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Tragni, F.

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JSC-1 4277
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NASA CR.C, 7/
IMPLEMENTATION SPECIFICATION DOCUMEW
FOR
MERGE OF BTREAD, PHASE 1, AND PHASE 2
"4ladE availaMe vender NASA sponsorship ACCURACY ASSESSMENT PROGRAMS
rariy and wide dis-
semir^G'^^^t of (;;. I^ liesuurces Survey
Program inforrgdtion and without liability
	
Job Order 73-783
for any use made thereof,"
(F;$0-10285) IMPLEMENTATIUN SLI LCIFICATIUN	 NOO-30853
DUCUBBST FOR MERGE OF BTREAD, PHASE 1, AND
PHA5L 2 ACCURACY ASS.ESSMEN1 PROGUAMS
(,Lockheed Electronics Co.) 14 P	 Unc;las
HC A02 /8F AU 1	 CSCL 09B G3/43 00285
Prepared By
Lockheed Electronics Company, Inc.
Systems and Services Division
Houston, Texas
Contract NAS 9-15200
For
EARTH OBSERVATIONS DIVISION
SPACE AND LIFE SCIENCES DIRL"CTORATE
National AeronauIles and .Space Aclrninistration
L YNDON . B.' ,JOHNSON SPACE' CENTER
Houston, Texas
May 1978
LEC-12348
	
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1SC Form 2026A (Rev Apr 73)
NASA-JSC
	
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IMPLEMENTATION SPECIFICATION DOCUMENT FOR
MERGE OF BTREAD, PHASE 1, AND PHASE 2
ACCURACY ASSESSMENT PROGRAMS
Job Order 73-•783
PREPARED BY
A
1	 .^	 /	 Lr
l
agni
Data Facilities Department
APPROVED BY
-LEG	 NASA
/r
ul C. Swanzy, Mdo ger
	
