library(JuliaCall)julia_setup()Julia at location /Applications/Julia-0.6.app/Contents/Resources/julia/bin will be used.
Julia version 0.6.0 found.
Julia initiation...
Finish Julia initiation.
Loading setup script for JuliaCall...
Finish loading setup script for JuliaCall.
julia_console()It seems that you are not in the terminal. A simple julia console will be started.
Press ESC or CTRL+C to exit.
julia> sqrt(2)
julia> @doc sqrt
sqrt(x)Return DomainError for negative Real arguments. Use complex negative arguments instead. The prefix operator √ is equivalent to sqrt.
julia> exit
Exiting julia console.
julia_library("Gadfly")julia_command("Gadfly.plot(y = [1 2 3])") id="img-5c64a1a1">
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<p>]]> </script></p>
<script> <![CDATA[
(function (glob, factory) {
// AMD support
if (typeof define === "function" && define.amd) {
// Define as an anonymous module
define("Gadfly", ["Snap.svg"], function (Snap) {
return factory(Snap);
});
} else {
// Browser globals (glob is window)
// Snap adds itself to window
glob.Gadfly = factory(glob.Snap);
}
}(this, function (Snap) {
var Gadfly = {};
// Get an x/y coordinate value in pixels
var xPX = function(fig, x) {
var client_box = fig.node.getBoundingClientRect();
return x * fig.node.viewBox.baseVal.width / client_box.width;
};
var yPX = function(fig, y) {
var client_box = fig.node.getBoundingClientRect();
return y * fig.node.viewBox.baseVal.height / client_box.height;
};
Snap.plugin(function (Snap, Element, Paper, global) {
// Traverse upwards from a snap element to find and return the first
// note with the "plotroot" class.
Element.prototype.plotroot = function () {
var element = this;
while (!element.hasClass("plotroot") && element.parent() != null) {
element = element.parent();
}
return element;
};
Element.prototype.svgroot = function () {
var element = this;
while (element.node.nodeName != "svg" && element.parent() != null) {
element = element.parent();
}
return element;
};
Element.prototype.plotbounds = function () {
var root = this.plotroot()
var bbox = root.select(".guide.background").node.getBBox();
return {
x0: bbox.x,
x1: bbox.x + bbox.width,
y0: bbox.y,
y1: bbox.y + bbox.height
};
};
Element.prototype.plotcenter = function () {
var root = this.plotroot()
var bbox = root.select(".guide.background").node.getBBox();
return {
x: bbox.x + bbox.width / 2,
y: bbox.y + bbox.height / 2
};
};
// Emulate IE style mouseenter/mouseleave events, since Microsoft always
// does everything right.
// See: http://www.dynamic-tools.net/toolbox/isMouseLeaveOrEnter/
var events = ["mouseenter", "mouseleave"];
for (i in events) {
(function (event_name) {
var event_name = events[i];
Element.prototype[event_name] = function (fn, scope) {
if (Snap.is(fn, "function")) {
var fn2 = function (event) {
if (event.type != "mouseover" && event.type != "mouseout") {
return;
}
var reltg = event.relatedTarget ? event.relatedTarget :
event.type == "mouseout" ? event.toElement : event.fromElement;
while (reltg && reltg != this.node) reltg = reltg.parentNode;
if (reltg != this.node) {
return fn.apply(this, event);
}
};
if (event_name == "mouseenter") {
this.mouseover(fn2, scope);
} else {
this.mouseout(fn2, scope);
}
}
return this;
};
})(events[i]);
}
Element.prototype.mousewheel = function (fn, scope) {
if (Snap.is(fn, "function")) {
var el = this;
var fn2 = function (event) {
fn.apply(el, [event]);
};
}
this.node.addEventListener(
/Firefox/i.test(navigator.userAgent) ? "DOMMouseScroll" : "mousewheel",
fn2);
return this;
};
// Snap's attr function can be too slow for things like panning/zooming.
// This is a function to directly update element attributes without going
// through eve.
