ossimImageDataHelper Class Reference

#include <ossimImageDataHelper.h>

Public Member Functions
	ossimImageDataHelper (ossimImageData *imageData=0)
void	setImageData (ossimImageData *imageData)
void	fill (const double *values, const ossimIrect &rect, bool clipPoly=true)
void	fill (const double *values, std::vector< ossimPolygon > &regionList, bool clipPoly=true)
void	fill (const ossimRgbVector &color, std::vector< ossimPolygon > &regionList, bool clipPoly=true)
void	fill (const ossimRgbVector &color, const ossimIrect &rect, bool clipPoly=true)
void	fill (const double *values, const ossimPolygon &region, bool clipPoly=true)
void	fill (const ossimRgbVector &color, const ossimPolygon &region, bool clipPoly=true)
void	copyInputToThis (const void *input, const ossimPolygon &region, bool clipPoly=true)

Public Attributes
ossimImageData *	theImageData

Protected Member Functions
template<class T >
void	fill (T dummyVariable, const double *values, const ossimPolygon &region, bool clipPoly)
template<class T >
void	fill (T dummyVariable, const double *values, const ossimIrect &region, bool clipPoly)
template<class T >
void	copyInputToThis (const T *inputBuf, const ossimPolygon &region, bool clipPoly)
template<class T >
void	fill (T dummyVariable, const double *values, const ossimPolygon &region)
template<class T >
void	fill (T dummyVariable, const double *values, const ossimIrect &region)
template<class T >
void	copyInputToThis (const T *inputBuf, const ossimPolygon &region)

Protected Attributes
ossimIpt	theOrigin
ossimIrect	theImageRectangle
ossimPolyArea2d	thePolyImageRectangle

Detailed Description

Definition at line 17 of file ossimImageDataHelper.h.

Constructor & Destructor Documentation

ossimImageDataHelper()

ossimImageDataHelper::ossimImageDataHelper

(

ossimImageData *

imageData = 0

)

This must be a valid image data object

Definition at line 18 of file ossimImageDataHelper.cpp.

References setImageData().

{
   setImageData(imageData);
}

Member Function Documentation

copyInputToThis() [1/3]

void ossimImageDataHelper::copyInputToThis	(	const void *	input,
		const ossimPolygon &	region,
		bool	clipPoly = true
	)

The input is assumed to have the same origin, size and scalar as this object. This will implement a selection

Definition at line 39 of file ossimImageDataHelper.cpp.

References ossimRectilinearDataObject::getScalarType(), OSSIM_DOUBLE, OSSIM_FLOAT, OSSIM_NORMALIZED_DOUBLE, OSSIM_NORMALIZED_FLOAT, OSSIM_SCALAR_UNKNOWN, OSSIM_SINT32, OSSIM_SSHORT16, OSSIM_UCHAR, OSSIM_USHORT11, OSSIM_USHORT12, OSSIM_USHORT13, OSSIM_USHORT14, OSSIM_USHORT15, OSSIM_USHORT16, and theImageData.

Referenced by copyInputToThis(), and ossimPolyCutter::getTile().

{
   if(!theImageData) return;
   switch(theImageData->getScalarType())
   {
      case OSSIM_UCHAR:
      {
         copyInputToThis(reinterpret_cast<const ossim_uint8*>(input),
                         region,
                         clipPoly);
         break;
      }
      case OSSIM_USHORT16:
      case OSSIM_USHORT11:
      case OSSIM_USHORT12:
      case OSSIM_USHORT13:
      case OSSIM_USHORT14:
      case OSSIM_USHORT15:
      {
         copyInputToThis(reinterpret_cast<const ossim_uint16*>(input),
                         region,
                         clipPoly);
         break;
      }
      case OSSIM_SSHORT16:
      {
         copyInputToThis(reinterpret_cast<const ossim_sint16*>(input),
                         region,
                         clipPoly);
         break;
      }
      case OSSIM_SINT32:
      {
          copyInputToThis(reinterpret_cast<const ossim_sint32*>(input),
                          region,
                          clipPoly);
          break;
      }
      case OSSIM_FLOAT:
      case OSSIM_NORMALIZED_FLOAT:
      {
         copyInputToThis(reinterpret_cast<const float*>(input),
                         region,
                         clipPoly);
         break;
      }
      case OSSIM_DOUBLE:
      case OSSIM_NORMALIZED_DOUBLE:
      {
         copyInputToThis(reinterpret_cast<const double*>(input),
                         region,
                         clipPoly);
         break;
      }
      case OSSIM_SCALAR_UNKNOWN:
      default:
      {
         break;
      }
   }   
}

