Jim Blinn

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ILikeSaturn
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Jim Blinn

Post #1by ILikeSaturn » 07.04.2021, 17:07

Recently Jim Blinn released some of his textures from those old Voyager animations (they're 512x256 pixels in size because they're painted in a very old machine). You can get the maps here: jimblinn.com/magrathea.
Or get it in a list:
Jupiter
Io
Europa
Ganymede
Callisto
If you want to (try) to convert it back to its original, convert it to 8 bit (256 colors) and offset by half of its width.

Also I now have several reasons on why Jim Blinn took so long. I removed the older ones that didn't make sense:
    1. Trying to search for his old computers (which takes him a long time to get it back) and recovering the data/files from it.
    2. He books a flight every week to visit his workstation and collect the texture data, and then book a flight again to go back to his home. He stated that when he was working at JPL he booked a flight from Utah to California and then back to Utah. Due to the pandemic it takes longer for him to visit his workstation. (This one is the most reasonable one of all.)
And here's what the maps of Saturn and Uranus could look like when Jim Blinn releases them soon (it's a very rough draft):
saturnmaprecreation.jpg

uranusmaprecreation.jpg


Added after 7 hours 34 minutes:
I don't want to send him too much emails about the textures even if it takes a month for him to respond.

Added after 19 hours 38 minutes:
...aand Jim Blinn's site is down. Hope it's temporary.
Anyway he takes a minimum of 9 days to respond.
Last edited by ILikeSaturn on 13.04.2021, 14:43, edited 2 times in total.
You can meet me in Planet Texture Maps Wiki!: https://planet-texture-maps.fandom.com/wiki/User:ILikeSaturn
- ILikeSaturn
My website: https://sites.google.com/view/ilikesaturn
For some reason some of my maps in my website are low quality due to compression, so DM me for the actual maps.

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ILikeSaturn
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Post #2by ILikeSaturn » 11.04.2021, 03:02

I also used these textures for recreating the Voyager animations. Here's the Jupiter flyby movie I recreated in Celestia. (This one is still a rough draft and some parts are offset from the original video. It's also badly recorded in Celestia's built-in recorder.):
Voyager 2 Jupiter animation recreation.zip
(1.23 MiB) Downloaded 34 times

(I recommend you view the zipped video above in VLC because it doesn't play in the default video player.)
You can also view it in google drive: https://drive.google.com/file/d/1rdwlFTAydXpb7ZjKIYiZaysTS_Zgwg0b/view
preview.png

The Ganymede texture map was from a video Jim Blinn made recently. I resized it back to 512x256.
Once Jim Blinn finds the other texture maps next month, especially Saturn and Uranus, I might recreate the Saturn and Uranus flyby animations in Celestia. Right now they're replaced with placeholder textures.
You can meet me in Planet Texture Maps Wiki!: https://planet-texture-maps.fandom.com/wiki/User:ILikeSaturn
- ILikeSaturn
My website: https://sites.google.com/view/ilikesaturn
For some reason some of my maps in my website are low quality due to compression, so DM me for the actual maps.

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ILikeSaturn
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Post #3by ILikeSaturn » 14.04.2021, 02:47

Recreated Saturn's texture map again but with better coloring. I don't want you to use this map because the seam blending is pretty bad.
saturn map recreation.png
saturn map recreation.png (6.52 KiB) Viewed 1629 times


saturn recreation texture map.PNG
saturn recreation texture map.PNG (17.87 KiB) Viewed 1629 times

This is what the map looks like. You can find the map on my website but the seam blending is very bad. I also contacted Julian Gomez since he worked in the Voyager & Pioneer animations with Jim Blinn, but no response yet. He updated his website 1 week ago so he could be active but takes a while to respond.

Added after 12 minutes 1 second:
Not a texture map but this is the actual one made by Don Davis. It's cut almost halfway through and the screen is very dirty so it has these dust particles on it. I contrasted it to see the details better. There is a seam when you offset it but it's because of the picture being taken on a computer screen. The picture is from Jim Blinn's "How To Make a Planet" video.
saturn half.png


(I removed this part because it provides no use and I don't want Jim to get spam emails.)
Last edited by ILikeSaturn on 13.08.2021, 05:18, edited 2 times in total.
You can meet me in Planet Texture Maps Wiki!: https://planet-texture-maps.fandom.com/wiki/User:ILikeSaturn
- ILikeSaturn
My website: https://sites.google.com/view/ilikesaturn
For some reason some of my maps in my website are low quality due to compression, so DM me for the actual maps.

