Causes and consequences of map generalisation:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
London [u.a.]
Taylor & Francis
1998
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XV, 266 S. graph. Darst., Kt. |
| ISBN: | 0748407774 0748407766 |
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Datensatz im Suchindex
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| adam_text | CAUSES AND CONSEQUENCES OF MAP GENERALISATION ELSA MARIA JOAO DEPARTMENT
OF GEOGRAPHY AND ENVIRONMENT, LONDON SCHOOL OF ECONOMICS CONTENTS SERIES
INTRODUCTION IX FOREWORD XI PREFACE XIII 1 SCALE AND GENERALISATION IN
GIS 1 1.1 SCALE AND RESOLUTION 2 1.2 THE CARTOGRAPHER, THE MAP AND THE
REGION 4 1.3 GENERALISATION AND THE COMPUTER 5 1.3.1 THE ALGORITHMIC
APPROACH 10 1.3.2 KNOWLEDGE-BASED SYSTEMS 13 1.3.3 THE RETURN TO HUMAN
CONTROL 19 1.4 FROM MULTIPLE REPRESENTATIONS TO SCALE-INDEPENDENT GIS 23
**** , * 2 THE CONSEQUENCES OF GENERALISATION: A REVIEW * : 27 2.1 ERROR
ASSOCIATED WITH PRODUCING A MAP *; - 30 2.2 GENERALISATION EFFECTS .
35 2.2.1 GENERALISATION AND THE COMPLETENESS OF A MAP ,. 43 2.2.2
GENERALISATION AND MEASURED LENGTHS; AREAS AND SURFACES . 44 2.2.3
GENERALISATION AND POSITIONAL ACCURACY 48 2.2.4 GENERALISATION AND GIS
DATA MANIPULATIONS 50 VI CONTENTS 2.3 COMPARING GENERALISATION EFFECTS
OF MANUAL AND ALGORITHMIC METHODS 52 3 SELECTING AND PREPARING THE MAPS
59 3.1 THE MAPS USED IN THIS STUDY: THEIR SELECTION AND LINEAGE 59
3.1.1 THE BRITISH MAPS 62 3.1.2 THE PORTUGUESE MAPS 67 3.2 CONVERTING
PAPER MAPS INTO A DIGITAL FORM 69 3.3 MAP TRANSFORMATIONS 75 3.4 THE
CORRECTION OF SYSTEMATIC ERROR 78 3.5 FINAL EDITING OF THE DIGITAL MAPS
84 4 A METHODOLOGY FOR THE MEASUREMENT OF GENERALISATION EFFECTS 87 4.1
SEPARATING GENERALISATION EFFECTS FROM OTHER SOURCES OF ERROR 88 4.1.1
POSITIONAL ACCURACY OF THE PORTUGUESE MAPS 90 4.1.2 POSITIONAL ACCURACY
OF THE BRITISH MAPS 91 4.2 MEASUREMENT OF THE GENERALISATION EFFECTS OF
DIFFERENT FEATURES 93 4.2.1 DESCRIPTORS FOR GENERALISED FEATURES 93
4.2.2 PROBLEMS IN MEASURING DIFFERENT FEATURES ACROSS MAP SCALES 98 4.3
VALIDATION OF THE USE OF THE 1:50 000 SCALE OS MAP AS THE BASE MAP 100
4.4 DETERMINING THE FRACTAL SURFACE OF EACH STUDY AREA 101 4.5
MEASUREMENT OF THE EFFECTS OF GENERALISATION ON GIS MAP MANIPULATIONS
103 4.6 QUANTIFICATION OF THE EFFECTS CREATED BY THE DOUGLAS-PEUCKER
ALGORITHM 105 5 THE EFFECTS OF GENERALISATION ON INDIVIDUAL FEATURES 111
5.1 MEASUREMENTS OF LINE LENGTH 114 5.1.1 LENGTH CHANGE ON MANUALLY
GENERALISED MAPS 114 5.1.2 LENGTH CHANGE FOR AUTOMATICALLY GENERALISED
FEATURES - 118 5.2 MEASUREMENTS OF LINE SINUOSITY 121 5.2.1 SINUOSITY
CHANGE ON MANUALLY GENERALISED MAPS 121 5.2.2 SINUOSITY CHANGE FOR
AUTOMATICALLY GENERALISED FEATURES . 126 5.3 FEATURE ELIMINATION 130
CONTENTS VII 5.4 LATERAL DISPLACEMENT OF FEATURES 133 5.4.1 THE SHIFT OF
FEATURES ON MANUALLY GENERALISED MAPS 134 5.4.2 DISPLACEMENT FOR
AUTOMATICALLY GENERALISED FEATURES 155 6 THE IMPACT OF GENERALISATION ON
GIS MAP MANIPULATIONS 159 6.1 EFFECTS ON POINT-IN-POLYGON OPERATIONS 159
6.2 EFFECTS ON OVERLAY OPERATIONS 169 6.2.1 OVERLAY OPERATION USING
FEATURES COMMON TO ALL MAP SCALES 170 6.2.2 OVERLAY OPERATION USING ALL
THE FEATURES PRESENT IN THE MAPS 178 7 THE IMPORTANCE OF GENERALISATION
EFFECTS: REPERCUSSIONS FOR THE FUTURE OF GIS 187 7.1 A SUMMARY OF THE
FINDINGS ON QUANTIFYING GENERALISATION EFFECTS - 188 7.2 A COMPARISON OF
EFFECTS OF MANUAL AND AUTOMATED GENERALISATION 193 7.3 CONTROL OF
GENERALISATION EFFECTS WITHIN GIS 196 7.3.1 CONTROL OF EFFECTS BEFORE
STARTING TO GENERALISE 198 7.3.2 CONTROL OF EFFECTS DURING THE
GENERALISATION PROCESS 199 7.3.3 CONTROL OF EFFECTS AFTER GENERALISATION
IS COMPLETED 203 7.4 THE FUTURE 204 APPENDIX A GENERALISATION EFFECTS
EMBEDDED IN THE BRITISH 1:50 000 SCALE MAP 211 APPENDIX B RAW DATA FOR
EACH FEATURE PER SCALE FOR THE TWO STUDY AREAS 223 APPENDIX C SAMPLE
MONOCHROME COPIES OF THE MAPS USED 239 REFERENCES 247 AUTHOR INDEX 259
SUBJECT INDEX 263
|
| any_adam_object | 1 |
| author | João, Elsa Maria |
