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Interactive Computer Mapping ......... 165 Thomas K. Peucker and Andrew Clement Alternatives to the Population Pyramid for Mapping Age-Sex Characteristics of Metropolitan Census Tracts .......... 172 Richard Lycan Computer Mapping of Cancer Mortality by Census Tract: Columbus, Ohio 1956-1974 .................. 180 Eugenia E. Calle Urban Uses of Geo-Based Data: Getting the Technician Out of the Way ........ 188 Joel N. Orr EXPLORATION AND UTILITY SYSTEMS SESSION Introduction ................. 196 Automated Mapping and Facilities Management .................. 197 Henry A. Emery CADAE: Computer Aided Design and Engineering ............... 205 Donald R. Johnston 'Landform 1 Land Analysis and Display for Mining .............. 213 Richard 0. Mahan Engineering Applications of Digital Terrain Mapping ........... 219 Douglas M. Isbell and William H. Young Topological Models for Architectural and Engineering Projects ........... 223 James Corbett
DATA BASES, SMALL SYSTEMS SESSIONS Introduction ................. 235 Coordinate Free Cartography ......... 236 Marvin S. White Jr. and Patricia E. Griffin The Data Structure of BASIS ......... 246 Paul M. Wilson and Donald A. Olmstead DATA BASES, LARGE SYSTEMS SESSIONS , Introduction ................. 256 Computer-Assisted Environmental Data Handling: Issues and Implications ...... 259 Kenneth E. Gordon National Ocean Survey - Automated Information System .............. 267 Ray E. Moses and James L. Passauer GEOMEODEL - Integrated Data Structures for Representing Geographic Entities ..... 275 Jay R. Baker ECOBASE OF BRITAIN: Status Report on a Digital Data Base of Britain ........ 283 David P. Bickmore and Graham J. Witty A Data Structure for a Spatial Information System .............. 291 Robert M. Haralick and Linda G. Shapiro WHIRLPOOL: A Geometric Processor for Polygon Coverage Data .......... 304 James Dougenik XI
Page 1 and 2: '/1UTO QIRTO IV Proceedings of the
Page 3 and 4: SPONSORED BY: Proceedings of the Vo
Page 5 and 6: FOREWORD This is the fourth confere
Page 7: PREFACE The technical articles cont
Page 10 and 11: The Use of Computer Generated Maps
Page 14 and 15: A Formal Model of a Cartographic In
Page 17 and 18: PHOTOGRAMMETRY SESSIONS Introductio
Page 19 and 20: William 0. Lucoff of Cal. State at
Page 21 and 22: widths may be varied at random from
Page 23 and 24: command codes to the minicomputer a
Page 25 and 26: Figure 2 Computer Controller EXPOSU
Page 27 and 28: — 1 X 0 u_ ABCDE M X ^ ^j to C£
Page 29 and 30: Figure 12 Portion of 48"X60" Chart
Page 31 and 32: 3. THE GAS SYSTEM Chicago Aerial Su
Page 33 and 34: mode and guides the operator throug
Page 35 and 36: Figure 1 - Input Edit Figure 2 - Li
Page 37 and 38: Figure 7 - illegal Elevations Figur
Page 39 and 40: L Figure 11-Matching Between Models
Page 41 and 42: 1. Street trees are defined as any
Page 43 and 44: exists between the calculated data
Page 45 and 46: Trom a conversation with Robert Lee
Page 47 and 48: II. The Alternatives Various conven
Page 49 and 50: With error correction as the final
Page 51 and 52: 1. Introduction PRACTICAL EXPERIENC
Page 53 and 54: instruments with digital mapping te
Page 55 and 56: the patterns and stores the digital
Page 57 and 58: o Provides the capability to conver
Page 59 and 60: II.System Description Figure 1 is a
Page 61 and 62: Status signals are located on the m
Page 63 and 64:
which have been digitized and recor
Page 65 and 66:
Figure 4 Digitized/Recorded Image C
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IMAGE PROCESSING The Image Processi
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II. Background The work reported in
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coordinates from topographic maps.