Element.prototype.attribute = function(key, val) {
if (val === undefined) {
return this.node.getAttribute(key);
} else {
this.node.setAttribute(key, val);
return this;
}
};
Element.prototype.init_gadfly = function() {
this.mouseenter(Gadfly.plot_mouseover)
.mouseleave(Gadfly.plot_mouseout)
.dblclick(Gadfly.plot_dblclick)
.mousewheel(Gadfly.guide_background_scroll)
.drag(Gadfly.guide_background_drag_onmove,
Gadfly.guide_background_drag_onstart,
Gadfly.guide_background_drag_onend);
this.mouseenter(function (event) {
init_pan_zoom(this.plotroot());
});
return this;
};
});
// When the plot is moused over, emphasize the grid lines.
Gadfly.plot_mouseover = function(event) {
var root = this.plotroot();
var keyboard_zoom = function(event) {
if (event.which == 187) { // plus
increase_zoom_by_position(root, 0.1, true);
} else if (event.which == 189) { // minus
increase_zoom_by_position(root, -0.1, true);
}
};
root.data("keyboard_zoom", keyboard_zoom);
window.addEventListener("keyup", keyboard_zoom);
var xgridlines = root.select(".xgridlines"),
ygridlines = root.select(".ygridlines");
xgridlines.data("unfocused_strokedash",
xgridlines.attribute("stroke-dasharray").replace(/(\d)(,|$)/g, "$1mm$2"));
ygridlines.data("unfocused_strokedash",
ygridlines.attribute("stroke-dasharray").replace(/(\d)(,|$)/g, "$1mm$2"));
// emphasize grid lines
var destcolor = root.data("focused_xgrid_color");
xgridlines.attribute("stroke-dasharray", "none")
.selectAll("path")
.animate({stroke: destcolor}, 250);
destcolor = root.data("focused_ygrid_color");
ygridlines.attribute("stroke-dasharray", "none")
.selectAll("path")
.animate({stroke: destcolor}, 250);
// reveal zoom slider
root.select(".zoomslider")
.animate({opacity: 1.0}, 250);
};
// Reset pan and zoom on double click
Gadfly.plot_dblclick = function(event) {
set_plot_pan_zoom(this.plotroot(), 0.0, 0.0, 1.0);
};
// Unemphasize grid lines on mouse out.
Gadfly.plot_mouseout = function(event) {
var root = this.plotroot();
window.removeEventListener("keyup", root.data("keyboard_zoom"));
root.data("keyboard_zoom", undefined);
var xgridlines = root.select(".xgridlines"),
ygridlines = root.select(".ygridlines");
var destcolor = root.data("unfocused_xgrid_color");
xgridlines.attribute("stroke-dasharray", xgridlines.data("unfocused_strokedash"))
.selectAll("path")
.animate({stroke: destcolor}, 250);
destcolor = root.data("unfocused_ygrid_color");
ygridlines.attribute("stroke-dasharray", ygridlines.data("unfocused_strokedash"))
.selectAll("path")
.animate({stroke: destcolor}, 250);
// hide zoom slider
root.select(".zoomslider")
.animate({opacity: 0.0}, 250);
};
var set_geometry_transform = function(root, tx, ty, scale) {
var xscalable = root.hasClass("xscalable"),
yscalable = root.hasClass("yscalable");
var old_scale = root.data("scale");
var xscale = xscalable ? scale : 1.0,
yscale = yscalable ? scale : 1.0;
tx = xscalable ? tx : 0.0;
ty = yscalable ? ty : 0.0;
var t = new Snap.Matrix().translate(tx, ty).scale(xscale, yscale);
root.selectAll(".geometry, image")
.forEach(function (element, i) {
element.transform(t);
});
bounds = root.plotbounds();
if (yscalable) {
var xfixed_t = new Snap.Matrix().translate(0, ty).scale(1.0, yscale);
root.selectAll(".xfixed")
.forEach(function (element, i) {
element.transform(xfixed_t);
});
root.select(".ylabels")
.transform(xfixed_t)
.selectAll("text")
.forEach(function (element, i) {
if (element.attribute("gadfly:inscale") == "true") {
var cx = element.asPX("x"),
cy = element.asPX("y");
var st = element.data("static_transform");
unscale_t = new Snap.Matrix();
unscale_t.scale(1, 1/scale, cx, cy).add(st);
element.transform(unscale_t);
var y = cy * scale + ty;
element.attr("visibility",
bounds.y0 <= y && y <= bounds.y1 ? "visible" : "hidden");
}
});
}
if (xscalable) {
var yfixed_t = new Snap.Matrix().translate(tx, 0).scale(xscale, 1.0);
var xtrans = new Snap.Matrix().translate(tx, 0);
root.selectAll(".yfixed")
.forEach(function (element, i) {
element.transform(yfixed_t);
});
root.select(".xlabels")
.transform(yfixed_t)
.selectAll("text")
.forEach(function (element, i) {
if (element.attribute("gadfly:inscale") == "true") {
var cx = element.asPX("x"),
cy = element.asPX("y");
var st = element.data("static_transform");
unscale_t = new Snap.Matrix();
unscale_t.scale(1/scale, 1, cx, cy).add(st);
element.transform(unscale_t);
var x = cx * scale + tx;
element.attr("visibility",
bounds.x0 <= x && x <= bounds.x1 ? "visible" : "hidden");
}
});
}
// we must unscale anything that is scale invariance: widths, raiduses, etc.
