Tabelle polygone_vereinfacht(↩ zurück zur Übersicht)
Beschreibung
Enthält mit dem Douglas-Peucker-Algorithmus simplifizierte Varianten der Polygondaten aus der Tabelle `Orte`, sowie (für bestimmte `Kategorien`) Hexagone, die dem jeweiligen Polygon möglichst gut entsprechen.
Enthält mit dem Douglas-Peucker-Algorithmus simplifizierte Varianten der Polygondaten aus der Tabelle `Orte`, sowie (für bestimmte `Kategorien`) Hexagone, die dem jeweiligen Polygon möglichst gut entsprechen.
Spalten
Der Name von Spalten, die Teil des Primärschlüssels sind wird fett dargestellt, die Namen von Fremdschlüsseln unterstrichen. Kursivierte Werte im Feld Datentyp bedeuten, dass der Wert optional (nullable) ist.
| Spaltenname | Datentyp | Mögliche Werte | Beschreibung |
|---|---|---|---|
| id_ort | int(10) unsigned | beliebig | Fremdschlüssel, der auf die Tabelle `orte` verweist. |
| geodaten | geometryDieser Datentyp speichert geometrische Daten in MySQL-Datenbanken. Die einfachste Möglichkeit diese manuell einzutragen, ist die Verwendung der GeomFromText-Funktion. Diese erlaubt die Eingabe der Daten im WKT-Format. Alle geographischen Koordinaten in VerbaAlpina werden in der Reihenfolge <Längengrad>, <Breitengrad> angegeben. Die Eingabe eines Punktes mit den Koordinaten Breitengrad 48.135876 und Längengrad 11.583720 könnte somit folgendermaßen über die phpMyAdmin-Oberfläche angegeben werden:
| beliebig | Die simplifizierten Geodaten. |
| epsilon | float(5,4) | beliebig | Die Toleranz beim Douglas-Peucker-Algorithmus bzw. -1 für Hexagone. |
| mittelpunkt | pointDieser Datentyp speichert geometrische Daten in MySQL-Datenbanken. Die einfachste Möglichkeit diese manuell einzutragen, ist die Verwendung der GeomFromText-Funktion. Diese erlaubt die Eingabe der Daten im WKT-Format. Alle geographischen Koordinaten in VerbaAlpina werden in der Reihenfolge <Längengrad>, <Breitengrad> angegeben. Die Eingabe eines Punktes mit den Koordinaten Breitengrad 48.135876 und Längengrad 11.583720 könnte somit folgendermaßen über die phpMyAdmin-Oberfläche angegeben werden:
| beliebig | Der geometrische Mittelpunkt des vereinfachten Polygons. |
Ausschnitt
| id_ort | geodaten | epsilon | mittelpunkt |
|---|---|---|---|
| 1402164 | MULTIPOLYGON(((-4.06753015518188 41.5620498657227,-4.07684183120722 41.5553703308107,-4.08290719985962 41.5544052124023,-4.08528184890741 41.5559310913086,-4.09657716751099 41.5501747131348,-4.10191106796259 41.5499801635742,-4.10486698150635 41.5538787841797,-4.10838794708241 41.5530433654786,-4.11522483825684 41.5545082092286,-4.11954021453857 41.5592956542968,-4.12280988693237 41.5604858398438,-4.12785816192627 41.559799194336,-4.13104486465454 41.5616683959962,-4.13352012634277 41.5687561035157,-4.13709783554071 41.570297241211,-4.15094804763794 41.568214416504,-4.15292692184448 41.5748977661134,-4.15865421295166 41.5724639892578,-4.15345287322987 41.5795135498046,-4.1579270362854 41.5855026245118,-4.15866994857788 41.5908355712891,-4.15121078491211 41.5957298278809,-4.15848588943481 41.5959358215333,-4.16913795471186 41.5991973876953,-4.18285894393915 41.5994453430175,-4.19028615951532 41.5961494445802,-4.20173692703241 41.5963287353516,-4.21777009963989 41.5934066772462,-4.22420883178705 