OSSIM - Open Source Software Image Map  Version 1.9.0 (20180803)
Classes | Public Member Functions | Protected Member Functions | List of all members
ossimClosestToCenterCombiner Class Reference

This implements a closest to center combiner. More...

#include <ossimClosestToCenterCombiner.h>

Inheritance diagram for ossimClosestToCenterCombiner:
ossimImageMosaic ossimImageCombiner ossimImageSource ossimConnectableObjectListener ossimSource ossimListener ossimConnectableObject ossimErrorStatusInterface ossimObject ossimListenerManager ossimPropertyInterface ossimReferenced

Classes

class  ossimClosestToCenterCombinerInfo
 

Public Member Functions

 ossimClosestToCenterCombiner ()
 
virtual ossimRefPtr< ossimImageDatagetTile (const ossimIrect &rect, ossim_uint32 resLevel=0)
 Executes the ossimClosestToCenterCombiner algorithm. More...
 
- Public Member Functions inherited from ossimImageMosaic
 ossimImageMosaic ()
 
 ossimImageMosaic (ossimConnectableObject::ConnectableObjectList &inputSources)
 
virtual void initialize ()
 
virtual bool saveState (ossimKeywordlist &kwl, const char *prefix=0) const
 Method to save the state of an object to a keyword list. More...
 
virtual bool loadState (const ossimKeywordlist &kwl, const char *prefix=0)
 Method to the load (recreate) the state of an object from a keyword list. More...
 
- Public Member Functions inherited from ossimImageCombiner
 ossimImageCombiner ()
 
 ossimImageCombiner (ossimObject *owner, int numberOfInputs, int numberOfOutputs, bool inputListIsFixedFlag, bool outputListIsFixedFlag)
 
 ossimImageCombiner (ossimConnectableObject::ConnectableObjectList &inputSources)
 
virtual ossimIrect getBoundingRect (ossim_uint32 resLevel=0) const
 This will return the bounding rect of the source. More...
 
virtual void updateRects ()
 This will go through and precompute the bounding rects of each input image. More...
 
virtual ossim_uint32 getNumberOfInputBands () const
 Returns the number of bands available from the input. More...
 
virtual ossimScalarType getOutputScalarType () const
 This will be used to query the output pixel type of the tile source. More...
 
virtual ossim_uint32 getTileWidth () const
 Returns the default processing tile width. More...
 
virtual ossim_uint32 getTileHeight () const
 Returns the default processing tile height. More...
 
virtual double getNullPixelValue (ossim_uint32 band=0) const
 Each band has a null pixel associated with it. More...
 
virtual double getMinPixelValue (ossim_uint32 band=0) const
 Returns the min pixel of the band. More...
 
virtual double getMaxPixelValue (ossim_uint32 band=0) const
 Returns the max pixel of the band. More...
 
virtual ossim_uint32 getNumberOfOverlappingImages (const ossimIrect &rect, ossim_uint32 resLevel=0) const
 Used to retrieve the number of overlapping images withint the given rect. More...
 
virtual void getOverlappingImages (std::vector< ossim_uint32 > &result, const ossimIrect &rect, ossim_uint32 resLevel=0) const
 Used to populate the result with the index of the overlapping images. More...
 
virtual ossimRefPtr< ossimImageDatagetNextTile (ossim_uint32 &returnedIdx, const ossim_uint32 startIdx, const ossimIrect &tileRect, ossim_uint32 resLevel=0)
 
virtual ossimRefPtr< ossimImageDatagetNextTile (ossim_uint32 &returnedIdx, const ossimIrect &tileRect, ossim_uint32 resLevel=0)
 
virtual bool getNextTile (ossim_uint32 &returnedIdx, const ossim_uint32 startIdx, ossimImageData *tile, ossim_uint32 resLevel=0)
 
virtual ossimRefPtr< ossimImageDatagetNextNormTile (ossim_uint32 &returnedIdx, const ossim_uint32 index, const ossimIrect &tileRect, ossim_uint32 resLevel=0)
 
virtual ossimRefPtr< ossimImageDatagetNextNormTile (ossim_uint32 &returnedIdx, const ossimIrect &tileRect, ossim_uint32 resLevel=0)
 
virtual bool canConnectMyInputTo (ossim_int32 inputIndex, const ossimConnectableObject *object) const
 required to be overriden by derived classes More...
 
