com.esri.arcgis.geodatabaseextensions.LasDataset
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java.lang.Object
public class LasDataset
Esri LasDataset component.
| Constructor Summary | |
|---|---|
LasDataset()
Constructs a LasDataset using ArcGIS Engine. |
|
LasDataset(Object obj)
Deprecated. As of ArcGIS 9.2, replaced by normal Java casts. LasDataset theLasDataset = (LasDataset) obj; |
|
| Method Summary | |
|---|---|
void |
addFile(String fileName)
Adds a file to the dataset. |
void |
addFolder(String folderName,
String fileExtension,
boolean bRecursive,
IStringArray[] ppBadFiles)
Adds all the files in the specified a folder, and potentially subfolders, to the dataset. |
void |
addSurfaceConstraint(IFeatureClass pFeatureClass,
IField pHeightField,
IField pTagField,
int type)
Adds surface constraint (e.g., breaklines) to the dataset. |
void |
alterSpatialReference(ISpatialReference spatialReference)
Alters the spatial reference of the dataset to match the coordinate system of the input spatial reference, does not reproject the data. |
void |
calculateFileStatistics(ITrackCancel pTrackCancel,
int index)
Calculate statistics of the specified file. |
void |
calculateStatistics(ITrackCancel pTrackCancel,
boolean bForce,
ILongArray[] ppBadFiles)
Calculate statistics of the entire dataset. |
boolean |
canCopy()
True if this dataset can be copied. |
boolean |
canDelete()
True if this dataset can be deleted. |
boolean |
canRename()
True if this dataset can be renamed. |
void |
changeClassCode(ITrackCancel pTrackCancel,
int fileIndex,
ILongArray pExistingCodes,
ILongArray pNewCodes,
boolean bCalculateStats)
Replace points' class code. |
IDataset |
copy(String copyName,
IWorkspace copyWorkspace)
Copies this dataset to a new dataset with the specified name. |
ILasSurface |
createDynamicSurface()
Returns an implicit surface. |
void |
delete()
Deletes this dataset. |
void |
editClassCode(int fileIndex,
IDoubleArray pPointIDs,
ILongArray pCodes,
boolean[] pbHasChange)
Set points' class code. |
void |
editClassCodeByClass(int fileIndex,
IDoubleArray pPointIDs,
int newCode,
int withheldFlag,
int keyPointFlag,
int syntheticFlag,
boolean[] pbHasChange)
Set class code and flags (negative classCode value indicates no code change). |
boolean |
equals(Object o)
Compare this object with another |
double |
estimatePointCount(IGeometry pAOI)
Estimate point count. |
void |
estimatePointSpacing(IEnvelope pAOI,
double[] pMinSpacing,
double[] pMaxSpacing,
double[] pMeanSpacing)
Estimate point spacing. |
void |
export(ITrackCancel pTrackCancel,
int fileIndex,
ILasPointFilter pFilter,
String newFileName,
ISpatialReference pNewSpatialReference,
boolean bProject,
boolean bDropVLRs)
Returns an implicit surface. |
String |
getBrowseName()
The browse name of the dataset. |
String |
getCategory()
The category of the dataset. |
static String |
getClsid()
getClsid. |
IEnvelope |
getExtent()
The extent of the GeoDataset. |
ILasFile |
getFile(int index)
Returns the LAS file specified by the index. |
int |
getFileCount()
The number of LAS files contained in the dataset. |
IName |
getFullName()
The associated name object. |
IArray |
getLasPointInfo(ITrackCancel pTrackCancel,
IGeometry pLocation,
double pointID)
Returns an array of ILasPointInfo(the 1-based pointID is optional). |
IEnumLasPoint |
getLasPoints(ITrackCancel pTrackCancel,
ILasPointFilter pFilter,
double thinningFactor,
double zFactor)
getLasPoints |
IEnumLasPoint |
getLasPointsByBudget(ITrackCancel pTrackCancel,
ILasPointFilter pFilter,
double maxPointCount,
double zFactor)
getLasPointsByBudget |
String |
getName()
The name of the Dataset. |
double |
getPointCount()
The number of points in the dataset. |
IPropertySet |
getPropertySet()
The set of properties for the dataset. |
double |
getSizeInBytes()
The size of all the LAS files in bytes. |
ISpatialReference |
getSpatialReference()
The spatial reference of the GeoDataset. |
ILasStatistics |
getStatistics()
Get statistics. |
IEnumDataset |
getSubsets()
Datasets contained within this dataset. |
void |
getSurfaceConstraint(int index,
IFeatureClass[] ppClass,
IField[] ppHeightField,
IField[] ppTagField,
int[] pType)
Gets surface constraint specified by the index. |
int |
getSurfaceConstraintCount()
The number of surface constraints contained in the dataset. |
void |
getSurfaceConstraintID(int index,
IUID[] ppGuid)
Gets surface constraint specified by the index. |
void |
getSurfaceConstraintIndexFromID(IUID pGuid,
int[] pIndex)
Gets surface constraint's index identified by the ID. |
void |
getSurfaceConstraintName(int index,
IFeatureClassName[] ppName,
String[] pHeightField,
String[] pTagField,
int[] pType)
Gets surface constraint specified by the index. |
int |
getType()
The type of the Dataset. |
IWorkspace |
getWorkspace()
The workspace containing this dataset. |
int |
hashCode()
the hashcode for this object |
void |
init(String name)
Opens the specified dataset. |
boolean |
isCanAlterSpatialReference()
Indicates if the spatial reference of the dataset can be altered. |
boolean |
isDirty()
Indicates if the dataset has been changed since last save. |
boolean |
isHasStatistics()
Indicates if statistics is available. |
boolean |
isNeedsUpdateStatistics()
Indicates if update is necessary. |
boolean |
isUsesRelativePath()
Indicates if the dataset is saved with relative path. |
void |
lasPointStatsAsRaster(ITrackCancel pTrackCancel,
ILasPointFilter pFilter,
IRasterDataset pDataset,
int type,
int attribute)
Export to Raster. |
void |
queryLasPointInfo(int fileIndex,
double pointID,
ILasPointInfo pInfo)
Query point information associated with the 1-based point ID. |
void |
