Created
November 12, 2015 12:42
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Strip tiles from http://acropolis-gis.ysma.gr/ (requires tweaking the code)
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| <!DOCTYPE HTML> | |
| <html> | |
| <head> | |
| <meta charset='utf-8'> | |
| </head> | |
| <body> | |
| <canvas id="canvas"></canvas> | |
| <script> | |
| /* | |
| reference: | |
| http://acropolis-gis.ysma.gr/sites/default/files/Walls/krpano.xml | |
| http://acropolis-gis.ysma.gr/sites/default/files/katopsi/krpano.xml | |
| eg.: http://orbitlab.s3.amazonaws.com/projects/katopsi/gigaorthos/East_Wall.tiles/l5/05_06.jpg | |
| */ | |
| // var set = 'http://orbitlab.s3.amazonaws.com/projects/katopsi/gigaorthos/East_Wall.tiles/l6/', w = 38500, h = 11000; | |
| // var set = 'http://orbitlab.s3.amazonaws.com/projects/katopsi/gigaorthos/East_Wall.tiles/l5/', w = 19250, h = 5500; | |
| var set = 'http://orbitlab.s3.amazonaws.com/projects/katopsi/gigaorthos/External_South_E0.tiles/l4/', w = 3720, h = 6144; | |
| var tile = 512; | |
| var cols = Math.ceil(w/tile) + 1, | |
| rows = Math.ceil(h/tile) + 1; | |
| var canvas = document.getElementById('canvas'); | |
| canvas.width = tile * cols; | |
| canvas.height = tile * rows; | |
| var img = canvas.getContext('2d'); | |
| var tiles = []; | |
| var i = 0; | |
| for (var r = 1; r < rows; r++) { | |
| for (var c = 1; c < cols; c++) { | |
| tiles[i] = new Image(); | |
| tiles[i].src = set + ('00' + r).slice(-2) + '_' + ('00' + c).slice(-2) + '.jpg'; | |
| //console.log(tiles[i].src); | |
| i++; | |
| } | |
| } | |
| alert('wait for it to load...'); | |
| var i = 0; | |
| for (var r = 1; r < rows; r++) { | |
| for (var c = 1; c < cols; c++) { | |
| img.drawImage(tiles[i], c * tile, r * tile); | |
| i++; | |
| } | |
| } | |
| // save canvas image as data url (png format by default) | |
| window.location = canvas.toDataURL(); | |
| </script> | |
| <noscript>enable javascript</noscript> | |
| </body> |
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