virtual void connectInputEvent (ossimConnectionEvent &event)
 
virtual void disconnectInputEvent (ossimConnectionEvent &event)
 
virtual void propertyEvent (ossimPropertyEvent &event)
 
virtual void refreshEvent (ossimRefreshEvent &event)
 
virtual bool hasDifferentInputs () const
 
- Public Member Functions inherited from ossimImageSource
 ossimImageSource (ossimObject *owner=0)
 
 ossimImageSource (ossimObject *owner, ossim_uint32 inputListSize, ossim_uint32 outputListSize, bool inputListIsFixedFlag=true, bool outputListIsFixedFlag=true)
 
virtual ~ossimImageSource ()
 
virtual ossimRefPtr< ossimImageDatagetTile (const ossimIpt &origin, ossim_uint32 resLevel=0)
 
virtual bool getTile (ossimImageData *result, ossim_uint32 resLevel=0)
 Method to get a tile. More...
 
virtual ossimObjectgetObject ()
 For RTTI support. More...
 
virtual const ossimObjectgetObject () const
 For RTTI support. More...
 
virtual void getDecimationFactor (ossim_uint32 resLevel, ossimDpt &result) const
 Will return the decimation factor for the given resolution level. More...
 
virtual void getDecimationFactors (std::vector< ossimDpt > &decimations) const
 Will return an array of all decimations for each resolution level. More...
 
virtual ossim_uint32 getNumberOfDecimationLevels () const
 Will return the number of resolution levels. More...
 
virtual ossim_uint32 getNumberOfOutputBands () const
 Returns the number of bands in a tile returned from this TileSource. More...
 
virtual void getOutputBandList (std::vector< ossim_uint32 > &bandList) const
 Initializes bandList. More...
 
virtual void getBoundingRect (ossimIrect &rect, ossim_uint32 resLevel=0) const
 Gets the bounding rectangle of the source. More...
 
virtual void getValidImageVertices (std::vector< ossimIpt > &validVertices, ossimVertexOrdering ordering=OSSIM_CLOCKWISE_ORDER, ossim_uint32 resLevel=0) const
 ordering specifies how the vertices should be arranged. More...
 
virtual ossimRefPtr< ossimImageGeometrygetImageGeometry ()
 Returns the image geometry object associated with this tile source or NULL if not defined. More...
 
virtual void setImageGeometry (const ossimImageGeometry *geom)
 Default implementation sets geometry of the first input to the geometry specified. More...
 
virtual void saveImageGeometry () const
 Default method to call input's saveImageGeometry. More...
 
virtual void saveImageGeometry (const ossimFilename &geometry_file) const
 Default method to call input's saveImageGeometry. More...
 
virtual ossimRefPtr< ossimPropertygetProperty (const ossimString &name) const
 
virtual void setProperty (ossimRefPtr< ossimProperty > property)
 
virtual void getPropertyNames (std::vector< ossimString > &propertyNames) const
 
virtual bool isIndexedData () const
 
- Public Member Functions inherited from ossimSource
 ossimSource (ossimObject *owner=0)
 
 ossimSource (ossimObject *owner, ossim_uint32 inputListSize, ossim_uint32 outputListSize, bool inputListIsFixedFlag=true, bool outputListIsFixedFlag=true)
 
virtual ~ossimSource ()
 
virtual bool isSourceEnabled () const
 
virtual void enableSource ()
 
virtual void disableSource ()
 
virtual bool getEnableFlag () const
 
virtual void setEnableFlag (bool flag)
 
virtual bool isInitialized () const
 
virtual void setInitializedFlag (bool flag)
 
virtual std::ostream & print (std::ostream &out) const
 Outputs theErrorStatus as an ossimErrorCode and an ossimString. More...
 