removeFile(int index)
Removes the specified file from the dataset. |
void |
removeFileByName(String fileName)
Removes the specified file from the dataset. |
void |
removeSurfaceConstraint(IFeatureClass pFeatureClass)
Removes the specified surface constraint from the dataset. |
void |
removeSurfaceConstraintByID(IUID pGuid)
Removes the specified surface constraint from the dataset. |
void |
rename(String name)
Renames this Dataset. |
void |
save()
Saves the changes. |
void |
saveAs(String name,
boolean bOverWrite)
Saves the dataset to disk using the specified name. |
void |
setBrowseName(String name)
The browse name of the dataset. |
void |
setClassCode(ITrackCancel pTrackCancel,
int fileIndex,
Object pAOI,
double bufferDistance,
IDoubleArray pZRange,
ILasAttributeFilter pFilter,
int newCode,
boolean bCalculateStats)
Set points' class code. |
void |
setClassFlag(ITrackCancel pTrackCancel,
int fileIndex,
Object pAOI,
double bufferDistance,
IDoubleArray pZRange,
ILasAttributeFilter pFilter,
int newFlags,
boolean bClear,
boolean bCalculateStats)
Set points' classification flag. |
void |
setEmpty()
Empty the object. |
void |
setSpatialReference(ISpatialReference pSpatialReference)
Sets spatial reference. |
void |
setUsesRelativePath(boolean rhs1)
Indicates if the dataset is saved with relative path. |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface com.esri.arcgis.interop.RemoteObjRef |
|---|
getJintegraDispatch, release |
| Constructor Detail |
|---|
public LasDataset()
throws IOException,
UnknownHostException
IOException - if there are interop problems
UnknownHostException - if there are interop problems
public LasDataset(Object obj)
throws IOException
LasDataset theLasDataset = (LasDataset) obj;
obj to LasDataset.
obj - an object returned from ArcGIS Engine or Server
IOException - if there are interop problems| Method Detail |
|---|
public static String getClsid()
public boolean equals(Object o)
equals in class Objectpublic int hashCode()
hashCode in class Object
public String getName()
throws IOException,
AutomationException
getName in interface IDatasetgetName in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public IName getFullName()
throws IOException,
AutomationException
getFullName in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public String getBrowseName()
throws IOException,
AutomationException
getBrowseName in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void setBrowseName(String name)
throws IOException,
AutomationException
setBrowseName in interface IDatasetname - The name (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public int getType()
throws IOException,
AutomationException
// Assume we have a reference to an IfeatureClass (pFeatureClass) IDataset pDataset = null;
pDataset = new IDatasetProxy(pFeatureClass);
System.out.println(pDataset.getName() + " " + pDataset.getType());
if(pFeatureClass != null){
pDataset = pFeatureClass.getFeatureDataset();
System.out.println(pDataset.getName() + " " + pDataset.getType());
}
pDataset = new IDatasetProxy(pDataset.getWorkspace());
System.out.println(pDataset.getName() + " " +
pDataset.getType());
getType in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public String getCategory()
throws IOException,
AutomationException
IDataset::Category returns a description of the category of the dataset. The description returned from the Category property is the same value that is displayed in the Type column within the Contents tab in ArcCatalog. The value will contain a description of the dataset such as "Topology" prefixed with a description of the type of workspace containing the dataset such as "File Geodatabase".
The description returned from IDataset::Category may change between releases of ArcGIS. In addition to this, returned strings are localized, meaning that code relying on a specific string being provided may fail when deployed with a different version of ArcGIS than it was developed with, or when deployed to a client using a different language than it was developed with.
getCategory in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public IEnumDataset getSubsets()
throws IOException,
AutomationException
The Subsets property returns other Dataset objects contained in this dataset.
IDataset::Subsets is not supported for Graph objects such as a Geometric Network. To return the feature classes contained in a Geometric Network, use the IFeatureClassContainer interface.
getSubsets in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public IWorkspace getWorkspace()
throws IOException,
AutomationException
The Workspace property returns the containing workspace for this dataset.
getWorkspace in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public IPropertySet getPropertySet()
throws IOException,
AutomationException
The PropertySet property is used to return any additional intrinsic properties (but not metadata properties) that may apply to the dataset. One use of this property is to distinguish between the types of File Geodatabase datafile formats. If called on a Feature Class or Table in a File Geodatabase the Datafile Format property can either be esriFGDBStandardDatafile or esriFGDBCompressedDatafile.
Most datasets do not implement this property and will either raise an error or return a null value if it's called. There are a handful of exceptions that will return property sets; these include the datasets from file geodatabases (as mentioned above) and coverages.
Examples of intrinsic properties for which explicit methods exist include the SpatialReference and the Extent methods available on the IGeoDataset interface. In most cases this PropertySet will be empty.
