Initial Upload

example1/compile.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+inc=`gmt-config --cflags`
+lib=`gmt-config --libs`
+g++ gridding.cpp $inc $lib -o gridding
+./gridding

example1/gridding.cpp

@@ -0,0 +1,47 @@
+#include "gmt.h"
+#include "iostream"
+#include "string"
+
+int main(int argc, char *argv[])
+{
+	// Initiate a new GMT session
+	void *API = GMT_Create_Session("gridding_example", 2U, 0, NULL);
+
+	// Read table file from disk
+	struct GMT_DATASET *D = reinterpret_cast<GMT_DATASET*>(
+		GMT_Read_Data (API, GMT_IS_DATASET, GMT_IS_FILE, GMT_IS_PLP, 
+			GMT_READ_NORMAL, NULL, "table.txt", NULL));
+
+	// load dataset to a virtual file for gridding
+	// data type of a GMT virtual file must be GMT_STR16
+	char table_file[GMT_STR16] = {""};
+	GMT_Open_VirtualFile(API, GMT_IS_DATASET, GMT_IS_PLP, GMT_IN, D, table_file);
+
+	// create a virtual file to hold result
+	char grid_file[GMT_STR16] = {""};
+	GMT_Open_VirtualFile(API, GMT_IS_GRID, GMT_IS_SURFACE, GMT_OUT, NULL, grid_file);
+
+	// prepare CMD arguments for the gridding module
+	std::string table_file_str = table_file;
+	std::string grid_file_str = grid_file;
+	std::string args_gridding = "-R0/1000/0/1000 -I10 -D1 -St0.3 " + 
+		table_file_str + " -G" + grid_file_str;
+	// call the greenspline module for gridding
+	GMT_Call_Module(API, "greenspline", GMT_MODULE_CMD, (char*) args_gridding.c_str());
+
+	// get grid file from the virtual file for outputting
+	struct GMT_GRID *G = reinterpret_cast<GMT_GRID*>(
+		GMT_Read_VirtualFile(API, grid_file));
+
+	// write the grid to file
+	GMT_Write_Data(API, GMT_IS_GRID, GMT_IS_FILE, GMT_IS_SURFACE, GMT_READ_NORMAL, NULL,
+		"table.nc", G);
+
+	// close virtual files
+	GMT_Close_VirtualFile (API, table_file);
+	GMT_Close_VirtualFile (API, grid_file);
+
+	// end the GMT session
+	GMT_Destroy_Session(API);
+	return 0;
+}