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page-break-after:avoid;
445
font-family:"Cambria","serif";
446
mso-fareast-font-family:"Times New Roman";
447
mso-fareast-theme-font:minor-fareast;
449
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450
{mso-style-noshow:yes;
451
mso-style-priority:99;
452
mso-style-link:"Header Char";
454
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455
mso-pagination:widow-orphan;
457
font-family:"Calibri","sans-serif";
458
mso-fareast-font-family:"Times New Roman";
459
mso-fareast-theme-font:minor-fareast;}
460
p.MsoFooter, li.MsoFooter, div.MsoFooter
461
{mso-style-noshow:yes;
462
mso-style-priority:99;
463
mso-style-link:"Footer Char";
465
margin-bottom:.0001pt;
466
mso-pagination:widow-orphan;
468
font-family:"Calibri","sans-serif";
469
mso-fareast-font-family:"Times New Roman";
470
mso-fareast-theme-font:minor-fareast;}
471
p.MsoTitle, li.MsoTitle, div.MsoTitle
472
{mso-style-priority:10;
474
mso-style-qformat:yes;
475
mso-style-link:"Title Char";
478
margin-bottom:15.0pt;
480
mso-pagination:widow-orphan;
482
font-family:"Cambria","serif";
483
mso-fareast-font-family:"Times New Roman";
484
mso-fareast-theme-font:minor-fareast;
485
mso-bidi-font-family:"Times New Roman";
487
letter-spacing:.25pt;
489
a:link, span.MsoHyperlink
490
{mso-style-noshow:yes;
491
mso-style-priority:99;
493
text-decoration:underline;
494
text-underline:single;}
495
a:visited, span.MsoHyperlinkFollowed
496
{mso-style-noshow:yes;
497
mso-style-priority:99;
499
text-decoration:underline;
500
text-underline:single;}
501
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
502
{mso-style-noshow:yes;
503
mso-style-priority:99;
504
mso-style-link:"Balloon Text Char";
506
margin-bottom:.0001pt;
507
mso-pagination:widow-orphan;
509
font-family:"Tahoma","sans-serif";
510
mso-fareast-font-family:"Times New Roman";
511
mso-fareast-theme-font:minor-fareast;}
512
p.MsoNoSpacing, li.MsoNoSpacing, div.MsoNoSpacing
513
{mso-style-priority:1;
515
mso-style-qformat:yes;
517
margin-bottom:.0001pt;
518
mso-pagination:widow-orphan;
520
font-family:"Calibri","sans-serif";
521
mso-fareast-font-family:"Times New Roman";
522
mso-fareast-theme-font:minor-fareast;}
523
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
524
{mso-style-priority:34;
526
mso-style-qformat:yes;
529
margin-bottom:10.0pt;
532
mso-pagination:widow-orphan;
534
font-family:"Calibri","sans-serif";
535
mso-fareast-font-family:"Times New Roman";
536
mso-fareast-theme-font:minor-fareast;}
538
{mso-style-name:"Heading 1 Char";
539
mso-style-priority:9;
541
mso-style-locked:yes;
542
mso-style-link:"Heading 1";
543
font-family:"Cambria","serif";
544
mso-ascii-font-family:Cambria;
545
mso-hansi-font-family:Cambria;
549
{mso-style-name:"Heading 2 Char";
550
mso-style-noshow:yes;
551
mso-style-priority:9;
553
mso-style-locked:yes;
554
mso-style-link:"Heading 2";
555
font-family:"Cambria","serif";
556
mso-ascii-font-family:Cambria;
557
mso-hansi-font-family:Cambria;
561
{mso-style-name:"Heading 3 Char";
562
mso-style-noshow:yes;
563
mso-style-priority:9;
565
mso-style-locked:yes;
566
mso-style-link:"Heading 3";
567
font-family:"Cambria","serif";
568
mso-ascii-font-family:Cambria;
569
mso-hansi-font-family:Cambria;
573
{mso-style-name:"Header Char";
574
mso-style-noshow:yes;
575
mso-style-priority:99;
577
mso-style-locked:yes;
578
mso-style-link:Header;}
580
{mso-style-name:"Footer Char";
581
mso-style-noshow:yes;
582
mso-style-priority:99;
584
mso-style-locked:yes;
585
mso-style-link:Footer;}
587
{mso-style-name:"Title Char";
588
mso-style-priority:10;
590
mso-style-locked:yes;
591
mso-style-link:Title;
592
font-family:"Cambria","serif";
593
mso-ascii-font-family:Cambria;
594
mso-hansi-font-family:Cambria;
596
letter-spacing:.25pt;
599
{mso-style-name:"Balloon Text Char";
600
mso-style-noshow:yes;
601
mso-style-priority:99;
603
mso-style-locked:yes;
604
mso-style-link:"Balloon Text";
605
font-family:"Tahoma","sans-serif";
606
mso-ascii-font-family:Tahoma;
607
mso-hansi-font-family:Tahoma;
608
