How to find all intersection points

[Erubey_Martinez]

I want to know the value of all the intersection points of the gendered lines through a GridMaterialProperty, the image shows what points

This is the code:

var viewer = new Cesium.Viewer(‘cesiumContainer’);

var entity = viewer.entities.add({

position: Cesium.Cartesian3.fromDegrees(-103.0, 40.0),

ellipse : {

semiMinorAxis : 250000.0,

semiMajorAxis : 400000.0,

material : Cesium.Color.BLUE.withAlpha(0.5)

}

});

entity.ellipse.material = new Cesium.GridMaterialProperty({

color : Cesium.Color.YELLOW,

cellAlpha : 0.2,

lineCount : new Cesium.Cartesian2(8, 1),

lineThickness : new Cesium.Cartesian2(2.0, 0.0)

});

viewer.zoomTo(viewer.entities);

var ellipse = entity.ellipse;

[omar]

There isn’t an easy way to do this, but I posted some thoughts here: https://groups.google.com/d/msg/cesium-dev/SbXp8dk1c4Y/bMXyFv7tBwAJ