Multiple positions in a SampledPositionProperty

CesiumJS
1

Hello,

I’m looking for help, I’m using a SampledPositionProperty with multiple position and date, the problem is that I just have the starting and end point of my travel…

Here is my code :

const path = Cesium.Cartesian3.fromDegreesArray([
    3.7576594754127517, 43.44211949417701,
    3.758013659020274, 43.44226360677331,
    3.758142332274086, 43.44238045457237,
    3.758138, 43.44235,
    3.75817, 43.442348,
    3.758281, 43.442462,
    3.758318, 43.442583,
    3.758343, 43.44331,
    3.758344, 43.443351,
    3.758337, 43.443462,
    3.758357, 43.443521,
    3.758391, 43.443591,
    3.758369, 43.443623,
    3.758342, 43.443711,
    3.758339, 43.443894,
    3.758336, 43.443974,
    3.758334, 43.444146,
    3.758331, 43.444261,
    3.758331, 43.444312,
    3.758292, 43.444344,
    3.758296, 43.444403,
    3.758308, 43.444601
]);

var now = new Cesium.JulianDate();

                var startDate = Cesium.JulianDate.fromIso8601(input.declaration_date);
                var lastDate = startDate;
                var lastPosition = batch.position.getValue(now);

                var position = new Cesium.SampledPositionProperty();
                position.addSample(startDate, lastPosition);

                for(var coordinate of path){
                    lastDate = Cesium.JulianDate.addSeconds(lastDate,
                        lastPosition.timeToReach(coordinate, settings.cesium.truckSpeed), now);
                    lastPosition = coordinate;

                    position.addSample(lastDate, coordinate);
                }

I’ve tried to print my position every time the for loop ended but it always shows 2 positions…

Thanks for your potentials feed back,
Vincent

2

The problem is using the same instance of Julian Date