Initial commit

change 1e-2 to 'ftol' in CalSurfG.f90, which may cause problem with small study region (~2 km)

example/.gmtdefaults4

@@ -0,0 +1,107 @@
+#
+#	GMT-SYSTEM 4.5.11 [64-bit] Defaults file
+#
+#-------- Plot Media Parameters -------------
+PAGE_COLOR		= white
+PAGE_ORIENTATION	= landscape
+PAPER_MEDIA		= a4
+#-------- Basemap Annotation Parameters ------
+ANNOT_MIN_ANGLE		= 20
+ANNOT_MIN_SPACING	= 0
+ANNOT_FONT_PRIMARY	= Helvetica
+ANNOT_FONT_SIZE_PRIMARY	= 6p
+ANNOT_OFFSET_PRIMARY	= 0.2c
+ANNOT_FONT_SECONDARY	= Helvetica
+ANNOT_FONT_SIZE_SECONDARY	= 16p
+ANNOT_OFFSET_SECONDARY	= 0.2c
+DEGREE_SYMBOL		= ring
+HEADER_FONT		= Helvetica
+HEADER_FONT_SIZE	= 36p
+HEADER_OFFSET		= 0.5c
+LABEL_FONT		= Helvetica
+LABEL_FONT_SIZE		= 5p
+LABEL_OFFSET		= 0.1c
+OBLIQUE_ANNOTATION	= 1
+PLOT_CLOCK_FORMAT	= hh:mm:ss
+PLOT_DATE_FORMAT	= yyyy-mm-dd
+PLOT_DEGREE_FORMAT	= ddd:mm:ss
+Y_AXIS_TYPE		= hor_text
+#-------- Basemap Layout Parameters ---------
+BASEMAP_AXES		= WESN
+BASEMAP_FRAME_RGB	= black
+BASEMAP_TYPE		= fancy
+FRAME_PEN		= 1.25p
+FRAME_WIDTH		= 0.1c
+GRID_CROSS_SIZE_PRIMARY	= 0c
+GRID_PEN_PRIMARY	= 0.25p
+GRID_CROSS_SIZE_SECONDARY	= 0c
+GRID_PEN_SECONDARY	= 0.5p
+MAP_SCALE_HEIGHT	= 0.2c
+POLAR_CAP		= 85/90
+TICK_LENGTH		= 0.1c
+TICK_PEN		= 0.3p
+X_AXIS_LENGTH		= 25c
+Y_AXIS_LENGTH		= 15c
+X_ORIGIN		= 2.5c
+Y_ORIGIN		= 2.5c
+UNIX_TIME		= FALSE
+UNIX_TIME_POS		= BL/-2c/-2c
+UNIX_TIME_FORMAT	= %Y %b %d %H:%M:%S
+#-------- Color System Parameters -----------
+COLOR_BACKGROUND	= black
+COLOR_FOREGROUND	= white
+COLOR_NAN		= 128
+COLOR_IMAGE		= adobe
+COLOR_MODEL		= rgb
+HSV_MIN_SATURATION	= 1
+HSV_MAX_SATURATION	= 0.1
+HSV_MIN_VALUE		= 0.3
+HSV_MAX_VALUE		= 1
+#-------- PostScript Parameters -------------
+CHAR_ENCODING		= ISOLatin1+
+DOTS_PR_INCH		= 300
+GLOBAL_X_SCALE		= 1
+GLOBAL_Y_SCALE		= 1
+N_COPIES		= 1
+PS_COLOR		= rgb
+PS_IMAGE_COMPRESS	= lzw
+PS_IMAGE_FORMAT		= ascii
+PS_LINE_CAP		= butt
+PS_LINE_JOIN		= miter
+PS_MITER_LIMIT		= 35
+PS_VERBOSE		= FALSE
+TRANSPARENCY		= 0
+#-------- I/O Format Parameters -------------
+D_FORMAT		= %.12lg
+FIELD_DELIMITER		= tab
+GRIDFILE_FORMAT		= nf
+GRIDFILE_SHORTHAND	= FALSE
+INPUT_CLOCK_FORMAT	= hh:mm:ss
+INPUT_DATE_FORMAT	= yyyy-mm-dd
+IO_HEADER		= FALSE
+N_HEADER_RECS		= 1
+NAN_RECORDS		= pass
+OUTPUT_CLOCK_FORMAT	= hh:mm:ss
+OUTPUT_DATE_FORMAT	= yyyy-mm-dd
+OUTPUT_DEGREE_FORMAT	= D
+XY_TOGGLE		= FALSE
+#-------- Projection Parameters -------------
+ELLIPSOID		= WGS-84
+MAP_SCALE_FACTOR	= default
+MEASURE_UNIT		= cm
+#-------- Calendar/Time Parameters ----------
+TIME_FORMAT_PRIMARY	= full
+TIME_FORMAT_SECONDARY	= full
+TIME_EPOCH		= 2000-01-01T12:00:00
+TIME_IS_INTERVAL	= OFF
+TIME_INTERVAL_FRACTION	= 0.5
+TIME_LANGUAGE		= us
+TIME_UNIT		= d
+TIME_WEEK_START		= Sunday
+Y2K_OFFSET_YEAR		= 1950
+#-------- Miscellaneous Parameters ----------
+HISTORY			= TRUE
+INTERPOLANT		= akima
+LINE_STEP		= 0.025c
+VECTOR_SHAPE		= 0
+VERBOSE			= FALSE