| 280 | | The following succession of operations is performed by '''uvmat.fig''': -'''File Reading:''' the input field is first read from the input file by the Matlab functions {imread.m}, {mmreader.m}, or {aviread.m} for images, or the uvmat functions {nc2struct.m} or {read_civxdata.m} for netcdf files. -'''Second file reading:''' The second input field is similarly read if selected. Note that it is kept in memory, so it is not read again if the file is unchanged (this is useful in the case of substraction of a fixed background for instance). -'''Transform:''' by default the 'phys' option transforms each of the input fields from pixel to physical coordinates. This operation can also combine two input fields. -'''Histogram:''' This is obtained from the input field in transformed coordinates, or if applicable from the fields resulting from the two input fields. -'''Projection:''' on the projection object selected in the menu '''[list_object_1]''', see [section 7->#get_field]. A second projection, on the object selected by '''[list_object_1]''', can be plotted in the anciillary figure '''view_field.fig'''. Function used: {proj_field.m}. -'''Field calculation:''' a scalar can be calculated from each of the input fields, as selected by the menu '''[Fields]'''. This is performed by the function {calc_field.m}. -'''Field comparison''': when two fields of the same nature are introduced, the difference is taken by the function {sub_field.m.}. This is skipped if the transform function has already led to a single field. -'''Plotting:''' plot the results of projection. Function used: {plot_field.m} |
| | 280 | The following succession of operations is performed by '''uvmat.fig''': |
| | 281 | -'''File identification:''' the nomenclature type and file type (for instance image, movie, or Netcdf file) are identified from the opened file (using the function ''find_file_series.m''). |
| | 282 | -'''File Reading:''' the input field is first read from the input file by the Matlab function ''read_field.m''. |
| | 283 | -'''Second file reading:''' The second input field is similarly read if selected. Note that it is kept in memory, so it is not read again if the file is unchanged (this is useful in the case of substraction of a fixed background for instance). |
| | 284 | -'''Transform:''' by default the 'phys' option transforms each of the input fields from pixel to physical coordinates. This operation can also combine two input fields. |
| | 285 | -'''Histogram:''' This is obtained from the input field in transformed coordinates, or if applicable from the fields resulting from the two input fields. |
| | 286 | -'''Projection:''' on the projection object selected in the menu '''[ListObject_1]''', see [#ProjObject section 6]. A second projection, on the object selected by '''[ListObject]''', can be plotted in the ancillary figure '''view_field.fig'''. Projection is performed by the function {proj_field.m}. -'''Field calculation:''' a scalar can be calculated after projection, as selected by the menu '''[Fields]'''. |
| | 287 | -'''Field comparison''': when two fields of the same nature are introduced, the difference is taken by the function {sub_field.m.}. This is skipped if the transform function has already led to a single field. |
| | 288 | -'''Plotting:''' plot the results of projection. The function {plot_field.m} is used. |
