/*
 * grid.h - Create a grid structure and declare functions
 *
 * Author: Jon Todd
 *
 */

#ifndef __grid_h
#define __grid_h

#include <stdlib.h>
#include <assert.h>

// grid structure
//
typedef struct grid_t {
  char*name;      // File name (path)
  short**data;    // Data
  int ncols;      // Number of columns
  int nrows;      // Number of rows
  double x;        // x lat lon corner 
  double y;        // y lat lon corner
  int cellsize;   // Cell size
  int nodata;     // No data value
  int max;        // Max elevation
  int min;        // Min elevation
} GRID;

// min - return the min of two ints
//
int min(int x, int y); 



// importGrid - brings grid file into an array
//
GRID *importGrid(char *path);




// writeGrid - write grid structure to file path
//
void writeGrid(GRID *g,char *path);


// printGrid - Print the grid info 
//
void printGrid(GRID *g);


// freeGrid - free memory from grid
//
void freeGrid(GRID *g);

#endif