IDataset::PropertySet is not supported for Graph objects such as a Geometric Network.
getPropertySet in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public boolean canCopy()
throws IOException,
AutomationException
The CanCopy, CanDelete, and CanRename properties are meant to be used in conjunction with the Copy, Delete, and Rename methods and signify whether a dataset is supported by these methods. For example, you may not delete a network feature class nor can you use the Copy method on a Geodatabase feature class. To copy Geodatabase datasets, including feature classes, geometric networks, topologies, etc., use the IGeoDBDataTransfer interface.
The CanCopy method is supported by:
canCopy in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public IDataset copy(String copyName,
IWorkspace copyWorkspace)
throws IOException,
AutomationException
IDataset::Copy should only be used with datasets from file-based data sources, such as shapefiles and coverages.
copy in interface IDatasetcopyName - The copyName (in)copyWorkspace - A reference to a com.esri.arcgis.geodatabase.IWorkspace (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public boolean canDelete()
throws IOException,
AutomationException
The CanCopy, CanDelete, and CanRename properties are meant to be used in conjunction with the Copy, Delete, and Rename methods and signify whether a dataset is supported by these methods. For example, you may not delete a network feature class nor can you use the Copy method on a Geodatabase feature class. To copy Geodatabase datasets, including feature classes, geometric networks, topologies, etc., use the IGeoDBDataTransfer interface.
canDelete in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void delete()
throws IOException,
AutomationException
Certain feature classes, such as network and topology feature classes, cannot be deleted until their containing objects are deleted.
delete in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public boolean canRename()
throws IOException,
AutomationException
The CanCopy, CanDelete, and CanRename properties are meant to be used in conjunction with the Copy, Delete, and Rename methods and signify whether a dataset is supported by these methods. For example, you may not delete or rename a network feature class nor can you use the Copy method on a Geodatabase feature class. To copy Geodatabase datasets, including feature classes, geometric networks, topologies, etc., use the IGeoDBDataTransfer interface.
canRename in interface IDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void rename(String name)
throws IOException,
AutomationException
IDataset::Rename does not support the renaming of Graph objects such as a Geometric Network. In addition, certain feature classes, such as network feature classes, cannot be renamed.
rename in interface IDatasetname - The name (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public ISpatialReference getSpatialReference()
throws IOException,
AutomationException
This property is read only. For layers, when the first layer is added to ArcMap, its spatial reference is read by this property, and the map is set to this spatial reference.
Instances of the esriCarto.GroupLayer class will return null for this property, as a group layer can contain multiple datasets with different spatial references.
Modifications to a spatial reference returned by this property will not be persisted. To modify the spatial reference of a dataset, the IGeoDatasetSchemaEdit and IGeoDatasetSchemaEdit2 interfaces should be used.
getSpatialReference in interface IGeoDatasetgetSpatialReference in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public IEnvelope getExtent()
throws IOException,
AutomationException
The IGeoDataset::Extent property returns an envelope representing the maximum extent of data which has been stored in the dataset.
Consider the following scenario. A new feature class has features added to it. The IGeoDataset::Extent is then requested and an envelope is returned. The extents of the envelope returned are represented by the red box in the image below.
If a portion of the features were then deleted and the extent is again requested an envelope with the exact same extents as during the first request would be returned (see image below). This is because the deletion of features does not shrink the extent. However all additions of features outside the red box would increase the envelope returned to encompass the newly added features.
If you would like to update the IGeoDataset::Extent property to reflect the current features in your dataset please see IFeatureClassManage::UpdateExtent (also see IFeatureClassLoad). In the image below the extent has been updated and a new envelope is being returned.
ESRI's GroupLayer implements this property differently from most other layer coclasses. When you instantiate a new GroupLayer, this property will return a valid envelope with zero height and width. With most other newly instantiated layers (for example FeatureLayer, RasterLayer, TinLayer), this property initally returns Nothing.
getExtent in interface IGeoDatasetgetExtent in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public boolean isCanAlterSpatialReference()
throws IOException,
AutomationException
isCanAlterSpatialReference in interface IGeoDatasetSchemaEditIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void alterSpatialReference(ISpatialReference spatialReference)
throws IOException,
AutomationException
alterSpatialReference in interface IGeoDatasetSchemaEditspatialReference - A reference to a com.esri.arcgis.geometry.ISpatialReference (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void setEmpty()
throws IOException,
AutomationException
Brings the LasDataset object to the state that exists immediately after it is co-created (i.e., with 'New'). It references no LasDataset on disk, has no las files, surface constraints etc.
setEmpty in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void init(String name)
throws IOException,
AutomationException
Initializes the object by pointing to a las dataset on disk at the specified location.
init in interface ILasDatasetname - The name (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void saveAs(String name,
boolean bOverWrite)
throws IOException,
AutomationException
The interface pointer will reference the newly saved las dataset after the call is made.
Name is the full path (including the name) of the location to which the las dataset is to be saved.
bOverWrite, if set to True, the output las dataset will be replaced if it already exists.
saveAs in interface ILasDatasetname - The name (in)bOverWrite - The bOverWrite (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public boolean isUsesRelativePath()
throws IOException,
AutomationException
Indicates whether the las files in the las dataset are stored using relative paths.
isUsesRelativePath in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public boolean isDirty()
throws IOException,
AutomationException
Indicates whether the las dataset has been changed since the last time it was saved. Changes to the las dataset's schema (adding or removing files, computing statistics etc.) result in the las dataset becoming dirty. When a las dataset is dirty, consider using ILasDatasetEdit.Save after all the edits to avoid losing the changes.
isDirty in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public int getFileCount()
throws IOException,
AutomationException
The total number of LAS files referenced by the las dataset.
