|
|
| // ************************************************************** |
| // ************************************************************** |
| // *********** netcdf configuration file for SIG program ******* |
| // *********** Version 1.0 ******* |
| // ************************************************************** |
| // ************************************************************** |
| // ************************************************************** |
| // ** EUROPIV II Project ** |
| // ** Synthetic Image Generator ** |
| // ** Feb. 2001 ** |
| // ************************************************************** |
| // ** Bertrand Lecordier : Bertrand.Lecordier@coria.fr ** |
| // ** Jerry Westerweel : j.westerweel@wbmt.tudelft.nl ** |
| // *************************************************************/ |
| |
| |
| netcdf sig_conf { |
| |
| dimensions: |
| d_chaine = unlimited; |
| |
| |
| //********************************************* |
| //************************Variables *********** |
| //********************************************* |
| |
| variables: |
| |
| int p_dimX; |
| p_dimX:valid_min = 1; |
| p_dimX:valid_max = 4096; |
| p_dimX:units = "pixel"; |
| p_dimX:long_name = "main image width"; |
| |
| int p_dimY; |
| p_dimY:valid_min = 1; |
| p_dimY:valid_max = 4096; |
| p_dimY:units = "pixel"; |
| p_dimY:long_name = "main image height"; |
| |
| int p_dimL; |
| p_dimL:valid_min = 0; |
| p_dimL:valid_max = 1024; |
| p_dimL:units = "pixel"; |
| p_dimL:long_name = "left strip"; |
| |
| int p_dimR; |
| p_dimR:valid_min = 0; |
| p_dimR:valid_max = 1024; |
| p_dimR:units = "pixel"; |
| p_dimR:long_name = "right strip"; |
| |
| int p_dimT; |
| p_dimT:valid_min = 0; |
| p_dimT:valid_max = 1024; |
| p_dimT:units = "pixel"; |
| p_dimT:long_name = "top strip"; |
| |
| int p_dimB; |
| p_dimB:valid_min = 0; |
| p_dimB:valid_max = 1024; |
| p_dimB:units = "pixel"; |
| p_dimB:long_name = "bottom strip"; |
| |
| char periodic_flag(d_chaine); |
| |
| //********************************************* |
| //********************************************* |
| // Particle field dimension (real space) |
| // r_[x,y,z]min, r_[x,y,z]max defined the region of interest |
| // into the particle field - the particle field can be largeur |
| // |
| // The magnification factor is obtained from |
| // Gx = (r_xmax-r_xmin)/p_dimX (real/pixel) |
| // Gy = (r_ymax-r_ymin)/p_dimY (real/pixel) |
| // Important : Gx and Gy can be different |
| |
| // ******* X axis ************************** |
| double r_xmin; |
| r_xmin:units = "real"; |
| r_xmin:long_name = "x minimum"; |
| |
| double r_xmax; |
| r_xmax:units = "real"; |
| r_xmax:long_name = "x maximum"; |
| |
| // ******* Y axis ************************** |
| double r_ymin; |
| r_ymin:units = "real"; |
| r_ymin:long_name = "y minimum"; |
| |
| double r_ymax; |
| r_ymax:units = "real"; |
| r_ymax:long_name = "y maximum"; |
| |
| // ******* Z axis *************************** |
| // ** for the 2D particle (x,y), used the same value for |
| // ** r_zmin, r_zmin and sheet_rpos_z |
| double r_zmin; |
| r_zmin:units = "real"; |
| r_zmin:long_name = "z minimum"; |
| |
| double r_zmax; |
| r_zmax:units = "real"; |
| r_zmax:long_name = "z maximum"; |
| |
|
|
| // **************************************** |
| // **************************************** |
| // Light sheet information |
| // **************************************** |
| // **************************************** |
|
|
| char lsheet_type(d_chaine); |
| lsheet_type:long_name = "type of light sheet"; |
| // possible values : |
| // uniform |
| // gaussian |
| // triangle |
| // cosine |
| // squarecosine |
| |
