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partial doxygen classify/mfx.cpp

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Jim O'Regan 2015-07-20 14:08:52 +01:00
parent f85655b304
commit 4bbc7aa6d2
1 changed files with 45 additions and 55 deletions
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100
classify/mfx.cpp
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@ -15,9 +15,9 @@
** See the License for the specific language governing permissions and ** See the License for the specific language governing permissions and
** limitations under the License. ** limitations under the License.
******************************************************************************/ ******************************************************************************/
/**---------------------------------------------------------------------------- /*----------------------------------------------------------------------------
Include Files and Type Defines Include Files and Type Defines
----------------------------------------------------------------------------**/ ----------------------------------------------------------------------------*/
#include "mfdefs.h" #include "mfdefs.h"
#include "mfoutline.h" #include "mfoutline.h"
#include "clusttool.h" //NEEDED #include "clusttool.h" //NEEDED
@ -28,9 +28,9 @@
#include <math.h> #include <math.h>
/**---------------------------------------------------------------------------- /*----------------------------------------------------------------------------
Variables Variables
----------------------------------------------------------------------------**/ ----------------------------------------------------------------------------*/
/* old numbers corresponded to 10.0 degrees and 80.0 degrees */ /* old numbers corresponded to 10.0 degrees and 80.0 degrees */
double_VAR(classify_min_slope, 0.414213562, double_VAR(classify_min_slope, 0.414213562,
@ -38,9 +38,9 @@ double_VAR(classify_min_slope, 0.414213562,
double_VAR(classify_max_slope, 2.414213562, double_VAR(classify_max_slope, 2.414213562,
"Slope above which lines are called vertical"); "Slope above which lines are called vertical");
/**---------------------------------------------------------------------------- /*----------------------------------------------------------------------------
Macros Macros
----------------------------------------------------------------------------**/ ----------------------------------------------------------------------------*/
/* miscellaneous macros */ /* miscellaneous macros */
#define NormalizeAngle(A) ( (((A)<0)?((A)+2*PI):(A)) / (2*PI) ) #define NormalizeAngle(A) ( (((A)<0)?((A)+2*PI):(A)) / (2*PI) )
@ -54,25 +54,22 @@ MICROFEATURES ConvertToMicroFeatures(MFOUTLINE Outline,
MICROFEATURE ExtractMicroFeature(MFOUTLINE Start, MFOUTLINE End); MICROFEATURE ExtractMicroFeature(MFOUTLINE Start, MFOUTLINE End);
/**---------------------------------------------------------------------------- /*----------------------------------------------------------------------------
Public Code Public Code
----------------------------------------------------------------------------**/ ----------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/ /**
MICROFEATURES BlobMicroFeatures(TBLOB* Blob, const DENORM& cn_denorm) { * This routine extracts micro-features from the specified
/* * blob and returns a list of the micro-features. All
** Parameters: * micro-features are normalized according to the specified
** Blob blob to extract micro-features from * line statistics.
** denorm control parameter to feature extractor * @param Blob blob to extract micro-features from
** Operation: * @param cn_denorm control parameter to feature extractor
** This routine extracts micro-features from the specified * @return List of micro-features extracted from the blob.
** blob and returns a list of the micro-features. All * @note Exceptions: none
** micro-features are normalized according to the specified * @note History: 7/21/89, DSJ, Created.
** line statistics.
** Return: List of micro-features extracted from the blob.
** Exceptions: none
** History: 7/21/89, DSJ, Created.
*/ */
MICROFEATURES BlobMicroFeatures(TBLOB* Blob, const DENORM& cn_denorm) {
MICROFEATURES MicroFeatures = NIL_LIST; MICROFEATURES MicroFeatures = NIL_LIST;
LIST Outlines; LIST Outlines;
LIST RemainingOutlines; LIST RemainingOutlines;
@ -104,26 +101,23 @@ MICROFEATURES BlobMicroFeatures(TBLOB* Blob, const DENORM& cn_denorm) {
Private Code Private Code
---------------------------------------------------------------------------*/ ---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/ /**
FLOAT32 ComputeOrientation(MFEDGEPT *Start, MFEDGEPT *End) { * This routine computes the orientation parameter of the
