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December 20, 2015 04:28
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Rotating globe tween from http://work.axismaps.com/amd/gc/oil/.
See it in action there by mousing over the bar chart. Code more or less ripped from examples like http://bl.ocks.org/mbostock/4183330, but on IE9 and IE10, especially on slower machines, countries that are supposed to rotate to the back of the globe and disappear have a tendency to …
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// map is at http://work.axismaps.com/amd/gc/oil/ | |
function move_globe( coords, animate, end ) | |
{ | |
if ( insetShowing ) return; | |
if( animate ) | |
{ | |
coords[ 1 ] = coords[ 1 ] > 30 ? 30 : | |
coords[ 1 ] < -30 ? -30 : | |
coords[ 1 ]; | |
d3.transition() | |
.duration( 500 ) | |
.tween( "rotate", function() | |
{ | |
var r = d3.interpolate( projection.rotate(), coords ); | |
return function( t ) | |
{ | |
projection.rotate( r( t ) ); | |
countries.selectAll( "path" ).attr( "d", path ); | |
insets.selectAll( "path" ).attr( "d", path ); | |
d3.select( "#insetOutlines" ).selectAll( "path" ).attr( "d", path ); | |
}; | |
}) | |
.each( "end", end || function(){} ); // Function to run at the end of the animation | |
} | |
else | |
{ | |
projection.rotate( coords ); | |
countries.selectAll( "path" ).attr( "d", path ); | |
insets.selectAll( "path" ).attr( "d", path ); | |
d3.select( "#insetOutlines" ).selectAll( "path" ).attr( "d", path ); | |
} | |
} |
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