| // location in the real domain of the center |
| // of laser sheet (perpendicular to the z axis) |
| double lsheet_rpos_z; |
| lsheet_rpos_z:units = "real"; |
| lsheet_rpos_z:long_name = "z location of light sheet"; |
| |
| double lsheet_rthickness; |
| lsheet_rthickness:valid_min = 0.0; |
| lsheet_rthickness:units = "real"; |
| lsheet_rthickness:long_name = "light sheet thickness"; |
| |
| double lsheet_wave_length; |
| lsheet_wave_length:valid_min = 0.0; |
| lsheet_wave_length:units = "real"; |
| lsheet_wave_length:long_name = "laser wave length"; |
| |
| // ************************************************ |
| // ************* Particle distribution ************ |
| // ************************************************ |
|
|
| char part_distribution(d_chaine); |
| // Possible alternative |
| // uniform : constant diameter equal to part_mean_diam |
| // |
| // gaussian: gaussian distribution for the particle diameter |
| // mean diameter : part_mean_diam |
| // std diameter : part_std_diam |
| double part_min_diam; |
| part_min_diam:valid_min = 0.0; |
| part_min_diam:long_name = "minimum particle diameter"; |
| double part_max_diam; |
| part_max_diam:valid_min = 0.0; |
| part_max_diam:valid_max = 10.0; |
| part_max_diam:long_name = "maximum particle diameter"; |
| double part_mean_diam; |
| part_mean_diam:long_name= "mean particle diamete"; |
| double part_std_diam; |
| part_std_diam:long_name= "std. of distribution of particle diameter"; |
| |
| // ***************************************************** |
| // ************ image pattern information ************** |
| // ***************************************************** |
|
|
| char pattern_type(d_chaine); |
| // possible values |
| // gaussian : gaussian particle shape |
| // circle : circle particle shape |
| // rectangle: rectangle particle shape |
| double pattern_meanx; |
| pattern_meanx:valid_min = 0.0; |
| pattern_meanx:long_name = "pattern size for the part_meanx_diam"; |
| double pattern_meany; |
| pattern_meany:valid_min = 0.0; |
| pattern_meany:long_name = "pattern size for the part_meany_diam"; |
| |
|
|
| // ************************************************ |
| // ************ Projection information ************ |
| // ************************************************ |
|
|
| char projection_type(d_chaine); |
| // possible values |
| // normal : Normal projection without effect of particle motion along z |
| // znormal : Normal projection with effect of particule motion along z |
| // angular : Angular projection for stereo PIV |
| |
| double projection_angle; // For angular projection |
| projection_angle:valid_min = 0.0; |
| projection_angle:valid_max = 360; |
| projection_angle:long_name = "Angle of view"; |
| double projection_tilt_angle; // For angular projection |
| projection_tilt_angle:valid_min = 0.0; |
| projection_tilt_angle:valid_max = 360; |
| projection_tilt_angle:long_name = "Tilt angle"; |
| |
| // ************************************************ |
| // ************* CCD information ************ |
| // ************************************************ |
|
|
| // Pixel active area size : ccd_fill_ratio_x*ccd_fill_ratio_y |
| double ccd_fill_ratio_x; |
| ccd_fill_ratio_x:valid_min = 0.0; |
| ccd_fill_ratio_x:valid_max = 1.0; |
| ccd_fill_ratio_x:long_name = "X CCD fill ration"; |
| double ccd_fill_ratio_y; |
| ccd_fill_ratio_y:valid_min = 0.0; |
| ccd_fill_ratio_y:valid_max = 1.0; |
| ccd_fill_ratio_y:long_name = "Y CCD fill ration"; |
| double ccd_saturation_level; |
| ccd_saturation_level:valid_min = 0.0; |
| ccd_saturation_level:valid_max = 1.0; |
| ccd_saturation_level:long_name = "saturation level"; |
| |
| |
|
|