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polation techniques are available i
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egistrations. In all areas where re
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THE INTERACTIVE IMAGE SYSTEM FOR TH
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The operator may type in commands w
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input, each request being terminate
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The language elements invoke indepe
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IMAGE PROCESSING AND NAVIGATION FOR
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4. Image Acquisition and Amplitude
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disc); - the satellite spin-speed w
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line start. These parameters are se
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PRACTICAL APPLICATIONS FOR DIGITAL
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need for early warning of impending
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In order to manipulate classes of f
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depends mainly on the density of fe
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A DATA STRUCTURE FOR A RASTER MAP D
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FIG. 2. A border with indicated max
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pointers associated with the max-po
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y-max 1 z \7 'x-min \x-max 3 x-min
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DIGITAL TERRAIN MODELS SESSIONS Int
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Their programs have been developed
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that the purpose of the digital ter
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equirement for such a program is th
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equivalent to locating the lines of
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Brassel, K.,1974,"A Model of Americ
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It is not the intention of this pap
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One feature in this should be empha
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neighbouring data points to estimat
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Lawson, C.L., 1977. Software for C-
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EDIT SYSTEM HARDWARE The IPIN Edit
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Each edit terminal will also contai
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FIGURE 2. PLOT OF GEOMORPHIC DATA 1
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a 0° 0 0 + 0 o 0 FIGURE 4. SELECTE
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FIGURE 5. CONTOUR PLOT OF INTERPOLA
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absorbed in the merger if the diffe
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To an every-increasing degree, the
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potential storage volumes of depres
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Soil type sand, Vegetation trees -^
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References Brnjac, M; Carlsen, L; M
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is particularly important to allow
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(b) If Z-coordinate of the vertex B
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Figure 3a. TIN DTM Projection Figur
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URBAN MAPPING SESSIONS Introduction
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Norfolk, and Hampton Virginia. Part
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MAPPING SERVICES IN FAIRFAX COUNTY,
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If errors are detected they are res
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Some are only printed as the stocks
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URBAN MAPPING AND RELATED AUTOMATED
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tersection matching program was wri
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The selection of coding schemes wil
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cartography and are firmly committe
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main purpose of this paper. Five of
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The project was undertaken specific
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play and analysis. By breaking from
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The operating system environment is
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INTERACTIVE COMPUTER MAPPING* Thoma
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- By displaying variables in map fo
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with a start - head- and an end -ta
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Rovner, P.D and Feldman, J.A., 1968
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eading this complex type of map, (2
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y a law pertaining to persons 65 an
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So far the analysis has been concer
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enta separation to the family age g
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Mortality maps have been widely use
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1970 population values, growth rate
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CANCER MORTALITY BY CENSUS TRACT 19
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References Burbank, F., Epidemiolog
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Computer graphics is changing all t
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time to define the uses to which th
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tually complete - we had a meeting
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EXPLORATION AND UTILITY SYSTEMS SES
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AUTOMATED MAPPING AND FACILITIES MA
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turned out to be a boon for automat
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As an example, one utility had five
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suburb of Denver, is a group of eng
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Introduction CADAE * (COMPUTER AIDE
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using CADAE, but the convenience an
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fractions of an inch to 1/64 or in
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Now that the viability of CADAE has
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"LANDFORM" LAND ANALYSIS AND DISPLA
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(2) Information Display (3) Design
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scales, and perspective views can b
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ENGINEERING APPLICATIONS OF DIGITAL
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Once the Map Grids are complete, th
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TOPOLOGICAL MODELS FOR ARCHITECTURA
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dimension, may be oriented in two w
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1-cells, and the 0-cells on the bou
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IX. One and two-dimensional structu
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looking from c^ to c9 near side far
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Figure 4 File Layout for Model of a
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DATA BASES, SMALL SYSTEMS There wer
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The consistency requirements are se
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A 0-cell is A 1-cell is a A 2-cell
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is a 2-ditnensional surface, and pr
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Our Algorithm From the topological
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(a) graph \ (b) disk: node 5 lO (c)
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as earthquake damage assessment, lo
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data is relatively simple. Problems
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In theory, the structure of such a
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BASIS resides on a minicomputer ope
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DATA BASES, LARGE SYSTEMS SESSIONS
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Robert Haralick and Linda Shapiro o