- Public Member Functions inherited from ossimConnectableObject
 ossimConnectableObject (ossimObject *owner=0)
 Base constructor of this object. More...
 
 ossimConnectableObject (ossimObject *owner, ossim_int32 inputListSize, ossim_int32 outputListSize, bool inputListIsFixedFlag=true, bool outputListIsFixedFlag=true)
 
virtual ~ossimConnectableObject ()
 
void setId (const ossimId &id)
 All connectable objects will have id's. More...
 
const ossimIdgetId () const
 Will allow us to get this object's id. More...
 
const ossimObjectgetOwner () const
 Fetches the current owner, most likely a container but not limited to one. More...
 
virtual void changeOwner (ossimObject *owner)
 Permits changing the object's owner. More...
 
virtual void setDescription (const ossimString &description)
 
virtual ossimString getDescription () const
 
virtual bool isConnected (ossimConnectableObjectDirectionType direction=CONNECTABLE_DIRECTION_INPUT) const
 will check the direction specified to see if all slots are full. More...
 
 OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findConnectableObject(const ossimId &id))
 
 OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findObjectOfType(RTTItypeid typeId, ossimConnectableObjectDirectionType directionType, bool recurse=true))
 
 OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findObjectOfType(const ossimString &obj, ossimConnectableObjectDirectionType directionType, bool recurse=true))
 
 OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findInputObjectOfType(const ossimString &className))
 
virtual ossim_int32 findInputIndex (const ossimConnectableObject *object)
 Return a valid index of the input list if the passed in object is found else return -1. More...
 
virtual ossim_int32 findInputIndex (const ossimId &id)
 Return a valid index of the input list if the passed id is found else return -1. More...
 
virtual ossim_int32 findOutputIndex (const ossimConnectableObject *object)
 Return a valid index of the output list if the passed in object is found else return -1. More...
 
virtual ossim_int32 findOutputIndex (const ossimId &id)
 Return a valid index of the output list if the passed in object is found else return -1. More...
 
virtual ossim_int32 getMyInputIndexToConnectTo (ossimConnectableObject *object) const
 Should return the first available index to connect to. More...
 
virtual ossim_int32 getMyOutputIndexToConnectTo (ossimConnectableObject *object) const
 Should return the first available index to connect to. More...
 
virtual bool canConnectMyOutputTo (ossim_int32 myOutputIndex, const ossimConnectableObject *object) const
 default implementation is to allow anyone to connect to us. More...
 
virtual void disconnect (ossimConnectableObject *object=0)
 Will disconnect the object passed in. More...
 
virtual void disconnect (const ossimId &id)
 Will disconnect the object passed in. More...
 
virtual ossimRefPtr< ossimConnectableObjectdisconnectMyInput (ossim_int32 inputIndex, bool disconnectOutputFlag=true, bool createEventFlag=true)
 Will disconnect the object at the given input index and generate a connection event. More...
 
virtual void disconnectMyInput (ossimConnectableObject *input, bool disconnectOutputFlag=true, bool createEventFlag=true)
 Finds the index of the passed in input and calls disconnectMyInput(inputIndex, disconnectOutputFlag, createEventFlag);. More...
 
virtual void disconnectMyInputs (ConnectableObjectList &inputList, bool disconnectOutputFlag=true, bool createEventFlag=true)
 
virtual ossimRefPtr< ossimConnectableObjectdisconnectMyOutput (ossim_int32 outputIndex, bool disconnectInputFlag=true, bool createEventFlag=true)
 Will disconnect the object at the given output index and generate a connection event. More...
 
virtual void disconnectMyOutput (ossimConnectableObject *output, bool disconnectInputFlag=true, bool createEventFlag=true)
 Will disconnect the output object. More...
 
virtual void disconnectMyOutputs (ConnectableObjectList &outputList, bool disconnectOutputFlag=true, bool createEventFlag=true)
 
virtual void disconnectAllInputs ()
 Will disconnect all of the input objects. More...
 