getFileCount in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public ILasFile getFile(int index)
throws IOException,
AutomationException
getFile in interface ILasDatasetindex - The index (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public int getSurfaceConstraintCount()
throws IOException,
AutomationException
The total number of surface constraints referenced by the las dataset.
getSurfaceConstraintCount in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void getSurfaceConstraint(int index,
IFeatureClass[] ppClass,
IField[] ppHeightField,
IField[] ppTagField,
int[] pType)
throws IOException,
AutomationException
Returns the surface constraint specified by the index.
index is the input index.
ppClass is the feature class specified by the index.
ppHeightField is the field being used as the source of height value.
ppTagField is the field being used as the source of tag values.
pType indicates how the surface constraint is incorporated into the triangulation.
getSurfaceConstraint in interface ILasDatasetindex - The index (in)ppClass - A reference to a com.esri.arcgis.geodatabase.IFeatureClass (out: use single element array)ppHeightField - A reference to a com.esri.arcgis.geodatabase.IField (out: use single element array)ppTagField - A reference to a com.esri.arcgis.geodatabase.IField (out: use single element array)pType - A com.esri.arcgis.geodatabase.esriTinSurfaceType constant (out: use single element array)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void getSurfaceConstraintName(int index,
IFeatureClassName[] ppName,
String[] pHeightField,
String[] pTagField,
int[] pType)
throws IOException,
AutomationException
Returns the feature class name object of the surface constraint specified by the index.
index is the input index.
ppName is the feature class name of surface constraint specified by the index.
ppHeightField is the name of the field being used as the source of height value.
ppTagField is the name of the field being used as the source of tag values.
pType indicates how the surface constraint is incorporated into the triangulation.
getSurfaceConstraintName in interface ILasDatasetindex - The index (in)ppName - A reference to a com.esri.arcgis.geodatabase.IFeatureClassName (out: use single element array)pHeightField - The pHeightField (out: use single element array)pTagField - The pTagField (out: use single element array)pType - A com.esri.arcgis.geodatabase.esriTinSurfaceType constant (out: use single element array)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void getSurfaceConstraintID(int index,
IUID[] ppGuid)
throws IOException,
AutomationException
Returns the UID of the surface constraint specified by the index.
index is the input index.
ppGuid is the UID of the surface constraint.
getSurfaceConstraintID in interface ILasDatasetindex - The index (in)ppGuid - A reference to a com.esri.arcgis.system.IUID (out: use single element array)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void getSurfaceConstraintIndexFromID(IUID pGuid,
int[] pIndex)
throws IOException,
AutomationException
Returns the index of the surface constraint specified by the input UID.
pGuid is the input UID of the surface constraint.
index is the index of the surface constraint.
getSurfaceConstraintIndexFromID in interface ILasDatasetpGuid - A reference to a com.esri.arcgis.system.IUID (in)pIndex - The pIndex (out: use single element array)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public double getPointCount()
throws IOException,
AutomationException
Returns the number of points in the las dataset. This count includes the points that are flagged as 'withheld' (if any).
getPointCount in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public double getSizeInBytes()
throws IOException,
AutomationException
Represents the cumulative size in bytes of all the las files participating in the las dataset.
getSizeInBytes in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public boolean isHasStatistics()
throws IOException,
AutomationException
Indicates if statistics are available for the las dataset. Use this property in conjunction with ILasDataset.NeedsUpdateStatistics to know whether the statistics available with the las dataset are up-to-date or not.
isHasStatistics in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public boolean isNeedsUpdateStatistics()
throws IOException,
AutomationException
An update to statistics may be necessary if the class code values of points have been modified in the LAS files or if LAS files are added or removed from the las dataset.
isNeedsUpdateStatistics in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public ILasStatistics getStatistics()
throws IOException,
AutomationException
Returns the LasStatistics object.
getStatistics in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public ILasSurface createDynamicSurface()
throws IOException,
AutomationException
Returns an implicit surface from which TINs and rasters are derived.
createDynamicSurface in interface ILasDatasetIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void export(ITrackCancel pTrackCancel,
int fileIndex,
ILasPointFilter pFilter,
String newFileName,
ISpatialReference pNewSpatialReference,
boolean bProject,
boolean bDropVLRs)
throws IOException,
AutomationException
Export allows you to create a new LAS file with a subset of points that match a desired criteria. This method can also be used to rectify geo referencing errors in LAS files.
pTrackCancel is a reference to a cancel tracker object that can be used to monitor progress and/or cancel the process. This can be set to a NULL pointer ('Nothing' in VB) if desired.
FileIndex is the input index of the LAS file.
pFilter is point filter that allows you to select the desired points. If set to NULL, all the points in the input LAS file will be written to the output file.
newFileName is the name of the output LAS file.
pNewSpatialReference is the new spatial reference object.
bProject indicates whether the input point records are to be projected to the new spatial reference.
bDropVLRs indicates if the variable length records are written to the output las file or whether they are to be ignored.
export in interface ILasDatasetpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)fileIndex - The fileIndex (in)pFilter - A reference to a com.esri.arcgis.geodatabaseextensions.ILasPointFilter (in)newFileName - The newFileName (in)pNewSpatialReference - A reference to a com.esri.arcgis.geometry.ISpatialReference (in)bProject - The bProject (in)bDropVLRs - The bDropVLRs (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void save()
throws IOException,
AutomationException
Save will persist all edits to the current LasDataset. If you want to preserve the original LasDataset, use ILasDataset.SaveAs.
save in interface ILasDatasetEditIOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void setUsesRelativePath(boolean rhs1)
throws IOException,
AutomationException
If set to true, all the las files and surface constraints referenced by the las dataset will be stored using relative paths.
