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2006-03-15 by xun wang
crop the target up in photoshop to 4x6, print them out with the printer and stich them back with a tape to read the patches. xun ... -- ... xun911@gmail.com
2006-03-15 by eieiomoomooheremoomoothere
How would you profile the Epson Picture Mate Printer? I ask because you can only print a sheet that is 4x6 in size, that would mean a very small sheet to read
2006-03-15 by Kris
To all -- Can someone take the lead to gather the info about this subject, and summarize it? I would do it, but I have only one-display systems except for one
2006-03-15 by lowlife_inc
bertha8it s post made me reevaluate my assumptions. On a dualhead AGP card under Windows XP you do need to use the windows control panel color applet loader in
2006-03-15 by lowlife_inc
... can also be ... computers ... computer. So ... That is excellent. I wouldn t figure it out by myself. ... monitor ... understand ... profile ... I know
2006-03-15 by bertha8it
A am able to use the Spyder2Pro to calibrate my 2 monitors that are both attached to an Nvidia AGP video card running under Windows XP. I have an LCD and a CRT
2006-03-15 by CDTobie@aol.com
... White point and luminance levels are functions of the calibration, so you can t just measure them, you need to calibrate to obtain them (adjusting the
2006-03-15 by CDTobie@aol.com
... Glad thats a step forward; but thats really a matter of calibrating the monitors to match, not having individual profiles assigned for them. However, with
2006-03-15 by CDTobie@aol.com
... Windows does not support this, in the sense that it often does not provide two distinct profiles for the two monitors. So when an application like
2006-03-14 by lowlife_inc
Come to think of it for dual monitor calibration it would be nice to include a standalone Measure function in the software, that would just measure the white
2006-03-14 by lowlife_inc
Well, theoretical discussions aside I figured out the solution that works for me for the time being. The problem was the white point in my case. For LCD native
2006-03-14 by lowlife_inc
Having two identical monitors look the same is not useless even though Photoshop will only see the profile of only one of them. After initial calibration they
2006-03-14 by CDTobie@aol.com
... If Photoshop and other apps can t access the profiles, then its useless for most users; thats the whole point of dual monitor support... C. David Tobie
2006-03-14 by CDTobie@aol.com
... Even many dual CLUT cards cannot be used with two distinct profiles under Windows. C. David Tobie Product Technology Manager ColorVision Business Unit
2006-03-14 by CDTobie@aol.com
... The dual PCIe cards we have tested to date all support dual profiles, but that does not guarantee they all will. C. David Tobie Product Technology Manager
2006-03-14 by lowlife_inc
Still, the fact is LUT loader (either colorvision s or microsoft s) loads appropriately. To test it just create an intentionally distorted profile - it will
2006-03-14 by Tom
... see your ... profiles ... So the card only has one CLUT?
2006-03-14 by lowlife_inc
Thanks for the explanation. Do all PCIe card appear as two separate devices or it depends on the drivers?
2006-03-14 by CDTobie@aol.com
... I ve said this about as many ways as I can. Assigning a profile to a device via an OS call requires that Windows see it as a seperate device. If it does
2006-03-14 by xun wang
... I think you re right. It turns out that the 9800 pro has one GPA, but has two seperate DACa. So in case if somebody is wondering if your dual head graphic
2006-03-14 by CDTobie@aol.com
... The buttons are not active, unless you choose them. The reason for this is that some hot-rod color geek is going to test the quality of our profiles,
2006-03-14 by lowlife_inc
Oh, OK. I was considering getting two videocards for my next system, but if PCIe works OK I guess one would be enough. I know the applet is not perfect (and
2006-03-14 by CDTobie@aol.com
... Why do raw RGB values blasted to your screen look different that Lab values measured from your printer, converted back to RGB? Too many reasons to list...
2006-03-14 by lowlife_inc
... profiles ... You can assign appropriate profiles and load appropriate LUTs on startup, which is all most people would need.... Which part of it would t
2006-03-14 by CDTobie@aol.com
... There was much disappointment when that applet was released, and it did not magically fix the dual head, two profile issue for many video cards and
2006-03-14 by lowlife_inc
... I believe this statement is incorrect. I think most modern videocards would support two - although I m not a technician. If your calibration software
2006-03-14 by CDTobie@aol.com
... Unfortunately this is not exactly true. If you can t get Windows to see your dual head video card as two devices... you simply can t use distinct profiles
2006-03-14 by randy
Just darker. Why? Randy
2006-03-14 by randy
How did these buttons get preset already? Randy Laskody
2006-03-14 by xun wang
It ll probably work the same without the CCPA. I m not using the CCPA and having two different profile loaded on two LCDs from a single graphic card. ... --
2006-03-14 by lowlife_inc
Thank you, I ll try that. Tipically in Windows XP to assign separate profiles on a dualhead card one would need to download a Color Control Panel Applet from
2006-03-14 by CDTobie@aol.com
... Then targeting the same luminance values on both would be the first step. Being sure that Windows is using separate profiles for each would be a good thing
2006-03-14 by xun wang
Yes that s exactly what I m doing. Supposedly windows doesn t support multiple monitor profiling. But obviously that s been proven wrong. though I would like
2006-03-14 by lowlife_inc
... It works for me. Colorvision installs a utility in Startup folder that loads separate profiles for both monitors. However, even if dual monitors were not
2006-03-14 by lowlife_inc
Thanks for the replies. The monitors are identical Dell LCD monitors connected via DVI to a dual DVI Nvidia Geforce AGP videocard. I am able to calibrate both,
2006-03-14 by randy
So I can profile 2 crt monitors on one dual head video card? or not? and have it all work right? Randy
2006-03-14 by CDTobie@aol.com
... Actually, with Spyer2PRO, you get a choice of all the available monitors and projectors to choose from at the beginning of the wizard workflow. No dragging
2006-03-14 by Tom
... Just be careful that the background behind each monitor is the same (color, ambient light etc.) I m reading that the background has a measurable effect.
2006-03-14 by xun wang
On my PC running XP Pro with i1 Display2, all i had to do is drag the calibration application to the other window, then it ll automatically profile the
2006-03-14 by CDTobie@aol.com
... The Lab values are measured values. As the autoforward moves the active patch to the next unmeasured patch, there are never an Lab numbers to display. Use
2006-03-14 by CDTobie@aol.com
... Yes, but its the overall pattern you are looking for, that one patch doesn t turn an odd color, or jump in a different direction than the others... C.
2006-03-14 by David Miller
... It will only show you measurements when you have measurements. If you move the cursor to a patch which is empty (will be white), then there are no
2006-03-14 by CDTobie@aol.com
... The spot measure tool is not a color managed window. If you type the same Lab values into Photoshop, you will indeed see a lighter color. We may choose to
2006-03-14 by randy
oh I get it. you have to back up to see the measued values. Randy
2006-03-14 by Tom
... The ??? values show when you haven t yet measured a patch. Try hitting the back arrow to look at the patch you have just read :-)
2006-03-14 by randy
I just tried this and am not showing a lab reading at all. Just a line of ???,???,??? Randy Laskody
2006-03-14 by CDTobie@aol.com
... The unprofiled RGB values are the numbers that were sent out to the printer (the red patch would be 255, 0, 0) while the Lab values relate to the
2006-03-14 by Tom
... Heh ... its okay. We all did the same thing. The unit is very solid!
2006-03-14 by randy
I tried this and a few dozen patches get a lot darker. ????? Randy Laskody
2006-03-14 by MGochnauer
Thanks. Your procedure and conclusions make perfectly good sense... but when I am trying out a completely new system that I must learn from the bottom up, I