J es M. Sulester,
Data Facilities De partment	 11 chnical Monitor
Systems & Facilities Branch
John F o	 P	 David E. Pats, Manager
ac	
tte	 roject Leader,
y Assessment	
Accuracy Assessment
Ac ur
t
Prepared By
Lockheed Electronics Company, Inc.
For
Earth Observations Division
Space and Life Sciences Directorate
NATIONAL AERONAUTI;;S AND SPACE ADMINISTRATION
LYNDON B. JOHNSON SPACE CENTER
HOUSTON, TEXAS
M?v 1978
1
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1. Rarkwl No.	 2. Governnitnt Accession No, 3. FleciPimt's Catalog No,
4. 1 We and Subtitlo 6, Report Date
Implementation Specification Document for Merge of RTREAD, May 1978
Phase 1, and Phase 2 Accuracy Assessmeot Programs 6. Performing Oigmimion Ck^k
7. Author(s) 8. Performing OrginizaticKi ntsx-ir t t4o.
10, Work Unit No,
lockhood Llectronics Company, 	 Inc.
1830 NASA Road I NAS 9-15200
Houston, Texas	 77058
13. Type of Report and Period covered
Technical Report12. SNnsorlfig Agency Wme and Address
14. Sponsoring A"cy Code
16. SuppImenttry Notes
Reference As-Built Design Specification for PDP 11/45 Accuracy Assessment Dist,
Data File, JSC-13893.
PDP 11/45 program modules convert digitized ground truth data to a line and sample image
format which is in registration With LACIE blind site segments.	 These registered line
and sample ground truth data are then used to generate reports which are required to access
the accuracy of the CAMS classification and proportion estimates.
This document then defines the requirements nmessary to merge three I'DP 11/45 modules
into one efficient operating program.
17. Vey Wor& (Suggested by Author(s)) 18, Distribution Statement
LACIE
Accuracy Assessment
Subpixel
Digitize
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Unclassified Unclassified
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4•	 1. PURPOSE
This document defines the requirements necessary for the merge of
program modules BTREAD, Phase 1 and Phase 2. These three program
modules convert the ground truth data to a subpixel image format
which has been preregistered with pixels in the LACIE blind site
segments. The merge of these programs will expedite the formatting
of a Universal ground truth data file by providing a more efficient
operating environment.
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_.,,,.,_...:	 1
k2. BACKGROUND
Program modules BTREAD, Phase 1 and Phase 2, were designed and imple-
mented to satisfy research and test requirements for LACK Phase 3
Accuracy Assessment processing. The initial research and test
requirement was to convert the nine-track Bendix-100 tape to a
nine-track Universal format image tape. This initial requirement
was completed and acceptance tested in August 1977. Since acceptance,
scientists and engineers from the Accuracy Assessment Team have
provided the necessary operations expertise. With this hands-on
operations experience as a background, the requirements to merge
these programs so that the generation of a ground truth data file
can be performed by Data Techniques Laboratory (DTL) operations
personnel as developed.
3. GENERAL REQUIREMENTS
The following subsection defines the general requirements and various
modifications that should be implemented in the merge of RTREAD,
Phase 1 and Phase 2. The merge of these programs should dictate
the use of only one input control file and require only one run
command.
3.1 RTREAD
There are three special subroutines in BTREAD. These are RADER,
FSORT, and LABEL.
Subroutine RADER converts the NOVA floating point data recorded on
the B-100 tape to DEC PDP 11/45 integer equivalents. FSORT arranges
the fields in numerical order, checking for duplicate field numbers
and tracking the number of fields. LABEL produces files of crop
classes.
3.1.1 RTREAD MODIFICATIONS
The small grains and other file (Label 2 - DAT) created by subroutine
label should be deleted. This file was designed for use with module
ALLCRP. The analysis data that was provided by module ALLCRP is
now available in module MLTCRP. Label 3 • Dat or Label 1 - Dat
should be selected by input control data set.
Subroutines used in the generation of a B-tape or the need to write
to a scratch tape should be deleted. The deletion of these sub-
routines will eliminate the need for two digital tape units.
3.2 PHA' ,
Phase 1 is the executive routine that calls the standard system's
utility and special subroutines. These routines check the vertices
in each field and construct files for use by the follow-on Phase 2
routines.
3.2.1 PHASE 1 INVESTIGATIONS
Phase 1 routines have been designed to check that th y: digitized input