var size_attribs = ["font-size"];
var unscaled_selection = ".geometry, .geometry *";
if (xscalable) {
size_attribs.push("rx");
unscaled_selection += ", .xgridlines";
}
if (yscalable) {
size_attribs.push("ry");
unscaled_selection += ", .ygridlines";
}
root.selectAll(unscaled_selection)
.forEach(function (element, i) {
// circle need special help
if (element.node.nodeName == "circle") {
var cx = element.attribute("cx"),
cy = element.attribute("cy");
unscale_t = new Snap.Matrix().scale(1/xscale, 1/yscale,
cx, cy);
element.transform(unscale_t);
return;
}
for (i in size_attribs) {
var key = size_attribs[i];
var val = parseFloat(element.attribute(key));
if (val !== undefined && val != 0 && !isNaN(val)) {
element.attribute(key, val * old_scale / scale);
}
}
});
};
// Find the most appropriate tick scale and update label visibility.
var update_tickscale = function(root, scale, axis) {
if (!root.hasClass(axis + "scalable")) return;
var tickscales = root.data(axis + "tickscales");
var best_tickscale = 1.0;
var best_tickscale_dist = Infinity;
for (tickscale in tickscales) {
var dist = Math.abs(Math.log(tickscale) - Math.log(scale));
if (dist < best_tickscale_dist) {
best_tickscale_dist = dist;
best_tickscale = tickscale;
}
}
if (best_tickscale != root.data(axis + "tickscale")) {
root.data(axis + "tickscale", best_tickscale);
var mark_inscale_gridlines = function (element, i) {
var inscale = element.attr("gadfly:scale") == best_tickscale;
element.attribute("gadfly:inscale", inscale);
element.attr("visibility", inscale ? "visible" : "hidden");
};
var mark_inscale_labels = function (element, i) {
var inscale = element.attr("gadfly:scale") == best_tickscale;
element.attribute("gadfly:inscale", inscale);
element.attr("visibility", inscale ? "visible" : "hidden");
};
root.select("." + axis + "gridlines").selectAll("path").forEach(mark_inscale_gridlines);
root.select("." + axis + "labels").selectAll("text").forEach(mark_inscale_labels);
}
};
var set_plot_pan_zoom = function(root, tx, ty, scale) {
var old_scale = root.data("scale");
var bounds = root.plotbounds();
var width = bounds.x1 - bounds.x0,
height = bounds.y1 - bounds.y0;
// compute the viewport derived from tx, ty, and scale
var x_min = -width * scale - (scale * width - width),
x_max = width * scale,
y_min = -height * scale - (scale * height - height),
y_max = height * scale;
var x0 = bounds.x0 - scale * bounds.x0,
y0 = bounds.y0 - scale * bounds.y0;
var tx = Math.max(Math.min(tx - x0, x_max), x_min),
ty = Math.max(Math.min(ty - y0, y_max), y_min);
tx += x0;
ty += y0;
// when the scale change, we may need to alter which set of
// ticks is being displayed
if (scale != old_scale) {
update_tickscale(root, scale, "x");
update_tickscale(root, scale, "y");
}
set_geometry_transform(root, tx, ty, scale);
root.data("scale", scale);
root.data("tx", tx);
root.data("ty", ty);
};
var scale_centered_translation = function(root, scale) {
var bounds = root.plotbounds();
var width = bounds.x1 - bounds.x0,
height = bounds.y1 - bounds.y0;
var tx0 = root.data("tx"),
ty0 = root.data("ty");
var scale0 = root.data("scale");
// how off from center the current view is