setUsesRelativePath in interface ILasDatasetEditrhs1 - The rhs1 (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void setSpatialReference(ISpatialReference pSpatialReference)
throws IOException,
AutomationException
Assign a spatial reference to the las dataset.
setSpatialReference in interface ILasDatasetEditpSpatialReference - A reference to a com.esri.arcgis.geometry.ISpatialReference (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void addFile(String fileName)
throws IOException,
AutomationException
The file name must be the full path of the LAS file location on disk.
addFile in interface ILasDatasetEditfileName - The fileName (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void addFolder(String folderName,
String fileExtension,
boolean bRecursive,
IStringArray[] ppBadFiles)
throws IOException,
AutomationException
Use this method to add multiple LAS files at once.
folderName is the full path of the folder.
fileExtension is used to add files of a certain type. Use the extension ‘las’ to add LAS files. This is case-insensitive.
bRecursive, if set to True, would also include LAS files in sub folders.
ppBadFiles is a string array that is populated with the names of the las files that could not be added to the las dataset. That includes files that are corrupt or invalid.
addFolder in interface ILasDatasetEditfolderName - The folderName (in)fileExtension - The fileExtension (in)bRecursive - The bRecursive (in)ppBadFiles - A reference to a com.esri.arcgis.system.IStringArray (out: use single element array)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void removeFile(int index)
throws IOException,
AutomationException
Removes the reference to the LAS file at the specified index. Valid Index values range from 0 .. ILasDataset.FileCount-1.
removeFile in interface ILasDatasetEditindex - The index (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void removeFileByName(String fileName)
throws IOException,
AutomationException
The fileName string must be a full path or the relative path of the LAS file.
removeFileByName in interface ILasDatasetEditfileName - The fileName (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void addSurfaceConstraint(IFeatureClass pFeatureClass,
IField pHeightField,
IField pTagField,
int type)
throws IOException,
AutomationException
This method allows the addition of feature classes as surface constraints. Breaklines and clip polygons can be added in the form of line and polygon feature classes.
pFeatureClass is the feature class to be added.
pHeightField is the field that indicates where the heights for the features come from. If the shape geometry is 3D, and that's what you want to use, pass the Shape field of the feature class. Otherwise, a numeric field can be used. If the heights for the features should be interpolated from the existing state of the surface, pass a NULL pointer ('Nothing' in VB) to indicate the features do not have Z values of their own.
pTagField is a numeric field used to assign tags to corresponding elements in the TIN. Tag values are signed long integers that are assigned to nodes, edges, or triangles. They have user defined meaning (e.g. node accuracy, land cover, etc.). If no tag values are to be used pass a NULL pointer ('Nothing' in VB).
Type indicates how the surface constraint is incorporated into the triangulation.
addSurfaceConstraint in interface ILasDatasetEditpFeatureClass - A reference to a com.esri.arcgis.geodatabase.IFeatureClass (in)pHeightField - A reference to a com.esri.arcgis.geodatabase.IField (in)pTagField - A reference to a com.esri.arcgis.geodatabase.IField (in)type - A com.esri.arcgis.geodatabase.esriTinSurfaceType constant (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void removeSurfaceConstraint(IFeatureClass pFeatureClass)
throws IOException,
AutomationException
Removes the surface constraint specified by the input feature class.
pFeatureClass is the input surface constraint to be removed. If the feature class is not available on disk anymore, consider using ILasDatasetEdit.RemoveSurfaceConstraintByID to remove the surface constraint from the las dataset.
removeSurfaceConstraint in interface ILasDatasetEditpFeatureClass - A reference to a com.esri.arcgis.geodatabase.IFeatureClass (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void removeSurfaceConstraintByID(IUID pGuid)
throws IOException,
AutomationException
Removes the surface constraint specified by the input UID.
pGuid is the UID of the input surface constraint to be removed. This method is handy when the feature class is not available on disk anymore.
removeSurfaceConstraintByID in interface ILasDatasetEditpGuid - A reference to a com.esri.arcgis.system.IUID (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void calculateStatistics(ITrackCancel pTrackCancel,
boolean bForce,
ILongArray[] ppBadFiles)
throws IOException,
AutomationException
Computes the statistics for the las dataset.
pTrackCancel is a reference to a Cancel Tracker object that can be used to monitor progress and/or cancel the process. This can be set to a NULL pointer ('Nothing' in VB) if desired.
bForce, if set to false, statistics are computed only for the las files that have outdated or no statistics. Setting it true forces a re-compute of the statistics for all the las files.
ppBadFiles is the list of files for which the statistics computation has failed.
calculateStatistics in interface ILasDatasetEditpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)bForce - The bForce (in)ppBadFiles - A reference to a com.esri.arcgis.system.ILongArray (out: use single element array)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void calculateFileStatistics(ITrackCancel pTrackCancel,
int index)
throws IOException,
AutomationException
Computes the statistics for the las file referenced by the specified index.
pTrackCancel is a reference to a Cancel Tracker object that can be used to monitor progress and/or cancel the process. This can be set to a NULL pointer ('Nothing' in VB) if desired.
index is the input index of the LAS file for which statistics need to be computed.
calculateFileStatistics in interface ILasDatasetEditpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)index - The index (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void setClassFlag(ITrackCancel pTrackCancel,
int fileIndex,
Object pAOI,
double bufferDistance,
IDoubleArray pZRange,
ILasAttributeFilter pFilter,
int newFlags,
boolean bClear,
boolean bCalculateStats)
throws IOException,
AutomationException
SetClassFlag is used to set or clear the bit encoded class flags for points in las files (i.e., the synthetic, key-point, and witheld bits). Spatial and attribute filters determine what points get modified.