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ILikeSaturn
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Post #4by ILikeSaturn » 17.04.2021, 21:32

Here's a rough estimate of what the actual colors could look like:
color estimates.jpg

I compared it to another render of Saturn and used Jupiter's map as a reference. Saturn's texture map appears brighter than Jupiter's so I might post a better one.

Added after 29 minutes 10 seconds:
Here's a better one:
color estimates bright.jpg
You can meet me in Planet Texture Maps Wiki!: https://planet-texture-maps.fandom.com/wiki/User:ILikeSaturn
- ILikeSaturn
My website: https://sites.google.com/view/ilikesaturn
For some reason some of my maps in my website are low quality due to compression, so DM me for the actual maps.

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ILikeSaturn
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Post #5by ILikeSaturn » 19.04.2021, 11:28

I contacted Julian Gomez, who worked in the Voyager animations, and he told me this:
jegemail.PNG

The texture map files didn't contain image data and were in some "sensible form". The "History of the JPL Graphics Lab" project that he worked in is planning to reopen this summer and he might recover even more texture maps. You can watch the project here.

Added after 7 days 13 hours:
A new reply from him:
jegemail2.PNG

He says that he is unsure the Computer History Museum will recover the Voyager animation tapes, and he will still need to decode some type of data. (Could be the texture map data.)

Added after 14 days 15 hours:
Another new reply from him:
jegemail3.PNG

He's recovering the data/tapes as of right now, which are encoded by DEC Utility Software. (You can find it here, Ctrl+F and search "Digital Equipment Corporation".)
The texture maps and other decoded data might be released this Summer, and you don't have to worry about the decoding since he said that there are enough old DEC engineers in the area.

I attached the reconverted maps that Jim recovered for now below. Again, Jim exported it to JPEG, which changed some of the image's quality.
Jupiter.jpg

Io.jpg

Europa.jpg

Ganymede.jpg

callisto.jpg
You can meet me in Planet Texture Maps Wiki!: https://planet-texture-maps.fandom.com/wiki/User:ILikeSaturn
- ILikeSaturn
My website: https://sites.google.com/view/ilikesaturn
For some reason some of my maps in my website are low quality due to compression, so DM me for the actual maps.

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ILikeSaturn
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Post #6by ILikeSaturn » 13.06.2021, 06:12

Some unfortunate news...
jegemail4.PNG

The decoded data will not be released for an indefinite time, due to financial problems. :sad:
They have the tapes with the data, but they can't decode it because there is no funding for the tape reads.
I think we will have to wait until next year.
You can meet me in Planet Texture Maps Wiki!: https://planet-texture-maps.fandom.com/wiki/User:ILikeSaturn
- ILikeSaturn
My website: https://sites.google.com/view/ilikesaturn
For some reason some of my maps in my website are low quality due to compression, so DM me for the actual maps.

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ILikeSaturn
Posts: 22
Joined: 28.09.2020
With us: 1 year

Post #7by ILikeSaturn » 13.08.2021, 05:15

Another bad news... (and maybe some good news?...)
jegemail5.PNG

So I decided to email Julian again for an update on the tape reads.
Apparently, one of the tapes that was sent to prepare it for tape reading was destroyed on accident. Of course, the tapes are old and possibly in bad condition. Luckily, Jim Blinn has a bunch of floppy disks which have some of the data inside. But I don't know if reading the floppy disks are much cheaper than tape reads. I also don't know if the floppy disks contains the pre-Voyager texture maps, and if they're in good condition.

Added after 10 days 17 hours:
Another email from him..
jegemail6.PNG

Like I predicted before, the floppy disks are cheaper to read, but have smaller data than the tapes, which means there are many of them. He doesn't know where to host the decoded data, and he can't host them on the CHM's website. Since Jim is working on decoding on one of the floppies he might host some of the data on his website. He is also checking with NASA if the data can be published publicly.
You can meet me in Planet Texture Maps Wiki!: https://planet-texture-maps.fandom.com/wiki/User:ILikeSaturn
- ILikeSaturn
My website: https://sites.google.com/view/ilikesaturn
For some reason some of my maps in my website are low quality due to compression, so DM me for the actual maps.


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