41.5937767028809,-4.22189617156977 41.5977096557618,-4.21718502044678 41.5999298095703,-4.21784305572504 41.6068344116211,-4.20137882232666 41.6172561645509,-4.19901514053339 41.6237182617189,-4.20430088043207 41.6290588378907,-4.19968795776367 41.6302642822266,-4.18110418319702 41.6229057312011,-4.17795610427856 41.6234436035156,-4.16891717910767 41.6281280517579,-4.16817378997803 41.6368255615235,-4.16466712951654 41.6380920410156,-4.15834379196167 41.6371002197267,-4.15057516098022 41.6423187255859,-4.14840698242182 41.6413612365724,-4.1456561088562 41.6337661743165,-4.13949823379511 41.6317939758301,-4.13531398773188 41.6272926330566,-4.13113403320307 41.6298332214355,-4.12909412384033 41.6292572021486,-4.12776279449463 41.6307563781738,-4.10987615585327 41.6223564147949,-4.10183811187744 41.6204872131348,-4.1013679504394 41.6168975830078,-4.09543800353998 41.6132621765137,-4.08836317062378 41.6151504516603,-4.08394384384155 41.6128578186035,-4.07590818405146 41.6203269958497,-4.06913185119629 41.6229515075684,-4.06721115112305 41.6221733093262,-4.0637531280517 41.6119117736816,-4.05506086349487 41.6072425842286,-4.04497289657587 41.6053619384766,-4.0417799949646 41.6023292541504,-4.04194402694702 41.5967712402344,-4.0449800491333 41.5939140319824,-4.04858112335199 41.5932273864747,-4.05189514160151 41.5837211608887,-4.05792808532709 41.5777282714844,-4.06114578247065 41.5765571594238,-4.05830383300781 41.574447631836,-4.06041908264154 41.5710067749024,-4.06694221496582 41.5671615600586,-4.06753015518188 41.5620498657227)),((-4.13299083709717 41.5617904663086,-4.1356959342956 41.5601272583008,-4.13674688339233 41.5619468688965,-4.13299083709717 41.5617904663086))) | 0.0006 | POINT(-4.126647481268264 41.59715948568348) |
| 38816 | POLYGON((2.35267376899725 43.3578758239746,2.32309889793396 43.356544494629,2.31658792495739 43.3608016967773,2.31295847892761 43.3704872131348,2.31295847892761 43.3704872131348,2.31308341026312 43.3713874816895,2.31308341026312 43.3713874816895,2.32384085655224 43.365821838379,2.34133958816528 43.3765220642089,2.33717060089117 43.3862037658693,2.32614994049072 43.3971748352051,2.32614994049072 43.3971748352051,2.32332634925842 43.4096260070801,2.33047342300421 43.4137001037599,2.33960366249079 43.4128303527832,2.33960366249079 43.4128303527832,2.34560036659246 43.4075050354004,2.3441469669342 43.4007644653321,2.35540962219244 43.3899574279786,2.36057758331299 43.3633651733399,2.36057758331299 43.3633651733399,2.35267376899725 43.3578758239746)) | 0.0006 | POINT(2.3332578341166412 43.38361013503306) |
| 37251 | POLYGON((7.03207874298096 47.7261848449708,6.99198007583618 47.7142333984376,6.99198007583618 47.7142333984376,6.99383831024164 47.7080307006836,7.00060462951666 47.7046089172364,7.00060462951666 47.7046089172364,7.02756547927862 47.7053680419922,7.02756547927862 47.7053680419922,7.03741788864147 47.7215576171874,7.03741788864147 47.7215576171874,7.03207874298096 47.7261848449708)) | 0.0006 | POINT(7.014105319976847 47.71257514953616) |