mso-bidi-font-family:Tahoma;}
609
p.msotitlecxspfirst, li.msotitlecxspfirst, div.msotitlecxspfirst
610
{mso-style-name:msotitlecxspfirst;
612
mso-style-link:"Title Char";
614
margin-bottom:.0001pt;
615
mso-pagination:widow-orphan;
617
font-family:"Cambria","serif";
618
mso-fareast-font-family:"Times New Roman";
619
mso-fareast-theme-font:minor-fareast;
620
mso-bidi-font-family:"Times New Roman";
622
letter-spacing:.25pt;
624
p.msotitlecxspmiddle, li.msotitlecxspmiddle, div.msotitlecxspmiddle
625
{mso-style-name:msotitlecxspmiddle;
627
mso-style-link:"Title Char";
629
margin-bottom:.0001pt;
630
mso-pagination:widow-orphan;
632
font-family:"Cambria","serif";
633
mso-fareast-font-family:"Times New Roman";
634
mso-fareast-theme-font:minor-fareast;
635
mso-bidi-font-family:"Times New Roman";
637
letter-spacing:.25pt;
639
p.msotitlecxsplast, li.msotitlecxsplast, div.msotitlecxsplast
640
{mso-style-name:msotitlecxsplast;
642
mso-style-link:"Title Char";
645
margin-bottom:15.0pt;
647
mso-pagination:widow-orphan;
649
font-family:"Cambria","serif";
650
mso-fareast-font-family:"Times New Roman";
651
mso-fareast-theme-font:minor-fareast;
652
mso-bidi-font-family:"Times New Roman";
654
letter-spacing:.25pt;
656
p.msolistparagraphcxspfirst, li.msolistparagraphcxspfirst, div.msolistparagraphcxspfirst
657
{mso-style-name:msolistparagraphcxspfirst;
663
margin-bottom:.0001pt;
665
mso-pagination:widow-orphan;
667
font-family:"Calibri","sans-serif";
668
mso-fareast-font-family:"Times New Roman";
669
mso-fareast-theme-font:minor-fareast;}
670
p.msolistparagraphcxspmiddle, li.msolistparagraphcxspmiddle, div.msolistparagraphcxspmiddle
671
{mso-style-name:msolistparagraphcxspmiddle;
677
margin-bottom:.0001pt;
679
mso-pagination:widow-orphan;
681
font-family:"Calibri","sans-serif";
682
mso-fareast-font-family:"Times New Roman";
683
mso-fareast-theme-font:minor-fareast;}
684
p.msolistparagraphcxsplast, li.msolistparagraphcxsplast, div.msolistparagraphcxsplast
685
{mso-style-name:msolistparagraphcxsplast;
689
margin-bottom:10.0pt;
692
mso-pagination:widow-orphan;
694
font-family:"Calibri","sans-serif";
695
mso-fareast-font-family:"Times New Roman";
696
mso-fareast-theme-font:minor-fareast;}
697
p.msopapdefault, li.msopapdefault, div.msopapdefault
698
{mso-style-name:msopapdefault;
700
mso-margin-top-alt:auto;
702
margin-bottom:10.0pt;
705
mso-pagination:widow-orphan;
707
font-family:"Times New Roman","serif";
708
mso-fareast-font-family:"Times New Roman";
709
mso-fareast-theme-font:minor-fareast;}
717
{mso-style-type:export-only;
718
mso-default-props:yes;
720
mso-ansi-font-size:10.0pt;
721
mso-bidi-font-size:10.0pt;
722
mso-fareast-font-family:"MS Mincho";}
725
margin:1.0in 1.0in 1.0in 1.0in;
726
mso-header-margin:.5in;
727
mso-footer-margin:.5in;
735
/* Style Definitions */
737
{mso-style-name:"Table Normal";
738
mso-tstyle-rowband-size:0;
739
mso-tstyle-colband-size:0;
740
mso-style-noshow:yes;
741
mso-style-priority:99;
742
mso-style-qformat:yes;
744
mso-padding-alt:0in 5.4pt 0in 5.4pt;
746
mso-para-margin-bottom:.0001pt;
747
mso-pagination:widow-orphan;
749
font-family:"Times New Roman","serif";}
751
<![endif]--><!--[if gte mso 9]><xml>
752
<o:shapedefaults v:ext="edit" spidmax="6146"/>
753
</xml><![endif]--><!--[if gte mso 9]><xml>
754
<o:shapelayout v:ext="edit">
755
<o:idmap v:ext="edit" data="1"/>
756
</o:shapelayout></xml><![endif]-->
759
<body lang=EN-US link=blue vlink=purple style='tab-interval:.5in'>
763
<div style='border:none;border-bottom:solid #4F81BD 1.0pt;padding:0in 0in 4.0pt 0in'>
765
<p class=MsoTitle>Specification for</p>
767
<p class=MsoTitle><span class=SpellE>MrSID</span>/MG4 <span class=SpellE>LiDAR</span>
770
<p class=MsoTitle>Version 1.0</p>
774
<p class=MsoNoSpacing align=right style='text-align:right'>Michael Rosen, et al</p>
776
<p class=MsoNoSpacing align=right style='text-align:right'><span class=SpellE>LizardTech</span></p>
778
<p class=MsoNoSpacing align=right style='text-align:right'>March 2010</p>
780
<h1><span style='mso-fareast-font-family:"Times New Roman"'>1.
