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Beautiful new moon height data

Started by Oshyan, November 22, 2011, 10:24:12 PM

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freelancah

#15
November 27, 2011, 08:03:34 PM
I figured out how to convert to png..Ofcourse you still need to compile the blocks but img2png (here: http://www.mmedia.is/bjj/utils/img2png/#download ) and remember to download the index file like it says in the instruction or your conversion wont work... I could compile and host the file if someone wants it but I cant keep such big files on my FTP for long..so anyone willing to host it permanently?

Oshyan

#16
November 27, 2011, 08:51:23 PM
That sounds promising, the only problem is I think PNG is 8bit/channel only, so you'll likely be losing accuracy. 16 bit TIFF or EXR would be better, if possible. I'm not sure a general purpose image editor/converter will be able to do that. I'm guessing Global Mapper or a similar GIS format app would be able to handle it though.

- Oshyan

JimB

#17
November 28, 2011, 05:01:53 AM Last Edit: November 28, 2011, 05:06:44 AM by JimB
Very nice dataset. Here it is plus an albedo map and a touch of power fractal detail displacement (mostly for the completely smooth areas).
Some bits and bobs
The Galileo Fallacy, 'Argumentum ad Galileus':
"They laughed at Galileo. They're laughing at me. Therefore I am the next Galileo."
Nope. Galileo was right for the simpler reason that he was right.

JimB

#18
November 28, 2011, 06:04:03 AM
Quote from: Oshyan on November 27, 2011, 08:51:23 PM
That sounds promising, the only problem is I think PNG is 8bit/channel only, so you'll likely be losing accuracy. 16 bit TIFF or EXR would be better, if possible. I'm not sure a general purpose image editor/converter will be able to do that. I'm guessing Global Mapper or a similar GIS format app would be able to handle it though.

- Oshyan

The 64 px/deg Global DEM tiff I downloaded turned out to be a regular 8-bit rgb tiff (loads straight into Photoshop with full range, and you can see the expected 8-bit quantising/stepping when zoomed in in TG2). Am I missing something?
Some bits and bobs
The Galileo Fallacy, 'Argumentum ad Galileus':
"They laughed at Galileo. They're laughing at me. Therefore I am the next Galileo."
Nope. Galileo was right for the simpler reason that he was right.

Matt

#20
November 28, 2011, 06:24:23 PM
Oshyan, the IMG2PNG page says that it can output 16 bit PNGs when applicable.
Just because milk is white doesn't mean that clouds are made of milk.

Oshyan

#21
November 29, 2011, 01:08:13 AM
I didn't even know PNG supported 16bit/channel! Does TG2? ;) I'll check it out. Jim, I believe the IMG/PDS files would be 16bit/channel.

Great results guys, improving on mine in every way. :)

- Oshyan
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