Racquel is pursuing a career in Data Science & Information Visualization. She is a PhD student at Northeastern University.
Published
Edited
May 10, 2021
Importers
i_list = polygon_for_drawing(polygon_cleaned(input_vertices))
isMonotone_dict(i_dict)
function isMonotone_dict(points){
var keys = Object.keys(points)
var minx = points[keys[0]]
var maxx = points[keys[0]]
var vCount = 0
for(var i = 1; i < keys.length; i++){
if(minx.x > points[keys[i]].x){
minx = points[keys[i]]
}
if(maxx.x < points[keys[i]].x){
maxx = points[keys[i]]
}
}
var currx = minx.x
var now = (points[minx.v_edge].x != minx.x) ? "v" : "h"
var nextx = (now == "v") ? points[minx.v_edge] : points[minx.h_edge]
while(currx != maxx.x){
if(nextx.x < currx){
// vCount.push(nextx)
vCount++
}
currx = nextx.x
now = (now == "v") ? "h" :"v"
nextx = (now == "v") ? points[nextx.v_edge] : points[nextx.h_edge]
}
while(nextx.x != minx.x){
if(nextx.x > currx){
// vCount.push(nextx)
vCount++
}
currx = nextx.x
now = (now == "v") ? "h" :"v"
nextx = (now == "v") ? points[nextx.v_edge] : points[nextx.h_edge]
}
return (vCount <= 0)
}
// p1_list = [{name: "a", x: 49, y: 44, h_edge: "b", v_edge: "t"},
// {name: "b", x: 114, y: 44, h_edge: "a", v_edge: "c"},
// {name: "c", x: 110, y: 81, h_edge: "d", v_edge: "b"},
// {name: "d", x: 169, y: 81, h_edge: "c", v_edge: "e"},
// {name: "e", x: 169, y: 37, h_edge: "f", v_edge: "d"},
// {name: "f", x: 250, y: 37, h_edge: "e", v_edge: "g"},
// {name: "g", x: 250, y: 87, h_edge: "h", v_edge: "f"},
// {name: "h", x: 290, y: 87, h_edge: "g", v_edge: "i"},
// {name: "i", x: 295, y: 131, h_edge: "j", v_edge: "h"},
// {name: "j", x: 247, y: 131, h_edge: "i", v_edge: "k"},
// {name: "k", x: 247, y: 187, h_edge: "l", v_edge: "j"},
// {name: "l", x: 187, y: 187, h_edge: "k", v_edge: "m"},
// {name: "m", x: 187, y: 133, h_edge: "n", v_edge: "l"},
// {name: "n", x: 129, y: 133, h_edge: "m", v_edge: "o"},
// {name: "o", x: 129, y: 196, h_edge: "p", v_edge: "n"},
// {name: "p", x: 70, y: 196, h_edge: "o", v_edge: "q"},
// {name: "q", x: 66, y: 120, h_edge: "r", v_edge: "p"},
// {name: "r", x: 25, y: 120, h_edge: "q", v_edge: "s"},
// {name: "s", x: 25, y: 93, h_edge: "t", v_edge: "r"},
// {name: "t", x: 45, y: 93, h_edge: "s", v_edge: "a"}]
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