781
Introduction<o:p></o:p></span></h1>
783
<p class=MsoNormal>This document specifies the contents of an XML document used
784
as a �view� into a <span class=SpellE>LiDAR</span> point cloud.<span
785
style='mso-spacerun:yes'>� </span>It is intended to be a rigorous definition of
786
an XML-based format for specifying <span class=SpellE>rasterization</span> of
787
point cloud data.<span style='mso-spacerun:yes'>� </span>If you are looking for
788
�something to get me started very quickly,� please see the examples below.</p>
790
<h1><span style='mso-fareast-font-family:"Times New Roman"'>2. Document
791
Structure <i>(informative)</i><o:p></o:p></span></h1>
793
<p class=MsoNormal>The overall element structure of a View document is
794
informally shown below. Indentation and regular expression syntax are
795
used to intuitively indicate parent-child nesting and the number of occurrences
798
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
799
<span class=SpellE>PointCloudView</span></span></p>
801
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
802
<span class=SpellE>InputFile</span> +</span></p>
804
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
805
<span class=SpellE><span class=GramE>Datatype</span></span><span class=GramE> ?</span></span></p>
807
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
810
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
811
<span class=GramE>Channel ?</span></span></p>
813
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
814
<span class=SpellE><span class=GramE>ClassificationFilter</span></span><span
815
class=GramE> ?</span></span></p>
817
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
818
<span class=SpellE><span class=GramE>ReturnNumberFilter</span></span><span
819
class=GramE> ?</span></span></p>
821
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
822
<span class=SpellE><span class=GramE>AggregationMethod</span></span><span
823
class=GramE> ?</span></span></p>
825
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
826
<span class=SpellE><span class=GramE>InterpolationMethod</span></span><span
827
class=GramE> ?</span></span></p>
829
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
830
<span class=SpellE><span class=GramE>ClassificationFilter</span></span><span
831
class=GramE> ?</span></span></p>
833
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
834
<span class=SpellE><span class=GramE>ReturnNumberFilter</span></span><span
835
class=GramE> ?</span></span></p>
837
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
838
<span class=SpellE><span class=GramE>AggregationMethod</span></span><span
839
class=GramE> ?</span></span></p>
841
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
842
<span class=SpellE><span class=GramE>InterpolationMethod</span></span><span
843
class=GramE> ?</span></span></p>
845
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
846
<span class=SpellE><span class=GramE>ClipBox</span></span><span class=GramE> ?</span></span></p>
848
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
849
<span class=SpellE><span class=GramE>CellSize</span></span><span class=GramE> ?</span></span></p>
851
<p class=MsoNoSpacing><span style='font-family:"Courier New"'>
852
<span class=SpellE><span class=GramE>GeoReference</span></span><span
853
class=GramE> ?</span></span></p>
855
<h1><span style='mso-fareast-font-family:"Times New Roman"'>3. Elements<o:p></o:p></span></h1>
857
<p class=MsoNormal>Each element is specified as follows:</p>
859
<p class=MsoNormal style='text-indent:.5in'><span class=SpellE><b>ElementName</b></span></p>
861
<p class=MsoListParagraph style='margin-left:.75in;text-indent:-.25in'><span
862
style='font-family:Symbol'>�</span><span style='font-size:7.0pt;line-height:
863
115%;font-family:"Times New Roman","serif"'>
864
</span><b>Cardinality: </b> number of occurrences allowed</p>
866
<p class=MsoListParagraph style='margin-left:.75in;text-indent:-.25in'><span
867
style='font-family:Symbol'>�</span><span style='font-size:7.0pt;line-height:
868
115%;font-family:"Times New Roman","serif"'>
869
</span><b>Parents: </b>what element(s) may contain this element</p>
871
<p class=MsoListParagraph style='margin-left:.75in;text-indent:-.25in'><span
872
style='font-family:Symbol'>�</span><span style='font-size:7.0pt;line-height:
873
115%;font-family:"Times New Roman","serif"'>
874
</span><b>Contents:</b> what may be placed inside the element</p>
876
<p class=MsoListParagraph style='margin-left:.75in;text-indent:-.25in'><span
877
style='font-family:Symbol'>�</span><span style='font-size:7.0pt;line-height:
878
115%;font-family:"Times New Roman","serif"'>
879
</span><b>Attributes: </b>what attributes are allowed, if any</p>
881
<p class=MsoListParagraph style='margin-left:.75in;text-indent:-.25in'><span
882
style='font-family:Symbol'>�</span><span style='font-size:7.0pt;line-height:
883
115%;font-family:"Times New Roman","serif"'>
884
</span><b>Notes: </b>additional usage information or restriction</p>
886
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.1.<span
887
class=GramE> <span class=SpellE>PointClouldView</span></span><o:p></o:p></span></h2>
889
<p class=MsoNormal><b>Description:</b> the root element for the document</p>
891
<p class=MsoNormal><b>Cardinality:</b> 1</p>
893
<p class=MsoNormal><b>Parents</b>:<b> </b>none (must be root element)</p>
895
<p class=MsoNormal><b>Contents: </b>child elements as specified below:</p>
897
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
898
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
899
</span><span class=SpellE><span style='font-family:"Courier New"'>InputFile</span></span></p>
901
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
902
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
903
</span><span class=SpellE><span style='font-family:"Courier New"'>Datatype</span></span></p>
905
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
906
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
907
</span><span style='font-family:"Courier New"'>Band</span></p>
909
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
910
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
911
</span><span class=SpellE><span style='font-family:"Courier New"'>ClassificationFilter</span></span></p>
913
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
914
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
915
</span><span class=SpellE><span style='font-family:"Courier New"'>ReturnNumberFilter</span></span></p>
917
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
918
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
919
</span><span class=SpellE><span style='font-family:"Courier New"'>AggregationMethod</span></span></p>
921
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
922
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
923
</span><span class=SpellE><span style='font-family:"Courier New"'>InterpolationMethod</span></span></p>
925
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
926
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
927
</span><span class=SpellE><span style='font-family:"Courier New"'>ClipBox</span></span></p>