var xoff = tx0 - (bounds.x0 * (1 - scale0) + (width * (1 - scale0)) / 2),
yoff = ty0 - (bounds.y0 * (1 - scale0) + (height * (1 - scale0)) / 2);
// rescale offsets
xoff = xoff * scale / scale0;
yoff = yoff * scale / scale0;
// adjust for the panel position being scaled
var x_edge_adjust = bounds.x0 * (1 - scale),
y_edge_adjust = bounds.y0 * (1 - scale);
return {
x: xoff + x_edge_adjust + (width - width * scale) / 2,
y: yoff + y_edge_adjust + (height - height * scale) / 2
};
};
// Initialize data for panning zooming if it isn't already.
var init_pan_zoom = function(root) {
if (root.data("zoompan-ready")) {
return;
}
// The non-scaling-stroke trick. Rather than try to correct for the
// stroke-width when zooming, we force it to a fixed value.
var px_per_mm = root.node.getCTM().a;
// Drag events report deltas in pixels, which we'd like to convert to
// millimeters.
root.data("px_per_mm", px_per_mm);
root.selectAll("path")
.forEach(function (element, i) {
sw = element.asPX("stroke-width") * px_per_mm;
if (sw > 0) {
element.attribute("stroke-width", sw);
element.attribute("vector-effect", "non-scaling-stroke");
}
});
// Store ticks labels original tranformation
root.selectAll(".xlabels > text, .ylabels > text")
.forEach(function (element, i) {
var lm = element.transform().localMatrix;
element.data("static_transform",
new Snap.Matrix(lm.a, lm.b, lm.c, lm.d, lm.e, lm.f));
});
var xgridlines = root.select(".xgridlines");
var ygridlines = root.select(".ygridlines");
var xlabels = root.select(".xlabels");
var ylabels = root.select(".ylabels");
if (root.data("tx") === undefined) root.data("tx", 0);
if (root.data("ty") === undefined) root.data("ty", 0);
if (root.data("scale") === undefined) root.data("scale", 1.0);
if (root.data("xtickscales") === undefined) {
// index all the tick scales that are listed
var xtickscales = {};
var ytickscales = {};
var add_x_tick_scales = function (element, i) {
xtickscales[element.attribute("gadfly:scale")] = true;
};
var add_y_tick_scales = function (element, i) {
ytickscales[element.attribute("gadfly:scale")] = true;
};
if (xgridlines) xgridlines.selectAll("path").forEach(add_x_tick_scales);
if (ygridlines) ygridlines.selectAll("path").forEach(add_y_tick_scales);
if (xlabels) xlabels.selectAll("text").forEach(add_x_tick_scales);
if (ylabels) ylabels.selectAll("text").forEach(add_y_tick_scales);
root.data("xtickscales", xtickscales);
root.data("ytickscales", ytickscales);
root.data("xtickscale", 1.0);
}
var min_scale = 1.0, max_scale = 1.0;
for (scale in xtickscales) {
min_scale = Math.min(min_scale, scale);
max_scale = Math.max(max_scale, scale);
}
for (scale in ytickscales) {
min_scale = Math.min(min_scale, scale);
max_scale = Math.max(max_scale, scale);
}
root.data("min_scale", min_scale);
root.data("max_scale", max_scale);
// store the original positions of labels
if (xlabels) {
xlabels.selectAll("text")
.forEach(function (element, i) {
element.data("x", element.asPX("x"));
});
}
if (ylabels) {
ylabels.selectAll("text")
.forEach(function (element, i) {
element.data("y", element.asPX("y"));
});
}
// mark grid lines and ticks as in or out of scale.
