ucar.unidata.data.gis

Class DemDataSource

java.lang.Object

ucar.unidata.collab.SharableImpl

ucar.unidata.data.DataSourceImpl

ucar.unidata.data.FilesDataSource

ucar.unidata.data.gis.DemDataSource

All Implemented Interfaces:

Sharable, DataSource, DataSourceFactory, XmlPersistable

public class DemDataSource
extends FilesDataSource

DataSource for Digital Elevation Model (DEM) files. Handles USGS 7.5 minute DEMs, and Arc ASCIIGRID files.

Version:

$Revision: 1.16 $

Author:

IDV development team

Field Summary

Fields inherited from class ucar.unidata.data.FilesDataSource

adapters, oldSourceFromBundles, sources

Fields inherited from class ucar.unidata.data.DataSourceImpl

changeDataPathsCbx, dataCacheKey, dataChoices, geoSelectionPanel, haveBeenUnPersisted, okToContinue, PARAM_SHOW_HIDE, PARAM_SHOW_NO, PARAM_SHOW_YES

Fields inherited from interface ucar.unidata.data.DataSource

DATAPATH_DATE_FORMAT, DATAPATH_DATE_PATTERN, MOST_RECENT, ordinalNames, PROP_AUTOCREATEDISPLAY, PROP_BASEDIRECTORY, PROP_CACHEABLE, PROP_DATACHOICENAME, PROP_DISPLAYPROPERTIES, PROP_DOCUMENTLINKS, PROP_FILEPATTERN, PROP_GEOLOCATION, PROP_ICON, PROP_NAME, PROP_POLLINFO, PROP_RESOLVERURL, PROP_SERVICE_HTTP, PROP_SUBPROPERTIES, PROP_TIMELABELS, PROP_TIMESTRIDE, PROP_TITLE

Constructor Summary

Constructors

Constructor and Description
DemDataSource() Dummy constructor so this object can get unpersisted.
DemDataSource(DataSourceDescriptor descriptor, java.lang.String source, java.util.Hashtable properties) Create a DemDataSource from the specification given.

Method Summary

Modifier and Type	Method and Description
boolean	canSaveDataToLocalDisk() Is this data source capable of saving its data to local disk
protected void	doMakeDataChoices() Make the DataChoices associated with this source.
protected java.util.List	doMakeDateTimes() Make the list of available times for this data source.
protected visad.Data	getDataInner(DataChoice dataChoice, DataCategory category, DataSelection dataSelection, java.util.Hashtable requestProperties) Actually get the data identified by the given DataChoce.
java.lang.String	getDateTimePattern() pattern for parsing date/time string from filenames recognized pattern characters: y, Y : Year m, M : Month d, D : Day h, H : Hour n, N : Minute (m is already in use for MONTH) s, S : Seconds Other characters are used as place holders.
boolean	getUseFilenameForTime() Flag indicating if the date/time should be parsed from the filename
void	initAfterUnpersistence() Initialize after we have been unpersisted
void	setDateTimePattern(java.lang.String dateTimePattern) pattern for parsing date/time string from filenames recognized pattern characters: y, Y : Year m, M : Month d, D : Day h, H : Hour n, N : Minute (m is already in use for MONTH) s, S : Seconds Other characters are used as place holders.
void	setUseFilenameForTime(boolean useFilenameForTime) Flag indicating if the date/time should be parsed from the filename

Methods inherited from class ucar.unidata.data.FilesDataSource

doRemove, equals, getDataFileExtension, getDataPaths, getFilePath, getFullDescription, getInputStreams, getLocationsForPolling, getPartialDescription, getSource, getSources, haveSources, initAfterCreation, initWithPollingInfo, isFileBased, newFilesFromPolling, processDataFilename, propertiesChanged, reloadData, reloadData, saveDataToLocalDisk, setNewFiles, setSource, setSources, sourcesChanged, updateState