929
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
930
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
931
</span><span class=SpellE><span style='font-family:"Courier New"'>CellSize</span></span></p>
933
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
934
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
935
</span><span class=SpellE><span style='font-family:"Courier New"'>GeoReference</span></span></p>
937
<p class=MsoNormal><b>Attributes:</b></p>
939
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
940
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
941
</span><span class=GramE><span style='font-family:"Courier New"'>version</span></span>
942
� this attribute must be present and set to the value <span style='font-family:
943
"Courier New"'>1.0</span></p>
945
<p class=MsoNormal><b>Notes</b>: <i>(none)</i></p>
947
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.2.<span
948
class=GramE> <span class=SpellE>InputFile</span></span><o:p></o:p></span></h2>
950
<p class=MsoNormal><b>Description: </b>specifies an input file containing
953
<p class=MsoNormal><b>Cardinality: </b>1<span class=GramE>..n</span></p>
955
<p class=MsoNormal><b>Parents: </b><span class=SpellE><span
956
style='font-family:"Courier New"'>PointClouldView</span></span></p>
958
<p class=MsoNormal><b>Contents: </b>string (corresponding to a filename)</p>
960
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
962
<p class=MsoNormal><b>Notes:</b></p>
964
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
965
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
966
</span><span class=GramE>Typically</span> the file will be a <span
967
class=SpellE>MrSID</span>/MG4 <span class=SpellE>LiDAR</span> file, but may
968
also be a LAS file.</p>
970
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
971
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
972
</span><span class=GramE>The</span> file name given may have a relative or
973
absolute path. If relative, the path is to be expanded relative to the
974
directory containing this View document.</p>
976
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.3.<span
977
class=GramE> <span class=SpellE>Datatype</span></span><o:p></o:p></span></h2>
979
<p class=MsoNormal><b>Description: </b>specifies the <span class=SpellE>datatype</span>
980
to which channel data should be coerced</p>
982
<p class=MsoNormal><b>Cardinality: </b>0 or 1</p>
984
<p class=MsoNormal><b>Parents: </b><span class=SpellE><span
985
style='font-family:"Courier New"'>PointClouldView</span></span></p>
987
<p class=MsoNormal><b>Contents: </b>string (corresponding to a <span
988
class=SpellE>datatype</span> name)</p>
990
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
992
<p class=MsoNormal><b>Notes:</b></p>
994
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
995
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
996
</span>If this element is not present, the native <span class=SpellE>datatype</span>
997
of the channel is used.</p>
999
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1000
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1001
</span>Legal values are derived from those returned by <span class=SpellE><span
1002
style='font-family:"Courier New"'>GDALGetDataTypeByName</span></span>, as
1005
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in'><span
1006
class=GramE><span style='font-family:"Courier New"'>o</span></span><span
1007
style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1008
</span><span style='font-family:"Courier New"'>Byte</span></p>
1010
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in'><span
1011
class=GramE><span style='font-family:"Courier New"'>o</span></span><span
1012
style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1013
</span><span style='font-family:"Courier New"'>UInt16</span></p>
1015
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in'><span
1016
class=GramE><span style='font-family:"Courier New"'>o</span></span><span
1017
style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1018
</span><span style='font-family:"Courier New"'>Int16</span></p>
1020
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in'><span
1021
class=GramE><span style='font-family:"Courier New"'>o</span></span><span
1022
style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1023
</span><span style='font-family:"Courier New"'>UInt32</span></p>
1025
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in'><span
1026
class=GramE><span style='font-family:"Courier New"'>o</span></span><span
1027
style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1028
</span><span style='font-family:"Courier New"'>Int32</span></p>
1030
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in'><span
1031
class=GramE><span style='font-family:"Courier New"'>o</span></span><span
1032
style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1033
</span><span style='font-family:"Courier New"'>Float32</span></p>
1035
<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in'><span
1036
class=GramE><span style='font-family:"Courier New"'>o</span></span><span
1037
style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1038
</span><span style='font-family:"Courier New"'>Float64</span></p>
1040
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1041
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1042
</span>Channel data will be coerced via a c-style cast, truncating data as
1045
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.4.<span
1046
class=GramE> Band</span><o:p></o:p></span></h2>
1048
<p class=MsoNormal><b>Description: </b>list of which band(s) to expose
1049
and in what manner to process the band data</p>
1051
<p class=MsoNormal><b>Cardinality: </b>0<span style='mso-fareast-font-family:
1052
"MS Mincho"'>, 1 or 3<o:p></o:p></span></p>
1054
<p class=MsoNormal><b>Parents: </b><span class=SpellE><span
1055
style='font-family:"Courier New"'>PointClouldView</span></span></p>
1057
<p class=MsoNormal><b>Contents: </b>child elements as follows:</p>
1059
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1060
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1061
</span>0 or 1 <span style='font-family:"Courier New"'>Channel</span> element</p>
1063
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1064
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1065
</span>0 or 1 <span class=SpellE><span style='font-family:"Courier New"'>ClassificationFilter</span></span>
1068
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1069
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1070
</span>0 or 1 <span class=SpellE><span style='font-family:"Courier New"'>ReturnNumberFilter</span></span>
1073
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1074
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1075
</span>0 or 1 <span class=SpellE><span style='font-family:"Courier New"'>InterpolationMethod</span></span>
1078
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1079
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1080
</span>0 or 1 <span class=SpellE><span style='font-family:"Courier New"'>AggregationMethod</span></span>