copyInputToThis() [2/3]

template<class T >

void ossimImageDataHelper::copyInputToThis ( const T *  inputBuf, const ossimPolygon &  region, bool  clipPoly  )

protected

Definition at line 343 of file ossimImageDataHelper.cpp.

References copyInputToThis(), ossimPolyArea2d::getVisiblePolygons(), and thePolyImageRectangle.

{
   if(clipPoly)
   {
      ossimPolyArea2d polyArea(region);
      ossimPolyArea2d clipArea = polyArea&thePolyImageRectangle;
      
      vector<ossimPolygon> clipList;
      //      clipArea.getAllVisiblePolygons(clipList);
      clipArea.getVisiblePolygons(clipList);

      for(ossim_uint32 i = 0; i < clipList.size();++i)
      {
         copyInputToThis( inputBuf, clipList[i] );
      }
   }
   else
   {
      copyInputToThis( inputBuf, region );
   }
}

copyInputToThis() [3/3]

template<class T >

void ossimImageDataHelper::copyInputToThis ( const T *  inputBuf, const ossimPolygon &  region  )

protected

Definition at line 368 of file ossimImageDataHelper.cpp.

References ossimImageData::getBuf(), ossimImageData::getHeight(), ossimPolygon::getIntegerBounds(), ossimImageData::getNumberOfBands(), ossimPolygon::getVertexCount(), ossimImageData::getWidth(), n, theImageData, theOrigin, ossimIpt::x, ossimIpt::y, and y.

{ 
   int n;
   int i;
   int y;
   ossim_int32 miny, maxy, minx, maxx;
   int x1, y1;
   int x2, y2;
   int ind1, ind2;
   // int ints;
   vector<int> polyInts;
   T* buf = reinterpret_cast<T*>(theImageData->getBuf());
   
   ossim_int32 blockLength=theImageData->getWidth()*theImageData->getHeight();
   ossim_int32 bandOffset = 0;
   
   region.getIntegerBounds(minx, miny, maxx, maxy);
   ossim_int32 rowOffset = (miny-theOrigin.y)*theImageData->getWidth();
   n = region.getVertexCount();
   /* Fix in 1.3: count a vertex only once */
   for (y = miny; (y <= maxy); y++)
   {
      polyInts.clear();
      // ints = 0;
      for (i = 0; (i < n); i++)
      {
         if (!i)
         {
            ind1 = n - 1;
            ind2 = 0;
         }
         else
         {
            ind1 = i - 1;
            ind2 = i;
         }
         y1 = ossim::round<int>(region[ind1].y);
         y2 = ossim::round<int>(region[ind2].y);
         if (y1 < y2)
         {
            x1 = ossim::round<int>(region[ind1].x);
            x2 = ossim::round<int>(region[ind2].x);
         }
         else if (y1 > y2)
         {
            y2 = ossim::round<int>(region[ind1].y);
            y1 = ossim::round<int>(region[ind2].y);
            x2 = ossim::round<int>(region[ind1].x);
            x1 = ossim::round<int>(region[ind2].x);
         }
         else
         {
            continue;
         }
         if ((y >= y1) && (y < y2))
         {
            polyInts.push_back((y - y1) * (x2 - x1) / (y2 - y1) + x1);
         }
         else if ((y == maxy) && (y > y1) && (y <= y2))
         {
            polyInts.push_back((y - y1) * (x2 - x1) / (y2 - y1) + x1);
         }
      }
      std::sort(polyInts.begin(), polyInts.end());
      
      for (i = 0; (i < (int)polyInts.size()); i += 2)
      {
         ossim_int32 startX = polyInts[i]-theOrigin.x;
         ossim_int32 endX   = polyInts[i+1]-theOrigin.x;
         while(startX <= endX)
         {
            bandOffset = 0;
        int band;
            for(band = 0; band < (ossim_int32)theImageData->getNumberOfBands();++band)
            {
               buf[rowOffset+bandOffset+startX] = (inputBuf[rowOffset+bandOffset+startX]);
               bandOffset += blockLength;
            }
            ++startX;
         }
      }
      rowOffset += theImageData->getWidth();
   }
}

fill() [1/10]

void ossimImageDataHelper::fill	(	const double *	values,
		const ossimIrect &	rect,
		bool	clipPoly = true
	)

