HLU API functions

NHLPERROR: The Fortran name of this function is NhlFPError.
Error handling functions for the HLU library.
NhlAddAnnotation: The Fortran name of this function is NhlFAddAnnotation.
This function adds an arbitrary View object to a plot object as an external annotation, and returns an AnnoManager object to manage it.
NhlAddData: The Fortran name of this function is NhlFAddData.
This function is used to associate a DataItem object with a data resource in a DataComm object.
NhlAddOverlay: The Fortran name of this function is NhlFAddOverlay.
This function adds an overlay plot member to a base plot.
NhlAppGetDefaultParentId: The Fortran name of this function is NhlFAppGetDefaultParentId.
This function retrieves the Id of the current default parent App object.
NhlChangeWorkstation: The Fortran name of this function is NhlFChangeWorkstation.
This function is used to change the Workstation parent of any graphical HLU object. It is provided as an access function to objects that are Base class.
NhlClassName: The Fortran name of this function is NhlFClassName.
Returns the name of the class of an object.
NhlClearWorkstation: The Fortran name of this function is NhlFClearWorkstation.
This function clears the drawing area of an instance of a Workstation object.
NhlClose: The Fortran name of this function is NhlFClose.
HLU library clean-up function.
NhlCreate: The Fortran name of this function is NhlFCreate.
This function is used to create an instance of any HLU object. It is provided as an access function to objects that are Base class.
NhlDataPolygon: The Fortran name of this function is NhlFDataPolygon.
Given arrays containing the X and Y coordinates of points in data coordinate space, this function outputs an immediate-mode polygon connecting each of the points.
NhlDataPolyline: The Fortran name of this function is NhlFDataPolyline.
Given arrays containing the X and Y coordinates of points in data coordinate space, this function outputs an immediate-mode polyline connecting each of the points.
NhlDataPolymarker: The Fortran name of this function is NhlFDataPolymarker.
Given arrays containing the X and Y coordinates of points in data coordinate space, this function outputs an immediate-mode marker at each of the points.
NhlDataToNDC: The Fortran name of this function is NhlFDataToNDC.
Given arrays containing the X and Y coordinates of points in data coordinate space, this function returns arrays containing the X and Y coordinates of the same points in NDC space.
NhlDestroy: The Fortran name of this function is NhlFDestroy.
This function is used to destroy an HLU object.
NhlDraw: The Fortran name of this function is NhlFDraw.
This function is used to make an HLU graphical object draw.
NhlErrAddTable: No corresponding Fortran function.
Error handling functions for the HLU library.
NhlErrClearMsgs: The Fortran name of this function is NhlFErrCleanMsgs.
Error handling functions for the HLU library.
NhlErrFPrintMsg: The Fortran name of this function is NhlFErrFPrintMsg.
Error handling functions for the HLU library.
NhlErrGetId: The Fortran name of this function is NhlFErrGetId.
Error handling functions for the HLU library.
NhlErrGetMsg: The Fortran name of this function is NhlFErrGetMsg.
Error handling functions for the HLU library.
NhlErrNumMsgs: The Fortran name of this function is NhlFErrNumMsgs.
Error handling functions for the HLU library.
NhlErrSPrintMsg: The Fortran name of this function is NhlFErrSprintMsg.
Error handling functions for the HLU library.
NhlFrame: The Fortran name of this function is NhlFFrame.
This function first updates and then clears the drawing area of an instance of a Workstation object.
NhlFree: No corresponding Fortran function.
Memory allocation functions.
NhlFreeColor: The Fortran name of this function is NhlFFreeColor.
This function removes a color, specified by its HLU index, from the Workstation color map.
NhlGetBB: The Fortran name of this function is NhlFGetBB.
This function returns the coordinates of the left, right, top, and bottom edges of a View class object's bounding box in NDC units.
NhlGetGksCi: The Fortran name of this function is NhlFGetGksCi.
This function returns the low-level GKS color index from an HLU color index and an instance of a Workstation object.
NhlGetValues: The Fortran name of this function is NhlFGetValues.
This function is used to retrieve the resource values of an instance of any HLU object. It is provided as an access function to objects that are Base class.
