c语言中调用gnuplot

2010年4月2日阅读(1,283)

Introduction to gnuplot — Plot Style
GNUPLOT使用手册
    FILE * command;
   command = popen("gnuplot","w");
   ///
   fprintf(command,"set terminal png \n");
   fprintf(command,"set output ‘test.png’\n");
   fprintf(command,"set multiplot\n");
   fprintf(command,"plot ‘%s’w lines\n",filename);
   fprintf(command,"plot ‘%s’w lines\n",filtered_filename);
   fflush(command);
   /////

pclose(command);