Definition at line 279 of file ossimImageDataHelper.cpp.

References ossimRectilinearDataObject::getScalarType(), OSSIM_DOUBLE, OSSIM_FLOAT, OSSIM_NORMALIZED_DOUBLE, OSSIM_NORMALIZED_FLOAT, OSSIM_SCALAR_UNKNOWN, OSSIM_SSHORT16, OSSIM_UCHAR, OSSIM_USHORT11, OSSIM_USHORT12, OSSIM_USHORT13, OSSIM_USHORT14, OSSIM_USHORT15, OSSIM_USHORT16, and theImageData.

Referenced by ossimMapCompositionSource::drawBorders(), fill(), and ossimPolyCutter::getTile().

{
   switch(theImageData->getScalarType())
   {
      case OSSIM_UCHAR:
      {
         fill(static_cast<ossim_uint8>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_USHORT16:
      case OSSIM_USHORT11:
      case OSSIM_USHORT12:
      case OSSIM_USHORT13:
      case OSSIM_USHORT14:
      case OSSIM_USHORT15:
      {
         fill(static_cast<ossim_uint16>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_SSHORT16:
      {
         fill(static_cast<ossim_sint16>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_FLOAT:
      case OSSIM_NORMALIZED_FLOAT:
      {
         fill(static_cast<float>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_DOUBLE:
      case OSSIM_NORMALIZED_DOUBLE:
      {
         fill(static_cast<double>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_SCALAR_UNKNOWN:
      default:
      {
         break;
      }
   }
}

fill() [2/10]

void ossimImageDataHelper::fill	(	const double *	values,
		std::vector< ossimPolygon > &	regionList,
		bool	clipPoly = true
	)

Definition at line 118 of file ossimImageDataHelper.cpp.

References fill().

{
   int i = 0;

   for(i = 0; i < (int)regionList.size();++i)
   {
      fill(values,
           regionList[i],
           clipPoly);
   }
}

fill() [3/10]

void ossimImageDataHelper::fill	(	const ossimRgbVector &	color,
		std::vector< ossimPolygon > &	regionList,
		bool	clipPoly = true
	)

Definition at line 103 of file ossimImageDataHelper.cpp.

References fill().

{
   int i = 0;

   for(i = 0; i < (int)regionList.size();++i)
   {
      fill(color,
           regionList[i],
           clipPoly);
   }
}

fill() [4/10]

void ossimImageDataHelper::fill	(	const ossimRgbVector &	color,
		const ossimIrect &	rect,
		bool	clipPoly = true
	)

Definition at line 174 of file ossimImageDataHelper.cpp.

References fill(), ossimRgbVector::getB(), ossimRgbVector::getG(), ossimImageData::getNumberOfBands(), ossimRgbVector::getR(), ossimRectilinearDataObject::getScalarType(), OSSIM_DOUBLE, OSSIM_FLOAT, OSSIM_NORMALIZED_DOUBLE, OSSIM_NORMALIZED_FLOAT, OSSIM_SCALAR_UNKNOWN, OSSIM_SSHORT16, OSSIM_UCHAR, OSSIM_USHORT11, OSSIM_USHORT12, OSSIM_USHORT13, OSSIM_USHORT14, OSSIM_USHORT15, OSSIM_USHORT16, and theImageData.

