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Moved include/osgTerrain/DataSet/.cpp, gdal plugin and osgdem out into the VirtualPlaneBuilder project.

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Updated examples to remove DataSet/GDAL dependency.

Updated wrappers
This commit is contained in:
Robert Osfield
2007-02-27 21:12:48 +00:00
parent 69e52e6d61
commit b00cbe5a17
28 changed files with 56 additions and 10545 deletions
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738
src/osgPlugins/gdal/ReaderWriterGDAL.cpp
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@@ -1,738 +0,0 @@
#include <osg/Image>
#include <osg/Notify>
#include <osg/Geode>
#include <osg/GL>
#include <osgDB/Registry>
#include <osgDB/FileNameUtils>
#include <osgDB/FileUtils>
#include <osgDB/ImageOptions>
#include <OpenThreads/ScopedLock>
#include <OpenThreads/ReentrantMutex>
#include <gdal_priv.h>
#define SERIALIZER() OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(_serializerMutex)
// From easyrgb.com
float Hue_2_RGB( float v1, float v2, float vH )
{
if ( vH < 0 ) vH += 1;
if ( vH > 1 ) vH -= 1;
if ( ( 6 * vH ) < 1 ) return ( v1 + ( v2 - v1 ) * 6 * vH );
if ( ( 2 * vH ) < 1 ) return ( v2 );
if ( ( 3 * vH ) < 2 ) return ( v1 + ( v2 - v1 ) * ( ( 2 / 3 ) - vH ) * 6 );
return ( v1 );
}
class ReaderWriterGDAL : public osgDB::ReaderWriter
{
public:
virtual const char* className() const { return "GDAL Image Reader"; }
virtual bool acceptsExtension(const std::string& extension) const
{
return osgDB::equalCaseInsensitive(extension,"gdal") || osgDB::equalCaseInsensitive(extension,"gdal");
}
virtual ReadResult readImage(const std::string& fileName, const osgDB::ReaderWriter::Options* options) const
{
OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(_serializerMutex);
return const_cast<ReaderWriterGDAL*>(this)->local_readImage(fileName, options);
}
virtual ReadResult readHeightField(const std::string& fileName, const osgDB::ReaderWriter::Options* options) const
{
OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(_serializerMutex);
return const_cast<ReaderWriterGDAL*>(this)->local_readHeightField(fileName, options);
}
virtual ReadResult local_readImage(const std::string& file, const osgDB::ReaderWriter::Options* options)
{
// Looks like gdal's GDALRasterBand::GetColorInterpretation()
// is not giving proper values for ecw images. There is small
// hack to get around
bool ecwLoad = osgDB::equalCaseInsensitive(osgDB::getFileExtension(file),"ecw");
//if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
osg::notify(osg::INFO) << "GDAL : " << file << std::endl;
std::string fileName = osgDB::findDataFile( file, options );
if (fileName.empty()) return ReadResult::FILE_NOT_FOUND;
initGDAL();
std::auto_ptr<GDALDataset> dataset((GDALDataset*)GDALOpen(fileName.c_str(),GA_ReadOnly));
if (!dataset.get()) return ReadResult::FILE_NOT_HANDLED;
int dataWidth = dataset->GetRasterXSize();
int dataHeight = dataset->GetRasterYSize();
int windowX = 0;
int windowY = 0;
int windowWidth = dataWidth;
int windowHeight = dataHeight;
int destX = 0;
int destY = 0;
int destWidth = osg::minimum(dataWidth,1024);
int destHeight = osg::minimum(dataHeight,1024);
// int destWidth = osg::minimum(dataWidth,4096);
// int destHeight = osg::minimum(dataHeight,4096);
osgDB::ImageOptions::TexCoordRange* texCoordRange = 0;
osgDB::ImageOptions* imageOptions = dynamic_cast<osgDB::ImageOptions*>(const_cast<osgDB::ReaderWriter::Options*>(options));
if (imageOptions)
{
osg::notify(osg::INFO)<<"Got ImageOptions"<<std::endl;
int margin = 0;
switch(imageOptions->_sourceImageWindowMode)
{
case(osgDB::ImageOptions::RATIO_WINDOW):
