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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
> Yuan,
>
> Thank you for the support. However, there is still an issue.
>
> When I use your method, I do not get the error, but instead it calculates
> values that cannot be real in this context. All that is plotted on the
> station layout points are the numbers 1 and 65?? Furthermore, when I try and
> enter =pointPressure(ALTI, Altitude) in the Value parameter box, it gives me
> the previous error of:
>
> "making shapes
> Error generating symbol: =pointpressure(ALTI, Altitude)
> Real: Unit "null" must be convertable with Type default
> Unit "in"
>
> Do you have any idea on what is going on here? Station pressure values
> should be between 700 - 1000 mb.
>
> Thanks,
>
> Patrick
Patrick,
It looks like that we can not apply formula to the point data. The only
suggestion I have is to save the data to CSV format and do the calculation
outside the IDV.
Yuan
> ________________________________________
> From: Unidata IDV Support [address@hidden]
> Sent: Tuesday, July 24, 2012 9:46 PM
> To: Patrick C. Campbell
> Cc: address@hidden
> Subject: [IDV #OBF-724386]: Layout Model Editor Issue
>
> > Full Name: Patrick Campbell
> > Email Address: address@hidden
> > Organization: University of Wyoming
> > Package Version: 3.0u2 build date:2012-02-10 17:21 UTC
> > Operating System: Windows 7
> > Hardware: Java: home: C:\Program Files\IDV_3.0u2\jre version: 1.6.0_20
> > j3d:1.5.2 fcs (build4)
> > Description of problem: I am using the Mesowest chooser for station point
> > text plots, and it gives variables such as altimeter setting (ALTI) and
> > station altitude (Altitude). I am trying to do the simple equation in the
> > Layout Model Editor to convert to a station pressure, with the following
> > formula:
> >
> > =(ALTI * ((288 - 0.0065 * Altitude)/288)**5.2561)*33.8639 This equation
> > should give a station pressure in millibars, with altimeter in inHg and
> > Altitude in meters. This is indeed what is set.
> >
> > However, I get the following error:
> >
> > making shapes
> > Error generating symbol: =(ALTI * ((288 - 0.0065 *
> > Altitude)/288)**5.2561)*33.8639 Real: Unit "null"
> > must be convertable with Type default Unit "in"
> >
> > Clearly, IDV is having an issue with my units, but shouldn't it recognize
> > the units should be millibars? Is there a way around this?
> >
> > Thanks,
> >
> > Patrick
> >
> Patrick,
> What I am trying in the following step does work:
>
> 1) I define a local jython function:
> #
> def pointPressure(ALTI, Altitude):
> return (ALTI * ((288 - 0.0065 * Altitude)/288)**5.2561)*33.8639
>
> 2) in the layout model editor, I am changing the upper right corner value
> symbol, in the Value parameter box, I enter pointPressure(ALTI, Altitude),
> and the Unit box "Millibars", and so on..
>
> 3) save the layout model
>
> And I see no problem display the value, even though I am not sure if the
> value is corrected or not.
>
> Give it a try.
>
> Yuan
> >
> > making shapes
> > Error generating symbol: =(ALTI * ((288 - 0.0065 *
> > Altitude)/288)**5.2561)*33.8639 Real: Unit "null" must be convertable with
> > Type default Unit "in"
> >
> > ******************
> > Stack trace:
> > visad.UnitException: Real: Unit "null" must be convertable with Type
> > default Unit "in"
> > at visad.Real.<init>(Real.java:68)
> > at visad.Real.binary(Real.java:574)
> > at visad.DataImpl.binary(DataImpl.java:139)
> > at visad.DataImpl.multiply(DataImpl.java:205)
> > at visad.DataImpl.__mul__(DataImpl.java:1407)
> > at sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)
> > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> > at java.lang.reflect.Method.invoke(Unknown Source)
> > at
> > org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:186)
> > at
> > org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:204)
> > at org.python.core.PyObject.__call__(PyObject.java:404)
> > at org.python.core.PyObject.__call__(PyObject.java:408)
> > at org.python.core.PyMethod.__call__(PyMethod.java:124)
> > at org.python.core.PyMethod.__call__(PyMethod.java:115)
> > at org.python.core.PyObjectDerived.__mul__(PyObjectDerived.java:211)
> > at org.python.core.PyObject._basic_mul(PyObject.java:2229)
> > at org.python.core.PyObject._mul(PyObject.java:2215)
> > at org.python.pycode._pyx6737.f$0(<string>:1)
> > at org.python.pycode._pyx6737.call_function(<string>)
> > at org.python.core.PyTableCode.call(PyTableCode.java:165)
> > at org.python.core.PyCode.call(PyCode.java:18)
