Knowledge (XXG)

Bottomley projection

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20: 1818: 570: 351: 362: 223: 131: 252: 565:{\displaystyle \rho ={\sqrt {(x\sin \varphi _{1})^{2}+\left(\varphi _{1}-y+\cot \varphi _{1}\right)^{2}}},\qquad E=\tan ^{-1}\left({\frac {x\sin \varphi _{1}}{\varphi _{1}-y+\cot \varphi _{1}}}\right).} 257: 142: 1054: 41: 598:, shapes are not distorted, but elsewhere they are. Different projections can be produced by altering the eccentricity of the arcs, making it vary between the 1863: 1796: 1328: 834: 711: 1414: 1210: 1200: 1120: 652: 346:{\displaystyle {\begin{aligned}\varphi &={\frac {\pi }{2}}-\rho \\\lambda &={\frac {E\rho }{\sin \varphi _{1}\sin \rho }}\end{aligned}}} 1205: 786: 684:
Between the Sinusoidal projection and the Werner: an alternative to the Bonne (Une alternative Ă  la projection cartographique de Bonne)
1215: 1016: 1348: 1338: 1333: 1308: 1300: 961: 887: 844: 839: 814: 806: 1739: 1536: 1463: 1419: 1115: 1882: 1584: 1531: 1856: 1692: 1661: 1235: 1084: 862: 791: 1776: 1744: 1594: 1225: 1049: 882: 872: 704: 1734: 1448: 1102: 1011: 1724: 1674: 1637: 1404: 1097: 946: 796: 1318: 824: 1887: 1609: 1453: 1044: 877: 867: 580: 1849: 1589: 974: 1323: 829: 1679: 1619: 1599: 1230: 1192: 1157: 697: 218:{\displaystyle \rho ={\frac {\pi }{2}}-\varphi ,\qquad E={\frac {\lambda \sin \varphi _{1}\sin \rho }{\rho }}} 892: 736: 633: 1791: 1424: 1399: 941: 731: 1714: 1504: 1458: 1285: 1262: 1245: 956: 599: 1719: 1614: 1394: 1389: 1384: 1361: 1356: 979: 951: 936: 931: 926: 921: 617: 595: 1669: 1604: 1509: 1486: 1313: 1220: 1092: 819: 777: 126:{\displaystyle x={\frac {\rho \sin E}{\sin \varphi _{1}}},\qquad y={\frac {\pi }{2}}-\rho \cos E\,} 624:
to reduce the extent of extreme distortion at the edges and give a more satisfying overall shape.
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is the given parallel of the projection which determines its shape, all in radians.
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Bottomley projection of the world with standard parallel at 30°N.
1765: 1562: 1178: 754: 693: 1829: 1837: 365: 255: 145: 44: 1705: 1660: 1651: 1628: 1575: 1518: 1495: 1477: 1437: 1347: 1299: 1276: 1253: 1244: 1191: 1133: 1083: 1070: 1025: 997: 914: 905: 805: 776: 767: 575:Parallels (i.e. lines of latitude) are concentric 564: 345: 217: 125: 236:is the longitude from the central meridian, and 1857: 705: 8: 655:, List of Projections for Use with WorldMap 1864: 1850: 1762: 1657: 1572: 1559: 1250: 1188: 1175: 1080: 911: 773: 764: 751: 712: 698: 690: 1797:Map projection of the tri-axial ellipsoid 546: 521: 509: 493: 477: 455: 444: 419: 400: 390: 372: 364: 321: 300: 270: 256: 254: 246:The inverse projection is then given by: 194: 178: 152: 144: 122: 97: 78: 51: 43: 18: 645: 16:Pseudoconical equal-area map projection 7: 1814: 1812: 1836:. You can help Knowledge (XXG) by 14: 1816: 1740:Quadrilateralized spherical cube 1420:Quadrilateralized spherical cube 466: 171: 90: 1329:Lambert cylindrical equal-area 613:, it produces a heart shape. 