| 1 | #include <stdio.h>
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| 2 | #include <string.h>
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| 3 | #include <stdlib.h>
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| 4 | #include <time.h>
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| 5 | int main(int argc, char *argv[])
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| 6 | {
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| 7 |
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| 8 | FILE *plotfile;
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| 9 |
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| 10 | char tempFilename[80];
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| 11 | long startTime;
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| 12 | char usingStr[40];
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| 13 |
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| 14 | time_t rawtime;
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| 15 | struct tm * timeinfo;
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| 16 |
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| 17 | if (argc < 3) {
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| 18 | fprintf (stderr, "usage: plot <filename.slow> Starttimemodifier e.g. 3600 \n");
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| 19 | return -1;
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| 20 | }
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| 21 | if (argc > 3) {
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| 22 | fprintf (stderr, "too many arguments: usage: plot <filename.slow> Starttimemodifier e.g. 300\n");
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| 23 | return -1;
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| 24 | }
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| 25 |
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| 26 | time ( &rawtime );
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| 27 |
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| 28 | startTime = (long)rawtime;
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| 29 | strcpy(tempFilename, argv[1]);
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| 30 |
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| 31 | startTime -= atoi(argv[2]);
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| 32 | rawtime -= atoi(argv[2]);
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| 33 |
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| 34 | plotfile = fopen ("plot_t.plt","w");
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| 35 |
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| 36 | timeinfo = localtime ( &rawtime );
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| 37 | fprintf (plotfile, "set title 'Temps since %s\n", asctime (timeinfo) );
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| 38 |
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| 39 | if (plotfile!=NULL)
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| 40 | {
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| 41 | fputs ( "set xlabel 'time sec '\n"
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| 42 | "set ylabel 'T in C '\n"
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| 43 | "set grid\n"
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| 44 | ,plotfile);
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| 45 |
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| 46 | sprintf(usingStr, "($10>\%d ? $10-\%d : 1/0)", startTime, startTime);
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| 47 |
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| 48 | fputs("plot ",plotfile);
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| 49 |
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| 50 | fprintf(plotfile, "\"%s\" using %s:11 title 'water out' with points"
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| 51 | ,tempFilename
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| 52 | ,usingStr
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| 53 | );
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| 54 |
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| 55 | fputs(", \\\n", plotfile);
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| 56 | fprintf(plotfile, "\"%s\" using %s:12 title 'upper right' with points"
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| 57 | ,tempFilename
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| 58 | ,usingStr
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| 59 | );
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| 60 | fputs(", \\\n", plotfile);
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| 61 | fprintf(plotfile, "\"%s\" using %s:13 title 'upper left' with points"
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| 62 | ,tempFilename
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| 63 | ,usingStr
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| 64 | );
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| 65 | fputs(", \\\n", plotfile);
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| 66 | fprintf(plotfile, "\"%s\" using %s:14 title 'lower left' with points"
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| 67 | ,tempFilename
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| 68 | ,usingStr
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| 69 | );
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| 70 | fputs(", \\\n", plotfile);
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| 71 | fprintf(plotfile, "\"%s\" using %s:15 title 'lower right' with points"
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| 72 | ,tempFilename
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| 73 | ,usingStr
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| 74 | );
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| 75 | fputs(", \\\n", plotfile);
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| 76 | fprintf(plotfile, "\"%s\" using %s:16 title 'water in' with points"
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| 77 | ,tempFilename
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| 78 | ,usingStr
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| 79 | );
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| 80 | fputs(", \\\n", plotfile);
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| 81 | fprintf(plotfile, "\"%s\" using %s:17 title 'humidity temp' with points"
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| 82 | ,tempFilename
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| 83 | ,usingStr
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| 84 | );
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| 85 | fputs("\n", plotfile);
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| 86 |
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| 87 | fputs("pause -1 \"Hit any key or press OK to continue ...\"\n",plotfile);
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| 88 |
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| 89 | fclose (plotfile);
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| 90 | }
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| 91 |
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| 92 | system("gnuplot plot_t.plt");
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| 93 |
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| 94 | system("rm plot_t.plt");
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| 95 | return 0;
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| 96 | }
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