| author_facet | João, Elsa Maria |
| author_role | aut |
| author_sort | João, Elsa Maria |
| author_variant | e m j em emj |
| building | Verbundindex |
| bvnumber | BV012529136 |
| callnumber-first | G - Geography, Anthropology, Recreation |
| callnumber-label | G70 |
| callnumber-raw | G70.212 GA101.2 |
| callnumber-search | G70.212 GA101.2 |
| callnumber-sort | G 270.212 |
| callnumber-subject | G - General Geography |
| classification_rvk | RB 10239 |
| ctrlnum | (OCoLC)39375392 (DE-599)BVBBV012529136 |
| dewey-full | 526 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 526 - Mathematical geography |
| dewey-raw | 526 |
| dewey-search | 526 |
| dewey-sort | 3526 |
| dewey-tens | 520 - Astronomy and allied sciences |
| discipline | Physik Geographie |
| format | Book |
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| id | DE-604.BV012529136 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T18:29:10Z |
| institution | BVB |
| isbn | 0748407774 0748407766 |
| language | English |
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| physical | XV, 266 S. graph. Darst., Kt. |
| publishDate | 1998 |
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| publisher | Taylor & Francis |
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| spelling | João, Elsa Maria Verfasser aut Causes and consequences of map generalisation Elsa Maria João London [u.a.] Taylor & Francis 1998 XV, 266 S. graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Cartographie - Informatique ram Cartographie - Méthodologie Cartographie - Méthodologie ram Cartography - Data processing Generalisatie gtt Geografische informatiesystemen gtt Kaarten (geografie) gtt Systèmes d'information géographique Systèmes d'information géographique ram Cartography Methodology Geographic information systems Geoinformationssystem (DE-588)4261642-6 gnd rswk-swf Generalisierung Kartografie (DE-588)4447472-6 gnd rswk-swf Generalisierung Kartografie (DE-588)4447472-6 s Geoinformationssystem (DE-588)4261642-6 s DE-604 GBV Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008506113&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | João, Elsa Maria Causes and consequences of map generalisation Cartographie - Informatique ram Cartographie - Méthodologie Cartographie - Méthodologie ram Cartography - Data processing Generalisatie gtt Geografische informatiesystemen gtt Kaarten (geografie) gtt Systèmes d'information géographique Systèmes d'information géographique ram Cartography Methodology Geographic information systems Geoinformationssystem (DE-588)4261642-6 gnd Generalisierung Kartografie (DE-588)4447472-6 gnd |
| subject_GND | (DE-588)4261642-6 (DE-588)4447472-6 |
| title | Causes and consequences of map generalisation |
| title_auth | Causes and consequences of map generalisation |
| title_exact_search | Causes and consequences of map generalisation |
| title_full | Causes and consequences of map generalisation Elsa Maria João |
| title_fullStr | Causes and consequences of map generalisation Elsa Maria João |
| title_full_unstemmed | Causes and consequences of map generalisation Elsa Maria João |
| title_short | Causes and consequences of map generalisation |
| title_sort | causes and consequences of map generalisation |
| topic | Cartographie - Informatique ram Cartographie - Méthodologie Cartographie - Méthodologie ram Cartography - Data processing Generalisatie gtt Geografische informatiesystemen gtt Kaarten (geografie) gtt Systèmes d'information géographique Systèmes d'information géographique ram Cartography Methodology Geographic information systems Geoinformationssystem (DE-588)4261642-6 gnd Generalisierung Kartografie (DE-588)4447472-6 gnd |
| topic_facet | Cartographie - Informatique Cartographie - Méthodologie Cartography - Data processing Generalisatie Geografische informatiesystemen Kaarten (geografie) Systèmes d'information géographique Cartography Methodology Geographic information systems Geoinformationssystem Generalisierung Kartografie |
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