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 Post subject: plugin Measurement
PostPosted: 13 Jan 2006 11:25 
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Nouveau
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Joined: 13 Jan 2006 11:02
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Location: Riga, Latvia
Gender: Male
Hi,
I search plug-in for measurement in PhotoFiltre, where I can manualy to make calibrations and measurement in the image (for example, if take a photo with object and measuring-tape).
I found this plug-in in your website
h_ _p://plugins.photofiltre.free.fr/plugins/Mesures.zip
but I ascertain that with this plug-in the measurements are imprecise.
Did it possible to add this option in the next relize of this plug-in?


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 Post subject:
PostPosted: 24 Jan 2006 15:58 
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Administrateur
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Joined: 02 Feb 2005 9:35
Posts: 13532
Location: 54
Gender: Male
PhotoFiltre version: PF6 + 7 + Studio
Operating System: W10
Hi,
Can you explain what turns you so certain that the measurements of this plug-in are imprecise ? :shock:

I don't understand which option would be usefull in a next release of this plug-in . :shock:

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 Post subject:
PostPosted: 27 Jan 2006 11:56 
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Nouveau
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Joined: 13 Jan 2006 11:02
Posts: 2
Location: Riga, Latvia
Gender: Male
Hi,
In my job I work also with ImagePro-Plus (http://www.mediacy.com), and in this software is a nice feature of measurement- spatial calibration. This mean that I can manually to measure in picture what is size of object in meters, cm or millimetres.
If I use photofiltre measurement, then I am dependent from the properties of image (size, pixels, automatically measurement, if I correctly understand), but if I use "spatial calibration", I am independent from this, I simple take a photo with object and measuring-tape (in other words it is a forensic photography), and manualy I can measure how much pixels are in 1mm in picture, for example, and then from this picture I will know the real size of object.
This feature will be very nice. Thanks.


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 Post subject:
PostPosted: 27 Jan 2006 18:08 
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Joined: 02 Feb 2005 9:35
Posts: 13532
Location: 54
Gender: Male
PhotoFiltre version: PF6 + 7 + Studio
Operating System: W10
Hi,
I have most doubts that a sofware could be able to measure, directly in inch, any object without having a precise idea of his distance from the lens focus, and the size of an other benchmark object, at the same distance.
For that i know in forensic photography, you must put a calibrated marker beside and on the same ground that the target object.
Without any marker on the same ground, i don't see how any precise measure could be get.
With a calibrated marker, you can also measure an object in PhotoFiltre, you have just to convert pixels in inches, with a pocket calculator.

Image
Click on the thumbnail and tell me if you can get the precise size of the feather, which is not in the same ground as the apples. :wink:

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