# Data from GMT tutorial (Example 14 from GMT Cookbook)
# http://gmt.soest.hawaii.edu
# x       y    height
0.3	6.1	870.0
1.4	6.2	793.0
2.4	6.1	755.0
3.6	6.2	690.0
5.7	6.2	800.0
1.6	5.2	800.0
2.9	5.1	730.0
3.4	5.3	728.0
3.4	5.7	710.0
4.8	5.6	780.0
5.3	5.0	804.0
6.2	5.2	855.0
0.2	4.3	830.0
0.9	4.2	813.0
2.3	4.8	762.0
2.5	4.5	765.0
3.0	4.5	740.0
3.5	4.5	765.0
4.1	4.6	760.0
4.9	4.2	790.0
6.3	4.3	820.0
0.9	3.2	855.0
1.7	3.8	812.0
2.4	3.8	773.0
3.7	3.5	812.0
4.5	3.2	827.0
5.2	3.2	805.0
6.3	3.4	840.0
0.3	2.4	890.0
2.0	2.7	820.0
3.8	2.3	873.0
6.3	2.2	875.0
0.6	1.7	873.0
1.5	1.8	865.0
2.1	1.8	841.0
2.1	1.1	862.0
3.1	1.1	908.0
4.5	1.8	855.0
5.5	1.7	850.0
5.7	1.0	882.0
6.2	1.0	910.0
0.4	0.5	940.0
1.4	0.6	915.0
1.4	0.1	890.0
2.1	0.7	880.0
2.3	0.3	870.0
3.1	0.0	880.0
4.1	0.8	960.0
5.4	0.4	890.0
6.0	0.1	860.0
5.7	3.0	830.0
3.6	6.0	705.0