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gpiv-post_par.h
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1 /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4 c-style: "K&R" -*- */
2 
3 /*
4  libgpiv - library for Particle Image Velocimetry
5 
6  Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 Gerber van der Graaf
7 
8  This file is part of libgpiv.
9 
10  Libgpiv is free software; you can redistribute it and/or modify
11  it under the terms of the GNU General Public License as published by
12  the Free Software Foundation; either version 2, or (at your option)
13  any later version.
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15  This program is distributed in the hope that it will be useful,
16  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  GNU General Public License for more details.
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20  You should have received a copy of the GNU General Public License
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22  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 
24 
25 
26 
27 -----------------------------------------------------------------------
28 LIBRARY: libgpiv
29 SOURCE: post_par.c
30 EXTERNAL FUNCTIONS:
31  gpiv_post_parameters_set
32  gpiv_post_default_parameters
33  gpiv_post_get_parameters_from_resources
34 
35  gpiv_post_read_parameters
36  gpiv_post_check_parameters_read
37  gpiv_post_fprint_parameters
38  gpiv_post_fread_hdf5_parameters
39  gpiv_post_fwrite_hdf5_parameters
40 
41  ------------------------------------------------------------------- */
42 
52 #ifndef __LIBGPIV_POSTPAR_H__
53 #define __LIBGPIV_POSTPAR_H__
54 
55 #define GPIV_POSTPAR_KEY "POST"
61 enum GpivOperationManipiv {
66  GPIV_ROT90 = 4,
71 };
72 
73 
74 
83 };
84 
85 
86 
94 };
95 
96 
97 
104 };
105 
106 
107 
108 typedef struct __GpivRoi GpivRoi;
109 
113 struct __GpivRoi {
114  float x_1;
115  float y_1;
116  float x_2;
117  float y_2;
118 };
119 
120 
121 typedef struct __GpivPostPar GpivPostPar;
122 
136  enum GpivOperationManipiv operator_manipiv;
140  gboolean set;
141  gboolean set__set;
143  float set_dx;
145  gboolean set_dx__set;
147  float set_dy;
149  gboolean set_dy__set;
153  gboolean block__set;
154 
155 /*
156  * Parameters for spatial average (s-avg)
157  */
158  int subtract;
159  gboolean subtract__set;
161  float z_off_dx;
162  gboolean z_off_dx__set;
164  float z_off_dy;
165  gboolean z_off_dy__set;
167 /*
168  * Parameters for vorticity and strain
169  */
170  enum GpivDifferentiation diff_type;
171  enum GpivOperation operator_vorstra;
176 /*
177  * Parameters for scaling PIV data. Other parameters for scaling are in
178  * __GpivImagePar.
179  */
180  enum GpivScaleType scale_type;
181  gboolean scale_type__set;
182 };
183 
184 
185 
186 
194 void
196  const gboolean flag
197  );
198 
199 
200 
208 void
209 gpiv_post_default_parameters (GpivPostPar *post_par_default,
210  const gboolean force
211  );
212 
213 
214 
224 GpivPostPar *
225 gpiv_post_get_parameters_from_resources (const gchar *localrc,
226  const gboolean verbose
227  );
228 
229 
238 void
239 gpiv_post_read_parameters (FILE *fp_par,
240  GpivPostPar *post_par,
241  const gboolean print_par
242  );
243 
244 
245 
257 gchar *
259  const GpivPostPar *post_par_default
260  );
261 
262 
263 
271 void
272 gpiv_post_print_parameters (FILE *fp_par_out,
273  const GpivPostPar *post_par
274  );
275 
276 
277 
284 GpivPostPar *
285 gpiv_post_fread_hdf5_parameters (const gchar *fname
286  );
287 
288 
289 
297 gchar *
298 gpiv_post_fwrite_hdf5_parameters (const gchar *fname,
299  const GpivPostPar *post_par
300  );
301 
302 
303 
304 #endif /* __LIBGPIV_POSTPAR_H_ */
void gpiv_post_default_parameters(GpivPostPar *post_par_default, const gboolean force)
Sets post-processing parameters to default values.