> > at org.python.core.Py.runCode(Py.java:1261)
> > at org.python.core.__builtin__.eval(__builtin__.java:484)
> > at org.python.core.__builtin__.eval(__builtin__.java:488)
> > at org.python.util.PythonInterpreter.eval(PythonInterpreter.java:190)
> > at
> > ucar.visad.display.StationModelDisplayable.evaluateCode(StationModelDisplayable.java:2028)
> > at
> > ucar.visad.display.StationModelDisplayable.makeShapes(StationModelDisplayable.java:1120)
> > at
> > ucar.visad.display.StationModelDisplayable.makeShapesFromPointObsField(StationModelDisplayable.java:914)
> > at
> > ucar.visad.display.StationModelDisplayable.makeNewDataWithShapes(StationModelDisplayable.java:697)
> > at
> > ucar.visad.display.StationModelDisplayable.setStationData(StationModelDisplayable.java:441)
> > at
> > ucar.unidata.idv.control.StationModelControl.loadData(StationModelControl.java:1718)
> > at
> > ucar.unidata.idv.control.StationModelControl.setStationModel(StationModelControl.java:2234)
> > at
> > ucar.unidata.idv.control.StationModelControl.handleChangedStationModel(StationModelControl.java:721)
> > at
> > ucar.unidata.idv.control.StationModelControl.propertyChange(StationModelControl.java:702)
> > at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
> > at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
> > at
> > ucar.unidata.util.ResourceManager.firePropertyChange(ResourceManager.java:771)
> > at ucar.unidata.util.ResourceManager.addUsers(ResourceManager.java:341)
> > at
> > ucar.unidata.ui.symbol.StationModelCanvas.doSave(StationModelCanvas.java:670)
> > at
> > ucar.unidata.ui.symbol.StationModelCanvas.doSave(StationModelCanvas.java:660)
> > at
> > ucar.unidata.ui.symbol.PropertiesDialog.actionPerformed(PropertiesDialog.java:264)
> > at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
> > at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
> > at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
> > at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
> > at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
> > at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
> > at java.awt.Component.processMouseEvent(Unknown Source)
> > at javax.swing.JComponent.processMouseEvent(Unknown Source)
> > at java.awt.Component.processEvent(Unknown Source)
> > at java.awt.Container.processEvent(Unknown Source)
> > at java.awt.Component.dispatchEventImpl(Unknown Source)
> > at java.awt.Container.dispatchEventImpl(Unknown Source)
> > at java.awt.Component.dispatchEvent(Unknown Source)
> > at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
> > at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
> > at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
> > at java.awt.Container.dispatchEventImpl(Unknown Source)
> > at java.awt.Window.dispatchEventImpl(Unknown Source)
> > at java.awt.Component.dispatchEvent(Unknown Source)
> > at java.awt.EventQueue.dispatchEvent(Unknown Source)
> > at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
> > at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
> > at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
> > at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> > at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> > at java.awt.EventDispatchThread.run(Unknown Source)
> >
> >
> > > Full Name: Patrick Campbell
> > Email Address: address@hidden
> > Organization: University of Wyoming
> > Package Version: 3.0u2 build date:2012-02-10 17:21 UTC
> > Operating System: Windows 7
> > Hardware: Java: home: C:\Program Files\IDV_3.0u2\jre version: 1.6.0_20
> > j3d:1.5.2 fcs (build4)
> > Description of problem: I am using the Mesowest chooser for station point
> > text plots, and it gives variables such as altimeter setting (ALTI) and
> > station altitude (Altitude). I am trying to do the simple equation in the
> > Layout Model Editor to convert to a station pressure, with the following
> > formula:
> >
> > =(ALTI * ((288 - 0.0065 * Altitude)/288)**5.2561)*33.8639 This equation
> > should give a station pressure in millibars, with altimeter in inHg and
> > Altitude in meters. This is indeed what is set.
> >
> > However, I get the following error:
> >
> > making shapes
> > Error generating symbol: =(ALTI * ((288 - 0.0065 *
> > Altitude)/288)**5.2561)*33.8639 Real: Unit "null"
> > must be convertable with Type default Unit "in"
> >
> > Clearly, IDV is having an issue with my units, but shouldn't it recognize
> > the units should be millibars? Is there a way around this?
