/*
 * visualize3D.h - Create a grid structure and declare functions
 *
 * Author: Jon Todd
 *
 */

#ifndef __visualize3D_h
#define __visualize3D_h

// grid structure
//

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

// forward declarations of functions 
//

void display(void);
void keypress(unsigned char key, int x, int y);
void main_menu(int value);
int min(int x, int y);
void color_map(int h);
float z_map(int h);
void mouse(int x, int y);
void reshape(int w, int h);
// printGrid - Print the grid info 
void printGrid(Grid *g);
// importGrid - brings grid file into an array
Grid *importGrid(char *path);
// rescaleGrid - multiply each value by factor
void rescaleGrid(Grid *g, int factor);
// writeGrid - write grid structure to file path
void writeGrid(Grid *g,char *path);

#endif