Re: Reading textile samples
Re: Reading textile samples
- Subject: Re: Reading textile samples
- From: Rohit Patil <email@hidden>
- Date: Thu, 10 Mar 2016 09:29:27 -0800
As others and Graeme have pointed out, a spherical geometry device and/or
using a large aperture is the optimum solution here.
But given the requirement of using current equipment, you may be able to
alleviate some of the issues by printing the same chart multiple times in
different orientations (landscape, portrait), different order (random, etc)
on the substrate and then average those measurements.
Good luck,
Rohit
On Wed, Mar 9, 2016 at 8:46 AM, Garth Fletcher <email@hidden> wrote:
> Lorenzo Ridolfi wrote:
>
>> I need to profile a textile media for a large format printer
>>
>
> II have no specific experience with the instruments you mention, but I
> have worked with textiles.
>
> What differentiates textiles from most other media is their strong
> surface texture. The incident angle of the illumination can have a
> strong effect on the reading. For example, 45° illumination creates
> shadow areas behind each raised fiber which will be "seen" by a 0°
> sensor.
>
> Diffuse illumination may be useful to alleviate that problem.
>
> The above assumes that you are printing on fabric woven with a single
> weave - the usual case for printing.
>
> Dobby or Jacquard woven fabrics, which contain many different weaves,
> create a much larger set of problems...
> --
> Garth Fletcher
>
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