您好,您可以参考这个示例http://support.supermap.com.cn:8090/iserver/iClient/for3D/plugin/samplecode/samplecode/samples/Query3D/QueryService.html
在场景中没法用marker图层,在场景里你可以把结果显示在跟踪图层(trackinglayer)或者kml图层上显示,建议您在trackinglayer上显示。给您提供几个示例,里面有您可以用到的代码:
http://support.supermap.com.cn:8090/iserver/iClient/for3D/plugin/samplecode/samplecode/samples/Query3D/Hittest.html
http://support.supermap.com.cn:8090/iserver/iClient/for3D/plugin/samplecode/default.html
谢谢,辛苦了