virtual void disconnectAllOutputs ()
 Will disconnect all of the output objects. More...
 
virtual ossim_int32 connectMyInputTo (ossimConnectableObject *inputObject, bool makeOutputConnection=true, bool createEventFlag=true)
 Will try to connect this objects input to the passed in object. More...
 
virtual ossim_int32 connectMyInputTo (ossim_int32 inputIndex, ossimConnectableObject *inputObject, bool makeOutputConnection=true, bool createEventFlag=true)
 Will connect the specified input to the passed in object. More...
 
virtual bool connectMyInputTo (ConnectableObjectList &inputList, bool makeOutputConnection=true, bool createEventFlag=true)
 
virtual ossim_int32 connectMyOutputTo (ossimConnectableObject *outputObject, bool makeInputConnection=true, bool createEventFlag=true)
 Will try to connect this objects output to the passed in object. More...
 
virtual bool connectMyOutputTo (ConnectableObjectList &outputList, bool makeInputConnection=true, bool createEventFlag=true)
 
virtual bool connectInputList (ConnectableObjectList &inputList)
 Will disconnect itself from all inputs and reset to the passed in input list. More...
 
virtual bool connectOutputList (ConnectableObjectList &outputList)
 Will disconnect itself from all outputs and reset to the passed in output list. More...
 
virtual ossim_uint32 getNumberOfInputs () const
 Returns the number of input objects. More...
 
virtual ossim_uint32 getNumberOfOutputs () const
 Return the number of output objects. More...
 
ossimConnectableObjectgetInput (ossim_uint32 index=0)
 returns the object at the specified index. More...
 
const ossimConnectableObjectgetInput (ossim_uint32 index=0) const
 returns the object at the specified index. More...
 
ossimConnectableObjectgetOutput (ossim_uint32 index=0)
 returns the object at the specified index. More...
 
const ossimConnectableObjectgetOutput (ossim_uint32 index=0) const
 returns the object at the specified index. More...
 
virtual void setNumberOfInputs (ossim_int32 numberOfInputs)
 Will set the number of inputs. More...
 
virtual bool getInputListIsFixedFlag () const
 
virtual bool getOutputListIsFixedFlag () const
 
virtual void setNumberOfOutputs (ossim_int32 numberOfInputs)
 Will set the number of outputs. More...
 
const ConnectableObjectListgetInputList () const
 
const ConnectableObjectListgetOutputList () const
 
ConnectableObjectListgetInputList ()
 
ConnectableObjectListgetOutputList ()
 
 OSSIM_DEPRECATE_METHOD (virtual void findAllObjectsOfType(ConnectableObjectList &result, const RTTItypeid &typeInfo, bool recurse=true))
 
 OSSIM_DEPRECATE_METHOD (virtual void findAllObjectsOfType(ConnectableObjectList &result, const ossimString &className, bool recurse=true))
 
virtual void propagateEventToOutputs (ossimEvent &event)
 
virtual void propagateEventToInputs (ossimEvent &event)
 
virtual void setProperty (const ossimString &name, const ossimString &value)
 
virtual ossim_uint32 saveStateOfAllInputs (ossimKeywordlist &kwl, bool saveThisStateFlag=true, ossim_uint32 objectIndex=1, const char *prefix=0) const
 Save the state of all inputs to a keyword list. More...
 
virtual bool fillContainer (ossimConnectableContainer &container)
 Inserts this object and all of its children and inputs into the container provided. More...
 
bool moveInputUp (const ossimId &id)
 Moves the input connection matching id up one in the connection list. More...
 
bool moveInputDown (const ossimId &id)
 Moves the input connection matching id down one in the connection list. More...
 
bool moveInputToTop (const ossimId &id)
 Moves the input connection matching id to the top of the connection list. More...
 
bool moveInputToBottom (const ossimId &id)
 Moves the input connection matching id to the bottom of the connection list. More...
 
virtual void accept (ossimVisitor &visitor)
 We will add a visitor interface for all connectable objects. More...
 