{
   double colorArray[3];

   colorArray[0] = color.getR();
   colorArray[1] = color.getG();
   colorArray[2] = color.getB();

   switch(theImageData->getScalarType())
   {
      case OSSIM_UCHAR:
      {
         if(theImageData->getNumberOfBands() <= 3)
         {
            fill(static_cast<ossim_uint8>(0),
                 colorArray,
                 region,
                 clipPoly);
            
         }
         break;
      }
      case OSSIM_SCALAR_UNKNOWN:
      case OSSIM_USHORT16:
      case OSSIM_USHORT11:
      case OSSIM_USHORT12:
      case OSSIM_USHORT13:
      case OSSIM_USHORT14:
      case OSSIM_USHORT15:
      case OSSIM_SSHORT16:
      case OSSIM_FLOAT:
      case OSSIM_NORMALIZED_FLOAT:
      case OSSIM_DOUBLE:
      case OSSIM_NORMALIZED_DOUBLE:
      {
         break;
      }
      default:
         break;
   }
}

fill() [5/10]

void ossimImageDataHelper::fill	(	const double *	values,
		const ossimPolygon &	region,
		bool	clipPoly = true
	)

Values must be of the same type as the image data that we are writing to.

Definition at line 218 of file ossimImageDataHelper.cpp.

References fill(), ossimRectilinearDataObject::getScalarType(), OSSIM_DOUBLE, OSSIM_FLOAT, OSSIM_NORMALIZED_DOUBLE, OSSIM_NORMALIZED_FLOAT, OSSIM_SCALAR_UNKNOWN, OSSIM_SSHORT16, OSSIM_UCHAR, OSSIM_USHORT11, OSSIM_USHORT12, OSSIM_USHORT13, OSSIM_USHORT14, OSSIM_USHORT15, OSSIM_USHORT16, and theImageData.

{
   switch(theImageData->getScalarType())
   {
      case OSSIM_UCHAR:
      {
         fill(static_cast<ossim_uint8>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_USHORT16:
      case OSSIM_USHORT11:
      case OSSIM_USHORT12:
      case OSSIM_USHORT13:
      case OSSIM_USHORT14:
      case OSSIM_USHORT15:
      {
         fill(static_cast<ossim_uint16>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_SSHORT16:
      {
         fill(static_cast<ossim_sint16>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_FLOAT:
      case OSSIM_NORMALIZED_FLOAT:
      {
         fill(static_cast<float>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_DOUBLE:
      case OSSIM_NORMALIZED_DOUBLE:
      {
         fill(static_cast<double>(0),
              values,
              region,
              clipPoly);
         break;
      }
      case OSSIM_SCALAR_UNKNOWN:
      default:
      {
         break;
      }
   }
}

fill() [6/10]

void ossimImageDataHelper::fill	(	const ossimRgbVector &	color,
		const ossimPolygon &	region,
		bool	clipPoly = true
	)

Definition at line 132 of file ossimImageDataHelper.cpp.

References fill(), ossimRgbVector::getB(), ossimRgbVector::getG(), ossimImageData::getNumberOfBands(), ossimRgbVector::getR(), ossimRectilinearDataObject::getScalarType(), OSSIM_DOUBLE, OSSIM_FLOAT, OSSIM_NORMALIZED_DOUBLE, OSSIM_NORMALIZED_FLOAT, OSSIM_SCALAR_UNKNOWN, OSSIM_SSHORT16, OSSIM_UCHAR, OSSIM_USHORT11, OSSIM_USHORT12, OSSIM_USHORT13, OSSIM_USHORT14, OSSIM_USHORT15, OSSIM_USHORT16, and theImageData.

{
   double colorArray[3];

   colorArray[0] = color.getR();
   colorArray[1] = color.getG();
   colorArray[2] = color.getB();
   switch(theImageData->getScalarType())
   {
      case OSSIM_UCHAR:
      {
         if(theImageData->getNumberOfBands() <= 3)
         {
            fill(static_cast<ossim_uint8>(0),
                 (const double*)colorArray,
                 region,
                 clipPoly);
            
         }
         break;
      }
      case OSSIM_SCALAR_UNKNOWN:
      case OSSIM_USHORT16:
      case OSSIM_USHORT11:
      case OSSIM_USHORT12:
      case OSSIM_USHORT13:
      case OSSIM_USHORT14:
      case OSSIM_USHORT15:
      case OSSIM_SSHORT16:
      case OSSIM_FLOAT:
      case OSSIM_NORMALIZED_FLOAT:
      case OSSIM_DOUBLE:
      case OSSIM_NORMALIZED_DOUBLE:
      default:
      {
         break;
      }
   }
}

fill() [7/10]

template<class T >

void ossimImageDataHelper::fill ( T  dummyVariable, const double *  values, const ossimPolygon &  region, bool  clipPoly  )

protected

Definition at line 455 of file ossimImageDataHelper.cpp.