1083
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
1085
<p class=MsoNormal><b>Notes:</b></p>
1087
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1088
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1089
</span><span class=GramE>Not</span> specifying any bands is the same as
1090
specifying only one with all default values.</p>
1092
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.5.<span
1093
class=GramE> Channel</span><o:p></o:p></span></h2>
1095
<p class=MsoNormal><b>Description: </b>the name of the channel in the
1098
<p class=MsoNormal><b>Cardinality:</b> 0 or 1 per <span style='font-family:
1099
"Courier New"'>Band</span> element</p>
1101
<p class=MsoNormal><b>Parents: </b><span style='font-family:"Courier New"'>Band</span></p>
1103
<p class=MsoNormal><b>Contents: </b>we use the following canonical names
1106
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1107
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1108
</span><span style='font-family:"Courier New"'>X</span></p>
1110
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1111
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1112
</span><span style='font-family:"Courier New"'>Y</span></p>
1114
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1115
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1116
</span><span style='font-family:"Courier New"'>Z</span></p>
1118
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1119
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1120
</span><span style='font-family:"Courier New"'>Intensity</span></p>
1122
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1123
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1124
</span><span class=SpellE><span style='font-family:"Courier New"'>ReturnNum</span></span></p>
1126
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1127
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1128
</span><span class=SpellE><span style='font-family:"Courier New"'>NumReturns</span></span></p>
1130
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1131
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1132
</span><span class=SpellE><span style='font-family:"Courier New"'>ScanDir</span></span></p>
1134
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1135
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1136
</span><span class=SpellE><span style='font-family:"Courier New"'>EdgeFlightLine</span></span></p>
1138
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1139
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1140
</span><span class=SpellE><span style='font-family:"Courier New"'>ClassId</span></span></p>
1142
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1143
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1144
</span><span class=SpellE><span style='font-family:"Courier New"'>ScanAngle</span></span></p>
1146
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1147
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1148
</span><span class=SpellE><span style='font-family:"Courier New"'>UserData</span></span></p>
1150
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1151
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1152
</span><span class=SpellE><span style='font-family:"Courier New"'>SourceId</span></span></p>
1154
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1155
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1156
</span><span class=SpellE><span style='font-family:"Courier New"'>GPSTime</span></span></p>
1158
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1159
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1160
</span><span style='font-family:"Courier New"'>Red</span></p>
1162
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1163
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1164
</span><span style='font-family:"Courier New"'>Green</span></p>
1166
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1167
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1168
</span><span style='font-family:"Courier New"'>Blue</span></p>
1170
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
1172
<p class=MsoNormal><b>Notes</b></p>
1174
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1175
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1176
</span>Custom channels have non-canonical names, are supported, and may be
1179
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1180
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1181
</span><span class=GramE>If</span> this element is omitted, the <span
1182
style='font-family:"Courier New"'>Channel</span> for the <span
1183
style='font-family:"Courier New"'>Band</span> shall default to <span
1184
style='font-family:"Courier New"'>Z</span>.</p>
1186
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1187
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1188
</span><span class=GramE>The</span> channel names are derived from <span
1189
class=SpellE><span style='font-family:"Courier New"'>PointData.h</span></span>
1190
of the MG4 Decode SDK.</p>
1192
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.6.<span
1193
class=GramE> <span class=SpellE>ClassificationFilter</span></span><o:p></o:p></span></h2>
1195
<p class=MsoNormal><b>Description: </b>A filter for points whose
1196
classification code is one of the specified values.</p>
1198
<p class=MsoNormal><b>Cardinality: </b>0 or 1 per <span style='font-family:
1199
"Courier New"'>Band</span> element</p>
1201
<p class=MsoNormal><b>Parents: </b><span style='font-family:"Courier New"'>Band</span>
1202
or<span style='font-family:"Courier New"'> <span class=SpellE>PointCloudView</span></span></p>
1204
<p class=MsoNormal><b>Contents: </b><span style='mso-bidi-font-weight:
1205
bold'>s</span>pace-separated �Classification Values� (0-31) as defined by ASPRS
1206
Standard <span class=SpellE>LIDAR</span> Point Classes in the LAS 1.3
1209
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
1211
<p class=MsoNormal><b>Notes:</b></p>
1213
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1214
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1215
</span><span class=GramE>If</span> this element is omitted, the band shall have
1216
no classification filter applied.</p>
1218
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1219
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1220
</span><span class=GramE>If</span> this element is a child of the <span
1221
class=SpellE><span style='font-family:"Courier New"'>PointCloudView</span></span>
1222
element, it applies to all bands (unless overridden for a specific band)</p>
1224
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1225
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1226
</span>If this element is a child of a <span style='font-family:"Courier New"'>Band</span>
1227
elemen<a name="_GoBack"></a>t, it applies to this band only and overrides any
1230
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1231
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1232
</span>Note that numbers are used to represent the filters, rather than