flip in y-direction
Definition: gpiv-post_par.h:64
Region Of Interest.
int diff_type__set
flag if diff_type has been defined
GpivPostPar * gpiv_post_get_parameters_from_resources(const gchar *localrc, const gboolean verbose)
Reads post-processing parameters from localrc, $HOME/.gpivrc and system-wide gpiv.conf.
adds specified displacement/velocity in x and y direction
Definition: gpiv-post_par.h:70
Richarchon differential.
Definition: gpiv-post_par.h:81
flip in x-direction
Definition: gpiv-post_par.h:63
returns fast running y-positions of data
Definition: gpiv-post_par.h:62
gboolean operator_manipiv__set
flag if operator_manipiv has been defined
void gpiv_post_print_parameters(FILE *fp_par_out, const GpivPostPar *post_par)
Prints parameters to fp_par_out.
Shear strain.
Definition: gpiv-post_par.h:92
GpivRoi * block
Define a rectangular block for enabling / disabling PIV data.
gboolean scale_type__set
flag if scale_type has been defined
gchar * gpiv_post_check_parameters_read(GpivPostPar *post_par, const GpivPostPar *post_par_default)
Checks if all post-processing parameters have been read.
GpivOperation
Type of derivative operation.
Definition: gpiv-post_par.h:90
float set_dy
value of disabled PIV data in vertical (row-wise) direction
reverts array indexes
Definition: gpiv-post_par.h:65
GpivDifferentiation
Differential type.
Definition: gpiv-post_par.h:78
float y_1
lowest y value
gboolean subtract__set
flag if subtract has been defined
float z_off_dx
offset value for horizontal PIV estimator
GpivOperationManipiv
Operator to transform (manipulate) PIV data.
Definition: gpiv-post_par.h:61
gchar * gpiv_post_fwrite_hdf5_parameters(const gchar *fname, const GpivPostPar *post_par)
Writes post parameters to an existing hdf5 data file.
void gpiv_post_parameters_set(GpivPostPar *post_par, const gboolean flag)
Sets flag for post_par __set.
gboolean set_dx__set
flag if set_dx has been defined
Circulation method.
Definition: gpiv-post_par.h:82
Vorticity.
Definition: gpiv-post_par.h:91
int subtract
data type to subtract from estimators NONE (0), mean (1) Zoff_dx and Zoff_dy (2)
gboolean operator_vorstra__set
flag if operator_vorstra has been defined
rotates over 90 degrees
Definition: gpiv-post_par.h:66
Least square.
Definition: gpiv-post_par.h:80
gboolean z_off_dy__set
flag if z_off_dy has been defined
filters out
Definition: gpiv-post_par.h:68
float x_2
highest x value
gboolean block__set
rotates over 180 degrees
Definition: gpiv-post_par.h:67
Normal strain.
Definition: gpiv-post_par.h:93
gboolean set_dy__set
flag if set_dy has been defined
void gpiv_post_read_parameters(FILE *fp_par, GpivPostPar *post_par, const gboolean print_par)
Reads all parameters for PIV data validation.
Parameters for post-processing PIV data.
gboolean set__set
flag if set has been defined
float set_dx
value of disabled PIV data in horizontal (column-wise) direction
float y_2
highest x value
Inverse scaling PIV data.
GpivScaleType
Variables for scaling PIV data.
GpivPostPar * gpiv_post_fread_hdf5_parameters(const gchar *fname)
Reads post parameters from hdf5 data file.
float x_1
lowest x value
Central differential.
Definition: gpiv-post_par.h:79
passes through
Definition: gpiv-post_par.h:69
Scaling PIV data.
gboolean z_off_dx__set
flag if z_off_dx has been defined
float z_off_dy
offset value for vertical PIV estimator

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