References fill(), ossimPolyArea2d::getVisiblePolygons(), and thePolyImageRectangle.

{
   if(clipPoly)
   {
      ossimPolyArea2d polyArea(region);
      ossimPolyArea2d clipArea = polyArea&thePolyImageRectangle;
      
      vector<ossimPolygon> clipList;
      
      clipArea.getVisiblePolygons(clipList);
      
      for(ossim_uint32 i = 0; i < clipList.size();++i)
      {
         fill( dummyVariable, values, clipList[i] );
      }
   }
   else
   {
      fill( dummyVariable, values, region );
   }
}

fill() [8/10]

template<class T >

void ossimImageDataHelper::fill ( T  dummyVariable, const double *  values, const ossimIrect &  region, bool  clipPoly  )

protected

Definition at line 481 of file ossimImageDataHelper.cpp.

References ossimIrect::clipToRect(), fill(), ossimImageData::getImageRectangle(), and theImageData.

{
   if(clipPoly)
   {
      fill(dummyVariable,
           values,
           region.clipToRect(theImageData->getImageRectangle()));
   }
   else
   {
      fill(dummyVariable,
           values,
           region);
   }
}

fill() [9/10]

template<class T >

void ossimImageDataHelper::fill ( T  dummyVariable, const double *  values, const ossimPolygon &  region  )

protected

Definition at line 501 of file ossimImageDataHelper.cpp.

References abs, ossimImageData::getBuf(), ossimImageData::getHeight(), ossimPolygon::getIntegerBounds(), ossimImageData::getNumberOfBands(), ossimPolygon::getVertexCount(), ossimImageData::getWidth(), n, theImageData, theOrigin, ossimIpt::x, ossimIpt::y, and y.

{
   int n;
   int i;
   int y;
   ossim_int32 miny, maxy, minx, maxx;
   int x1, y1;
   int x2, y2;
   int ind1, ind2;
   // int ints;
   vector<int> polyInts;
   T* buf = reinterpret_cast<T*>(theImageData->getBuf());
   
   ossim_int32 blockLength=theImageData->getWidth()*theImageData->getHeight();
   ossim_int32 bandOffset = 0;
   
   region.getIntegerBounds(minx, miny, maxx, maxy);
   ossim_int32 rowOffset = (miny-theOrigin.y)*theImageData->getWidth();
   n = region.getVertexCount();
   /* Fix in 1.3: count a vertex only once */
   for (y = miny; (y <= maxy); y++)
   {
      polyInts.clear();
      // ints = 0;
      for (i = 0; (i < n); i++)
      {
         if (!i)
         {
            ind1 = n - 1;
            ind2 = 0;
         }
         else
         {
            ind1 = i - 1;
            ind2 = i;
         }
         y1 = ossim::round<int>(region[ind1].y);
         y2 = ossim::round<int>(region[ind2].y);
         if (y1 < y2)
         {
            x1 = ossim::round<int>(region[ind1].x);
            x2 = ossim::round<int>(region[ind2].x);
         }
            else if (y1 > y2)
            {
               y2 = ossim::round<int>(region[ind1].y);
               y1 = ossim::round<int>(region[ind2].y);
               x2 = ossim::round<int>(region[ind1].x);
               x1 = ossim::round<int>(region[ind2].x);
            }
         else
         {
            continue;
         }
         if ((y >= y1) && (y < y2))
         {
            polyInts.push_back((y - y1) * (x2 - x1) / (y2 - y1) + x1);
         }
         else if ((y == maxy) && (y > y1) && (y <= y2))
         {
            polyInts.push_back((y - y1) * (x2 - x1) / (y2 - y1) + x1);
         }
      }
      std::sort(polyInts.begin(), polyInts.end());
      