var mark_inscale = function (element, i) {
element.attribute("gadfly:inscale", element.attribute("gadfly:scale") == 1.0);
};
if (xgridlines) xgridlines.selectAll("path").forEach(mark_inscale);
if (ygridlines) ygridlines.selectAll("path").forEach(mark_inscale);
if (xlabels) xlabels.selectAll("text").forEach(mark_inscale);
if (ylabels) ylabels.selectAll("text").forEach(mark_inscale);
// figure out the upper ond lower bounds on panning using the maximum
// and minum grid lines
var bounds = root.plotbounds();
var pan_bounds = {
x0: 0.0,
y0: 0.0,
x1: 0.0,
y1: 0.0
};
if (xgridlines) {
xgridlines
.selectAll("path")
.forEach(function (element, i) {
if (element.attribute("gadfly:inscale") == "true") {
var bbox = element.node.getBBox();
if (bounds.x1 - bbox.x < pan_bounds.x0) {
pan_bounds.x0 = bounds.x1 - bbox.x;
}
if (bounds.x0 - bbox.x > pan_bounds.x1) {
pan_bounds.x1 = bounds.x0 - bbox.x;
}
element.attr("visibility", "visible");
}
});
}
if (ygridlines) {
ygridlines
.selectAll("path")
.forEach(function (element, i) {
if (element.attribute("gadfly:inscale") == "true") {
var bbox = element.node.getBBox();
if (bounds.y1 - bbox.y < pan_bounds.y0) {
pan_bounds.y0 = bounds.y1 - bbox.y;
}
if (bounds.y0 - bbox.y > pan_bounds.y1) {
pan_bounds.y1 = bounds.y0 - bbox.y;
}
element.attr("visibility", "visible");
}
});
}
// nudge these values a little
pan_bounds.x0 -= 5;
pan_bounds.x1 += 5;
pan_bounds.y0 -= 5;
pan_bounds.y1 += 5;
root.data("pan_bounds", pan_bounds);
root.data("zoompan-ready", true)
};
// drag actions, i.e. zooming and panning
var pan_action = {
start: function(root, x, y, event) {
root.data("dx", 0);
root.data("dy", 0);
root.data("tx0", root.data("tx"));
root.data("ty0", root.data("ty"));
},
update: function(root, dx, dy, x, y, event) {
var px_per_mm = root.data("px_per_mm");
dx /= px_per_mm;
dy /= px_per_mm;
var tx0 = root.data("tx"),
ty0 = root.data("ty");
var dx0 = root.data("dx"),
dy0 = root.data("dy");
root.data("dx", dx);
root.data("dy", dy);
dx = dx - dx0;
dy = dy - dy0;
var tx = tx0 + dx,
ty = ty0 + dy;
set_plot_pan_zoom(root, tx, ty, root.data("scale"));
},
end: function(root, event) {
},
cancel: function(root) {
set_plot_pan_zoom(root, root.data("tx0"), root.data("ty0"), root.data("scale"));
}
};
var zoom_box;
var zoom_action = {
start: function(root, x, y, event) {
var bounds = root.plotbounds();
var width = bounds.x1 - bounds.x0,
height = bounds.y1 - bounds.y0;
var ratio = width / height;
var xscalable = root.hasClass("xscalable"),
yscalable = root.hasClass("yscalable");
var px_per_mm = root.data("px_per_mm");
x = xscalable ? x / px_per_mm : bounds.x0;
y = yscalable ? y / px_per_mm : bounds.y0;
var w = xscalable ? 0 : width;
var h = yscalable ? 0 : height;
zoom_box = root.rect(x, y, w, h).attr({
"fill": "#000",
"opacity": 0.25
});
zoom_box.data("ratio", ratio);
},
update: function(root, dx, dy, x, y, event) {
var xscalable = root.hasClass("xscalable"),
yscalable = root.hasClass("yscalable");
var px_per_mm = root.data("px_per_mm");
var bounds = root.plotbounds();
if (yscalable) {
y /= px_per_mm;
y = Math.max(bounds.y0, y);
y = Math.min(bounds.y1, y);
} else {
y = bounds.y1;
}
if (xscalable) {
x /= px_per_mm;
x = Math.max(bounds.x0, x);
x = Math.min(bounds.x1, x);
} else {
x = bounds.x1;
}
dx = x - zoom_box.attr("x");
dy = y - zoom_box.attr("y");
if (xscalable && yscalable) {
