I use Gcolor2 as a colorpicker in Linuxmint (in the repository you can download it).
So if I need to know the color (even in blender, because in the render window, you can’t see the RGB(256) values, only the float values) I run my dear colorpicker, and click on any part on the screen and I see the RGB values.
But seems it is not working well. If you go to this video where this guy says that glorious pic with the Moon and the Earth, was taken by some glorious Apollo mission. Try to colorpick on the Moon and you can see the RGB values are exactly the same. So you pick and it shows 81,81,81 and you pick in another place on that Moon and it shows 123,123,123
I probably have a bad working Gcolor2 app. Or perhaps there is something really wrong. Could it be the guy is saying a lie (perhaps without knowing it) and really we have a problem here? Eh Houston?
Can anyone explain. Please don’t start with some strange conspiracy. I want to solve my problem with Gcolor2, not to talk about conspiracies or anything that could make some moderator to close the thread (I would agree completly).
So, in short: Why Gcolor2 when colorpicking on the Moon it gives the three values exactly exactly exactly the same for each component?
This doesn’t happen in other (very few) photos from NASA. So I assume it is that Linux app are just a joke and very bad programmed.
If it is that, could someone point me for some app (probably from NASA) that shows me the real values of the Moon in that pic?
Watch the images from Kaguya japanese probe that was launched and orbitted the Moon. Put “kaguya moon” on google and colorpick there.
Also, as I said also in this forum, the Kaguya took a photo of Earth when it was some thousands of km away. And it is the only time you can see how Earth looks from space. If you can’t find it and are really interested I can post it again here. You can’t believe how Earth looks!!!
I still don’t follow. The Apollo one of the moon looks like a grayscale (black and white) photo. Grayscale images don’t have color information, so when you color pick them you get values like 81 81 81. I don’t understand what it has to do with Kaguya Moon pictures.
Dear xrg, do you see a color Earth above?
Are you perhaps saying it is a composite NASA did and not an actual image in color?
Don’t start with conspiracies here please. I am sure is the Gcolor2 app that is wrong.
Oh I see you’re talking about the first part of the video, I was looking at the one later in the video. Yeah I get similar grayscale results there too.
Well, seems you are unable to find kaguya images so let me help here:
It is not greyscale because you see a blue earth like in the NASA image. And the moon is completely differen. It looks in RGB as one would expect it.
Also it “feels” green. And that is something almost no one knows, and is completely correct. If you look to the image of the range of frequencies the Sun emits you see a maximum “hill” on the green.
Probably is the scanner don’t think (every photo NASA puts to the public from Apollo missions, is scanned).
So it seems they have several scanners and one always put the Moon in greyscale without affecting the Blue Earth on the sky. Well, science is complicated, I was not looking for an easy explanation.
Well, thanks. I know now my app was working well. I will try now some explanation from NASA to have a laugh.
Yeah, I think the same, since on mac, with the color picker from the system I get small different colors* directly from the youtube window in Safari (something like 103, 102, 104, a saturation of around 1/2%).
paolo
EDIT: *I mean also the Hue changes, not only saturation and luminosity
Lighting conditions can change so that doesn’t matter anyway. The Apollo missions were done in the 1960s so I don’t know the process they did to get color photos back then to know why the moon is grayscale. I have a telescope and I can look at the moon surface from my porch - last time I whipped it out was during a total eclipse and it was red.
What I can say is your color picker isn’t messed up.
paolo, here is my capture.
This seem serious, now we have that perhaps Macs are also flawed. Imagine, those machines that everyone talks about the exact precision they need to achieve the great precision images they do with those magnificent machines. Could them be flawed like that???
Paolo, in your answer you forgot the captured image I asked after your comment. Or you were wrong here or your Mac is a piece of junk. Can some other Mac user confirm and upload a capture to define what version of Mac OSX is a piece of junk? It could be also the browser. Is it firefox as mine is?
We call this a “dialogo de besugos” in my country sourvinos.
Obviously I am talking of a capture of the video to see you have a working Mac and it was just you doing something wrong (I have my guess here).