Methods inherited from class ucar.unidata.data.DataSourceImpl

addActions, addDataChangeListener, addDataChoice, addPropertiesTabs, addReloadTab, applyFieldMask, applyProperties, beginWritingDataToLocalDisk, canAddCurrentName, canCacheDataToDisk, canChangeData, canDoAllLevels, canDoFieldMask, canDoGeoSelection, canDoGeoSelectionMap, canDoGeoSelectionStride, canPoll, canShowParameter, checkForInitAfterUnPersistence, clearCachedData, clearFileCache, clearTimes, convertSourceFile, convertToFilesIfDirectory, createAutoDisplay, createCacheKey, createElement, decrOutstandingGetDataCalls, doDirectory, doMakeGeoSelectionPanel, doMakeGeoSelectionPanel, doMakeGeoSelectionPanel, doMakeGeoSubsetPropertiesComponent, endWritingDataToLocalDisk, expandIfNeeded, findDataChoice, findDataChoices, flushCache, getAbsoluteDateTimes, getActions, getAlias, getAllDateTimes, getAllDateTimes, getAllLevels, getAllLevels, getAllTimesForTimeDriver, getCache, getCache, getCacheClearDelay, getCacheDataToDisk, getCompositeDataChoices, getData, getData, getDataCachePath, getDataChangeListeners, getDataChoices, getDataContext, getDataInner, getDataIsEditable, getDataPrefix, getDataSelection, getDataSelectionComponents, getDataSource, getDateTimes, getDateTimeSelection, getDefaultSave, getDescription, getDescriptor, getErrorMessage, getEverChangedName, getExtraGeoSelectionComponent, getExtraTimesComponent, getFileFilterForPolling, getid, getIdv, getInError, getLocalDirectory, getLocationForPolling, getMostRecentFiles, getName, getNameForDataSource, getNeedToShowErrorToUser, getNextId, getOutstandingGetDataCalls, getPassword, getPathsThatCanBeRelative, getPollingInfo, getProperties, getPropertiesComponents, getPropertiesHeader, getProperty, getProperty, getProperty, getProperty, getProperty, getProperty, getProperty, getRelativePaths, getSampleDataProjection, getSaveDataFileLabel, getSelectedDateTimes, getSelectedDateTimes, getTimesFromDataSelection, getTmpPaths, getTypeName, getUserName, handlePropertiesAction, hasPollingInfo, holdsDateTimes, holdsIndices, identifiedBy, identifiedByName, incrOutstandingGetDataCalls, initAfter, initDataChoice, initDataSelectionComponents, initFromXml, isPolling, loadFieldMask, loadFieldMask, loadLatestFile, logException, logException, makeDerivedDataChoices, makeSaveLocalActions, newFileFromPolling, notifyDataChange, putCache, putCache, reloadProperties, removeCache, removeDataChangeListener, removeDataChoice, removeProperty, replaceDataChoice, resetTmpState, saveDataToLocalDisk, saveDataToLocalDisk, selectTimesFromList, setAlias, setAskToUpdate, setCacheClearDelay, setCacheDataToDisk, setDataEditableStrings, setDataIsEditable, setDataIsRelative, setDataRelativeStrings, setDataSelection, setDateTimeSelection, setDefaultSave, setDescription, setDescriptor, setDirectory, setEverChangedName, setInError, setInError, setInError, setName, setObjectProperties, setObjectProperty, setPassword, setPollingInfo, setPollLocation, setProperties, setProperty, setProperty, setRelativePaths, setTemplateName, setTmpPaths, setUserName, shouldCache, shouldCache, showPasswordDialog, showPropertiesDialog, showPropertiesDialog, showPropertiesDialog, showWaitDialog, tick, toString, toStringTruncated, updateDetailsText, writeFieldMaskFile, writeFieldMaskFile

Methods inherited from class ucar.unidata.collab.SharableImpl

applySharableProperties, doShare, doShare, doShareExternal, doShareInternal, getReceiveShareTime, getSharablePropertiesComponent, getShareGroup, getSharing, getUniqueId, initSharable, receiveShareData, removeSharable, setReceiveShareTime, setShareGroup, setSharing, setUniqueId, showSharableDialog

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface ucar.unidata.data.DataSource

getUniqueId

Constructor Detail

DemDataSource

public DemDataSource()

Dummy constructor so this object can get unpersisted.

DemDataSource

public DemDataSource(DataSourceDescriptor descriptor,
                     java.lang.String source,
                     java.util.Hashtable properties)
              throws visad.VisADException

Create a DemDataSource from the specification given.

Parameters:

descriptor - description of the source

source - of file filename

properties - extra properties

Throws:

visad.VisADException - VisAD problem

Method Detail

getDateTimePattern

public java.lang.String getDateTimePattern()

pattern for parsing date/time string from filenames recognized pattern characters:

y, Y : Year m, M : Month d, D : Day h, H : Hour n, N : Minute (m is already in use for MONTH) s, S : Seconds Other characters are used as place holders. The pattern does not support wildcard characters.

Returns:

the current date/time pattern

setDateTimePattern

public void setDateTimePattern(java.lang.String dateTimePattern)

pattern for parsing date/time string from filenames recognized pattern characters:

y, Y : Year m, M : Month d, D : Day h, H : Hour n, N : Minute (m is already in use for MONTH) s, S : Seconds Other characters are used as place holders. The pattern does not support wildcard characters.