想要矢量化，出现空间参考与数据框不匹配
在做三维建模。已经用所做的TIN将截的图拉伸，想要做建筑物的矢量化，可是总出现空间参考与数据框不匹配，百度说需要转投影，看了一下底图坐标为自定义Popular_Visualisation_CRS_Mercator（一打开就是这个坐标系，我没有做改变），想转为WGS_1984_Web_Mercator，求大神解惑，存不存在问题截的图是自定义坐标系：参数如下：
Popular_Visualisation_CRS_Mercator
授权: 自定义
Projection: Mercator
false_easting: 0.0
false_northing: 0.0
central_meridian: 0.0
standard_parallel_1: 0.0
Linear Unit: Meter (1.0)
Geographic Coordinate System: GCS_Popular_Visualisation_CRS
Angular Unit: Degree (0.0174532925199433)
Prime Meridian: Greenwich (0.0)
Datum: D_unknown
Spheroid: Unknown
Semimajor Axis: 6378137.0
Semiminor Axis: 6378137.0
Inverse Flattening: 0.0
想要转为：
WGS_1984_Web_Mercator
WKID: 3785 权限: EPSG
Projection: Mercator
False_Easting: 0.0
False_Northing: 0.0
Central_Meridian: 0.0
Standard_Parallel_1: 0.0
Linear Unit: Meter (1.0)
Geographic Coordinate System: GCS_WGS_1984_Major_Auxiliary_Sphere
Angular Unit: Degree (0.0174532925199433)
Prime Meridian: Greenwich (0.0)
Datum: D_WGS_1984_Major_Auxiliary_Sphere
Spheroid: WGS_1984_Major_Auxiliary_Sphere
Semimajor Axis: 6378137.0
Semiminor Axis: 6378137.0
Inverse Flattening: 0.0
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