| //****** Initial background information *******/ |
| |
| char ccd_background_type(d_chaine); |
| // Possible alternative |
| // uniform : uniform background with |
| // level ccd_background_mean_level |
| // gaussian: gaussian noise with a mean value |
| // equal to ccd_background_mean_level |
| // and a std. equal to ccd_background_std_noise |
| double ccd_background_mean_level; |
| ccd_background_mean_level:valid_min = 0; |
| ccd_background_mean_level:long_name = "mean initial background level"; |
| double ccd_background_std_noise; |
| ccd_background_std_noise:valid_min = 0; |
| ccd_background_std_noise:long_name = "std. noise for initial background"; |
| |
| double ccd_pixel_horizontal_pitch; |
| ccd_pixel_horizontal_pitch:valid_min = 0.0; |
| ccd_pixel_horizontal_pitch:units = "pixel/real"; |
| ccd_pixel_horizontal_pitch:long_name = "horizontal pixel pitch"; |
| |
| double ccd_pixel_vertical_pitch; |
| ccd_pixel_vertical_pitch:valid_min = 0.0; |
| ccd_pixel_vertical_pitch:units = "pixel/real"; |
| ccd_pixel_vertical_pitch:long_name = "vertical pixel pitch"; |
| |
|
|
| // ************************************************* |
| // **********optics information ******************** |
| // ************************************************* |
|
|
| double optic_object_distance; |
| optic_object_distance:long_name = "object distance"; |
| |
| double optic_image_distance; |
| optic_image_distance:long_name = "image distance"; |
| |
| double optic_aperture; |
| optic_aperture:valid_min = 1.; |
| optic_aperture:long_name = "optic aperture"; |
| |
| double optic_magnification; |
| optic_magnification:valid_min = 0.0; |
| optic_magnification:long_name = "optic magnification"; |
| |
|
|
|
|
| |
| |
| // ************************************************ |
| // ** initial seed numbers for the random generator |
| // ************************************************ |
|
|
| int seed_number1; |
| seed_number1:valid_min = 0; |
| seed_number1:valid_max = 30000; |
| seed_number1:long_name = "seed number 1"; |
| |
| int seed_number2; |
| seed_number2:valid_min = 0; |
| seed_number2:valid_max = 30000; |
| seed_number2:long_name = "seed number 2"; |
| |
| int seed_number3; |
| seed_number3:valid_min = 0; |
| seed_number3:valid_max = 30000; |
| seed_number3:long_name = "seed number 3"; |
| data: |
| |
| p_dimX = 2048 ; |
| |
| p_dimY = 2048 ; |
|
|
| p_dimL = 0 ; |
| |
| p_dimR = 0 ; |
|
|
| p_dimT = 0 ; |
| |
| p_dimB = 0 ; |
|
|
| periodic_flag = "no_periodic" ; |
|
|
| r_xmin = 0 ; |
| |
| r_xmax = 150; |
|
|
| r_ymin = -150 ; |
| |
| r_ymax = 0 ; |
|
|
| r_zmin = -0.6 ; |
| |
| r_zmax = 0.6 ; |
|
|
| lsheet_type = "uniform" ; |
| |
| lsheet_rpos_z = 0 ; |
| |
| lsheet_rthickness = 1.2 ; |
|
|
| lsheet_wave_length = 532e-9 ; |
|
|
| part_distribution = "uniform" ; |
| |
| part_min_diam = 0.7 ; |
| |
| part_max_diam = 0.7; |
| |
| part_mean_diam = 0.7 ; |
| |
| part_std_diam = 0; |
| |
| pattern_type = "gaussian" ; |
|
|
| pattern_meanx = 1.274; |
| |
| pattern_meany = 1.274 ; |
|
|
| projection_type = "normal" ; |
| |
| projection_angle = 0 ; |
|
|
| projection_tilt_angle = 0 ; |
|
|
| ccd_fill_ratio_x = 1 ; |
| |
| ccd_fill_ratio_y = 1 ; |
|
|
| ccd_saturation_level = 1 ; |
|
|
| ccd_background_type = "gaussian" ; |
|
|
| ccd_background_mean_level = 0 ; |
| |
| ccd_background_std_noise = 0 ; |
|
|
| ccd_pixel_horizontal_pitch = 327.68 ; |
| |
| ccd_pixel_vertical_pitch = 327.68 ; |
|
|
| optic_object_distance = 5000 ; |
|
|
| optic_image_distance = 208.5 ; |
|
|
| optic_aperture = 2 ; |
| |
| optic_magnification = 0.0417; |
|
|
| seed_number1 = 1 ; |
| |
| seed_number2 = 100 ; |
|
|
| seed_number3 = 10000 ; |
| } |
| |