397: 374: 1: 1777:Interruption (map projection) 1415:Lambert azimuthal equal-area 1211:Guyou hemisphere-in-a-square 1201:Adams hemisphere-in-a-square 1904: 1811: 1772: 1761: 1688: 1571: 1558: 1370: 1187: 1174: 1111: 970: 853: 763: 750: 727: 620:as an alternative to the 33:equal area map projection 606:. For larger values of 29:Bottomley map projection 1216:Lambert conformal conic 686:, Henry Bottomley, 2003 665:Compare Map Projections 634:List of map projections 1883:Equal-area projections 1349:Tobler hyperelliptical 962:Tobler hyperelliptical 888:Space-oblique Mercator 566: 347: 219: 127: 24: 616:It was introduced by 600:sinusoidal projection 567: 348: 220: 128: 22: 1725:Cahill–Keyes M-shape 1585:Chamberlin trimetric 363: 253: 143: 42: 1792:Tissot's indicatrix 1693:Central cylindrical 1334:Smyth equal-surface 1236:Transverse Mercator 1085:General perspective 840:Smyth equal-surface 792:Transverse Mercator 31:is a pseudoconical 1832:term article is a 1745:Waterman butterfly 1595:Miller cylindrical 1226:Peirce quincuncial 1121:Lambert equal-area 873:Gall stereographic 594:. On the central 562: 343: 341: 215: 123: 25: 1888:Cartography stubs 1845: 1844: 1809: 1808: 1805: 1804: 1757: 1756: 1753: 1752: 1701: 1700: 1554: 1553: 1550: 1549: 1433: 1432: 1170: 1169: 1166: 1165: 1129: 1128: 1017:Lambert conformal 993: 992: 907:Pseudocylindrical 901: 900: 604:Werner projection 590:, centred on the 579:arcs of constant 553: 461: 337: 278: 232:is the latitude, 213: 160: 105: 85: 1895: 1866: 1859: 1852: 1820: 1813: 1763: 1720:Cahill Butterfly 1658: 1638:Goode homolosine 1573: 1560: 1525: 1524:(Mecca or Qibla) 1405:Goode homolosine 1251: 1189: 1176: 1081: 1076: 947:Goode homolosine 912: 797:Oblique Mercator 774: 765: 752: 714: 707: 700: 691: 680:Cybergeo article 667: 662: 656: 650: 622:Bonne projection 571: 569: 568: 563: 558: 554: 552: 551: 550: 526: 525: 515: 514: 513: 494: 485: 484: 462: 460: 459: 454: 450: 449: 448: 424: 423: 405: 404: 395: 394: 373: 352: 350: 349: 344: 342: 338: 336: 326: 325: 309: 301: 279: 271: 224: 222: 221: 216: 214: 209: 199: 198: 179: 161: 153: 132: 130: 129: 124: 106: 98: 86: 84: 83: 82: 66: 52: 1903: 1902: 1898: 1897: 1896: 1894: 1893: 1892: 1873: 1872: 1871: 1870: 1810: 1801: 1768: 1749: 1697: 1684: 1647: 1624: 1610:Van der Grinten 1567: 1565:By construction 1546: 1523: 1522: 1514: 1491: 1473: 1454:Equirectangular 1440: 1429: 1366: 1343: 1339:Trystan Edwards 1295: 1272: 1240: 1183: 1162: 1135:Pseudoazimuthal 1125: 1107: 1074: 1073: 1066: 1021: 989: 985:Winkel I and II 966: 897: 878:Gall isographic 868:Equirectangular 849: 845:Trystan Edwards 801: 759: 746: 723: 718: 676: 671: 670: 663: 659: 651: 647: 642: 630: 618:Henry Bottomley 612: 589: 542: 517: 516: 505: 495: 489: 473: 440: 415: 414: 410: 409: 396: 386: 361: 360: 340: 339: 317: 