1233
strings. This is because there is no canonical, simple naming convention
1234
for them, and is also in keeping with existing practice in certain existing
1237
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.7.<span
1238
class=GramE> <span class=SpellE>ReturnNumberFilter</span></span><o:p></o:p></span></h2>
1240
<p class=MsoNormal><b>Description: </b>A filter for points whose return
1241
number is one of the specified values.</p>
1243
<p class=MsoNormal><b>Cardinality: </b>0 or 1 per <span style='font-family:
1244
"Courier New"'>Band</span> element</p>
1246
<p class=MsoNormal><b>Parents: </b><span style='font-family:"Courier New"'>Band</span>
1247
or <span class=SpellE><span style='font-family:"Courier New"'>PointCloudView</span></span></p>
1249
<p class=MsoNormal><b>Contents:</b><span style='mso-bidi-font-weight:bold'><span
1250
style='mso-spacerun:yes'>� </span>space-separated </span>numbers (1, <span
1251
class=GramE>2, �)</span> or the string <span style='font-family:"Courier New"'>LAST</span></p>
1253
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
1255
<p class=MsoNormal><b>Notes:</b></p>
1257
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1258
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1259
</span><span class=GramE>If</span> this element is omitted, the band shall have
1260
no return number filter applied</p>
1262
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1263
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1264
</span><span class=GramE>If</span> this element is a child of the <span
1265
class=SpellE><span style='font-family:"Courier New"'>PointCloudView</span></span>
1266
element, it applies to all bands (unless overridden for a specific band)</p>
1268
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1269
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1270
</span>If this element is a child of a <span style='font-family:"Courier New"'>Band</span>
1271
element, it applies to this band only and overrides any other setting</p>
1273
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.8.<span
1274
class=GramE> <span class=SpellE>AggregationMethod</span></span><o:p></o:p></span></h2>
1276
<p class=MsoNormal><b>Description: </b>Each cell (pixel) can expose a
1277
single value. When 2 or more points fall on a single cell, this method
1278
determines what value to expose.</p>
1280
<p class=MsoNormal><b>Cardinality: </b>0 or 1 per <span style='font-family:
1281
"Courier New"'>Band</span> element</p>
1283
<p class=MsoNormal><b>Parents: </b><span style='font-family:"Courier New"'>Band</span>
1284
or <span class=SpellE><span style='font-family:"Courier New"'>PointCloudView</span></span></p>
1286
<p class=MsoNormal><b>Contents: </b>a string, one of <span
1287
style='font-family:"Courier New"'>Min</span>, <span style='font-family:"Courier New"'>Max</span>,
1288
or <span style='font-family:"Courier New"'>Mean</span></p>
1290
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
1292
<p class=MsoNormal><b>Notes:</b></p>
1294
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1295
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1296
</span><span class=GramE>If</span> this element is omitted, the band shall have
1297
the �Mean� aggregation method applied</p>
1299
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1300
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1301
</span><span class=GramE>If</span> this element is a child of the <span
1302
class=SpellE><span style='font-family:"Courier New"'>PointCloudView</span></span>
1303
element, it applies to all bands (unless overridden for a specific band)</p>
1305
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1306
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1307
</span>If this element is a child of a <span style='font-family:"Courier New"'>Band</span>
1308
element, it applies to this band only and overrides any other setting</p>
1310
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.9.<span
1311
class=GramE> <span class=SpellE>InterpolationMethod</span></span><o:p></o:p></span></h2>
1313
<p class=MsoNormal><b>Description: </b>Method and parameter to interpolate
1314
NODATA values. Also specifies what the NODATA value is.</p>
1316
<p class=MsoNormal><b>Cardinality: </b>0 or 1 per Band element</p>
1318
<p class=MsoNormal><b>Parents: </b><span style='font-family:"Courier New"'>Band</span>
1319
or <span class=SpellE><span style='font-family:"Courier New"'>PointCloudView</span></span></p>
1321
<p class=MsoNormal><b>Contents: </b> exactly one of the following
1324
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1325
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1326
</span><span style='font-family:"Courier New"'>None</span></p>
1328
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1329
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1330
</span><span class=SpellE><span style='font-family:"Courier New"'>InverseDistanceToAPower</span></span></p>
1332
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1333
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1334
</span><span class=SpellE><span style='font-family:"Courier New"'>MovingAverage</span></span></p>
1336
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1337
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1338
</span><span class=SpellE><span style='font-family:"Courier New"'>NearestNeighbor</span></span></p>
1340
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1341
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1342
</span><span style='font-family:"Courier New"'>Minimum</span></p>
1344
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1345
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1346
</span><span style='font-family:"Courier New"'>Maximum</span></p>
1348
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1349
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1350
</span><span style='font-family:"Courier New"'>Range</span></p>
1352
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
1354
<p class=MsoNormal><b>Notes</b></p>
1356
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1357
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1358
</span><span class=GramE>Each</span> of the interpolation methods (<span
1359
class=SpellE><span style='font-family:"Courier New"'>MovingAverage</span></span>,
1360
etc.) is an element whose content is a text string corresponding to the
1361
parameter(s) for that method. See <a
1362
href="http://www.gdal.org/grid_tutorial.html">http://www.gdal.org/grid_tutorial.html</a>
1363
for a description of the methods and their parameter strings.</p>
1365
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1366
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1367
</span><span class=GramE>In</span> the parameter descriptions, <span
1368
style='font-family:"Courier New"'>MAX</span> is used to indicate the value
1369
defined by <span class=SpellE>libc</span> which is the largest supportable
1370
value for the output <span class=SpellE>datatype</span>. If you choose to
1371