pTrackCancel references a CancelTracker that can be used to stop the process. This can be set to NULL if the ability for the user to cancel isn't required.
fileIndex is the index to the specific las file, as referenced by the las dataset, that will be modified. Valid fileIndex values range from 0 .. ILasDataset.FileCount-1.
pAOI is the area of interest. Las points coincident or intersected by this area will potentially be modified. pAOI may be an individual point, polyline, or polygon geometry as well as a feature class containing one of these geometry types. If a feature class is specified then each shape it contains will be used as a separate area of interest. Passing individual geometries is best used in conjunction with interactive tools. Passing a feature class is the most efficient method when you have many pre-existing shapes that are to be used to set class flags. Z values of inputs are ignored. The pZRange parameter can be used to specify a height constraint.
bufferDistance modifies the input pAOI geometry. Each shape will be buffered by this amount. The result is used as the AOI. Negative buffers can be used on polygons. For no buffer give a distance of 0.0.
pZRange is a DoubleArray used to specify a height range that acts as an additional constraint to the pAOI. You can either provide a NULL pointer if you're not interested in filtering by height or a DoubleArray with two values representing zmin and zmax.
pFilter is a LasAttributeFilter that adds qualitiers to control what las points get operated on. In addition to satisfying the pAOI and pZRange qualifiers, input points would also need to pass through this filter. A NULL pointer can be used if this filter isn't needed.
newFlags indicates which flags for candidate las points will be changed. All three bit fields (i.e., synthetic, model-key, withheld) can be encoded into this one value. Use the constants defined in the esriLasClassFlag enumeration in combination with a bitwise OR operator to set which flags are to be modified. Those which are not set will be left as is.
bClear is a boolean that indicates whether to set or clear (i.e., turn on or off) the flags specified by the flagsToModify parameter. When set to FALSE the flag(s) will be turned on. When set to TRUE the flag(s) will be turned off.
bCalculateStats informs the las dataset whether or not to (re)generate the las file statistics after performing the edit. If no further edits will be made to the las file, and statistics exist but will be invalidated with this call, or are desired to be made from scratch, then set this to TRUE. Otherwise, set it to FALSE to avoid an unnecessary expense.
Notes:
This method edits the las files containing the points. There is no support for undo. Consider the need to backup your las files before calling ILasPointEdit methods.
setClassFlag in interface ILasPointEditpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)fileIndex - The fileIndex (in)pAOI - A reference to another Object (IUnknown) (in)bufferDistance - The bufferDistance (in)pZRange - A reference to a com.esri.arcgis.system.IDoubleArray (in)pFilter - A reference to a com.esri.arcgis.geodatabaseextensions.ILasAttributeFilter (in)newFlags - The newFlags (in)bClear - The bClear (in)bCalculateStats - The bCalculateStats (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void setClassCode(ITrackCancel pTrackCancel,
int fileIndex,
Object pAOI,
double bufferDistance,
IDoubleArray pZRange,
ILasAttributeFilter pFilter,
int newCode,
boolean bCalculateStats)
throws IOException,
AutomationException
SetClassCode is used to set/change class codes for points in las files. Spatial and attribute filters determine what points get modified.
pTrackCancel references a CancelTracker that can be used to stop the process. This can be set to NULL if the ability for the user to cancel isn't required.
fileIndex is the index to the specific las file, as referenced by the las dataset, that will be modified. Valid fileIndex values range from 0 .. ILasDataset.FileCount-1.
pAOI is the area of interest. Las points coincident or intersected by this area will potentially be modified. pAOI may be an individual point, polyline, or polygon geometry as well as a feature class containing one of these geometry types. If a feature class is specified then each shape it contains will be used as a separate area of interest. Passing individual geometries is best used in conjunction with interactive tools. Passing a feature class is the most efficient method when you have many pre-existing shapes such as a collection of water bodies or breaklines that are being used to code the points. Z values of inputs are ignored. The pZRange parameter can be used to specify a height constraint.
bufferDistance modifies the input pAOI geometry. Each shape will be buffered by this amount. The result is used as the AOI. Negative buffers can be used on polygons. For no buffer give a distance of 0.0.
pZRange is a DoubleArray used to specify a height range that acts as an additional constraint to the pAOI. You can either provide a NULL pointer if you're not interested in filtering by height or a DoubleArray with two values representing zmin and zmax.
pFilter is a LasAttributeFilter that adds qualitiers to control what las points get operated on. In addition to satisfying the pAOI and pZRange qualifiers, input points would also need to pass through this filter. A NULL pointer can be used if this filter isn't needed.
newCode is written out as the new classification value for las points that satisfy the criteria set up by the other parmeters of this method.
bCalculateStats informs the las dataset whether or not to (re)generate the las file statistics after performing the edit. If no further edits will be made to the las file, and statistics exist but will be invalidated with this call, or are desired to be made from scratch, then set this to TRUE. Otherwise, set it to FALSE to avoid an unnecessary expense.
