1 | %'update_imadoc': update an xml file with geometric calibration parameters |
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2 | %-------------------------------------------------------------------------- |
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3 | % function update_imadoc(GeometryCalib,outputfile) |
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4 | % |
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5 | %INPUT: |
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6 | % GeometryCalib: structure containing the calibration parameters |
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7 | % outputfile: xml file to modify |
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8 | %------------------------------------------------------------- |
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9 | function errormsg=update_imadoc(GeometryCalib,outputfile) |
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10 | errormsg=''; |
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11 | testappend=0; |
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12 | if exist(outputfile,'file');%=1 if the output file already exists, 0 else |
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13 | testappend=1; |
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14 | t=xmltree(outputfile); %read the file |
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15 | backupfile=outputfile; |
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16 | testexist=2; |
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17 | while testexist==2 |
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18 | backupfile=[backupfile '~']; |
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19 | testexist=exist(backupfile,'file'); |
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20 | end |
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21 | [success,message]=copyfile(outputfile,backupfile);%make backup |
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22 | if success==0 |
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23 | errormsg=message; |
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24 | end |
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25 | uid=find(t,'ImaDoc'); |
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26 | if ~isequal(uid,1) |
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27 | return |
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28 | end |
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29 | %if the xml file is ImaDoc |
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30 | uid_calib=find(t,'ImaDoc/GeometryCalib'); |
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31 | if isempty(uid_calib) %if GeometryCalib does not already exists, create it |
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32 | [t,uid_calib]=add(t,1,'element','GeometryCalib'); |
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33 | else %if GeometryCalib already exists, delete its content |
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34 | if isequal(success,1) |
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35 | delete(outputfile) |
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36 | else |
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37 | return |
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38 | end |
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39 | uid_child=children(t,uid_calib); |
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40 | t=delete(t,uid_child); |
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41 | end |
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42 | end |
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43 | %create a new xml file |
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44 | if ~testappend |
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45 | t=xmltree; |
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46 | t=set(t,1,'name','ImaDoc'); |
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47 | % in case of movie (avi file), copy timing info in the new xml file |
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48 | [pp,outputroot]=fileparts(outputfile); |
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49 | imainfo=[]; |
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50 | if exist(fullfile(pp,[outputroot '.avi']),'file') |
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51 | FileName=fullfile(pp,[outputroot '.avi']); |
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52 | hhh=which('videoreader'); |
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53 | if isempty(hhh)%use old video function of matlab |
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54 | imainfo=aviinfo(FileName); |
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55 | imainfo.FrameRate=imainfo.FramesPerSecond; |
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56 | imainfo.NumberOfFrames=imainfo.NumFrames; |
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57 | else %use video function videoreader of matlab |
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58 | imainfo=get(videoreader(FileName)); |
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59 | end |
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60 | if ~isempty(imainfo) |
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61 | [t,uid_camera]=add(t,1,'element','Camera'); |
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62 | Camera.TimeUnit='s'; |
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63 | Camera.BurstTiming.Time=0; |
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64 | Camera.BurstTiming.Dti=1/imainfo.FrameRate; |
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65 | Camera.BurstTiming.NbDti=imainfo.NumberOfFrames-1; |
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66 | t=struct2xml(Camera,t,uid_camera); |
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67 | end |
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68 | [t,uid_calib]=add(t,1,'element','GeometryCalib'); |
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69 | end |
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70 | end |
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71 | t=struct2xml(GeometryCalib,t,uid_calib); |
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72 | save(t,outputfile); |
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