      for (i = 0; (i < (int)polyInts.size()); i += 2)
      {
         ossim_int32 startX = std::abs(polyInts[i]-theOrigin.x);
         ossim_int32 endX   = std::abs(polyInts[i+1]-theOrigin.x);
         while(startX <= endX)
         {
            bandOffset = 0;
        int band;
            for(band = 0; band < (int)theImageData->getNumberOfBands();++band)
            {
               buf[rowOffset+bandOffset+startX] = (T)(values[band]);
               bandOffset += blockLength;
            }
            ++startX;
         }
      }
      rowOffset += theImageData->getWidth();
   }
}

fill() [10/10]

template<class T >

void ossimImageDataHelper::fill ( T  dummyVariable, const double *  values, const ossimIrect &  region  )

protected

Definition at line 589 of file ossimImageDataHelper.cpp.

References ossimImageData::getBuf(), ossimImageData::getHeight(), ossimImageData::getNumberOfBands(), ossimImageData::getWidth(), ossimIrect::lr(), theImageData, theOrigin, ossimIrect::ul(), ossimIpt::x, ossimIpt::y, and y.

{
   T* buf = reinterpret_cast<T*>(theImageData->getBuf());
   
   ossim_int32 blockLength=theImageData->getWidth()*theImageData->getHeight();
   ossim_int32 bandOffset = 0;
   ossim_int32 miny,maxy;
   ossim_int32 minx, maxx;
   ossim_int32 y = 0;
   miny = region.ul().y-theOrigin.y;
   maxy = region.lr().y-theOrigin.y;
   minx = region.ul().x-theOrigin.x;
   maxx = region.lr().x-theOrigin.x;
   
   ossim_int32 rowOffset = (miny)*theImageData->getWidth();
   ossim_int32 startX = minx;
   ossim_int32 endX   = maxx;
   ossim_int32 bands  = (ossim_int32)theImageData->getNumberOfBands();

   for (y = miny; (y <= maxy); ++y)
   {
      startX=minx;
      while(startX <= endX)
      {
         bandOffset = 0;
     int band = 0;
         for(band = 0; band < bands;++band)
         {
            buf[rowOffset+bandOffset+startX] = (T)(values[band]);
            bandOffset += blockLength;
         }
         ++startX;
      }
      rowOffset += theImageData->getWidth();
   }
}

setImageData()

void ossimImageDataHelper::setImageData

(

ossimImageData *

imageData

)

Definition at line 24 of file ossimImageDataHelper.cpp.

References ossimImageData::getImageRectangle(), theImageData, theImageRectangle, theOrigin, thePolyImageRectangle, and ossimIrect::ul().

Referenced by ossimPolyCutter::getTile(), and ossimImageDataHelper().

{
   theImageData = imageData;
   if(theImageData)
   {
      theImageRectangle     = theImageData->getImageRectangle();
      thePolyImageRectangle = theImageRectangle;
//       thePolyImageRectangle = ossimPolyArea2d(theImageRectangle.ul(),
//                                               theImageRectangle.ur(),
//                                               theImageRectangle.lr(),
//                                               theImageRectangle.ll());
      theOrigin = theImageRectangle.ul();
   }
}

Member Data Documentation

theImageData

ossimImageData* ossimImageDataHelper::theImageData

Definition at line 61 of file ossimImageDataHelper.h.

Referenced by copyInputToThis(), fill(), and setImageData().

theImageRectangle

ossimIrect ossimImageDataHelper::theImageRectangle

protected

Definition at line 66 of file ossimImageDataHelper.h.

Referenced by setImageData().

theOrigin

ossimIpt ossimImageDataHelper::theOrigin

protected

Definition at line 65 of file ossimImageDataHelper.h.

Referenced by copyInputToThis(), fill(), and setImageData().

thePolyImageRectangle

ossimPolyArea2d ossimImageDataHelper::thePolyImageRectangle

protected

Definition at line 67 of file ossimImageDataHelper.h.

Referenced by copyInputToThis(), fill(), and setImageData().

---

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

• ossimImageDataHelper.h
• ossimImageDataHelper.cpp