- Public Member Functions inherited from ossimObject
 ossimObject ()
 
virtual ~ossimObject ()
 
virtual ossimObjectdup () const
 
virtual ossimString getShortName () const
 
virtual ossimString getLongName () const
 
virtual ossimString getClassName () const
 
virtual RTTItypeid getType () const
 
virtual bool canCastTo (ossimObject *obj) const
 
virtual bool canCastTo (const RTTItypeid &id) const
 
virtual bool canCastTo (const ossimString &parentClassName) const
 
virtual bool isEqualTo (const ossimObject &obj, ossimCompareType compareType=OSSIM_COMPARE_FULL) const
 
- Public Member Functions inherited from ossimReferenced
 ossimReferenced ()
 
 ossimReferenced (const ossimReferenced &)
 
ossimReferencedoperator= (const ossimReferenced &)
 
void ref () const
 increment the reference count by one, indicating that this object has another pointer which is referencing it. More...
 
void unref () const
 decrement the reference count by one, indicating that a pointer to this object is referencing it. More...
 
void unref_nodelete () const
 decrement the reference count by one, indicating that a pointer to this object is referencing it. More...
 
int referenceCount () const
 
- Public Member Functions inherited from ossimListenerManager
 ossimListenerManager ()
 
virtual ~ossimListenerManager ()
 
virtual void fireEvent (ossimEvent &event)
 
virtual bool addListener (ossimListener *listener)
 
virtual bool removeListener (ossimListener *listener)
 
virtual bool findListener (ossimListener *listener)
 
- Public Member Functions inherited from ossimPropertyInterface
 ossimPropertyInterface ()
 
virtual ~ossimPropertyInterface ()
 
virtual ossimString getPropertyValueAsString (const ossimString &name) const
 
void getPropertyList (std::vector< ossimRefPtr< ossimProperty > > &propertyList) const
 
void setProperties (std::vector< ossimRefPtr< ossimProperty > > &propertyList)
 
- Public Member Functions inherited from ossimErrorStatusInterface
 ossimErrorStatusInterface ()
 
virtual ~ossimErrorStatusInterface ()
 
virtual ossimErrorCode getErrorStatus () const
 
virtual ossimString getErrorStatusString () const
 
virtual void setErrorStatus (ossimErrorCode error_status) const
 
virtual void setErrorStatus () const
 
virtual void clearErrorStatus () const
 
bool hasError () const
 
- Public Member Functions inherited from ossimConnectableObjectListener
 ossimConnectableObjectListener ()
 
virtual ~ossimConnectableObjectListener ()
 
virtual void processEvent (ossimEvent &event)
 ProcessEvent. More...
 
virtual void objectDestructingEvent (ossimObjectDestructingEvent &)
 
virtual void connectionEvent (ossimConnectionEvent &)
 
virtual void disconnectOutputEvent (ossimConnectionEvent &)
 
virtual void connectOutputEvent (ossimConnectionEvent &)
 
virtual void addObjectEvent (ossimContainerEvent &)
 
virtual void removeObjectEvent (ossimContainerEvent &)
 
virtual void containerEvent (ossimContainerEvent &)
 
- Public Member Functions inherited from ossimListener
 ossimListener ()
 
virtual ~ossimListener ()
 
void enableListener ()
 
void disableListener ()
 
void setListenerEnableFlag (bool flag)
 
bool isListenerEnabled () const
 
bool getListenerEnableFlag () const
 

Protected Member Functions

ossim_int32 findIdx (const std::vector< ossimClosestToCenterCombinerInfo > &normTileList, const ossimIpt &pt, ossim_uint32 offset) const
 
- Protected Member Functions inherited from ossimImageMosaic
virtual ~ossimImageMosaic ()
 
void allocate ()
 Called on first getTile, will initialize all data needed. More...
 
template<class T >
ossimRefPtr< ossimImageDatacombine (T, const ossimIrect &tileRect, ossim_uint32 resLevel=0)
 
template<class T >
ossimRefPtr< ossimImageDatacombineNorm (T, const ossimIrect &tileRect, ossim_uint32 resLevel=0)
 
