cgkml2kmz.pro
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; docformat = 'rst'
;
; NAME:
; cgKML2KMZ
;
; PURPOSE:
; This program simply collects files created from the cgImage2KML program and moves
; the files to a zip file with the *.kmz file extention.
;
;******************************************************************************************;
; ;
; Copyright (c) 2012, by Fanning Software Consulting, Inc. All rights reserved. ;
; ;
; Redistribution and use in source and binary forms, with or without ;
; modification, are permitted provided that the following conditions are met: ;
; ;
; * Redistributions of source code must retain the above copyright ;
; notice, this list of conditions and the following disclaimer. ;
; * Redistributions in binary form must reproduce the above copyright ;
; notice, this list of conditions and the following disclaimer in the ;
; documentation and/or other materials provided with the distribution. ;
; * Neither the name of Fanning Software Consulting, Inc. nor the names of its ;
; contributors may be used to endorse or promote products derived from this ;
; software without specific prior written permission. ;
; ;
; THIS SOFTWARE IS PROVIDED BY FANNING SOFTWARE CONSULTING, INC. ''AS IS'' AND ANY ;
; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES ;
; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT ;
; SHALL FANNING SOFTWARE CONSULTING, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, ;
; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED ;
; TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; ;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ;
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ;
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS ;
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ;
;******************************************************************************************;
;
;+
; This program simply collects files created from the cgImage2KML program and moves
; the files to a zip file with a *.kmz file extention. The method used is an
; undocumented and unsupported method for creating KMZ files in IDL 8. It should not
; be relied upon, and it will not work in earlier versions of IDL. The cross-platform
; zip file functionality is scheduled to be exposed to IDL users in an IDL release
; sometime in 2013, but it is not known when or if this will occur.
;
; :Categories:
; Utility
;
; :Params:
; kml_filename: in, optional, type=string
; The name of a KML file to package as a KMZ file.
;
; supportfiles: in, optional, type=string
; A scalar or vector of files to be included with the KML file to be packaged.
; If not present, files in the same directory as the KML file and having the
; same base filename will be used.
;
; :Examples:
; Here is how to use this program with the Google Earth Image example in the
; `Coyote Gallery <http://www.idlcoyote.com/gallery/>`. The result is a file
; named "google_earth_image.kmz" that can be loaded into Google Earth.
; IDL> Google_Earth_Image
; IDL> kml2kmz, 'google_earth_image.kml'
;
; :Author:
; FANNING SOFTWARE CONSULTING::
; David W. Fanning
; 1645 Sheely Drive
; Fort Collins, CO 80526 USA
; Phone: 970-221-0438
; E-mail: david@idlcoyote.com
; Coyote's Guide to IDL Programming: http://www.idlcoyote.com
;
; :History:
; Change History::
; Written, 22 Fabruary 2013 by David W. Fanning.
;
; :Copyright:
; Copyright (c) 2013, Fanning Software Consulting, Inc.
;-
PRO cgKML2KMZ, kml_filename, supportFiles
Compile_Opt idl2
Catch, theError
IF theError NE 0 THEN BEGIN
Catch, /CANCEL
void = cgErrorMsg()
RETURN
ENDIF
; Only in IDL 8 or above.
IF Float(!Version.Release) LT 8.0 THEN BEGIN
Message, 'The kml2kmz program is only supported in IDL 8 or higher.'
ENDIF
; Initialize the object.
void = {IDLitWriteKML}
; Need a KML file name?
IF N_Elements(kml_filename) EQ 0 THEN BEGIN
kml_filename = cgPickfile(Filter='*.kml', Title='Select KML File...')
IF kml_filename EQ "" THEN RETURN
ENDIF
; Get the root name of the KML file.
rootName = cgRootname(kml_filename, Extension=kmlExt, Directory=kmlDir)
IF StrUpCase(kmlExt) NE 'KML' THEN Message, 'Input file does not appear to be a KML file.'
; Construct the output filename.
kmzFilename = Filepath(ROOT_Dir=kmlDir, rootName + '.kmz')
; Are there any supporting files?
IF N_Elements(supportFiles) EQ 0 THEN BEGIN
CD, kmlDir, Current=thisDir
supportFiles = File_Search(rootName + '*.png', Count=count)
ENDIF
; Append the KML filename to the supportFile, if there are some.
IF N_Elements(supportFiles) NE 0 THEN supportFiles = [kml_filename, supportFiles]
; Move the files to the KMZ file.
void = IDLKML_SaveKMZ(kmzFilename, supportFiles)
END