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I'd like to transform an image so that it can be mounted on a sphere. I'd like to use an image of a map (see the One Piece world map on the image), but it could be anything. Here is a kind of Family Picnic Photo that I could use, (this isn't my family, is just a Google result). I'd like to do this as a gift for my cousin on his birthday. I'm beginner on photo processing and manipulation and normally I use Linux, but every suggestion is welcome.

One Piece World Map

I would like a way to transform this image or photo into a "globular" image/photo, to put on something like this:

Real World Map

Is there any software that can do this for me? If not, how would I go about computing the necessary slices of my image to fit?

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  • \$\begingroup\$ Can you give a practical example of how this might really be useful for something other than a map? \$\endgroup\$
    – mattdm
    Commented Nov 19, 2011 at 19:54
  • \$\begingroup\$ @mattdm I'm thinking print a photo, if all family in a panoramic version and put it on a globe. I'm not sure if will works well but I'd like to try. \$\endgroup\$
    – GarouDan
    Commented Nov 19, 2011 at 20:01
  • \$\begingroup\$ Okay. :) Put that in the question, and I think we have no doubt as to its on-topicness. \$\endgroup\$
    – mattdm
    Commented Nov 19, 2011 at 20:02
  • \$\begingroup\$ This answer on GIS SE might be of interest \$\endgroup\$
    – Jakub Sisak GeoGraphics
    Commented Nov 19, 2011 at 23:39

3 Answers 3

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IP-Slicer perl script can create slices which can stuck together into a ball. You can define the number of slices.

The following command will create 12 slices, where the sphere circumference is 1500 pixels.

sphere-slicer.pl 12 1500 sampleimage.jpg

Sample input:

input for IP-Slicer

Output (12 images):

output1 output2 output3 output4 output5 output6 output7 output8 output9 output10 output11 output12

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  • \$\begingroup\$ Slick tool and, if he's on Linux, should be easy to get it going. \$\endgroup\$
    – Joanne C
    Commented Nov 19, 2011 at 21:39
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    \$\begingroup\$ @asalamon74 Very interesting. I think this solve my entire question. Really thanks. \$\endgroup\$
    – GarouDan
    Commented Nov 20, 2011 at 14:38
  • \$\begingroup\$ If I have a globe with x cm of perimeter, what the number of pixels of this globe? \$\endgroup\$
    – GarouDan
    Commented Nov 20, 2011 at 14:53
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    \$\begingroup\$ That depends on the printing. Check this question about dpi: photo.stackexchange.com/questions/2041/what-does-dpi-mean \$\endgroup\$
    – asalamon74
    Commented Nov 20, 2011 at 15:12
  • \$\begingroup\$ I have a little difficult to make this script works. But it runs ok to me now. Thx @asalamon74 . But it's unclear to me wich "sphere circumpherence" parameter pass to the script to print the image and fit it exactly on the globe. I had find this site and I got 1500 pixel (X) = 39.6875 centimeter, so your outputs it's for a globe with 39.7 cm of circumpherece? Am I need the dpi resolution of a image before run the script? Can you explain a bit more how to do this? =) \$\endgroup\$
    – GarouDan
    Commented Nov 22, 2011 at 10:22
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I found an interesting page offering both online and offline tools to create "gores" to be glued on a real sphere.

The most interesting is "USGS Daisy-Petal creator (requires .NET 2.0)", which creates "half gores" joined at the poles, thus making much easier to align and glue.

http://www.winski.net/?page_id=7

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GIMP has an extension called MathMap that can do this, too.

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    \$\begingroup\$ welcome to photo.stackexchange. A longer answer would be better, tells us how you use MathMap for example. \$\endgroup\$
    – Paul Cezanne
    Commented Sep 1, 2014 at 16:53
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    \$\begingroup\$ I agree that a longer answer would be better. For example, what are MathMaps's capabilities and limitations? \$\endgroup\$
    – JenSCDC
    Commented Sep 1, 2014 at 17:08

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