var ratio = zoom_box.data("ratio");
var width = Math.min(Math.abs(dx), ratio * Math.abs(dy));
var height = Math.min(Math.abs(dy), Math.abs(dx) / ratio);
dx = width * dx / Math.abs(dx);
dy = height * dy / Math.abs(dy);
}
var xoffset = 0,
yoffset = 0;
if (dx < 0) {
xoffset = dx;
dx = -1 * dx;
}
if (dy < 0) {
yoffset = dy;
dy = -1 * dy;
}
if (isNaN(dy)) {
dy = 0.0;
}
if (isNaN(dx)) {
dx = 0.0;
}
zoom_box.transform("T" + xoffset + "," + yoffset);
zoom_box.attr("width", dx);
zoom_box.attr("height", dy);
},
end: function(root, event) {
var xscalable = root.hasClass("xscalable"),
yscalable = root.hasClass("yscalable");
var zoom_bounds = zoom_box.getBBox();
if (zoom_bounds.width * zoom_bounds.height <= 0) {
return;
}
var plot_bounds = root.plotbounds();
var zoom_factor = 1.0;
if (yscalable) {
zoom_factor = (plot_bounds.y1 - plot_bounds.y0) / zoom_bounds.height;
} else {
zoom_factor = (plot_bounds.x1 - plot_bounds.x0) / zoom_bounds.width;
}
var tx = (root.data("tx") - zoom_bounds.x) * zoom_factor + plot_bounds.x0,
ty = (root.data("ty") - zoom_bounds.y) * zoom_factor + plot_bounds.y0;
set_plot_pan_zoom(root, tx, ty, root.data("scale") * zoom_factor);
zoom_box.remove();
},
cancel: function(root) {
zoom_box.remove();
}
};
Gadfly.guide_background_drag_onstart = function(x, y, event) {
var root = this.plotroot();
var scalable = root.hasClass("xscalable") || root.hasClass("yscalable");
var zoomable = !event.altKey && !event.ctrlKey && event.shiftKey && scalable;
var panable = !event.altKey && !event.ctrlKey && !event.shiftKey && scalable;
var drag_action = zoomable ? zoom_action :
panable ? pan_action :
undefined;
root.data("drag_action", drag_action);
if (drag_action) {
var cancel_drag_action = function(event) {
if (event.which == 27) { // esc key
drag_action.cancel(root);
root.data("drag_action", undefined);
}
};
window.addEventListener("keyup", cancel_drag_action);
root.data("cancel_drag_action", cancel_drag_action);
drag_action.start(root, x, y, event);
}
};
Gadfly.guide_background_drag_onmove = function(dx, dy, x, y, event) {
var root = this.plotroot();
var drag_action = root.data("drag_action");
if (drag_action) {
drag_action.update(root, dx, dy, x, y, event);
}
};
Gadfly.guide_background_drag_onend = function(event) {
var root = this.plotroot();
window.removeEventListener("keyup", root.data("cancel_drag_action"));
root.data("cancel_drag_action", undefined);
var drag_action = root.data("drag_action");
if (drag_action) {
drag_action.end(root, event);
}
root.data("drag_action", undefined);
};
Gadfly.guide_background_scroll = function(event) {
if (event.shiftKey) {
increase_zoom_by_position(this.plotroot(), 0.001 * event.wheelDelta);
event.preventDefault();
}
};
Gadfly.zoomslider_button_mouseover = function(event) {
this.select(".button_logo")
.animate({fill: this.data("mouseover_color")}, 100);
};
Gadfly.zoomslider_button_mouseout = function(event) {
this.select(".button_logo")
.animate({fill: this.data("mouseout_color")}, 100);
};
Gadfly.zoomslider_zoomout_click = function(event) {
increase_zoom_by_position(this.plotroot(), -0.1, true);
};
Gadfly.zoomslider_zoomin_click = function(event) {
increase_zoom_by_position(this.plotroot(), 0.1, true);
};
Gadfly.zoomslider_track_click = function(event) {
// TODO
};
// Map slider position x to scale y using the function y = a*exp(b*x)+c.