- Protected Member Functions inherited from ossimImageCombiner
virtual ~ossimImageCombiner ()
 
void precomputeBounds () const
 
- Protected Member Functions inherited from ossimImageSource
 ossimImageSource (const ossimImageSource &rhs)
 
const ossimImageSourceoperator= (const ossimImageSource &)
 
- Protected Member Functions inherited from ossimSource
 ossimSource (const ossimSource &rhs)
 
const ossimSourceoperator= (const ossimSource &rhs)
 
- Protected Member Functions inherited from ossimConnectableObject
ossimConnectableObjectfindObjectOfType (ConnectableObjectList *connectableList, ossimVisitor &visitor)
 
- Protected Member Functions inherited from ossimReferenced
virtual ~ossimReferenced ()
 
- Protected Member Functions inherited from ossimListenerManager
 ossimListenerManager (const ossimListenerManager &rhs)
 

Additional Inherited Members

- Public Types inherited from ossimConnectableObject
enum  ossimConnectableObjectDirectionType { CONNECTABLE_DIRECTION_NONE = 0, CONNECTABLE_DIRECTION_INPUT = 1, CONNECTABLE_DIRECTION_OUTPUT = 2 }
 
typedef std::vector< ossimRefPtr< ossimConnectableObject > > ConnectableObjectList
 
- Protected Attributes inherited from ossimImageMosaic
ossimRefPtr< ossimImageDatatheTile
 
- Protected Attributes inherited from ossimImageCombiner
ossim_uint32 theLargestNumberOfInputBands
 
ossim_uint32 theInputToPassThrough
 
bool theHasDifferentInputs
 
ossimRefPtr< ossimImageDatatheNormTile
 
std::vector< ossimIrecttheFullResBounds
 
bool theComputeFullResBoundsFlag
 
ossim_uint32 theCurrentIndex
 
- Protected Attributes inherited from ossimSource
bool theEnableFlag
 
bool theInitializedFlag
 
- Protected Attributes inherited from ossimConnectableObject
ossimId theId
 
ossimString theDescription
 
ossimObjecttheOwner
 
bool theInputListIsFixedFlag
 Indicates whether the theInputObjectList is fixed. More...
 
bool theOutputListIsFixedFlag
 Indicates whether the theOutputObjectList is fixed. More...
 
ConnectableObjectList theInputObjectList
 Holds a list of input objects. More...
 
ConnectableObjectList theOutputObjectList
 Holds a list of output objects. More...
 
- Protected Attributes inherited from ossimListenerManager
std::list< ossimListener * > theListenerList
 
bool theEnabledFlag
 
std::list< ossimListener * > theDelayedAdd
 
std::list< ossimListener * > theDelayedRemove
 
bool theFireEventFlag
 
- Protected Attributes inherited from ossimErrorStatusInterface
ossimErrorCode theErrorStatus
 
- Protected Attributes inherited from ossimListener
bool theListenerEnableFlag
 

Detailed Description

This implements a closest to center combiner.

It will first grab all images overlapping a given rectangle query. The first non-null closest pixel to the center of the image is used. This basically uses only pixels along the "sweet" spot of the image. This combiner is typically used when there is overlapping sensor data.

Definition at line 25 of file ossimClosestToCenterCombiner.h.

Constructor & Destructor Documentation

◆ ossimClosestToCenterCombiner()

ossimClosestToCenterCombiner::ossimClosestToCenterCombiner ( )

Definition at line 17 of file ossimClosestToCenterCombiner.cpp.

19 {
20 }

Member Function Documentation

◆ findIdx()

ossim_int32 ossimClosestToCenterCombiner::findIdx ( const std::vector< ossimClosestToCenterCombinerInfo > &  normTileList,
const ossimIpt pt,
ossim_uint32  offset 
) const
protected

Definition at line 114 of file ossimClosestToCenterCombiner.cpp.

