Commit cebddea1 authored by Neil Gershenfeld's avatar Neil Gershenfeld
Browse files

path rastering

parent 5ab55ea9
......@@ -227,26 +227,50 @@ function calculate_path() {
//
// line loop
//
var step = 1
var ix = 0
var iy = 10
var x1 = mod.xmin+(mod.xmax-mod.xmin)*ix/(mod.width-1)
var y1 = mod.ymin+(mod.ymax-mod.ymin)*iy/(mod.height-1)
var iy = mod.height-1
var dx = 1
var dy = 0
//var x2 = mod.xmin+(mod.xmax-mod.xmin)*ix/(mod.width-1)
//var y2 = mod.ymin+(mod.ymax-mod.ymin)*iy/(mod.height-1)
while (1) {
ix += step
if (ix == mod.width)
var ixp = ix
var iyp = iy
ix += dx
iy += dy
var line = document.createElementNS('http://www.w3.org/2000/svg','line')
line.setAttribute('stroke','black')
line.setAttribute('stroke-width',1)
line.setAttribute('stroke-linecap','round')
line.setAttribute('x1',ixp)
line.setAttribute('y1',iyp)
line.setAttribute('x2',ix)
line.setAttribute('y2',iy)
g.appendChild(line)
//var x2 = mod.xmin+(mod.xmax-mod.xmin)*ix/(mod.width-1)
//var y2 = mod.ymin+(mod.ymax-mod.ymin)*iy/(mod.height-1)
if (iy <= 0)
break;
var x2 = mod.xmin+(mod.xmax-mod.xmin)*ix/(mod.width-1)
var y2 = mod.ymin+(mod.ymax-mod.ymin)*iy/(mod.height-1)
var line = document.createElementNS('http://www.w3.org/2000/svg','line')
line.setAttribute('stroke','black')
line.setAttribute('stroke-width',1)
line.setAttribute('stroke-linecap','round')
line.setAttribute('x1',x1)
line.setAttribute('y1',y1)
line.setAttribute('x2',x2)
line.setAttribute('y2',y2)
g.appendChild(line)
if (ix == (mod.width-1)) {
if (dx == 1) {
dx = 0
dy = -10
}
else {
dx = -1
dy = 0
}
}
else if (ix == 0) {
if (dx == -1) {
dx = 0
dy = -10
}
else {
dx = 1
dy = 0
}
}
}
mod.label.nodeValue = 'calculate'
mod.labelspan.style.fontWeight = 'normal'
......
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