您好,我正在尝试构建一个学校项目的网络爬虫可视化工具。我决定使用Cytoscape.js,它的使用非常好。我遇到的问题是某些布局(圆形,宽度第一,同心)的边缘长度似乎太大,图形看起来很奇怪。Cytoscape.js布局边缘长度
当我第一次启动该应用程序,我手工制作和负载的曲线(这是一个树)有100个节点,并且看起来圆周布置好:
但是之后我进行网页抓取新图表(这一个有44个节点)不适合圆形视图:
有没有办法让这个工作,以便边缘不长,节点看起来更大?
编辑:
下面是我使用改变布局的代码:
changeLayout = function(layoutName, title, root){
var numOfNodes = cy.filter('node').length;
//extent changes when I repeatedly change the layout to circle, (don't understand this behavior)
var extent = cy.extent();
var rect = document.getElementById("cy-container").getBoundingClientRect();
var x1 = rect.left;
var x2 = rect.right;
var y1 = rect.top;
var y2 = rect.bottom;
var height = (y2 - y1);
var width = (x2 - x1);
var fact = (height < width) ? (height/numOfNodes) : (width/numOfNodes);
fact *= 5;
var myRadius = height < width ? (height-fact) : (width-fact);
switch(layoutName){
case 'circle':
myLayout = cy.makeLayout(
{ name: layoutName,
radius: myRadius,
boundingBox: {x1: x1, x2: x2, y1: y1, y2: y2},
fit: true,
avoidOverlap: false
});
break;
case 'concentric':
myLayout = cy.makeLayout(
{ name: layoutName,
height: height,
width: width,
fit: false,
avoidOverlap: true
});
break;
case 'breadthfirst':
myLayout = cy.makeLayout(
{ name: layoutName,
boundingBox: {x1: x1, x2: x2, y1: y1, y2: y2},
fit: true,
roots: root,
avoidOverlap: false
});
break;
default :
myLayout = cy.makeLayout(
{
name: layoutName
});
}
myLayout.run();
$('#graphTitle').text(title + " Layout");
};
这可能是各种各样的事情。它可能与布局功能相关联。你可以发布你所有的cytoscape代码,以便我们更好地理解这个问题吗? –