References distance(), ossimDataObject::getDataObjectStatus(), ossimImageData::isNull(), ossimIrect::midPoint(), OSSIM_FULL, ossimImageCombiner::theFullResBounds, and ossimImageMosaic::theTile.

Referenced by getTile().

116 {
117  ossim_float32 distance = 1000000;
118  ossim_int32 returnIdx = -1;
119  ossim_float32 tempDistance;
120  ossim_int32 idx = 0;
121  ossim_int32 maxIdx = (ossim_int32)normTileList.size();
122  ossimIpt midPt;
123  ossimIrect rect;
124  for(idx = 0; idx < maxIdx; ++ idx)
125  {
126  rect = theFullResBounds[ normTileList[idx].theIndex ];
127  midPt = rect.midPoint();
128 
129  tempDistance = (pt-midPt).length();
130  if(tempDistance < distance)
131  {
132  if(normTileList[idx].theTile->getDataObjectStatus() == OSSIM_FULL)
133  {
134  distance = tempDistance;
135  returnIdx = idx;
136  }
137  else if(!normTileList[idx].theTile->isNull(offset))
138  {
139  distance = tempDistance;
140  returnIdx = idx;
141  }
142  }
143  }
144 
145  return returnIdx;
146 }
ossimRefPtr< ossimImageData > theTile
float ossim_float32
virtual ossimDataObjectStatus getDataObjectStatus() const
bool isNull(ossim_uint32 offset) const
ossimIpt midPoint() const
Definition: ossimIrect.h:750
std::vector< ossimIrect > theFullResBounds
float distance(double lat1, double lon1, double lat2, double lon2, int units)
int ossim_int32

◆ getTile()

ossimRefPtr< ossimImageData > ossimClosestToCenterCombiner::getTile ( const ossimIrect rect,
ossim_uint32  resLevel = 0 
)
virtual

Executes the ossimClosestToCenterCombiner algorithm.

sets the pixels to the closest Valid value. This simulates a sweet spot cutter.

Parameters
rectThe region of interest.
resLevel.For this combiner this is assumed to always be 0

Reimplemented from ossimImageMosaic.

Definition at line 22 of file ossimClosestToCenterCombiner.cpp.

References ossimImageMosaic::allocate(), ossimImageData::copyNormalizedBufferToTile(), ossimImageDataFactory::create(), ossimImageData::dup(), findIdx(), ossimImageData::getBuf(), ossimImageCombiner::getNextNormTile(), ossimImageData::getNumberOfBands(), ossimImageSource::getNumberOfOutputBands(), ossimImageMosaic::getTile(), ossimIrect::height(), ossimImageData::initialize(), ossimImageDataFactory::instance(), ossimSource::isSourceEnabled(), ossimImageData::makeBlank(), ossim::min(), OSSIM_NORMALIZED_FLOAT, ossimImageData::setImageRectangle(), ossimImageData::setImageRectangleAndBands(), ossimImageMosaic::theTile, ossimIrect::ul(), ossimRefPtr< T >::valid(), ossimImageData::validate(), ossimIrect::width(), ossimIpt::x, and ossimIpt::y.

