I figured it out. I was wrongly calculating the page size argument for gs.
Thank you very, very much again Max!

On Thu, Jun 2, 2022 at 4:41 AM Stefan Nedeljkovic <tsar.srb@gmail.com>
wrote:

> There is one more problem: the pdf generated has incorrect margins. I
> tried to manually calculate the size in ps points and run gs directly, but
> the results are the same. How can I get an accurate rendering of the page?
>
> On Thu, Jun 2, 2022 at 4:22 AM Max Chernoff <mseven@telus.net> wrote:
>
>> On 2022-06-01 8:00 p.m., Stefan Nedeljkovic wrote:
>> > Thank you very much Max! It works indeed! One more question. How would
>> I
>> > import the eps file back into MPpage, so I could do trickery with text.
>>
>> Convert the PostScript file into PDF with either "ps2pdf" or
>> GhostScript, then you can import the file with "externalfigure":
>>
>>      \startMPpage
>>          draw externalfigure "belgrade_gm.pdf";
>>          draw textext.top("One") shifted (264.352, 116.362);
>>          draw textext.top("Two") shifted (306.821, 186.907);
>>      \stopMPpage
>>
>> -- Max
>>
>