{
double desiredX = (double)dataWidth * imageOptions->_sourceRatioWindow.windowX;
double desiredY = (double)dataHeight * imageOptions->_sourceRatioWindow.windowY;
double desiredWidth = (double)dataWidth * imageOptions->_sourceRatioWindow.windowWidth;
double desiredHeight = (double)dataHeight * imageOptions->_sourceRatioWindow.windowHeight;
windowX = osg::maximum((int)(floor(desiredX))-margin,0);
windowY = osg::maximum((int)(floor(desiredY))-margin,0);
windowWidth = osg::minimum((int)(ceil(desiredX + desiredWidth))+margin,dataWidth)-windowX;
windowHeight = osg::minimum((int)(ceil(desiredY + desiredHeight))+margin,dataHeight)-windowY;
texCoordRange = new osgDB::ImageOptions::TexCoordRange;
texCoordRange->set((desiredX-(double)windowX)/(double)windowWidth,
((double)(windowY+windowHeight) -(desiredY+desiredHeight))/(double)windowHeight,
(desiredWidth)/(double)windowWidth,
(desiredHeight)/(double)windowHeight);
osg::notify(osg::INFO)<<"tex coord range "<<texCoordRange->_x<<" "<<texCoordRange->_y<<" "<<texCoordRange->_w<<" "<<texCoordRange->_h<<std::endl;
}
break;
case(osgDB::ImageOptions::PIXEL_WINDOW):
windowX = imageOptions->_sourcePixelWindow.windowX;
windowY = imageOptions->_sourcePixelWindow.windowY;
windowWidth = imageOptions->_sourcePixelWindow.windowWidth;
windowHeight = imageOptions->_sourcePixelWindow.windowHeight;
break;
default:
// leave source window dimensions as whole image.
break;
}
// reapply the window coords to the pixel window so that calling code
// knows the original pixel size
imageOptions->_sourcePixelWindow.windowX = windowX;
imageOptions->_sourcePixelWindow.windowY = windowY;
imageOptions->_sourcePixelWindow.windowWidth = windowWidth;
imageOptions->_sourcePixelWindow.windowHeight = windowHeight;
switch(imageOptions->_destinationImageWindowMode)
{
case(osgDB::ImageOptions::RATIO_WINDOW):
destX = (unsigned int)(floor((double)dataWidth * imageOptions->_destinationRatioWindow.windowX));
destY = (unsigned int)(floor((double)dataHeight * imageOptions->_destinationRatioWindow.windowY));
destWidth = (unsigned int)(ceil((double)dataWidth * (imageOptions->_destinationRatioWindow.windowX + imageOptions->_destinationRatioWindow.windowWidth)))-windowX;
destHeight = (unsigned int)(ceil((double)dataHeight * (imageOptions->_destinationRatioWindow.windowY + imageOptions->_destinationRatioWindow.windowHeight)))-windowY;
break;
case(osgDB::ImageOptions::PIXEL_WINDOW):
destX = imageOptions->_destinationPixelWindow.windowX;
destY = imageOptions->_destinationPixelWindow.windowY;
destWidth = imageOptions->_destinationPixelWindow.windowWidth;
destHeight = imageOptions->_destinationPixelWindow.windowHeight;
break;
default:
// leave source window dimensions as whole image.
break;
}
}
// windowX = 0;
// windowY = 0;
// windowWidth = destWidth;
// windowHeight = destHeight;
osg::notify(osg::INFO) << " windowX = "<<windowX<<std::endl;
osg::notify(osg::INFO) << " windowY = "<<windowY<<std::endl;
osg::notify(osg::INFO) << " windowWidth = "<<windowWidth<<std::endl;
osg::notify(osg::INFO) << " windowHeight = "<<windowHeight<<std::endl;
osg::notify(osg::INFO) << std::endl;
osg::notify(osg::INFO) << " destX = "<<destX<<std::endl;
osg::notify(osg::INFO) << " destY = "<<destY<<std::endl;
osg::notify(osg::INFO) << " destWidth = "<<destWidth<<std::endl;
osg::notify(osg::INFO) << " destHeight = "<<destHeight<<std::endl;
osg::notify(osg::INFO) << std::endl;
osg::notify(osg::INFO) << " GetRaterCount() "<< dataset->GetRasterCount()<<std::endl;
osg::notify(osg::INFO) << " GetProjectionRef() "<< dataset->GetProjectionRef()<<std::endl;
double geoTransform[6];