> >
> > Thanks,
> >
> > Patrick
> >
> >
> > making shapes
> > Error generating symbol: =(ALTI * ((288 - 0.0065 *
> > Altitude)/288)**5.2561)*33.8639 Real: Unit "null" must be convertable with
> > Type default Unit "in"
> >
> > ******************
> > Stack trace:
> > visad.UnitException: Real: Unit "null" must be convertable with Type
> > default Unit "in"
> > at visad.Real.<init>(Real.java:68)
> > at visad.Real.binary(Real.java:574)
> > at visad.DataImpl.binary(DataImpl.java:139)
> > at visad.DataImpl.multiply(DataImpl.java:205)
> > at visad.DataImpl.__mul__(DataImpl.java:1407)
> > at sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)
> > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> > at java.lang.reflect.Method.invoke(Unknown Source)
> > at
> > org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:186)
> > at
> > org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:204)
> > at org.python.core.PyObject.__call__(PyObject.java:404)
> > at org.python.core.PyObject.__call__(PyObject.java:408)
> > at org.python.core.PyMethod.__call__(PyMethod.java:124)
> > at org.python.core.PyMethod.__call__(PyMethod.java:115)
> > at org.python.core.PyObjectDerived.__mul__(PyObjectDerived.java:211)
> > at org.python.core.PyObject._basic_mul(PyObject.java:2229)
> > at org.python.core.PyObject._mul(PyObject.java:2215)
> > at org.python.pycode._pyx6737.f$0(<string>:1)
> > at org.python.pycode._pyx6737.call_function(<string>)
> > at org.python.core.PyTableCode.call(PyTableCode.java:165)
> > at org.python.core.PyCode.call(PyCode.java:18)
> > at org.python.core.Py.runCode(Py.java:1261)
> > at org.python.core.__builtin__.eval(__builtin__.java:484)
> > at org.python.core.__builtin__.eval(__builtin__.java:488)
> > at org.python.util.PythonInterpreter.eval(PythonInterpreter.java:190)
> > at
> > ucar.visad.display.StationModelDisplayable.evaluateCode(StationModelDisplayable.java:2028)
> > at
> > ucar.visad.display.StationModelDisplayable.makeShapes(StationModelDisplayable.java:1120)
> > at
> > ucar.visad.display.StationModelDisplayable.makeShapesFromPointObsField(StationModelDisplayable.java:914)
> > at
> > ucar.visad.display.StationModelDisplayable.makeNewDataWithShapes(StationModelDisplayable.java:697)
> > at
> > ucar.visad.display.StationModelDisplayable.setStationData(StationModelDisplayable.java:441)
> > at
> > ucar.unidata.idv.control.StationModelControl.loadData(StationModelControl.java:1718)
> > at
> > ucar.unidata.idv.control.StationModelControl.setStationModel(StationModelControl.java:2234)
> > at
> > ucar.unidata.idv.control.StationModelControl.handleChangedStationModel(StationModelControl.java:721)
> > at
> > ucar.unidata.idv.control.StationModelControl.propertyChange(StationModelControl.java:702)
> > at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
> > at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
> > at
> > ucar.unidata.util.ResourceManager.firePropertyChange(ResourceManager.java:771)
> > at ucar.unidata.util.ResourceManager.addUsers(ResourceManager.java:341)
> > at
> > ucar.unidata.ui.symbol.StationModelCanvas.doSave(StationModelCanvas.java:670)
> > at
> > ucar.unidata.ui.symbol.StationModelCanvas.doSave(StationModelCanvas.java:660)
> > at
> > ucar.unidata.ui.symbol.PropertiesDialog.actionPerformed(PropertiesDialog.java:264)
> > at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
> > at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
> > at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
> > at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
> > at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
> > at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
> > at java.awt.Component.processMouseEvent(Unknown Source)
> > at javax.swing.JComponent.processMouseEvent(Unknown Source)
> > at java.awt.Component.processEvent(Unknown Source)
> > at java.awt.Container.processEvent(Unknown Source)
> > at java.awt.Component.dispatchEventImpl(Unknown Source)
> > at java.awt.Container.dispatchEventImpl(Unknown Source)
> > at java.awt.Component.dispatchEvent(Unknown Source)
> > at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
> > at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
> > at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
> > at java.awt.Container.dispatchEventImpl(Unknown Source)
> > at java.awt.Window.dispatchEventImpl(Unknown Source)
> > at java.awt.Component.dispatchEvent(Unknown Source)
> > at java.awt.EventQueue.dispatchEvent(Unknown Source)
> > at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
> > at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
> > at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
> > at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> > at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> > at java.awt.EventDispatchThread.run(Unknown Source)
> >
> >
> >
>
>
> Ticket Details
> ===================
> Ticket ID: OBF-724386
> Department: Support IDV
> Priority: Normal
> Status: Closed
>
>
>
Ticket Details
===================
Ticket ID: OBF-724386
Department: Support IDV
Priority: Normal
Status: Closed