Notes:
This method edits the las files containing the points. There is no support for undo. Consider the need to backup your las files before calling ILasPointEdit methods.
setClassCode in interface ILasPointEditpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)fileIndex - The fileIndex (in)pAOI - A reference to another Object (IUnknown) (in)bufferDistance - The bufferDistance (in)pZRange - A reference to a com.esri.arcgis.system.IDoubleArray (in)pFilter - A reference to a com.esri.arcgis.geodatabaseextensions.ILasAttributeFilter (in)newCode - The newCode (in)bCalculateStats - The bCalculateStats (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void changeClassCode(ITrackCancel pTrackCancel,
int fileIndex,
ILongArray pExistingCodes,
ILongArray pNewCodes,
boolean bCalculateStats)
throws IOException,
AutomationException
ChangeClassCode is used to change the class codes for points in las files. Consider using this method to update the classification of points in LAS files generated prior to the introduction of standardized class codes in the LAS 1.1 specifications.
pTrackCancel references a CancelTracker that can be used to stop the process. This can be set to NULL if the ability for the user to cancel isn't required.
fileIndex is the index to the specific las file, as referenced by the las dataset, that will be modified. Valid fileIndex values range from 0 .. ILasDataset.FileCount-1.
pExistingCodes is the array of input class codes that need to be modified.
pNewCodes is the array of new class codes that the points will be updated to. The array lengths of pExistingCodes and pNewCodes should be the same. There is a one to one relation between the two array elements. Points with a class code value that is present in the first index location of pExistingCodes will be updated to have a new class code value that is present in the first index location of the pNewCodes array.
bCalculateStats informs the las dataset whether or not to (re)generate the las file statistics after performing the edit. If no further edits will be made to the las file, and statistics exist but will be invalidated with this call, or are desired to be made from scratch, then set this to TRUE. Otherwise, set it to FALSE to avoid an unnecessary expense.
Notes:
This method edits the las files containing the points. There is no support for undo. Consider the need to backup your las files before calling ILasPointEdit methods.
changeClassCode in interface ILasPointEditpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)fileIndex - The fileIndex (in)pExistingCodes - A reference to a com.esri.arcgis.system.ILongArray (in)pNewCodes - A reference to a com.esri.arcgis.system.ILongArray (in)bCalculateStats - The bCalculateStats (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void editClassCodeByClass(int fileIndex,
IDoubleArray pPointIDs,
int newCode,
int withheldFlag,
int keyPointFlag,
int syntheticFlag,
boolean[] pbHasChange)
throws IOException,
AutomationException
EditClassCodeByClass is used to change the class code and the bit encoded class flags for points in las files.
fileIndex is the index to the specific las file, as referenced by the las dataset, that will be modified. Valid fileIndex values range from 0 .. ILasDataset.FileCount-1.
pPointIDs is the array of point indices for which the class codes and/or class flags need to be changed.
newCode is the new class code to be assigned to the input points. Set this to -1 if you only want to leave the class code unchanged and wish to just work with the class flags of the input points.
withheldFlag indicates whether to set, clear or leave unchanged the withheld class flag of the input points.
keyPointFlag indicates whether to set, clear or leave unchanged the key point class flag of the input points.
syntheticFlag indicates whether to set, clear or leave unchanged the synthetic class flag of the input points.
pBHasChange indicates whether atleast one change has been made to the input set of points. If all the input points already has the same class code as newCode or the combination of flags specified by the input arguments, no edits will be made to the points and pBHasChange will be false.
Notes:
This method edits the las files containing the points. There is no support for undo. Consider the need to backup your las files before calling ILasPointEdit methods.
editClassCodeByClass in interface ILasPointEditfileIndex - The fileIndex (in)pPointIDs - A reference to a com.esri.arcgis.system.IDoubleArray (in)newCode - The newCode (in)withheldFlag - A com.esri.arcgis.geodatabaseextensions.esriLasClassFlagEditType constant (in)keyPointFlag - A com.esri.arcgis.geodatabaseextensions.esriLasClassFlagEditType constant (in)syntheticFlag - A com.esri.arcgis.geodatabaseextensions.esriLasClassFlagEditType constant (in)pbHasChange - The pbHasChange (out: use single element array)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void editClassCode(int fileIndex,
IDoubleArray pPointIDs,
ILongArray pCodes,
boolean[] pbHasChange)
throws IOException,
AutomationException
EditClassCode is used to change the class code for a set of points in the las dataset. Consider using this method when you are editing the class codes of a handful of points.
fileIndex is the index to the specific las file, as referenced by the las dataset, that will be modified. Valid fileIndex values range from 0 .. ILasDataset.FileCount-1.
pPointIDs is the array of point indices for which the class codes and/or class flags need to be changed.
pCodes is the array of new class codes that the points will be updated to. The array lengths of pPointIDs and pCodes should be the same. There is a one to one relation between the two array elements. The first point in the pPointIDs array will be assigned with the class code value at the first index location of the pCodes array.
pBHasChange indicates whether atleast one change has been made to the input set of points. If all the input points already has the same class codes as specified by the input pCodes arguments, no edits will be made to the points and pBHasChange will be false.
Notes:
This method edits the las files containing the points. There is no support for undo. Consider the need to backup your las files before calling ILasPointEdit methods.
editClassCode in interface ILasPointEditfileIndex - The fileIndex (in)pPointIDs - A reference to a com.esri.arcgis.system.IDoubleArray (in)pCodes - A reference to a com.esri.arcgis.system.ILongArray (in)pbHasChange - The pbHasChange (out: use single element array)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public double estimatePointCount(IGeometry pAOI)
throws IOException,
AutomationException
Returns an estimate of the number of points within the specified area of interest.
pAOI is the input geometry representing the area of interest. Valid geometries are Polygon, Envelope and a GeometryBag with polygons or envelopes. The Z range information, if set on the input geometry, is ignored.
estimatePointCount in interface ILasPointCloudpAOI - A reference to a com.esri.arcgis.geometry.IGeometry (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void estimatePointSpacing(IEnvelope pAOI,
double[] pMinSpacing,
double[] pMaxSpacing,
double[] pMeanSpacing)
throws IOException,
AutomationException
Returns min, max, and mean point spacing estimates based on the LAS files whose extents intersect the passed envelope. If only one file is within the extent then min, max, and mean will be the same. If multiple files are intersected the min is set to the file with the smallest spacing, max to the one with the largest, and mean is based on estimating the total points within the envelope.