| 56576 | POLYGON((4.66062927246099 45.9501266479493,4.66279125213629 45.9494552612305,4.66279125213629 45.9494552612305,4.68400239944458 45.9742622375489,4.68400239944458 45.9742622375489,4.67676830291759 45.9780731201172,4.65836191177374 45.9790191650391,4.65836191177374 45.9790191650391,4.64829874038708 45.9760322570802,4.64829874038708 45.9760322570802,4.64761447906494 45.9643936157227,4.64761447906494 45.9643936157227,4.65225982666027 45.9655342102052,4.65547466278076 45.9629287719728,4.66062927246099 45.9501266479493)) | 0.0006 | POINT(4.660519259316635 45.96735627310624) |
| 49413 | POLYGON((3.30474948883068 48.94877243042,3.29241371154779 48.9693794250489,3.29241371154779 48.9693794250489,3.28761267662054 48.9705848693847,3.27509760856628 48.964771270752,3.2778749465943 48.9554481506348,3.26784110069275 48.9479637145997,3.26290369033825 48.9489364624023,3.26290369033825 48.9489364624023,3.26017951965326 48.9447975158693,3.26017951965326 48.9447975158693,3.26516056060791 48.9390640258789,3.26516056060791 48.9390640258789,3.26947951316833 48.9374542236329,3.28377223014837 48.9401664733887,3.30474948883068 48.94877243042)) | 0.0006 | POINT(3.2751828352610444 48.951301066080774) |
| 49652 | POLYGON((3.53888940811169 49.627239227295,3.54629611968994 49.6225700378418,3.55690860748302 49.6037139892579,3.55690860748302 49.6037139892579,3.55388593673717 49.5978240966796,3.55994510650646 49.5892753601075,3.55183362960827 49.5856819152833,3.55183362960827 49.5856819152833,3.54415917396557 49.5880279541016,3.53613519668579 49.5860748291016,3.53613519668579 49.5860748291016,3.52656888961786 49.588680267334,3.51122832298273 49.5862541198732,3.50179648399364 49.5885963439941,3.47291469573986 49.5805778503418,3.45926761627209 49.5845947265626,3.45926761627209 49.5845947265626,3.45829582214355 49.5872230529786,3.45829582214355 49.5872230529786,3.45645451545721 49.5884513854981,3.45645451545721 49.5884513854981,3.4711196422578 49.5882949829102,3.48663020133972 49.5971412658693,3.48351812362665 49.6102104187012,3.47840738296509 49.6108512878419,3.47840738296509 49.6108512878419,3.46951484680181 49.6183815002441,3.4848902225495 49.6310081481934,3.48338413238531 49.6341400146485,3.48338413238531 49.6341400146485,3.4926016330719 49.6373405456544,3.51294088363659 49.6359176635743,3.52844691276556 49.6274490356445,3.53888940811169 49.627239227295)) | 0.0006 | POINT(3.5044460730119726 49.60231064305165) |
| 58777 | POLYGON((8.15136051177973 51.1733169555664,8.14729595184332 51.1777076721192,8.14068889617931 51.180721282959,8.140549659729 51.182487487793,8.13641548156744 51.1819572448732,8.13794326782227 51.1834373474122,8.12596035003662 51.1908645629883,8.12333965301525 51.1902961730958,8.12228298187267 51.1916084289551,8.1294145584107 51.1944541931153,8.11324691772472 51.1940422058105,8.11225605010992 51.1954727172852,8.11225605010992 51.1954727172852,8.1106128692627 51.1937370300294,8.10641670227051 51.1926002502443,8.1013584136964 51.1876525878906,8.08359909057623 51.1796607971193,8.07666778564459 51.1799163818361,8.07265949249279 51.1815147399903,8.07202243804932 51.1838340759278,8.07020092010498 51.1835975646973,8.06518936157238 51.1800270080568,8.05760192871099 51.1799774169922,8.05695819854742 51.1807632446289,8.05543899536144 51.1788864135742,8.04145050048839 51.176929473877,8.03377914428711 51.1722755432129,8.02231025695801 51.1711769104004,8.01130580902094 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