310: 302: 293: 287: 286: 263: 251: 250: 242: 190: 180: 141: 140: 74: 67: 53: 40: 39: 17: 12: 11: 5: 1901: 1899: 1891: 1890: 1885: 1875: 1874: 1869: 1868: 1861: 1854: 1846: 1843: 1842: 1821: 1807: 1806: 1803: 1802: 1800: 1799: 1794: 1789: 1784: 1779: 1773: 1770: 1769: 1766: 1759: 1758: 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1600:Natural Earth 1598: 1596: 1593: 1591: 1588: 1586: 1583: 1582: 1580: 1578: 1574: 1570: 1566: 1561: 1557: 1543: 1540: 1538: 1535: 1533: 1530: 1529: 1527: 1521: 1517: 1511: 1508: 1506: 1503: 1502: 1500: 1498: 1494: 1488: 1485: 1484: 1482: 1480: 1476: 1470: 1467: 1465: 1462: 1460: 1457: 1455: 1452: 1450: 1447: 1446: 1444: 1442: 1436: 1426: 1423: 1421: 1418: 1416: 1413: 1411: 1408: 1406: 1403: 1401: 1398: 1396: 1393: 1391: 1388: 1386: 1383: 1381: 1380:Briesemeister 1378: 1376: 1373: 1372: 1369: 1363: 1360: 1358: 1355: 1354: 1352: 1350: 1346: 1340: 1337: 1335: 1332: 1330: 1327: 1325: 1322: 1320: 1317: 1315: 1312: 1310: 1307: 1306: 1304: 1302: 1298: 1292: 1289: 1287: 1284: 1283: 1281: 1279: 1275: 1269: 1266: 1264: 1261: 1260: 1258: 1256: 1252: 1249: 1247: 1243: 1237: 1234: 1232: 1231:Stereographic 1229: 1227: 1224: 1222: 1219: 1217: 1214: 1212: 1209: 1207: 1204: 1202: 1199: 1198: 1196: 1194: 1190: 1186: 1182: 1177: 1173: 1159: 1158:Winkel tripel 1156: 1154: 1151: 1149: 1146: 1144: 1141: 1140: 1138: 1136: 1132: 1122: 1119: 1117: 1114: 1113: 1110: 1104: 1103:Stereographic 1101: 1099: 1096: 1094: 1091: 1090: 1088: 1086: 1082: 1079: 1077: 1069: 1063: 1060: 1056: 1053: 1051: 1048: 1047: 1046: 1043: 1041: 1038: 1036: 1033: 1032: 1030: 1028: 1027:Pseudoconical 1024: 1018: 1015: 1013: 1010: 1008: 1005: 1004: 1002: 1000: 996: 986: 983: 981: 978: 976: 973: 972: 969: 963: 960: 958: 955: 953: 950: 948: 945: 943: 940: 938: 935: 933: 930: 928: 925: 923: 920: 919: 917: 913: 910: 908: 904: 894: 891: 889: 886: 884: 881: 879: 876: 874: 871: 869: 866: 864: 861: 859: 856: 855: 852: 846: 843: 841: 838: 836: 833: 831: 828: 826: 823: 821: 818: 816: 813: 812: 810: 808: 804: 798: 795: 793: 790: 788: 785: 784: 782: 779: 775: 772: 770: 766: 762: 758: 753: 749: 743: 740: 738: 735: 733: 730: 729: 726: 722: 715: 710: 708: 703: 701: 696: 695: 692: 685: 681: 678: 677: 673: 666: 661: 658: 654: 649: 646: 639: 635: 632: 631: 627: 625: 623: 619: 614: 609: 605: 601: 597: 593: 586: 583:equal to cos 582: 578: 559: 555: 547: 543: 539: 536: 533: 530: 527: 522: 518: 510: 506: 502: 499: 496: 490: 486: 481: 478: 474: 470: 467: 463: 456: 451: 445: 441: 437: 434: 431: 428: 425: 420: 416: 411: 406: 401: 391: 387: 383: 380: 377: 369: 366: 359: 358: 357: 333: 330: 327: 322: 318: 314: 311: 306: 303: 297: 295: 290: 283: 280: 275: 272: 267: 265: 260: 249: 248: 247: 244: 239: 235: 231: 210: 206: 203: 200: 195: 191: 187: 184: 181: 175: 172: 168: 165: 162: 157: 154: 149: 146: 139: 138: 137: 119: 116: 113: 110: 107: 102: 99: 94: 91: 87: 79: 75: 71: 68: 63: 60: 57: 54: 48: 45: 38: 37: 36: 34: 