Mars 64k ( nearly done )
Posted: 05.07.2004, 02:25
Some of you may remember that i was trying to build a 64k texture from the MOC data. This map didnt turn out the way i had planned mainly due to substantial amounts of the topology in the texture been relatively faded. It also proved immensely difficult to get it a nice martian colour( in fact i never suceeded).
However, i have recently been making another map from version 2.1 of the Mars Digital Image Mosaic.
http://astrogeology.usgs.gov/Projects/MDIM21/
This map has the same disadvantage of being black and white also. Though on the up side it has amazing levels of detail as evidenced below.
Its not much fun looking at a black and white texture though so i decided i'd try to colour it. This is when i came up with the idea of using an overlay texture for the task( admittedly Don Edwards idea of the cloud shadows texture may have inspired me a bit here ). Just using a 2k overlay texture the above image can be transformed into this...
I think the results are quite good. Here is a view from afar...
This is my first attempt at the overlay texture but already i think the colour is quite close to that of hubbles from the mars closest approach.
The actual overlay texure is heavily blurred version of Mario Rossi's first mars texture from space graphics. I'll try some others to see if i can make a better one.
I also made a new 4k cloud texture from Jims raw texture as the last one i made ( thats on my site) was rubbish.
The texture lines up perfectly with the mola data too so bump/normalmaps can be used with it.
Its not all rosey however as there are alot of flaws in the texture. It has been pieced together from many different sources and this is plainly visible in many places. For instance on just the other side of olympus mons from where the above pictures were taken you get to see this...
The error is clearly visible. None the less, hours can be wasted examining the whole texture and its massive detail.
When i'm done with the overlay texture i hope to upload it all to the new motherlode site.
Any comments are welcome. The images from MDIM are in jpg format so anyone can view them and see the quality ( good and bad ) of the texture for themselves.
However, i have recently been making another map from version 2.1 of the Mars Digital Image Mosaic.
http://astrogeology.usgs.gov/Projects/MDIM21/
This map has the same disadvantage of being black and white also. Though on the up side it has amazing levels of detail as evidenced below.
Its not much fun looking at a black and white texture though so i decided i'd try to colour it. This is when i came up with the idea of using an overlay texture for the task( admittedly Don Edwards idea of the cloud shadows texture may have inspired me a bit here ). Just using a 2k overlay texture the above image can be transformed into this...
I think the results are quite good. Here is a view from afar...
This is my first attempt at the overlay texture but already i think the colour is quite close to that of hubbles from the mars closest approach.
The actual overlay texure is heavily blurred version of Mario Rossi's first mars texture from space graphics. I'll try some others to see if i can make a better one.
I also made a new 4k cloud texture from Jims raw texture as the last one i made ( thats on my site) was rubbish.
The texture lines up perfectly with the mola data too so bump/normalmaps can be used with it.
Its not all rosey however as there are alot of flaws in the texture. It has been pieced together from many different sources and this is plainly visible in many places. For instance on just the other side of olympus mons from where the above pictures were taken you get to see this...
The error is clearly visible. None the less, hours can be wasted examining the whole texture and its massive detail.
When i'm done with the overlay texture i hope to upload it all to the new motherlode site.
Any comments are welcome. The images from MDIM are in jpg format so anyone can view them and see the quality ( good and bad ) of the texture for themselves.
