dickreckard/relearn-curved-slider-webpage
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Merge branch 'master' of ssh://vvvvvvaria.org:12345/varia/relearn-curved-slider-webpage

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manetta 2019-05-13 18:28:42 +02:00
commit 507cf54431
3 changed files with 149 additions and 10 deletions
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15
css/stylesheet.css
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@ -1,6 +1,6 @@
body{
position: relative;
margin:1em;
margin:0;
padding:0;
font-size: 120%;
line-height: 1.4;
@ -21,10 +21,10 @@ h1{
div#sliders{
position: fixed;
width: 1000px;
height: 500px;
width: 500px;
height: 400px;
top:60px;
left:340px;
right:100px;
}
div#slider{
float: left;
@ -45,3 +45,10 @@ div.controlpoint{
#rotterdam li{
list-style: none;
}
#curve {
padding : 1em;
height: 100vh;
overflow: scroll;
}

18
index.html
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@ -50,6 +50,21 @@
curve : { width:4, color:"#333", cap:"round" }
});
});
// scroll
$(document).ready(function() {
$('#slider').bind('slide.pathslider', function(event, slider){
var scrollPos = slider.percent * ( $('#curve')[0].scrollHeight - $(window).height() ) / 100
$('#curve').scrollTop(scrollPos);
});
$('#slider2').bind('slide.pathslider', function(event, slider){
var scrollPos = slider.percent * ( $('#curve')[0].scrollHeight - $(window).height() ) / 100
$('#curve').scrollTop(scrollPos);
});
});
</script>
<div id="curve">
@ -73,7 +88,7 @@
<p>7th, 8th & 9th of June 2019<br>
Varia, Rotterdam</p><br>
<p>For the Rotterdam control point on the Relearn curve, we propose to together attend to a <strong>subject zone</strong> (<strong>*</strong>) where different digital network practices intersect. This subject zone can morph into multiple directions throughout the session. Our specific interest is in how <strong>publishing formats</strong> (<strong>**</strong>) operate with/on/through this energy field.</p>
<p>For the Rotterdam control point on the Relearn curve, we propose to together attend to a <strong>subject zone</strong> (<strong>*</strong>) where different digital network practices intersect. This subject zone can morph into multiple directions throughout the session. Our specific interest is in how <strong>publishing formats</strong> (<strong>**</strong>) operate with/on/through this zone.</p>
<p><strong>*</strong> There are many questions in the air when we start to speak about digital infrastructures, hosters, servers, services, networks and their technical realities. Instead of picking one and diving deeper, we thought it would be more interesting to present a range and explore different vocabularies, protocols, technologies, infrastructures. We invite you to join Relearn to stretch this zone, starting from or moving towards:</p>
@ -133,4 +148,3 @@
</div>
</body>
</html>

118
index2.html Normal file
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@ -0,0 +1,118 @@
<!DOCTYPE html>
<html>
<!-- source: https://bl.ocks.org/mbostock/8027637 -->
<head>
<meta charset="utf-8">
<style>
path {
fill: none;
stroke: #000;
stroke-width: 8px;
}
line {
fill: none;
stroke: red;
stroke-width: 0;
}
circle {
fill: red;
}
rect {
fill: none;
cursor: crosshair;
pointer-events: all;
}
</style>
<body>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script>
var points = [[600,600],[600, 400],[300,300], [400, 600]];
var width = 960,
height = 500;
var line = d3.svg.line()
.interpolate("cardinal");
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
var path = svg.append("path")
.datum(points)
.attr("d", line);
var line = svg.append("line");
var circle = svg.append("circle")
.attr("cx", -10)
.attr("cy", -10)
.attr("r", 60);
var isDown = false;
svg.append("rect")
.attr("width", width)
.attr("height", height)
.on("mousedown", function(){
svg.on("mousemove", mousemoved);
})
.on("mouseup")
function mousemoved() {
var m = d3.mouse(this),
p = closestPoint(path.node(), m);
line.attr("x1", p[0]).attr("y1", p[1]).attr("x2", m[0]).attr("y2", m[1]);
circle.attr("cx", p[0]).attr("cy", p[1]);
}
function closestPoint(pathNode, point) {
var pathLength = pathNode.getTotalLength(),
precision = 8,
best,
bestLength,
bestDistance = Infinity;
// linear scan for coarse approximation
for (var scan, scanLength = 0, scanDistance; scanLength <= pathLength; scanLength += precision) {
if ((scanDistance = distance2(scan = pathNode.getPointAtLength(scanLength))) < bestDistance) {
best = scan, bestLength = scanLength, bestDistance = scanDistance;
}
}
// binary search for precise estimate
precision /= 2;
while (precision > 0.5) {
var before,
after,
beforeLength,
afterLength,
beforeDistance,
afterDistance;
if ((beforeLength = bestLength - precision) >= 0 && (beforeDistance = distance2(before = pathNode.getPointAtLength(beforeLength))) < bestDistance) {
best = before, bestLength = beforeLength, bestDistance = beforeDistance;
} else if ((afterLength = bestLength + precision) <= pathLength && (afterDistance = distance2(after = pathNode.getPointAtLength(afterLength))) < bestDistance) {
best = after, bestLength = afterLength, bestDistance = afterDistance;
} else {
precision /= 2;
}
}
best = [best.x, best.y];
best.distance = Math.sqrt(bestDistance);
return best;
function distance2(p) {
var dx = p.x - point[0],
dy = p.y - point[1];
return dx * dx + dy * dy;
}
}
</script>
<html>