一、画矩形，每个点不带高度，距离地表500米

viewer.entities.add({
                polygon: {
                    hierarchy: new Cesium.PolygonHierarchy(
                        Cesium.Cartesian3.fromDegreesArray(
                            [
                                113.34742631368005, 38.1066616874903,
                                113.34779274419935, 38.1022786524791,
                                113.35862863192612, 38.1029782894311,
                                113.35717374940154, 38.10801627463857
                            ]
                        )
                    ),
                    material: Cesium.Color.fromCssColorString('#f00'),
                    height: 500
                }
            });

 

• height：距离地表距离

二、画带高度的矩形，每个点都带高度，距离地表的高度取自每个点的高度

 viewer.entities.add({
                polygon: {
                    hierarchy: new Cesium.PolygonHierarchy(
                        Cesium.Cartesian3.fromDegreesArrayHeights(
                            [
                                113.3695158066395, 38.10294013762673, 100,
                                113.36754792663295, 38.09536196679693, 200,
                                113.3800395556131, 38.095568014125725, 300,
                                113.38035000390059, 38.10236754677722, 400
                            ]
                        )
                    ),
                    material: Cesium.Color.fromCssColorString('#f00'),
                    perPositionHeight: true,
                }
            });

• perPositionHeight：取每个点的高度，设置了perPositionHeight之后，height属性就无效

三：特殊应用：竖起来的面

 viewer.entities.add({
                polygon: {
                    hierarchy: new Cesium.PolygonHierarchy(
                        Cesium.Cartesian3.fromDegreesArrayHeights(
                            [
                                113.35355684432594, 38.088067028328254, 100,
                                113.36490826822829, 38.088193587605545, 100,
                                113.36490826822829, 38.088193587605545, 600,
                                113.35355684432594, 38.088067028328254, 600
                            ]
                        )
                    ),
                    material: Cesium.Color.fromCssColorString('#f00'),
                    perPositionHeight: true,
                }
            });

 

• 原理：取两组点，底下一组，上面一组，这两组点的经纬度相同，高度不同

 其他参考：

• 竖起来的圆：cesium实现竖立的圆-CSDN博客
• polygon高度：ceisum polygon 高度有关的参数_cesium中polygon的坐标高程值和height值有什么关系-CSDN博客