Vaje iz prostorskih analiz v GIS orodju ArcGIS, UL, FGG, Ljubljana

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Bobnar, Drobne in Šumrada: Priročnik za vaje iz prostorskih analiz v GIS orodju ArcGIS 4.2 Izgradnja rastrskega podatkovnega niza .................................................................. 59 4.3 Izgradnja rastrskega kataloga ................................................................................... 61 4.4 Uporaba rastrov, shranjenih v geodatabase dokumentih ......................................... 63 4.5 Izločitev podatkov iz rastrskega kataloga ................................................................ 65 4.6 Pretvorba objektov v rastre ...................................................................................... 66 4.7 Pretvorba rastra v objekte ........................................................................................ 67 4.8 Pretvorba rastra v drug rastrski format .................................................................... 70 4.9 Georeferenciranje rastra ........................................................................................... 70 4.9.1 Dodajanje povezav ................................................................................................... 71 4.9.2 Odkrivanje napak ..................................................................................................... 73 4.9.3 Shranjevanje transformacije ..................................................................................... 75 5 ALGEBRA KARTE ................................................................................................ 76 5.1 Uporaba aritmetičnih operatorjev ............................................................................ 76 5.2 Uporaba relacijskih operatorjev ............................................................................... 78 5.3 Uporaba Boolovih operatorjev ................................................................................. 80 5.4 Uporaba kombinatoričnih operatorjev ..................................................................... 81 5.5 Uporaba logičnih operatorjev ................................................................................... 82 5.6 Uporaba lokalnih funkcij ......................................................................................... 85 5.7 Uporaba središčnih funkcij ...................................................................................... 87 5.8 Uporaba območnih funkcij....................................................................................... 90 5.9 Uporaba conskih funkcij .......................................................................................... 91 5.10 Uporaba globalnih funkcij ....................................................................................... 93 6 ORODJA ZA UREJANJE RASTRA ...................................................................... 96 6.1 Seznanitev s podatki................................................................................................. 96 6.2 Uporaba filtra Majority ............................................................................................ 97 6.3 Uporaba funkcije FocalMajority ............................................................................. 98 6.4 Izdelava maske za funkcijo Nibble .......................................................................... 99 6.5 Uporaba funkcije Nibble ........................................................................................ 101 6.6 Uporaba funkcije BundaryClean ........................................................................... 101 6.7 Orodja za izločitev podatkovnih nizov ................................................................. 102 7 IZDELAVA POVRŠJA IN TEHNIKE ANALIZ .................................................. 105 7.1 Metoda prilagajanje ploskve z inverzno razdaljo – IDW ....................................... 105 2
Bobnar, Drobne in Šumrada: Priročnik za vaje iz prostorskih analiz v GIS orodju ArcGIS 7.2 Metoda zlepkov ...................................................................................................... 107 7.3 Metoda kriging ....................................................................................................... 109 7.4 Interpolacija naravnih sosedov ............................................................................... 110 7.5 Vrednotenje rezultatov interpolacije ...................................................................... 111 7.6 Upoštevanje ovir pri metodi prilagajanja ploskve z inverzno razdaljo .................. 112 7.7 Izračun gostote linijskega pojava ........................................................................... 113 7.8 Izračun gostote točkovnega pojava......................................................................... 115 7.9 Izračun gostote jedra ............................................................................................... 116 8 ANALIZA POVRŠJA ............................................................................................ 118 8.1 Senčenje .................................................................................................................. 118 8.2 Prikaz tematskih podatkovnih slojev s sencami ..................................................... 120 8.3 Močnejše senčenje (Markova metoda) ................................................................... 121 8.4 Mehkejše senčenje (švicarska metoda)................................................................... 123 8.5 Analitično senčenje................................................................................................. 125 8.6 Izračun plastnic ....................................................................................................... 127 8.7 Izračun naklona....................................................................................................... 128 8.8 Izračun usmerjenosti ............................................................................................... 130 8.9 Določanje območij vidnosti .................................................................................... 131 9 ORODJA ZA IZRAČUN RAZDALJ..................................................................... 134 9.1 Evklidska razdalja................................................................................................... 134 9.2 Izdelava stroškovne ploskve s hitrostjo kot uporom .............................................. 135 9.3 Izdelava maske ....................................................................................................... 136 9.4 Upoštevanje nagnjenosti terena pri določitvi hitrosti izven cest ............................ 136 9.5 Pretvorba hitrosti v čas ........................................................................................... 137 9.6 Določitev ploskve oddaljenosti .............................................................................. 138 9.7 Iskanje krivulje najmanjšega upora ........................................................................ 139 10 KARTOGRAFSKO MODELIRANJE ................................................................... 140 10.1 Reklasifikacija v algebri karte ................................................................................ 140 10.2 Uporaba operatorja AND v binarnem modelu ........................................................ 141 10.3 Uporaba seštevanja v binarnem modelu ................................................................. 142 10.4 Uporaba funkcije Combine v binarnem modelu ..................................................... 143 10.5 Reklasifikacija diskretnih podatkov ....................................................................... 144 3
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Vaje iz prostorskih analiz v GIS orodju ArcGIS, UL, FGG, Ljubljana

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