Point spacing estimates at this level (i.e., the dataset) are based on estimates made per LAS file. They'll be more reliable if statistics for the LAS dataset have been calculated (see ILasDatasetEdit.CalculateStatistics and ILasFile.HasStatistics).
estimatePointSpacing in interface ILasPointCloudpAOI - A reference to a com.esri.arcgis.geometry.IEnvelope (in)pMinSpacing - The pMinSpacing (out: use single element array)pMaxSpacing - The pMaxSpacing (out: use single element array)pMeanSpacing - The pMeanSpacing (out: use single element array)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public IEnumLasPoint getLasPoints(ITrackCancel pTrackCancel,
ILasPointFilter pFilter,
double thinningFactor,
double zFactor)
throws IOException,
AutomationException
Returns a Las point enumerator to retrieve points from a LAS dataset.
pTrackCancel is a reference to a Cancel Tracker object that can be used to monitor progress and/or cancel the process. This can be set to a NULL pointer ('Nothing' in VB) if desired.
pFilter references a ILasPointFilter that defines the selection criteria for what points to read from the las files.
thinningFactor is a double with a valid range: >0 and <=1.0. Multiplied by 100, it represents the percentage of points to retrieve from within the area of interest defined by pFilter.
zFactor is used to convert the vertical units of the retrieved points (e.g., to convert feet to meters). The output point z values are multipled by the zFactor.
getLasPoints in interface ILasPointCloudpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)pFilter - A reference to a com.esri.arcgis.geodatabaseextensions.ILasPointFilter (in)thinningFactor - The thinningFactor (in)zFactor - The zFactor (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public IEnumLasPoint getLasPointsByBudget(ITrackCancel pTrackCancel,
ILasPointFilter pFilter,
double maxPointCount,
double zFactor)
throws IOException,
AutomationException
Returns a Las point enumerator to retrieve points from a LAS dataset with a constraint on the upper limit of the number of points.
pTrackCancel is a reference to a Cancel Tracker object that can be used to monitor progress and/or cancel the process. This can be set to a NULL pointer ('Nothing' in VB) if desired.
pFilter references a ILasPointFilter that defines the selection criteria for what points to read from the las files.
maxPointCount is the maximum number of points that is desired.
zFactor is used to convert the vertical units of the retrieved points (e.g., to convert feet to meters). The output point z values are multipled by the zFactor.
getLasPointsByBudget in interface ILasPointCloudpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)pFilter - A reference to a com.esri.arcgis.geodatabaseextensions.ILasPointFilter (in)maxPointCount - The maxPointCount (in)zFactor - The zFactor (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public IArray getLasPointInfo(ITrackCancel pTrackCancel,
IGeometry pLocation,
double pointID)
throws IOException,
AutomationException
Returns an array of point info objects located near the input geometry.
pTrackCancel is a reference to a Cancel Tracker object that can be used to monitor progress and/or cancel the process. This can be set to a NULL pointer ('Nothing' in VB) if desired.
pLocation is the input geometry. Valid geometries are Point, Envelope. The z information on the input geometry is honored. If extent is z-aware, its z-range is honored.
pointID is optional. If provided, point info object(s) of the point(s) with the input pointID that satisfy the location's extent are returned.
getLasPointInfo in interface ILasPointCloudpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)pLocation - A reference to a com.esri.arcgis.geometry.IGeometry (in)pointID - The pointID (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void queryLasPointInfo(int fileIndex,
double pointID,
ILasPointInfo pInfo)
throws IOException,
AutomationException
Queries the point information for the specified point in a specified file.
FileIndex is the input file index (0-based).
PointID is the input point id (1-based).
pInfo is ILasPointInfo object representing the point information. This object needs to be pre-initialized.
queryLasPointInfo in interface ILasPointCloudfileIndex - The fileIndex (in)pointID - The pointID (in)pInfo - A reference to a com.esri.arcgis.geodatabaseextensions.ILasPointInfo (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
public void lasPointStatsAsRaster(ITrackCancel pTrackCancel,
ILasPointFilter pFilter,
IRasterDataset pDataset,
int type,
int attribute)
throws IOException,
AutomationException
Populates the input raster dataset with values that reflect statistical information about measurements from LAS files referenced by a las dataset.
pTrackCancel is a reference to a Cancel Tracker object that can be used to monitor progress and/or cancel the process. This can be set to a NULL pointer ('Nothing' in VB) if desired.
pFilter is a reference to an ILasPointFilter. If set, only points that match the criteria set on the filter are considered while computing statistics.
pDataset is the raster dataset to which the point statistics information will be written to. The raster must already exist.
Type is the statistic type computed about the points in each cell of the raster dataset.
Attribute is the point attribute using which the statistics are computed on a cell by cell basis.
lasPointStatsAsRaster in interface ILasPointCloudpTrackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)pFilter - A reference to a com.esri.arcgis.geodatabaseextensions.ILasPointFilter (in)pDataset - A reference to a com.esri.arcgis.geodatabase.IRasterDataset (in)type - A com.esri.arcgis.geodatabaseextensions.esriLasPointStatsType constant (in)attribute - A com.esri.arcgis.geodatabaseextensions.esriLasAttributeType constant (in)
IOException - If there are interop problems.
AutomationException - If the ArcObject component throws an exception.
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