volcano
Topographic Information On Auckland’s Maunga Whau Volcano
A pre-loaded example dataset in R
Main page: https://www.rdocumentation.org/packages/datasets/versions/3.6.2/topics/volcano
head(volcano)## [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] [,14]
## [1,] 100 100 101 101 101 101 101 100 100 100 101 101 102 102
## [2,] 101 101 102 102 102 102 102 101 101 101 102 102 103 103
## [3,] 102 102 103 103 103 103 103 102 102 102 103 103 104 104
## [4,] 103 103 104 104 104 104 104 103 103 103 103 104 104 104
## [5,] 104 104 105 105 105 105 105 104 104 103 104 104 105 105
## [6,] 105 105 105 106 106 106 106 105 105 104 104 105 105 106
## [,15] [,16] [,17] [,18] [,19] [,20] [,21] [,22] [,23] [,24] [,25] [,26]
## [1,] 102 102 103 104 103 102 101 101 102 103 104 104
## [2,] 103 103 104 105 104 103 102 102 103 105 106 106
## [3,] 104 104 105 106 105 104 104 105 106 107 108 110
## [4,] 105 105 106 107 106 106 106 107 108 110 111 114
## [5,] 105 106 107 108 108 108 109 110 112 114 115 118
## [6,] 106 107 109 110 110 112 113 115 116 118 119 121
## [,27] [,28] [,29] [,30] [,31] [,32] [,33] [,34] [,35] [,36] [,37] [,38]
## [1,] 105 107 107 107 108 108 110 110 110 110 110 110
## [2,] 107 109 110 110 110 110 111 112 113 114 116 115
## [3,] 111 113 114 115 114 115 116 118 119 119 121 121
## [4,] 117 118 117 119 120 121 122 124 125 126 127 127
## [5,] 121 122 121 123 128 131 129 130 131 131 132 132
## [6,] 124 126 126 129 134 137 137 136 136 135 136 136
## [,39] [,40] [,41] [,42] [,43] [,44] [,45] [,46] [,47] [,48] [,49] [,50]
## [1,] 110 110 108 108 108 107 107 108 108 108 108 108
## [2,] 114 112 110 110 110 109 108 109 109 109 109 108
## [3,] 120 118 116 114 112 111 110 110 110 110 109 109
## [4,] 126 124 122 120 117 116 113 111 110 110 110 109
## [5,] 131 130 128 126 122 119 115 114 112 110 110 110
## [6,] 136 135 133 129 126 122 118 116 115 113 111 110
## [,51] [,52] [,53] [,54] [,55] [,56] [,57] [,58] [,59] [,60] [,61]
## [1,] 107 107 107 107 106 106 105 105 104 104 103
## [2,] 108 108 108 107 107 106 106 105 105 104 104
## [3,] 109 109 108 108 107 107 106 106 105 105 104
## [4,] 109 109 109 108 108 107 107 106 106 105 105
## [5,] 110 110 109 109 108 107 107 107 106 106 105
## [6,] 110 110 110 109 108 108 108 107 107 106 106require(grDevices); require(graphics)
filled.contour(volcano, color.palette = terrain.colors, asp = 1)
title(main = "volcano data: filled contour map")