option settings please?
Cheers
Jont
 
Thanks George
Arno - I've no idea why this is happening - anything I should check? - I'm using the latest SDK (SP2).
Cheers
Jont
 
Arno / George
Sorted!!
Was not using the latest modeldef.xml
Thanks for your time with this!!
Cheers
Jont
 
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