conforms to the restrictions as specified in IDC 643-2055 (attached).
Each restriction should be analyzed as to its merit anJ modified
accordingly.
3.2.2 PHASE 1 MODIFICATIONS
The need for tape input (assignment of unit 4) should be deleted and
the input statement modified to accept the output of BTREAD, as
modified in paragraph 3.1.1 above.
In addition, all subroutines should be modified to handle, by card
or operator input, segments that contain any combination of 137,592
pixels. For example, when maximum X equals 2866 samples, Y should
equal 48 lines; when maximum Y equals 2866 lines, each line should
contain 48 samples. Default should be 392 samples by 351 lines
r
(196-x 2 - 117 x 3).
3
3.3 PHASE 2
The Phase 2 subroutines use the data as formatted by BREAD and
Phase 1. Phase 2 organizes these data in Universal format and
outputs a single channel Universal Ground Truth Tape (UGTT) as an
output product.
t t s	 ', t
	 IsOF
3.3.1 PHASE 2 MODIFICATIONS
Phase 2 should be modified to output two channels of data. Channel 1
shall be the crop or land use type and channel 2 shall be the field
number of the crop or land use type.
In addition, Phase 2 should be modified to produce an UGTT output
as a requester option. The default should be to the system disk
in the users UIC.
3.4 OUTPUT REPORTS
Provisions must be made in the merge of 6TREAb, Phase 1 and Phase 2
to continue to provide all existing line printer reports.
a 
4. SYSTEMS TEST AND INTEGRATION
The following tests shall be performed:
a Verification of disk data and UGTT output product.
• Verification of all line printer reports.
• Verification of error routines and resulting error messages, i.e.,
maximum number of vertices, duplicate field numbers, field
closure, etc.
0
1i,
5. SCHEDULE
The schedule for the merge of these routines shall include:
• Design review-
e Coding
e Debug
Integration test
• Final acceptance
e Documentation
6. DOCUMENTATION
The following documentation is required:
1. Flow diagrams
2. Program listings
3. Description of :all subroutines
4. Description of output product formats by byte
S. Acceptance test plan
6. Users document
7. Operators procedures
.,
ATTACHMENT
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,ihl'Pl;nDUPARTMENTAI_ COMMUNICATION
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DATE MAY a, IV1 7 /
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haft 043-2055
DEPT,/	 C.t.I)G./	 PLANT/
FROM	 W. G. 1:ppl er 	 Olzwl, 026~40	 XDill; a,»Vl ll	 I`Ac. L ^C/S.,D
sUUJw Cry	 UxGxrxz2lx'x(JN rltClc :l^C11t3:s Am) w;.. x 'f'lai'l, mt1•:m,
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X. General Conf;iderationf;
I.	 Vol.ininte	 and d i t; itife 1'^cyolltl 	 lio,,mi.mil	 site: bou)iclit ri cs.
),>•:trra	 arc-at	 clods	 not:	 ctltl..0	 a	 Cwo))leit%	 ))UL	 )1z1v,i.I)cl	 too	 little 
area does.
7.	 Later fields	 ( i n the soclllaiwo of (li cd t iv. a ti.o )1) 	 t:z-he
preccadelloc ova	 (i.c,,	 ove7-vri.te)	 c'itl'lii_*): ' 	 n1do.
3.	 Virst. bomidarie.,  should dc^i:i)I 1it thn toU0. ground tmith
urea for u photograph.	 See x-J.
4.	 There is no restriction o11 tho di) vc	 0)l in whi eil f.a colds
are digi.tizcd.	 Tile houndary miiy C've.n c;a:osf, itself;Q.cJ. ,	 a	 "i i cJttl'C'' C S.ght'." if;	 li	 ) m issi.b1.C'.
xx. i.•r.i lln 11rstricttioll£
' The pragrarl, Phase x and 1'hnl^e 1), i)npose. ccr. t.ain ro.stri.ct ion,
Oil	 the di,gitiving procem;;	 those	 rv-I;Lr.i.cti.olls are	 itvm'L 4!cl ill
Table L. If a ny of. thc?sn a-c'stric;t.ioll, bommo o))jc,c'•t:3onv))lC?,
they Gan be rali twod by il lc:).:vwii1(j	 the sivc of buffert; gi.ve ll
by Table l..
XXT. Tape, V rmat,	 .
Lac)) ,rmcjmrnL is anstimod to have it separat:o 9-t.rach 000 bp i
t;a ne canf)i. f) ti ng of owl	 fSJe.	 Fac) l 	 fi.al.d	 S..l recorded as a
F^,tcll.c^, f:ix-d--lonSit-h (00 wordfi) roc:ord, V'cud 1, gives the
fi ,.Ld number	 (1 to 499) .	 Ptard	 Z gi.va.;	 t:ho 1111mhor of va):tides
4•	 ^.	 %lorcl5	 3,	 5,	 .	 . ,	 79	 cgivo	 the X-coo)ciinat os at	 vcr.t:i cc.
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of vorti.cos	 1,	 !,	 . ,	 39,	 All of t.ho vall.tlos	 to b0 in
the' ov—'J.	 klt Coo>:di ' l la to 	 soys-t c'I-.1	 (i..o.,	 1,anftiit: Sm,.ipl.tlb x	 2	 and
Lancliiat	 1,a.nofi x 3) .	 Tho lafat: rceurd	 (afar all.	 fields are
recorded )	 i. s 	to 1)atvo	 t.ha tillicytio	 f ie ld numbo	 100)..	 Any
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Implementation specification document for merge of BTREAD, phase 1, and phase 2 accuracy assessment programs

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