24 {
25  ossim_uint32 layerIdx = 0;
26  if(!isSourceEnabled())
27  {
28  return ossimImageMosaic::getTile(rect, resLevel);
29  }
30  if(!theTile.valid())
31  {
32  allocate();
33  if(!theTile.valid())
34  {
35  return 0;
36  }
37  }
39  theTile->makeBlank();
40  std::vector<ossimClosestToCenterCombinerInfo > normTileList;
41  ossimRefPtr<ossimImageData> currentTile = getNextNormTile(layerIdx, 0, rect);
42  while(currentTile.valid())
43  {
44  normTileList.push_back(ossimClosestToCenterCombinerInfo((ossimImageData*)currentTile->dup(),
45  layerIdx));
46  currentTile = getNextNormTile(layerIdx, rect, resLevel);
47  }
48 
49 
50  if(normTileList.size() == 1)
51  {
53  }
54  else if(normTileList.size() > 1)
55  {
58  copyTile->setImageRectangleAndBands(rect,
60  copyTile->initialize();
61 
62  ossim_int32 idx = 0;
63  ossim_uint32 w = rect.width();
64  ossim_uint32 h = rect.height();
65  ossim_uint32 idxW = 0;
66  ossim_uint32 idxH = 0;
67  ossimIpt origin = rect.ul();
68  ossimIpt ulPt = rect.ul();
69  ossim_uint32 band = 0;
70  ossim_uint32 bands = copyTile->getNumberOfBands();
71  ossim_uint32 srcBandIdx = 0;
72  std::vector<ossim_float32*> bandList(bands);
73 
74  for(band = 0; band < bands; ++band)
75  {
76  bandList[band] = (ossim_float32*)copyTile->getBuf(band);
77  }
78  ossim_uint32 offset = 0;
79  origin.y = ulPt.y;
80  for(idxH = 0; idxH < h; ++idxH)
81  {
82  origin.x = ulPt.x;
83  for(idxW = 0; idxW < w;++idxW)
84  {
85  idx = findIdx(normTileList, origin, offset);
86 
87  if(idx >=0)
88  {
89  ossim_uint32 tileBands = normTileList[idx].theTile->getNumberOfBands();
90  if (tileBands > 0)
91  {
92  tileBands -= 1;
93  for(band = 0; band < bands; ++band)
94  {
95  srcBandIdx = ossim::min( tileBands, band );
96  bandList[band][offset] = *(((ossim_float32*)normTileList[idx].theTile->getBuf(srcBandIdx))+offset);
97  }
98  }
99  }
100  ++offset;
101  ++origin.x;
102  }
103  ++origin.y;
104  }
106  }
107 
108  theTile->validate();
109 
110  return theTile;
111 
112 }
virtual bool isSourceEnabled() const
Definition: ossimSource.cpp:79
ossimRefPtr< ossimImageData > theTile
virtual ossim_uint32 getNumberOfBands() const
virtual void setImageRectangle(const ossimIrect &rect)
ossim_int32 findIdx(const std::vector< ossimClosestToCenterCombinerInfo > &normTileList, const ossimIpt &pt, ossim_uint32 offset) const
virtual ossim_uint32 getNumberOfOutputBands() const
Returns the number of bands in a tile returned from this TileSource.
bool valid() const
Definition: ossimRefPtr.h:75
float ossim_float32
virtual ossimRefPtr< ossimImageData > getNextNormTile(ossim_uint32 &returnedIdx, const ossim_uint32 index, const ossimIrect &tileRect, ossim_uint32 resLevel=0)
ossim_uint32 height() const
Definition: ossimIrect.h:487
const ossimIpt & ul() const
Definition: ossimIrect.h:274
virtual ossimRefPtr< ossimImageData > getTile(const ossimIrect &origin, ossim_uint32 resLevel=0)
virtual void initialize()
Initialize the data buffer.
virtual ossimObject * dup() const
void allocate()
Called on first getTile, will initialize all data needed.
static ossimImageDataFactory * instance()
virtual ossimDataObjectStatus validate() const
virtual void setImageRectangleAndBands(const ossimIrect &rect, ossim_uint32 numberOfBands)
unsigned int ossim_uint32
32 bit normalized floating point
virtual void copyNormalizedBufferToTile(ossim_float64 *buf)
Copies buf passed in to tile.
T min(T a, T b)
Definition: ossimCommon.h:203
virtual ossimRefPtr< ossimImageData > create(ossimSource *owner, ossimScalarType scalar, ossim_uint32 bands=1) const
ossim_uint32 width() const
Definition: ossimIrect.h:500
virtual void makeBlank()
Initializes data to null pixel values.
ossim_int32 y
Definition: ossimIpt.h:142
virtual const void * getBuf() const
ossim_int32 x
Definition: ossimIpt.h:141
int ossim_int32

The documentation for this class was generated from the following files: