Changes between Version 11 and Version 12 of Tutorial/ProjectionObjects
- Timestamp:
- Mar 16, 2014, 2:48:47 PM (11 years ago)
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Tutorial/ProjectionObjects
v11 v12 5 5 6 6 == Plotting a luminosity profile == 7 Create a line by the menu bar command ''''Projection Object/line''''. A new GUI '''set_object''' appears on the right side, with default settings '''Type'''='line', '''!ProjMode'''='projection'. Draw a line with the mouse, left hande side button to mark the beginning and end of the line. The luminosity profile, with the three rgb image components, appears in a new GUI ''''view_field''''. 7 Create a line by the menu bar command ''''Projection Object/line''''. A new GUI '''set_object''' appears on the right side, with default settings '''Type'''='line', '''!ProjMode'''='projection'. Draw a line with the mouse, left hande side button to mark the beginning and end of the line. The luminosity profile, with the three rgb image components, appears in a new GUI ''''view_field''''. Th following figure shows the main GUI '''uvmat''', the GUI '''set_object''' which sets the object parameters, and the GUI '''view_field''' where the projected field is plotted: 8 8 9 [[Image(set_object.jpg)]] 10 11 These two GUIs can be made visible or not by selecting '''CheckViewObject''' or '''CheckViewField''' respectively in the frame '''Object''' of '''uvmat'''. 12 13 Once created, the line can be moved with the mouse, or by directly introducing the coordinates of the line in the table '''[Coord]''' of the GUI '''set_object'''. 9 14 A line aligned with the x or y axis can be directly created by the menu bar command ''''Projection Object/line_x'''' or ''''Projection Object/line_y'''' respectively. 10 11 The line can be moved with the mouse, or by directly introducing the coordinates of the line in the table '''[Coord]''' of the GUI '''set_object'''.12 15 13 16 … … 17 20 18 21 == Resampling the image == 19 The image can be resampled by linear interpolation of image luminosity on a grid, by selecting ''''Projection Object/plane''''. Then on the GUI '''set_object''', select '''interp_lin''' in the menu '''ProjMode'''. Set the mesh in x and y by the edit boxes num_DX and num_DY, for instance with values 10, and press REFRESH. The image interpolated on this coarse grid is then displayed. It is also possible to reduce the range of x and y by the edit boxes '''num_RangeX_1''' and 2 and '''num_RangeY_1''' and 2. Finally it is also possible to rotate the projection grid by setting the angle (in degrees) in the edit box '''num_Angle_3'''.22 The image can be resampled by linear interpolation of image luminosity on a grid, by selecting ''''Projection Object/plane''''. Then on the GUI '''set_object''', select '''interp_lin''' in the menu '''ProjMode'''. Set the mesh in x and y by the edit boxes '''num_DX''' and '''num_DY''', for instance with values 10, and press '''REFRESH'''. The image interpolated on this coarse grid is then displayed. It is also possible to reduce the range of x and y by the edit boxes '''num_RangeX_1''' and 2 and '''num_RangeY_1''' and 2. Finally it is also possible to rotate the projection grid by setting the angle (in degrees) in the edit box '''num_Angle_3'''.