NhlGetWorkspaceObjectId: The Fortran name of this function is NhlFGetWorkspaceObjectId.
This function retrieves the Workspace objects id.
NhlInitialize: The Fortran names of this function is NhlFInitialize.
HLU library initialization functions.
NhlIsAllocatedColor: The Fortran name of this function is NhlFIsAllocatedColor.
This boolean function returns True if a color has been assigned to a particular HLU color index, and False otherwise.
NhlIsApp: The Fortran name of this function is NhlFIsApp.
This boolean function returns True if the given id identifies an App class object, and False otherwise.
NhlIsDataComm: The Fortran name of this function is NhlFIsDataComm.
This boolean function returns True if the given id identifies a DataComm class object, and False otherwise.
NhlIsDataItem: The Fortran name of this function is NhlFIsDataItem.
This boolean function returns True if the given id identifies a DataItem class object, and False otherwise.
NhlIsDataSpec: The Fortran name of this function is NhlFIsDataSpec.
This boolean function returns True if the given id identifies a DataSpec class object, and False otherwise.
NhlIsTransform: The Fortran name of this function is NhlFIsTransform.
This boolean function returns True if the given id identifies a Transform class object, and False otherwise.
NhlIsView: The Fortran name of this function is NhlFIsView.
This boolean function returns True if the given id identifies a View class object, and False otherwise.
NhlIsWorkstation: The Fortran name of this function is NhlFIsWorkstation.
This boolean function returns True if the given id identifies a Workstation class object, and False otherwise.
NhlMalloc: No corresponding Fortran function.
Memory allocation functions.
NhlNDCPolygon: The Fortran name of this function is NhlFNDCPolygon.
Given arrays containing the X and Y coordinates of points in NDC space, this function outputs an immediate-mode polygon connecting each of the points.
NhlNDCPolyline: The Fortran name of this function is NhlFNDCPolyline.
Given arrays containing the X and Y coordinates of points in NDC space, this function outputs an immediate-mode polyline connecting each of the points.
NhlNDCPolymarker: The Fortran name of this function is NhlFNDCPolymarker.
Given arrays containing the X and Y coordinates of points in NDC space, this function outputs an immediate-mode marker at each of the points.
NhlNDCToData: The Fortran name of this function is NhlFNDCToData.
Given arrays containing the X and Y coordinates of points in NDC space, this function returns arrays containing the X and Y coordinates of the same points in data coordinate space.
NhlName: The Fortran name of this function is NhlFName.
This function returns the "name" of an object.
NhlNewColor: The Fortran name of this function is NhlFNewColor.
This function adds a color specified as an RGB triple to the colormap of a Workstation instance and returns its HLU color index.
NhlNumber: No corresponding Fortran function.
This cpp macro determines the number of elements in a fixed-size array.
NhlOpen: The Fortran name of this function is NhlFOpen.
HLU library initialization functions.
NhlPError: The Fortran name of this function is NhlFPError.
Error handling functions for the HLU library.
NhlRLClear: The Fortran name of this function is NhlFRLClear.
ResList support function.
NhlRLCreate: The Fortran name of this function is NhlFRLCreate.
ResList support functions.
NhlRLDestroy: The Fortran name of this function is NhlFRLDestroy.
ResList support functions.
NhlRLGet: No corresponding Fortran function.
Used to add the given name and val_addr to the ResList.
NhlRLGetArray: No corresponding Fortran function.
Used to add the given name and val_addr to the ResList.
NhlRLGetDouble: The Fortran name of this function is NhlFRLGetDouble.
Used to add the given name and val_addr to the ResList.
NhlRLGetDoubleArray: The Fortran name of this function is NhlFRLGetDoubleArray.
Used to add the given name and val_addr to the ResList.
NhlRLGetFloat: The Fortran name of this function is NhlFRLGetFloat.
Used to add the given name and val_addr to the ResList.
NhlRLGetFloatArray: The Fortran name of this function is NhlFRLGetFloatArray.
Used to add the given name and val_addr to the ResList.
NhlRLGetInteger: The Fortran name of this function is NhlFRLGetInteger.
Used to add the given name and val_addr to the ResList.
