>  Docs Center  >  ENVI API  >  Point Clouds  >  ENVIPointCloudQuery::Close

ENVIPointCloudQuery::Close

ENVIPointCloudQuery::Close

The Close method closes the ENVIPointCloudQuery for reading.

Example


; Create a headless instance
e = ENVI(/HEADLESS)
 
; Open a las file
file = FILEPATH('DataSample.las', ROOT_DIR=e.ROOT_DIR, $
  SUBDIRECTORY = ['data','lidar'])
pointcloudQuery = e.QueryPointCloud(file)
 
; Get the first 100 points with intensity values
points = pointcloudQuery.GetPointsInRange(0, 100, INTENSITY=intensity)
print, 'Points = '
print, points
 
; Close the point cloud object
pointcloudQuery.Close

Syntax


ENVIPointCloudQuery.Close [ERROR=variable]

Keywords


ERROR

Set this keyword to a named variable that will contain any error message issued during execution of this routine. If no error occurs, the ERROR variable will be set to a null string (''). If an error occurs and the routine is a function, then the function result will be undefined.

When this keyword is not set and an error occurs, ENVI returns to the caller and execution halts. In this case, the error message is contained within !ERROR_STATE and can be caught using IDL's CATCH routine. See IDL Help for more information on !ERROR_STATE and CATCH.

See Manage Errors for more information on error handling in ENVI programming.

Version History


ENVI 5.3

Introduced

API Version


3.3

See Also


ENVIPointCloud



© 2019 Harris Geospatial Solutions, Inc. |  Legal
My Account    |    Store    |    Contact Us