/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */ /* * cartogram.c * Copyright (C) 2016 D.M. Gualtieri * * cartogram is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * cartogram is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program. If not, see . */ //State data is a tab-delimited CSV file. //First column is two letter abbreviation (upper case) //Second column is the data (float) //includes just the contiguous 48 states plus DC #include #include #include /* Prototypes */ long atol(const char *s); size_t strlen( const char *s); char *strcpy(char *dest, const char *src); char *strcat( char *s1, const char *s2); char *strncat( char *s1, const char *s2, size_t n); char *strtok(char *str, const char *delim); char *itoa ( int value, char * str, int base ); char *fgets(char *str, int n, FILE *stream); void exit(int status); /* end of prototypes */ long fctr; int ret_value; int field; long size; int stretch = 0; float min,max; int n; int i,j; int user_response; char st_num[16]; char fn1[64]; char fn2[64]; char line[1000]; int num_images; int num_objects; int bear_position; char * states[49] = {"AL", "AR", "AZ", "CA", "CO", "CT", "DC", "DE", "FL", "GA", "IA", "ID", "IL", "IN", "KS", "KY", "LA", "MA", "MD", "ME", "MI", "MN", "MO", "MS", "MT", "NC", "ND", "NE", "NH", "NJ", "NM", "NV", "NY", "OH", "OK", "OR", "PA", "RI", "SC", "SD", "TN", "TX", "UT", "VA", "VT", "WA", "WI", "WV", "WY"}; float longitude[49] ={-86.8073, -92.3809, -111.3877, -119.7462, -105.3272, -72.7622, -77.0262, -75.5148, -81.717, -83.6487, -93.214, -114.5103, -89.0022, -86.2604, -96.8005, -84.6514, -91.8749, -71.5314, -76.7902, -69.3977, -84.5603, -93.9196, -92.302, -89.6812, -110.3261, -79.8431, -99.793, -98.2883, -71.5653, -74.5089, -106.2371, -117.1219, -74.9384, -82.7755, -96.9247, -122.1269, -77.264, -71.5101, -80.9066, -99.4632, -86.7489, -97.6475, -111.8535, -78.2057, -72.7093, -121.5708, -89.6385, -80.9696, -107.2085}; float latitude[49] ={32.799, 34.9513, 33.7712, 36.17, 39.0646, 41.5834, 38.8964, 39.3498, 27.8333, 32.9866, 42.0046, 44.2394, 40.3363, 39.8647, 38.5111, 37.669, 31.1801, 42.2373, 39.0724, 44.6074, 43.3504, 45.7326, 38.4623, 32.7673, 46.9048, 35.6411, 47.5362, 41.1289, 43.4108, 40.314, 34.8375, 38.4199, 42.1497, 40.3736, 35.5376, 44.5672, 40.5773, 41.6772, 33.8191, 44.2853, 35.7449, 31.106, 40.1135, 37.768, 44.0407, 47.3917, 44.2563, 38.468, 42.7475}; char csv_states[49][3]; float csv_data[49]; float csv_sorted_data[49]; char *token; FILE *indata; FILE *outdata; //Draws a circle at (xx,yy) with radius r const char* circle(int xx, int yy, int r, unsigned int color) { static char circle_string[256] = ""; strcpy(circle_string, "\0"); //example: //sprintf(circle_string, "\n",xx,yy,r,(unsigned int)0x000000); sprintf(circle_string, "\n",xx,yy,r,color); return circle_string; } //Puts text at (xx,yy) const char* text(int xx, int yy, char st_text[]) { static char text_string[256] = ""; strcpy(text_string, "\0"); sprintf(text_string, "%s\n",xx,yy,st_text); return text_string; } int main(int argc, char *argv[]) { printf("Stretch Eastern States? (Y/N):"); scanf("%c", &user_response); if ((user_response == 'Y')||(user_response == 'y')) { stretch = 1; } //Scale longitude and latitude for (n=0;n<49;n++) { longitude[n] = 18.0*(130+longitude[n]); //Implement stretch if((stretch!=0)&&(longitude[n]>900)) { longitude[n] = 900 + 2.5*(longitude[n]-900); } latitude[n] = 34.0*(52-latitude[n]); //printf("%f\t%f\n", longitude[n],latitude[n]); } strcpy(fn1,argv[1]); printf("\nInput file selected = %s\n",fn1); if ((indata = fopen(fn1,"rb"))==NULL) {printf ("\nInput file cannot be opened.\n"); exit (1);} // Get input file size fseek(indata, 0, SEEK_END); size = ftell(indata); rewind(indata); printf("Filename = %s\n",fn1); printf("file size = %ld\n",size); //Read CSV file data lines for (n=0;n<49;n++) { fgets ( line, sizeof line, indata); // get the first token strcpy(&csv_states[n][0], strtok(line, "\t")); //get the second token token = strtok(NULL, "\t"); sscanf (token, "%f", &csv_data[n]); } //find max/min of data max = 0; min = 1E32; for (n=0;n<49;n++) { if(csv_data[n]>max) { max=csv_data[n]; } if(csv_data[n]\n"); fprintf(outdata,""); printf("Done.\n"); fclose(outdata); return (0); }