Last change
on this file was
19480,
checked in by westram, 17 months ago
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Property svn:eol-style set to
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Property svn:keywords set to
Author Date Id Revision
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File size:
1.7 KB
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1 | #include <stdlib.h> |
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2 | #include "Flatio.c" |
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3 | #define MAX(a,b) ((a)>(b)?(a):(b)) |
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4 | |
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5 | /* |
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6 | * Varpos.c- An extremely simple program for showing which positions |
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7 | * are varying in an alignment. Use this as a model for other |
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8 | * external functions. |
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9 | * |
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10 | * Read in a flat file alignment, pass back an alignment color |
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11 | * mask. |
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12 | * |
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13 | * Copyright 1991/1992 Steven Smith, Harvard Genome lab. |
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14 | * |
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15 | */ |
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16 | |
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17 | int main(ac,av) |
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18 | int ac; |
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19 | char **av; |
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20 | { |
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21 | struct data_format data[10000]; |
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22 | int j,k,numseqs,rev = FALSE; |
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23 | int maxlen = -99999, |
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24 | score = 0, |
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25 | minoffset = 99999; |
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26 | char ch; |
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27 | if(ac>2) |
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28 | { |
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29 | fprintf(stderr,"Usage %s [-rev]<gde_flat_file>gde_color_mask\n", av[0]); |
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30 | return 1; |
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31 | } |
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32 | if(ac == 2) |
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33 | if(strcmp(av[1],"-rev") == 0) |
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34 | rev = TRUE; |
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35 | |
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36 | numseqs = ReadFlat(stdin,data,10000); |
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37 | |
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38 | if(numseqs == 0) |
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39 | return 1; |
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40 | |
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41 | for(j=0;j<numseqs;j++) |
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42 | { |
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43 | if(data[j].length+data[j].offset > maxlen) |
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44 | maxlen = data[j].length+data[j].offset; |
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45 | if(data[j].offset < minoffset) |
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46 | minoffset = data[j].offset; |
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47 | } |
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48 | |
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49 | printf("length:%d\n",maxlen); |
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50 | printf("offset:%d\n",minoffset); |
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51 | printf("start:\n"); |
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52 | for(j=0;j<maxlen;j++) |
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53 | { |
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54 | int a=0,c=0,g=0,u=0; |
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55 | |
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56 | for(k=0;k<numseqs;k++) |
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57 | if(data[k].length+data[k].offset > j) |
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58 | { |
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59 | if(j>data[k].offset) |
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60 | ch=data[k].nuc[j-data[k].offset] | 32; |
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61 | else |
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62 | ch = '-'; |
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63 | |
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64 | if(ch=='a')a++; |
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65 | if(ch=='c')c++; |
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66 | if(ch=='g')g++; |
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67 | if(ch=='u')u++; |
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68 | if(ch=='t')u++; |
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69 | } |
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70 | |
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71 | score=MAX(a,c); |
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72 | score=MAX(score,g); |
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73 | score=MAX(score,u); |
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74 | if(a+c+g+u) |
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75 | { |
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76 | if(rev) |
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77 | score=(score*6/(a+c+g+u)+8); |
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78 | else |
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79 | score=((8-score*6/(a+c+g+u))+8); |
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80 | } |
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81 | else |
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82 | score=8; |
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83 | printf("%d\n",score); |
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84 | } |
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85 | return 0; |
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86 | } |
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