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"""
Tools for matplotlib plot exporting
"""
def ipynb_vega_init():
"""Initialize the IPython notebook display elements
This function borrows heavily from the excellent vincent package:
http://github.com/wrobstory/vincent
"""
try:
from IPython.core.display import display, HTML
except ImportError:
print('IPython Notebook could not be loaded.')
require_js = '''
if (window['d3'] === undefined) {{
require.config({{ paths: {{d3: "http://d3js.org/d3.v3.min"}} }});
require(["d3"], function(d3) {{
window.d3 = d3;
{0}
}});
}};
if (window['topojson'] === undefined) {{
require.config(
{{ paths: {{topojson: "http://d3js.org/topojson.v1.min"}} }}
);
require(["topojson"], function(topojson) {{
window.topojson = topojson;
}});
}};
'''
d3_geo_projection_js_url = "http://d3js.org/d3.geo.projection.v0.min.js"
d3_layout_cloud_js_url = ("http://wrobstory.github.io/d3-cloud/"
"d3.layout.cloud.js")
topojson_js_url = "http://d3js.org/topojson.v1.min.js"
vega_js_url = 'http://trifacta.github.com/vega/vega.js'
dep_libs = '''$.getScript("%s", function() {
$.getScript("%s", function() {
$.getScript("%s", function() {
$.getScript("%s", function() {
$([IPython.events]).trigger("vega_loaded.vincent");
})
})
})
});''' % (d3_geo_projection_js_url, d3_layout_cloud_js_url,
topojson_js_url, vega_js_url)
load_js = require_js.format(dep_libs)
html = '<script>'+load_js+'</script>'
display(HTML(html))
|
