1.矢量分析，直接使用矢量的密度分析，分析保存为UDB的结果的话，输出结果为0，使用Desktop栅格分析的密度是有结果的，代码分析就没有。
下图是用Desktop做的
2. 使用栅格的密度分析的话，报空指针的异常
如上面的图的话，该怎么处理？？？矢量的密度分析按照官方文档进行代码编写，可以执行，但是没有结果。
使用栅格的分析方法的话报空指针，问题又出在哪里？
还是不可以，打印了所有参数都没有问题，换成Meter,Kilometer等都不行，还是报空指针，矢量的也计算不出结果。下面的是部分数据，您能帮我写个能正常出结果的DEMO吗？先谢谢了
经度,纬度 114.2897833,31.17156901 114.4008734,31.1685023 114.4326877,31.17164518 114.2984271,31.25769982 114.3864836,31.25662716 114.4293819,31.31069925 114.4310919,31.31234576 114.2599722,31.30207163 114.2686603,31.301659 114.330613,31.29665556 114.4208442,31.29653798 114.2931673,31.29054325 114.2928646,31.29042274 114.2931693,31.29051226 114.2930325,31.28950886 114.2926328,31.29155762 114.2928826,31.29038773 114.2938469,31.28717859 114.2921482,31.29294577 114.2931713,31.29054524 114.2931893,31.29043726 114.390585,31.2883626 114.2464876,31.25396117 114.3969605,31.25397856 114.3971006,31.25391356 114.2839611,31.24227189 114.3528801,31.2201557 114.3684773,31.22038626 114.3645416,31.21870435 114.36716,31.21654878 114.3686904,31.21701056 114.3685665,31.21763243 114.2287994,31.27593997 114.2682795,31.27755185 114.2749053,31.28002348 114.3676735,31.21666404 114.3672489,31.21630377 114.3635689,31.21571112 114.3649431,31.21908361 114.3746453,31.21706444 114.2707626,31.21374016 114.3609037,31.20839847 114.3653611,31.21453316 114.3925692,31.19613862 114.4158054,31.19887223 114.4186029,31.19833534 114.4020242,31.27716713 114.2796406,31.18019415 114.1293794,30.33866331 114.1260146,30.33680173 114.1312836,30.3375998 114.1312175,30.33714178 114.130959,30.33720945 114.1468762,30.34153402 114.1428077,30.34199045 114.1431855,30.34300689 114.1859877,30.34511584 114.1860138,30.34473394 114.2517888,30.33769376 114.2795308,30.33759035 114.2796237,30.33768624 114.2822518,30.3405109 114.2990989,30.34411397