30: 21: 1838:expanding it 1823: 1675:Orthographic 1277: 1206:Gauss–KrĂĽger 1098:Orthographic 1039: 893:Web Mercator 787:Gauss–KrĂĽger 683: 660: 648: 615: 607: 584: 581:eccentricity 574: 355: 245: 237: 233: 229: 227: 135: 35:defined as: 28: 26: 1826:cartography 1653:Perspective 1441:some aspect 1425:Strebe 1995 1400:Equal Earth 1319:Gall–Peters 1301:Cylindrical 1116:Equidistant 1012:Equidistant 942:Equal Earth 825:Gall–Peters 769:Cylindrical 1877:Categories 1715:AuthaGraph 1707:Polyhedral 1577:Compromise 1505:Loximuthal 1497:Loxodromic 1459:Sinusoidal 1309:Balthasart 1286:Sinusoidal 1263:Sinusoidal 1246:Equal-area 957:Sinusoidal 915:Equal-area 815:Balthasart 807:Equal-area 780:-conformal 757:By surface 640:References 592:North Pole 577:elliptical 1787:Longitude 1615:Wagner VI 1464:Two-point 1395:Eckert VI 1390:Eckert IV 1385:Eckert II 1362:Mollweide 1357:Collignon 1324:Hobo–Dyer 1278:Bottomley 1193:Conformal 1181:By metric 1072:Azimuthal 1045:Polyconic 1040:Bottomley 980:Wagner VI 952:Mollweide 937:Eckert VI 932:Eckert IV 927:Eckert II 922:Collignon 830:Hobo–Dyer 653:Maplesoft 544:φ 540:⁡ 528:− 519:φ 507:φ 503:⁡ 487:⁡ 479:− 442:φ 438:⁡ 426:− 417:φ 388:φ 384:⁡ 367:ρ 334:ρ 331:⁡ 319:φ 315:⁡ 307:ρ 291:λ 284:ρ 281:− 273:π 261:φ 211:ρ 207:ρ 204:⁡ 192:φ 188:⁡ 182:λ 166:φ 163:− 155:π 147:ρ 117:⁡ 111:ρ 108:− 100:π 76:φ 72:⁡ 61:⁡ 55:ρ 1782:Latitude 1767:See also 1730:Dymaxion 1670:Gnomonic 1605:Robinson 1510:Mercator 1487:Gnomonic 1479:Gnomonic 1314:Behrmann 1221:Mercator 1093:Gnomonic 1075:(planar) 1050:American 820:Behrmann 778:Mercator 628:See also 602:and the 596:meridian 1830:mapping 1643:HEALPix 1542:Littrow 1153:Wiechel 1055:Chinese 999:Conical 863:Central 858:Cassini 835:Lambert 732:History 1662:Planar 1630:Hybrid 1537:Hammer 1469:Werner 1410:Hammer 1375:Albers 1291:Werner 1268:Werner 1148:Hammer 1143:Aitoff 1062:Werner 1007:Albers 883:Miller 742:Portal 356:where 136:where 1824:This 1532:Craig 1449:Conic 1255:Bonne 1035:Bonne 1834:stub 1735:ISEA 737:List 228:and 27:The 1828:or 537:cot 500:sin 475:tan 435:cot 381:sin 328:sin 312:sin 201:sin 185:sin 114:cos 69:sin 58:sin 1879:: 682:: 1865:e 1858:t 1851:v 1840:. 713:e 706:t 699:v 611:1 608:φ 588:1 585:φ 560:. 556:) 548:1 534:+ 531:y 523:1 511:1 497:x 491:( 482:1 471:= 468:E 464:, 457:2 452:) 446:1 432:+ 429:y 421:1 412:( 407:+ 402:2 398:) 392:1 378:x 375:( 370:= 323:1 304:E 298:= 276:2 268:= 241:1 238:φ 234:λ 230:φ 196:1 176:= 173:E 169:, 158:2 150:= 120:E 103:2 95:= 92:y 88:, 80:1 64:E 49:= 46:x

Index


equal area map projection
elliptical
eccentricity
North Pole
meridian
sinusoidal projection
Werner projection
Henry Bottomley
Bonne projection
List of map projections
Maplesoft
Compare Map Projections
Cybergeo article
v
t
e
Map projection
History
List
Portal
By surface
Cylindrical
Mercator
Gauss–Krüger
Transverse Mercator
Oblique Mercator
Equal-area
Balthasart
Behrmann

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