Pre-Color Axial Tilt

Pre-Color Axial Tilt

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Mon Feb 1 03:23:38 2016   by   Jess
I just started messing around with the planet generator and had a quick suggestion. Have you ever considered adding in a way to rotate a created planet after its topology has been created but before the coloration and later features get applied? Say I've created a planet I really like the look of, it has all the right shapes and masses and sizes I want. I would like to use it; but the main large landmass is centered on one of the poles, and ideally it would have to be more temperate or even equatorial for the people/game in question. I would like to just tilt my newly created space marble 60 degrees on its side and use it like that (with the poles still being straight up and down). Since the contour lines, coloration, and some other features reference latitudes, I cant just use it as is and change me map coordinates (the grid lines are always going to meet there, and its going to be covered in ice). I'm thinking it would be relatively simple to add in a middle step that will give a chance to change the axial tilt before proceeding, that way the poles and colors and everything else will still be where they should be and the marble can be rotated underneath them. If I've not made my thoughts clear enough, please let me know and I will try better/again. And thanks again for the cool too. :)
 
Mon Feb 1 10:15:36 2016   by   Torben
It should certainly be possible and not too difficult.  I have a few other things I would like to add, but I have little time at the moment, so don't expect anything soon.  You are, of course, welcome to download the source code and add the feature yourself, and if it works well enough, I would be happy to add it to the official release (and the web interface).
 
Sat Feb 6 19:46:49 2016   by   Jess
I realized that while 1 axis of rotation would allow me to get the solution I was looking for; you would probably need 2 axises of rotation to give users ultimate control. Axis 1 running left-to-right across the screen and rotating the original "north pole" out towards the user (for positive integers) as I suggested above. Axis 2 running in-and-out of the screen (Z-axis) and rotating clockwise (for positive integers) This would allow you to reorient your planet any way you like before applying colors and grids and everything else (which uses up-down as north-south) No hurry, just some thoughts after using it abit. Thanks again for the tool.

P.S. Whenever I use the -O suffix it draws the gridlines in as white regardless of what else I do. I tried swapping .col files and eliminating all other suffixes just in case they were the issue, but with no luck. Using the -E with the white.col works fine, but at 30 times the file size.
 
Wed Mar 9 16:20:43 2016   by   Torben
I have now fixed the -O problem and added an option for pre-grid/colouring tilting.  This is activated by the option -T lo la, which moves that point at longitude lo and latitude la to become the new (0,0) point.  I had to tweak the generation method slightly to handle this (as there was a part that was not rotationally symmetric), so the same seed will give a different map.
 
Sun May 15 18:58:33 2016   by   Justcus
Anyway to get the map to have a transparent background and save as a PNG file?
 
Tue May 17 10:51:38 2016   by   Torben
There are no immediate plans for transparency or PNG.  WHat you can do is to define a colour map with an otherwise unused colour as background and then use external tools to convert this colour to transparent.
 

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