// The constants a, b, and c are solved using the constraint that the function
// should go through the points (0; min_scale), (0.5; 1), and (1; max_scale).
var scale_from_slider_position = function(position, min_scale, max_scale) {
var a = (1 - 2 * min_scale + min_scale * min_scale) / (min_scale + max_scale - 2),
b = 2 * Math.log((max_scale - 1) / (1 - min_scale)),
c = (min_scale * max_scale - 1) / (min_scale + max_scale - 2);
return a * Math.exp(b * position) + c;
}
// inverse of scale_from_slider_position
var slider_position_from_scale = function(scale, min_scale, max_scale) {
var a = (1 - 2 * min_scale + min_scale * min_scale) / (min_scale + max_scale - 2),
b = 2 * Math.log((max_scale - 1) / (1 - min_scale)),
c = (min_scale * max_scale - 1) / (min_scale + max_scale - 2);
return 1 / b * Math.log((scale - c) / a);
}
var increase_zoom_by_position = function(root, delta_position, animate) {
var scale = root.data("scale"),
min_scale = root.data("min_scale"),
max_scale = root.data("max_scale");
var position = slider_position_from_scale(scale, min_scale, max_scale);
position += delta_position;
scale = scale_from_slider_position(position, min_scale, max_scale);
set_zoom(root, scale, animate);
}
var set_zoom = function(root, scale, animate) {
var min_scale = root.data("min_scale"),
max_scale = root.data("max_scale"),
old_scale = root.data("scale");
var new_scale = Math.max(min_scale, Math.min(scale, max_scale));
if (animate) {
Snap.animate(
old_scale,
new_scale,
function (new_scale) {
update_plot_scale(root, new_scale);
},
200);
} else {
update_plot_scale(root, new_scale);
}
}
var update_plot_scale = function(root, new_scale) {
var trans = scale_centered_translation(root, new_scale);
set_plot_pan_zoom(root, trans.x, trans.y, new_scale);
root.selectAll(".zoomslider_thumb")
.forEach(function (element, i) {
var min_pos = element.data("min_pos"),
max_pos = element.data("max_pos"),
min_scale = root.data("min_scale"),
max_scale = root.data("max_scale");
var xmid = (min_pos + max_pos) / 2;
var xpos = slider_position_from_scale(new_scale, min_scale, max_scale);
element.transform(new Snap.Matrix().translate(
Math.max(min_pos, Math.min(
max_pos, min_pos + (max_pos - min_pos) * xpos)) - xmid, 0));
});
};
Gadfly.zoomslider_thumb_dragmove = function(dx, dy, x, y, event) {
var root = this.plotroot();
var min_pos = this.data("min_pos"),
max_pos = this.data("max_pos"),
min_scale = root.data("min_scale"),
max_scale = root.data("max_scale"),
old_scale = root.data("old_scale");
var px_per_mm = root.data("px_per_mm");
dx /= px_per_mm;
dy /= px_per_mm;
var xmid = (min_pos + max_pos) / 2;
var xpos = slider_position_from_scale(old_scale, min_scale, max_scale) +
dx / (max_pos - min_pos);
// compute the new scale
var new_scale = scale_from_slider_position(xpos, min_scale, max_scale);
new_scale = Math.min(max_scale, Math.max(min_scale, new_scale));
update_plot_scale(root, new_scale);
event.stopPropagation();
};
Gadfly.zoomslider_thumb_dragstart = function(x, y, event) {
this.animate({fill: this.data("mouseover_color")}, 100);
var root = this.plotroot();
// keep track of what the scale was when we started dragging