/* * specified micro-feature. The orientation is the angle of
** Parameters: * the vector from Start to End. It is normalized to a number
** Start starting edge point of micro-feature * between 0 and 1 where 0 corresponds to 0 degrees and 1
** End ending edge point of micro-feature * corresponds to 360 degrees. The actual range is [0,1), i.e.
** Globals: none * 1 is excluded from the range (since it is actual the
** Operation: * same orientation as 0). This routine assumes that Start
** This routine computes the orientation parameter of the * and End are not the same point.
** specified micro-feature. The orientation is the angle of * @param Start starting edge point of micro-feature
** the vector from Start to End. It is normalized to a number * @param End ending edge point of micro-feature
** between 0 and 1 where 0 corresponds to 0 degrees and 1 * @note Globals: none
** corresponds to 360 degrees. The actual range is [0,1), i.e. * @return Orientation parameter for the specified micro-feature.
** 1 is excluded from the range (since it is actual the * @note Exceptions: none
** same orientation as 0). This routine assumes that Start * @note History: 7/27/89, DSJ, Created.
** and End are not the same point.
** Return: Orientation parameter for the specified micro-feature.
** Exceptions: none
** History: 7/27/89, DSJ, Created.
*/ */
FLOAT32 ComputeOrientation(MFEDGEPT *Start, MFEDGEPT *End) {
FLOAT32 Orientation; FLOAT32 Orientation;
Orientation = NormalizeAngle (AngleFrom (Start->Point, End->Point)); Orientation = NormalizeAngle (AngleFrom (Start->Point, End->Point));
@ -135,20 +129,17 @@ FLOAT32 ComputeOrientation(MFEDGEPT *Start, MFEDGEPT *End) {
} /* ComputeOrientation */ } /* ComputeOrientation */
/*---------------------------------------------------------------------------*/ /**
* Convert Outline to MicroFeatures
* @param Outline outline to extract micro-features from
* @param MicroFeatures list of micro-features to add to
* @return List of micro-features with new features added to front.
* @note Globals: none
* @note Exceptions: none
* @note History: 7/26/89, DSJ, Created.
*/
MICROFEATURES ConvertToMicroFeatures(MFOUTLINE Outline, MICROFEATURES ConvertToMicroFeatures(MFOUTLINE Outline,
MICROFEATURES MicroFeatures) { MICROFEATURES MicroFeatures) {
/*
** Parameters:
** Outline outline to extract micro-features from
** MicroFeatures list of micro-features to add to
** Globals: none
** Operation:
** This routine
** Return: List of micro-features with new features added to front.
** Exceptions: none
** History: 7/26/89, DSJ, Created.
*/
MFOUTLINE Current; MFOUTLINE Current;
MFOUTLINE Last; MFOUTLINE Last;
MFOUTLINE First; MFOUTLINE First;
@ -174,8 +165,6 @@ MICROFEATURES ConvertToMicroFeatures(MFOUTLINE Outline,
} /* ConvertToMicroFeatures */ } /* ConvertToMicroFeatures */
/*---------------------------------------------------------------------------*/
MICROFEATURE ExtractMicroFeature(MFOUTLINE Start, MFOUTLINE End) {
/* /*
** Parameters: ** Parameters:
** Start starting point of micro-feature ** Start starting point of micro-feature
@ -194,6 +183,7 @@ MICROFEATURE ExtractMicroFeature(MFOUTLINE Start, MFOUTLINE End) {
** History: 7/26/89, DSJ, Created. ** History: 7/26/89, DSJ, Created.
** 11/17/89, DSJ, Added handling for Start and End same point. ** 11/17/89, DSJ, Added handling for Start and End same point.
*/ */
MICROFEATURE ExtractMicroFeature(MFOUTLINE Start, MFOUTLINE End) {
MICROFEATURE NewFeature; MICROFEATURE NewFeature;
MFEDGEPT *P1, *P2; MFEDGEPT *P1, *P2;