Re: filmscanners: VueScan 7.2.11 Available (new focus test)

On 12/4/01 2:30 AM, [EMAIL PROTECTED] <[EMAIL PROTECTED]>, wrote: >In a message dated 12/4/2001 2:07:36 AM EST, [EMAIL PROTECTED] writes: > >> Here are two sample scans (one from VueScan, one from Nikon Scan) that >> show the benefit of a manually selected focus point: >> >>

Re: filmscanners: VueScan 7.2.11 Available (new focus test)

In a message dated 12/5/2001 1:38:10 AM EST, [EMAIL PROTECTED] writes: > I followed the above suggestions as closely as I could. The new results > can be examined at: > > I'm convinced. I'm going to add a focus offset x/y o

RE: filmscanners: VueScan 7.2.11 Available (new focus test)

Ed writes ... > ... > I'm going to add a focus offset x/y option, with zero being the > center, -1 being the left (or top) and 1 being the right > (or bottom). > > If focusing is done with the preview, these will be relative > to the entire preview. If focusing is done with the scan, > these wil

Re: filmscanners: VueScan 7.2.11 Available (new focus test)

In a message dated 12/5/2001 8:33:39 AM EST, [EMAIL PROTECTED] writes: > How would these numbers relate if the preview were rotated? They don't - they're relative to the unrotated position. I'm fairly sure most people will just leave this at the default values (-0.33, -0.33). >Knowledgabl

Re: filmscanners: VueScan 7.2.11 Available (new focus test)

On 12/5/01 8:40 AM, [EMAIL PROTECTED] <[EMAIL PROTECTED]>, wrote: >In a message dated 12/5/2001 8:33:39 AM EST, [EMAIL PROTECTED] >writes: > >> How would these numbers relate if the preview were rotated? > >They don't - they're relative to the unrotated position. I've already cast my vote for a

Re: filmscanners: VueScan 7.2.11 Available (new focus test)

If x-y coordinates are to be used, the upper left corner coordinates should be identified as '-1, +1'. Regards, John. Julian Vrieslander wrote: --snip > > I'm not sure that I understand your explanation above. In an earlier > message you said that (-1, -1) would be used for the upper left co

Re: filmscanners: VueScan 7.2.11 Available (new focus test)

On 12/5/01 7:23 PM, John Rylatt <[EMAIL PROTECTED]>, wrote: >If x-y coordinates are to be used, the upper left corner coordinates >should be identified >as '-1, +1'. That's the convention for mathematical graphing, sure. In programming environments, it's common to define axes so that the down

filmscanners: Re: filmscanners: VueScan 7.2.11 Available (new focus test)

Julian wrote: > Maybe we should ask Ed to use complex numbers (x +iy) > to represent the focus points I doubt that many folks on the list would have heard of imaginary numbers, but I could be wrong - there's a few electrical engineers out there I think! Rob Rob Geraghty [EMAIL PROTECTED]

Re: filmscanners: Re: filmscanners: VueScan 7.2.11 Available (new focus test)

And mathematicians. And as a maverick Aero engineer, I knew about them too. Hersch At 03:55 PM 12/06/2001 +1000, you wrote: >Julian wrote: > > Maybe we should ask Ed to use complex numbers (x +iy) > > to represent the focus points > >I doubt that many folks on the list would have heard of im

Re: filmscanners: Re: filmscanners: VueScan 7.2.11 Available (new focus test)

, December 06, 2001 12:55 AM Subject: filmscanners: Re: filmscanners: VueScan 7.2.11 Available (new focus test) > Julian wrote: > > Maybe we should ask Ed to use complex numbers (x +iy) > > to represent the focus points > > I doubt that many folks on the list would have h

filmscanners: Re: filmscanners: Re: filmscanners: VueScan 7.2.11 Available (new focus test)

Brian wrote: >actually polar coordinates might be more applicable in this case. It still comes back to the question of - relative to what? The orientation according to the scanner, or that displayed on the screen? Having a graphical interface with the ability to click on a point is harder to co

Re: filmscanners: Re: filmscanners: Re: filmscanners: VueScan 7.2.11 Available (new focus test)

ject: filmscanners: Re: filmscanners: Re: filmscanners: VueScan 7.2.11 Available (new focus test) > Brian wrote: > >actually polar coordinates might be more applicable in this case. > > It still comes back to the question of - relative to what? The orientation > according to the scanner, or