This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Huakui, Please upload a data sample to here: http://motherlode.ucar.edu/repository/alias/idvupload Let us know when the data are there. Best, Unidata IDV Support > Full Name: Huakui Liu > Email Address: address@hidden > Organization: Tsinghua University > Package Version: 5.2 build date:2015-08-26 18:19 UTC > Operating System: Windows 8.1 > Hardware: Java: home: C:\Program Files\IDV_5.2\jre version: 1.8.0_45 > j3d:1.6.0-pre9-daily-experimental daily > Description of problem: An error occured when I tried to creating point > cloud, using .txt site observation data, follwinng the tips of the User Guide. > Creating point cloud > visad.DoubleStringTuple cannot be cast to visad.RealTuple > > ****************** > Stack trace: > java.lang.ClassCastException: visad.DoubleStringTuple cannot be cast to > visad.RealTuple > at > ucar.unidata.data.point.PointObFactory.makePointCloud(PointObFactory.java:216) > at > ucar.unidata.data.point.TextPointDataSource.getDataInner(TextPointDataSource.java:2692) > at ucar.unidata.data.DataSourceImpl.getData(DataSourceImpl.java:2390) > at ucar.unidata.data.DirectDataChoice.getData(DirectDataChoice.java:332) > at ucar.unidata.data.DataChoice.getData(DataChoice.java:637) > at ucar.unidata.data.DataInstance.getData(DataInstance.java:243) > at ucar.unidata.data.DataInstance.getData(DataInstance.java:207) > at ucar.unidata.data.DataInstance.dataOk(DataInstance.java:295) > at > ucar.unidata.idv.control.DisplayControlImpl.checkIfDataOk(DisplayControlImpl.java:3169) > at > ucar.unidata.idv.control.DisplayControlImpl.initializeDataInstance(DisplayControlImpl.java:3312) > at > ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlImpl.java:3234) > at > ucar.unidata.idv.control.PointCloudControl.setData(PointCloudControl.java:704) > at ucar.unidata.idv.control.PointCloudControl.init(PointCloudControl.java:473) > at > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1402) > at > ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1085) > at ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.java:986) > at ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:911) > at ucar.unidata.util.Misc$3.run(Misc.java:1243) > > > Ticket Details =================== Ticket ID: ARD-685239 Department: Support IDV Priority: Normal Status: Closed