NhlRLGetIntegerArray: The Fortran name of this function is NhlFRLGetIntegerArray.
Used to add the given name and val_addr to the ResList.
NhlRLGetMDArray: No corresponding Fortran function.
Used to add the given name and val_addr to the ResList.
NhlRLGetMDDoubleArray: The Fortran name of this function is NhlFRLGetMDDoubleArray.
Used to add the given name and val_addr to the ResList.
NhlRLGetMDFloatArray: The Fortran name of this function is NhlFRLGetMDFloatArray.
Used to add the given name and val_addr to the ResList.
NhlRLGetMDIntegerArray: The Fortran name of this function is NhlFRLGetMDIntegerArray.
Used to add the given name and val_addr to the ResList.
NhlRLGetString: The Fortran name of this function is NhlFRLGetString.
Used to add the given name and val_addr to the ResList.
NhlRLGetStringArray: The Fortran name of this function is NhlFRLGetStringArray.
Used to add the given name and val_addr to the ResList.
NhlRLIsSet: The Fortran name of this function is NhlFRLIsSet.
ResList support functions.
NhlRLSet: No corresponding Fortran function.
Used to add the given name and value to the ResList.
NhlRLSetArray: No corresponding Fortran function.
Used to add the given name and value array to the ResList.
NhlRLSetDouble: The Fortran name of this function is NhlFRLSetDouble.
Used to add the given name and value to the ResList.
NhlRLSetDoubleArray: The Fortran name of this function is NhlFRLSetDoubleArray.
Used to add the given name and value array to the ResList.
NhlRLSetFloat: The Fortran name of this function is NhlFRLSetFloat.
Used to add the given name and value to the ResList.
NhlRLSetFloatArray: The Fortran name of this function is NhlFRLSetFloatArray.
Used to add the given name and value array to the ResList.
NhlRLSetInteger: The Fortran name of this function is NhlFRLSetInteger.
Used to add the given name and value to the ResList.
NhlRLSetIntegerArray: The Fortran name of this function is NhlFRLSetIntegerArray.
Used to add the given name and value array to the ResList.
NhlRLSetMDArray: No corresponding Fortran function.
Used to add the given name and value array to the ResList.
NhlRLSetMDDoubleArray: The Fortran name of this function is NhlFRLSetMDDoubleArray.
Used to add the given name and value array to the ResList.
NhlRLSetMDFloatArray: The Fortran name of this function is NhlFRLSetMDFloatArray.
Used to add the given name and value array to the ResList.
NhlRLSetMDIntegerArray: The Fortran name of this function is NhlFRLSetMDIntegerArray.
Used to add the given name and value array to the ResList.
NhlRLSetString: The Fortran name of this function is NhlFRLSetString.
Used to add the given name and value to the ResList.
NhlRLSetStringArray: The Fortran name of this function is NhlFRLSetStringArray.
Used to add the given name and value array to the ResList.
NhlRLUnSet: The Fortran name of this function is NhlFRLUnSet.
ResList support functions.
NhlRealloc: No corresponding Fortran function.
Memory allocation functions.
NhlRemoveAnnotation: The Fortran name of this function is NhlFRemoveAnnotation.
This function removes an arbitrary View object annotation from a Plot Object, destroying its AnnoManager object.
NhlRemoveData: The Fortran name of this function is NhlFRemoveData.
This function is used to dissociate a DataItem object from a data resource in a DataComm object.
NhlRemoveOverlay: The Fortran name of this function is NhlFRemoveOverlay.
This function removes an overlay plot member from a base plot.
NhlSetColor: The Fortran name of this function is NhlFSetColor.
This function sets the RGB color value for a specified HLU color index.
NhlSetValues: The Fortran name of this function is NhlFSetValues.
This function is used to change the resource values of an instance of any HLU object. It is provided as an access function to objects that are Base class.
NhlUpdateData: The Fortran name of this function is NhlFUpdateData.
This function is used to force a DataComm object to update its internal state to any changes that have occurred in associated DataItems.
NhlUpdateWorkstation: The Fortran name of this function is NhlFUpdateWorkstation.
This function updates the drawing area of an instance of a Workstation object.