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[in]Accurate Measurements?
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| martin chiselwitt 2004-02-28, 2:28 pm |
| Hi All,
I have a very general enquiry.
I am currently desgning some packaging which requires that I enter quite
accurate dimensions, esp. with the placement of guides.
I find very often that Illustrator will not accept a 'rounded off'
measure, e.g. 160mm becomes 159.999mm . This happens rather a lot and
though I realise that this is not a major cause of concern, I was
curious if anyone knew why,
Many thanks
Mart.
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| Paul Asente 2004-02-28, 4:28 pm |
| In article <8I40c.111$2x2.68@newsfep3-gui.server.ntli.net>,
martin chiselwitt <ye.olde.curiosity@shoppe.com> wrote:
> I have a very general enquiry.
> I am currently desgning some packaging which requires that I enter quite
> accurate dimensions, esp. with the placement of guides.
> I find very often that Illustrator will not accept a 'rounded off'
> measure, e.g. 160mm becomes 159.999mm . This happens rather a lot and
> though I realise that this is not a major cause of concern, I was
> curious if anyone knew why,
Illustrator's internal units are points (1/72 inch). So metric
measurements get converted to points, and then converted back for
display. There is a slight round-off error, but as you noted here, it's
on the order of 1 micron.
-- paul asente
To reply, make the host be the same as my last name
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| IEUAN REES 2004-02-29, 6:03 am |
| quote:
Originally posted by Paul Asente
In article <8I40c.111$2x2.68@newsfep3-gui.server.ntli.net>,
martin chiselwitt <ye.olde.curiosity@shoppe.com> wrote:
> I have a very general enquiry.
> I am currently desgning some packaging which requires that I enter quite
> accurate dimensions, esp. with the placement of guides.
> I find very often that Illustrator will not accept a 'rounded off'
> measure, e.g. 160mm becomes 159.999mm . This happens rather a lot and
> though I realise that this is not a major cause of concern, I was
> curious if anyone knew why,
Illustrator's internal units are points (1/72 inch). So metric
measurements get converted to points, and then converted back for
display. There is a slight round-off error, but as you noted here, it's
on the order of 1 micron.
-- paul asente
To reply, make the host be the same as my last name
| |
| IEUAN REES 2004-02-29, 6:08 am |
| Have you considered purchasing CadTools from HotDoor which is a plug in for Illustrator.
It adds a few extra tools in the Toolbar and I find it extremwly useful and handy.
Ieuan Rees |
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