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