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COMPUTER-ASSISTED ENVIRONMENTAL DAT
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System (GRIDS) and Calma Mapping Sy
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Results Space does not permit the r
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encoded data appear to be very sign
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NATIONAL OCEAN SURVEY—AUTOMATED I
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centered at NOS Headquarters, but r
Page 287 and 288:
separately. There are also five of
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graphic, chart base, and labels may
Page 291 and 292:
Introduction GEOMODEL - INTEGRATED
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ace, income, miles of bus-lines, or
Page 295 and 296:
phrase pointer Figure Ib. 1-cell Fe
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Implementation The development plan
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ECQBASE OF BRITAIN: status report o
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1. Coastlines (high water mark) inc
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much statistical data, e.g. , from
Page 305 and 306:
Figure 1 Scale of digitisation of p
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I. Introduction A DATA STRUCTURE FO
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One obvious division of the state i
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Figure 2 illustrates this structure
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Raster or grid form is another form
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For each type of spatial data struc
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The following questions are possibl
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4. Freeman, H., "Computer Processin
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also be generalized to remove exces
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Figure I. On the left, a map of zon
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The other important role the error
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REFERENCES Corbett, J. (1975). "Top
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The fundamental building block of a
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discussed previously are of the COD
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[2] Bonczek, R. H.; Holsapple, C. W
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REFERENCE BASE REFERENCE LINES NAP
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Polygon data, in contrast, results
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An alternative to grid resampling i
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Should this table already contain a
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Murray, F. W. (1968) A_ Method of O
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ships between units, and thereby fe
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ture, encode, reduce, edit, format,
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could be assigned to each 40-acre g
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more on chain encoding rather than
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RIDS-CURRENT TECHNOLOGY IN RESOURCE
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The RID system is designed to overl
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Data Input Once the relevant data h
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Data Manipulation Timber Contour Cu
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THE DEVELOPMENT OF A NATIONAL SMALL
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III. The National Small-Scale Data
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cally-structured data base is under
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Appendix A: HAWAII: Hydrography U>
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INTERACTIVE CARTOGRAPHY, SMALL SYST
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options but it also extends our res
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sis techniques) information not pre
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media forming input to the system i
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D. CIS Data Base Limitations There
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input space into a set of 8 x 8 sub
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esolution of the system and the num
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impractical to use this terminal fo
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and heat from power plants into wat
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The present and future Low-resoluti
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Development of GIMMAP at the Kansas
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The second area of development is a
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GROUP Fig. 1
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MOVING INTERACTIVE THEMATIC MAPPING
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directives. Both map and data files
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Parameters are commonly of the form
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7. Conclusions In the s:!x months C
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INTERACTIVE CARTOGRAPHY, LARGE SYST
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developed at LBL has been particula
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printed at a common scale and forma
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1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
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V. Production Sequence The most imp
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1. Introduction MULTIPLE SYSTEM INT
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measurements during map compilation
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Photogrammetric —— > Digitizer/
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intersections. These are a few exam
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Introduction ENERGY ANALYSIS BY MEA
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enabled us to undertake runs consit
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Cost (k $) (D CD M M
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which seek to incorporate powerful
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ELECTRON BEAM RECORDERS FOR AUTOMAT
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data files are supplied as an 8 Bit
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signals representative of map featu
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composite photograph prepared to sh
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Figure 5 16 AAIPS Approach Charts R
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Figure 8 - LANDSAT Image Recorded i
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AUTO-CARTO IV STAFF AND COMMITTEES
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University of Kansas Mike Hogben A'
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Efi Arazi, President Sci-Tex Corp.,
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Peter F. Bermel Chief, Eastern Mapp
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Sherry K. Brown Princeton Universit
Page 451 and 452:
Steven D. Clark Petroleum Informati
Page 453 and 454:
Richard Davis NOAA, NOS 6001 Execut
Page 455 and 456:
John Durkin Suiranagraphics 35 Bren
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E. Porrest A-E-C Automation Newslet
Page 459 and 460:
Barry J. Glick Middlebury College M
Page 461 and 462:
Jim Hargis M & S Computing Co. 14 I
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Howard C. Hopps Dept. of Pathology
Page 465 and 466:
Lee P. Johnston GeoGraphic Decision
Page 467 and 468:
Herbert Kressler Defense Mapping Sc
Page 469 and 470:
D. Richard Lycan Center for Pop. Re
Page 471 and 472:
Robert K. McKinney Weyerhaeuser Co.
Page 473 and 474:
Joel L. Morrison Dept. of Geography
Page 475 and 476:
David Osiecki 83 Gerber Rd. South W
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A.D. Poole Phillips Petroleum Co. 2
Page 479 and 480:
Dirck L. Rotty USDA Forest Service
Page 481 and 482:
Craig L. Shafer NFS 18 & C Street,
Page 483 and 484:
Bobby Staudt M & S Computing 406 Au
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Laure Thompson George Mason Univers
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D.J. Walker Image Graphics 107 Ardm
Page 489 and 490:
Alberta Auringer Wood Chairperson,
Page 491 and 492:
AUTHOR INDEX - VOLUME II Allam, M.
Page 493:
Schmidt, Warren E. ...............
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