override this default be sure that the number you specify will fit in the <span
1372
class=SpellE>datatype</span> you specify.</p>
1374
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1375
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1376
</span><span class=GramE>If</span> this element is omitted, the band shall have
1377
the �None� interpolation method applied.</p>
1379
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1380
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1381
</span><span class=GramE>If</span> this element is a child of the <span
1382
class=SpellE><span style='font-family:"Courier New"'>PointCloudView</span></span>
1383
element, it applies to all bands (unless overridden for a specific band)</p>
1385
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1386
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1387
</span>If this element is a child of a <span style='font-family:"Courier New"'>Band</span>
1388
element, it applies to this band only and overrides any other setting</p>
1390
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.10.<span
1391
class=GramE> <span class=SpellE>ClipBox</span></span><o:p></o:p></span></h2>
1393
<p class=MsoNormal><b>Description: </b>geographic extent of region to be
1396
<p class=MsoNormal><b>Cardinality: </b>0 or 1</p>
1398
<p class=MsoNormal><b>Parents: </b><span class=SpellE><span
1399
style='font-family:"Courier New"'>PointClouldView</span></span></p>
1401
<p class=MsoNormal><b>Contents: </b>4 or 6 doubles; the string <span
1402
style='font-family:"Courier New"'>NOFILTER</span> may be specified in place of
1405
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
1407
<p class=MsoNormal><b>Notes:</b></p>
1409
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1410
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1411
</span><span class=GramE>The</span> full 6 values are (in order): <span
1412
class=SpellE>xmin</span>, <span class=SpellE>xmax</span>, <span class=SpellE>ymin</span>,
1413
<span class=SpellE>ymax</span>, <span class=SpellE>zmin</span>, <span
1414
class=SpellE>zmax</span>.</p>
1416
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1417
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1418
</span><span class=GramE>The</span> string <span style='font-family:"Courier New"'>NOFILTER</span>
1419
means to use the corresponding value of the Minimum Bounding Rectangle (MBR) of
1420
the input files. The point is not filtered by that value. </p>
1422
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1423
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1424
</span>If only 4 double are present, the <span class=SpellE>zmin</span> and <span
1425
class=SpellE>zmax</span> are assumed to be <span style='font-family:"Courier New"'>NOFILTER</span>.</p>
1427
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1428
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1429
</span><span class=GramE>If</span> this element is not present, the clip box is
1430
assumed to be the MBR of the input files.</p>
1432
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.11.<span
1433
class=GramE> <span class=SpellE>CellSize</span></span><o:p></o:p></span></h2>
1435
<p class=MsoNormal><b>Description: </b>Side length of a (square) pixel in
1438
<p class=MsoNormal><b>Cardinality: </b>0 or 1</p>
1440
<p class=MsoNormal><b>Parents: </b><span class=SpellE><span
1441
style='font-family:"Courier New"'>PointClouldView</span></span></p>
1443
<p class=MsoNormal><b>Contents: </b>1 double</p>
1445
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
1447
<p class=MsoNormal><b>Notes:</b></p>
1449
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1450
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1451
</span><span class=GramE>This</span> element is used to determine the size of
1452
the resulting raster.</p>
1454
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1455
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1456
</span><span class=GramE>If</span> this element is omitted, the default cell
1457
size is the average (linear) point spacing (assuming a uniform distribution
1458
over the entire extent).</p>
1460
<h2><span style='mso-fareast-font-family:"Times New Roman"'>3.12.<span
1461
class=GramE> <span class=SpellE>GeoReference</span></span><o:p></o:p></span></h2>
1463
<p class=MsoNormal><b>Description: </b>the coordinate reference system of
1466
<p class=MsoNormal><b>Cardinality: </b>0 or 1</p>
1468
<p class=MsoNormal><b>Parents: </b><span class=SpellE><span
1469
style='font-family:"Courier New"'>PointClouldView</span></span></p>
1471
<p class=MsoNormal><b>Contents: </b> a string (corresponding to a WKT)</p>
1473
<p class=MsoNormal><b>Attributes: </b><i>(none)</i></p>
1475
<p class=MsoNormal><b>Notes:</b></p>
1477
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1478
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1479
</span>If this element is omitted, the WKT of the input files is used. If
1480
two or more files have different WKTs, then no <span class=SpellE>GeoReference</span>
1483
<p class=MsoListParagraph style='text-indent:-.25in'><span style='font-family:
1484
Symbol'>�</span><span style='font-size:7.0pt;line-height:115%;font-family:"Times New Roman","serif"'>
1485
</span><span class=GramE>A</span> typical use of this element is for when the
1486
MG4 file was created without adequate <span class=SpellE>GeoReference</span>
1487
information: cases where some combination of UOM, <span class=SpellE>HorizCS</span>
1488
and <span class=SpellE>VertCS</span> are missing are quite common.</p>
1490
<h1><span style='mso-fareast-font-family:"Times New Roman"'>4. Additional
1491
Requirements<o:p></o:p></span></h1>
1493
<p class=MsoNormal>Any element not recognized should be treated as an error.</p>
1495
<p class=MsoNormal>Any attribute not recognized should be treated as an error.</p>
1497
<p class=MsoNormal>This specification does not mandate the lexical ordering of
1498
the child elements within a given parent.</p>
1500
<h1><span style='mso-fareast-font-family:"Times New Roman"'>5. Examples<o:p></o:p></span></h1>
1502
<h3><span style='mso-fareast-font-family:"Times New Roman"'>5.1.<span
1503
class=GramE> Simplest</span> possible .view file<o:p></o:p></span></h3>
1505
<p class=MsoNormal>The simplest way to view an MG4 file is to wrap it in a
1506
View (.view) file like this.<span style='mso-spacerun:yes'>� </span>Here, the relative
1507
reference to the MG4 file means that the file must exist in the same directory
1508
as the .view file.<span style='mso-spacerun:yes'>� </span>Since we�re not
1509
mapping any bands explicitly, we get the default, which is elevation only.<span
1510
style='mso-spacerun:yes'>� </span>By default, we aggregate based on mean.<span
1511
style='mso-spacerun:yes'>� </span>That is, if two (or more) points land on a
1512
single cell, we will expose the average of the two.<span
1513
style='mso-spacerun:yes'>� </span>There�s no filtering here so we�ll get all
1514
the points regardless of classification code or return number.<span
1515
style='mso-spacerun:yes'>� </span>Since the native <span class=SpellE>datatype</span>