root.data("old_scale", root.data("scale"));
event.stopPropagation();
};
Gadfly.zoomslider_thumb_dragend = function(event) {
this.animate({fill: this.data("mouseout_color")}, 100);
event.stopPropagation();
};
var toggle_color_class = function(root, color_class, ison) {
var guides = root.selectAll(".guide." + color_class + ",.guide ." + color_class);
var geoms = root.selectAll(".geometry." + color_class + ",.geometry ." + color_class);
if (ison) {
guides.animate({opacity: 0.5}, 250);
geoms.animate({opacity: 0.0}, 250);
} else {
guides.animate({opacity: 1.0}, 250);
geoms.animate({opacity: 1.0}, 250);
}
};
Gadfly.colorkey_swatch_click = function(event) {
var root = this.plotroot();
var color_class = this.data("color_class");
if (event.shiftKey) {
root.selectAll(".colorkey text")
.forEach(function (element) {
var other_color_class = element.data("color_class");
if (other_color_class != color_class) {
toggle_color_class(root, other_color_class,
element.attr("opacity") == 1.0);
}
});
} else {
toggle_color_class(root, color_class, this.attr("opacity") == 1.0);
}
};
return Gadfly;
}));
//@ sourceURL=gadfly.js
(function (glob, factory) {
// AMD support
if (typeof require === "function" && typeof define === "function" && define.amd) {
require(["Snap.svg", "Gadfly"], function (Snap, Gadfly) {
factory(Snap, Gadfly);
});
} else {
factory(glob.Snap, glob.Gadfly);
}
})(window, function (Snap, Gadfly) {
var fig = Snap("#img-5c64a1a1");
fig.select("#img-5c64a1a1-4")
.init_gadfly();
fig.select("#img-5c64a1a1-6")
.plotroot().data("unfocused_ygrid_color", "#D0D0E0")
;
fig.select("#img-5c64a1a1-6")
.plotroot().data("focused_ygrid_color", "#A0A0A0")
;
fig.select("#img-5c64a1a1-7")
.plotroot().data("unfocused_xgrid_color", "#D0D0E0")
;
fig.select("#img-5c64a1a1-7")
.plotroot().data("focused_xgrid_color", "#A0A0A0")
;
fig.select("#img-5c64a1a1-18")
.data("mouseover_color", "#CD5C5C")
;
fig.select("#img-5c64a1a1-18")
.data("mouseout_color", "#6A6A6A")
;
fig.select("#img-5c64a1a1-18")
.click(Gadfly.zoomslider_zoomin_click)
.mouseenter(Gadfly.zoomslider_button_mouseover)
.mouseleave(Gadfly.zoomslider_button_mouseout)
;
fig.select("#img-5c64a1a1-20")
.data("max_pos", 120.42)
;
fig.select("#img-5c64a1a1-20")
.data("min_pos", 103.42)
;
fig.select("#img-5c64a1a1-20")
.click(Gadfly.zoomslider_track_click);
fig.select("#img-5c64a1a1-21")
.data("max_pos", 120.42)
;
fig.select("#img-5c64a1a1-21")
.data("min_pos", 103.42)
;
fig.select("#img-5c64a1a1-21")
.data("mouseover_color", "#CD5C5C")
;
fig.select("#img-5c64a1a1-21")
.data("mouseout_color", "#6A6A6A")
;
fig.select("#img-5c64a1a1-21")
.drag(Gadfly.zoomslider_thumb_dragmove,
Gadfly.zoomslider_thumb_dragstart,
Gadfly.zoomslider_thumb_dragend)
;
fig.select("#img-5c64a1a1-22")
.data("mouseover_color", "#CD5C5C")
;
fig.select("#img-5c64a1a1-22")
.data("mouseout_color", "#6A6A6A")
;
fig.select("#img-5c64a1a1-22")
.click(Gadfly.zoomslider_zoomout_click)
.mouseenter(Gadfly.zoomslider_button_mouseover)
.mouseleave(Gadfly.zoomslider_button_mouseout)
;
});
</script>
julia_library("Plots")julia_command("gr()")Plots.GRBackend()
julia_command("Plots.plot(Plots.fakedata(50,5),w=3)")