1516
of elevation is �Float64�, that is the <span class=SpellE>datatype</span> of the
1517
band we will expose.</p>
1519
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'><<span
1520
class=SpellE>PointCloudView</span>></span></p>
1522
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1523
<<span class=SpellE>InputFile</span>>Tetons.sid</<span class=SpellE>InputFile</span>></span></p>
1525
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'></<span
1526
class=SpellE>PointCloudView</span>></span></p>
1528
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'> </span></p>
1530
<h3><span style='mso-fareast-font-family:"Times New Roman"'>5.2. Crop the data<o:p></o:p></span></h3>
1532
<p class=MsoNormal>This is similar to the example above but we are using the optional
1533
<span class=SpellE>ClipBox</span> tag to select a 300 meter North-South swatch
1534
through the cloud.<span style='mso-spacerun:yes'>� </span>If we wanted to crop
1535
in the East-West directions, we could have specified that explicitly instead of
1536
using NOFITLER for those.<span style='mso-spacerun:yes'>� </span>Similarly, we
1537
could also have cropped in the Z direction as well.</p>
1539
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'><<span
1540
class=SpellE>PointCloudView</span>></span></p>
1542
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1543
<<span class=SpellE>InputFile</span>>Tetons.sid</<span class=SpellE>InputFile</span>></span></p>
1545
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1546
<<span class=SpellE>ClipBox</span>>505500 505800 NOFILTER
1547
NOFILTER</ClipBox></span></p>
1549
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'></<span
1550
class=SpellE>PointCloudView</span>></span></p>
1552
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'> </span></p>
1554
<h3><span style='mso-fareast-font-family:"Times New Roman"'>5.3.<span
1555
class=GramE> Expose</span> as a bare earth (Max) DEM<o:p></o:p></span></h3>
1557
<p class=MsoNormal>Here, we expose a single band (elevation) but we want only <span
1558
class=GramE>those points</span> that have been classified as �Ground.�<span
1559
style='mso-spacerun:yes'>� </span>The <span class=SpellE>ClassificationFitler</span>
1560
specifies a value of 2 � the ASPRS Point Class code that stipulates �Ground�
1561
points.<span style='mso-spacerun:yes'>� </span>Additionally, instead of the
1562
default �Mean� aggregation method, we specify �Max.�<span
1563
style='mso-spacerun:yes'>� </span>This means that if two (or more) points land
1564
on a single cell, we expose the larger of the two elevation values.</p>
1566
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'><<span
1567
class=SpellE>PointCloudView</span>></span></p>
1569
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1570
<<span class=SpellE>InputFile</span>>E:\ESRIDevSummit2010\Tetons.sid</<span
1571
class=SpellE>InputFile</span>></span></p>
1573
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1574
<Band> <<span class=GramE>!--</span> Max Bare Earth--></span></p>
1576
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1577
<Channel>Z</Channel></span></p>
1579
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1580
<<span class=SpellE>AggregationMethod</span>>Max</<span class=SpellE>AggregationMethod</span>></span></p>
1582
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1583
<<span class=SpellE>ClassificationFilter</span>>2</<span class=SpellE>ClassificationFilter</span>></span></p>
1585
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1586
</Band></span></p>
1588
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'></<span
1589
class=SpellE>PointCloudView</span>></span></p>
1591
<h3><span style='mso-fareast-font-family:"Times New Roman"'>5.4.<span
1592
class=GramE> <span style='mso-fareast-font-family:"MS Mincho"'>Intensity</span></span></span><span
1593
style='mso-fareast-font-family:"MS Mincho"'> image<o:p></o:p></span></h3>
1595
<p class=MsoNormal><span style='mso-fareast-font-family:"MS Mincho"'>Here we
1596
expose an intensity image from the point cloud</span>.</p>
1598
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'><<span
1599
class=SpellE>PointCloudView</span>></span></p>
1601
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1602
<<span class=SpellE>InputFile</span>>Tetons.sid</<span class=SpellE>InputFile</span>></span></p>
1604
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1605
<Band></span></p>
1607
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1608
<span class=GramE><!--</span> All intensities --></span></p>
1610
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1611
<Channel>Intensity</Channel></span></p>
1613
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1614
</Band></span></p>
1616
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'></<span
1617
class=SpellE>PointCloudView</span>></span></p>
1619
<h3><span style='mso-fareast-font-family:"Times New Roman"'>5.</span><span
1620
style='mso-fareast-font-family:"MS Mincho"'>5</span><span class=GramE><span
1621
style='mso-fareast-font-family:"Times New Roman"'> </span><span
1622
style='mso-fareast-font-family:"MS Mincho"'>RGB</span></span><span
1623
style='mso-fareast-font-family:"MS Mincho"'> image<o:p></o:p></span></h3>
1625
<p class=MsoNormal><span style='mso-fareast-font-family:"MS Mincho"'>Some point
1626
cloud images include RGB data.<span style='mso-spacerun:yes'>� </span>If that�s
1627
the case, you can use a .view file like this to expose that data.</span></p>
1629
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'><<span
1630
class=SpellE>PointCloudView</span>><o:p></o:p></span></p>
1632
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1633
<<span class=SpellE>InputFile</span>><st1:place w:st="on"><st1:PlaceName
1634
w:st="on">Grass</st1:PlaceName> <st1:PlaceType w:st="on">Lake</st1:PlaceType></st1:place>
1635
<span class=SpellE>Small.xyzRGB.sid</span></<span class=SpellE>InputFile</span>><o:p></o:p></span></p>
1637
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1638
<Band><o:p></o:p></span></p>
1640
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1641
<Channel>Red</Channel><o:p></o:p></span></p>
1643
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1644
</Band><o:p></o:p></span></p>
1646
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1647
<Band><o:p></o:p></span></p>
1649
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1650
<Channel>Green</Channel><o:p></o:p></span></p>
1652
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1653
</Band><o:p></o:p></span></p>
1655
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1656
<Band><o:p></o:p></span></p>
1658
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1659
<Channel>Blue</Channel><o:p></o:p></span></p>
1661
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'>
1662
</Band><o:p></o:p></span></p>
1664
<p class=MsoNoSpacing style='margin-left:.5in'><span style='font-family:"Courier New"'></<span
1665
class=SpellE>PointCloudView</span>><o:p></o:p></span></p>
1667
<p class=MsoNormal> </p>
added
removed
frmts/mrsid_lidar/frmt_mrsid_lidar_view_point_cloud.html