if (dataset->GetGeoTransform(geoTransform)==CE_None)
{
osg::notify(osg::INFO) << " GetGeoTransform "<< std::endl;
osg::notify(osg::INFO) << " Origin = "<<geoTransform[0]<<" "<<geoTransform[3]<<std::endl;
osg::notify(osg::INFO) << " Pixel X = "<<geoTransform[1]<<" "<<geoTransform[4]<<std::endl;
osg::notify(osg::INFO) << " Pixel Y = "<<geoTransform[2]<<" "<<geoTransform[5]<<std::endl;
}
int numBands = dataset->GetRasterCount();
GDALRasterBand* bandGray = 0;
GDALRasterBand* bandRed = 0;
GDALRasterBand* bandGreen = 0;
GDALRasterBand* bandBlue = 0;
GDALRasterBand* bandAlpha = 0;
GDALRasterBand* bandPalette = 0;
int internalFormat = GL_LUMINANCE;
unsigned int pixelFormat = GL_LUMINANCE;
unsigned int dataType = 0;
unsigned int numBytesPerPixel = 0;
GDALDataType targetGDALType = GDT_Byte;
for(int b=1;b<=numBands;++b)
{
GDALRasterBand* band = dataset->GetRasterBand(b);
osg::notify(osg::INFO) << " Band "<<b<<std::endl;
osg::notify(osg::INFO) << " GetOverviewCount() = "<< band->GetOverviewCount()<<std::endl;
osg::notify(osg::INFO) << " GetColorTable() = "<< band->GetColorTable()<<std::endl;
osg::notify(osg::INFO) << " DataTypeName() = "<< GDALGetDataTypeName(band->GetRasterDataType())<<std::endl;
osg::notify(osg::INFO) << " ColorIntepretationName() = "<< GDALGetColorInterpretationName(band->GetColorInterpretation())<<std::endl;
bool bandNotHandled = true;
if (ecwLoad)
{
bandNotHandled = false;
switch (b)
{
case 1:
bandRed = band;
break;
case 2:
bandGreen = band;
break;
case 3:
bandBlue = band;
break;
default:
bandNotHandled = true;
}
}
if (bandNotHandled)
{
if (band->GetColorInterpretation()==GCI_GrayIndex) bandGray = band;
else if (band->GetColorInterpretation()==GCI_RedBand) bandRed = band;
else if (band->GetColorInterpretation()==GCI_GreenBand) bandGreen = band;
else if (band->GetColorInterpretation()==GCI_BlueBand) bandBlue = band;
else if (band->GetColorInterpretation()==GCI_AlphaBand) bandAlpha = band;
else if (band->GetColorInterpretation()==GCI_PaletteIndex) bandPalette = band;
else bandGray = band;
}
if (bandPalette)
{
osg::notify(osg::INFO) << " Palette Interpretation: " << GDALGetPaletteInterpretationName(band->GetColorTable()->GetPaletteInterpretation()) << std::endl;
}
// int gotMin,gotMax;
// double minmax[2];
//
// minmax[0] = band->GetMinimum(&gotMin);
// minmax[1] = band->GetMaximum(&gotMax);
// if (!(gotMin && gotMax))
// {
// osg::notify(osg::INFO)<<" computing min max"<<std::endl;
// GDALComputeRasterMinMax(band,TRUE,minmax);
// }
//
// osg::notify(osg::INFO) << " min "<<minmax[0]<<std::endl;
// osg::notify(osg::INFO) << " max "<<minmax[1]<<std::endl;
if (dataType==0)
{
targetGDALType = band->GetRasterDataType();
switch(band->GetRasterDataType())
{
case(GDT_Byte): dataType = GL_UNSIGNED_BYTE; numBytesPerPixel = 1; break;
case(GDT_UInt16): dataType = GL_UNSIGNED_SHORT; numBytesPerPixel = 2; break;
case(GDT_Int16): dataType = GL_SHORT; numBytesPerPixel = 2; break;
case(GDT_UInt32): dataType = GL_UNSIGNED_INT; numBytesPerPixel = 4; break;
case(GDT_Int32): dataType = GL_INT; numBytesPerPixel = 4; break;
case(GDT_Float32): dataType = GL_FLOAT; numBytesPerPixel = 4; break;
case(GDT_Float64): dataType = GL_DOUBLE; numBytesPerPixel = 8; break; // not handled
default: dataType = 0; numBytesPerPixel = 0; break; // not handled
}
}
}
int s = destWidth;
int t = destHeight;
int r = 1;
if (dataType==0)
{
dataType = GL_UNSIGNED_BYTE;
numBytesPerPixel = 1;
targetGDALType = GDT_Byte;
}
unsigned char* imageData = 0;
if (bandRed && bandGreen && bandBlue)
{
if (bandAlpha)
{
// RGBA
int pixelSpace=4*numBytesPerPixel;
int lineSpace=destWidth * pixelSpace;
imageData = new unsigned char[destWidth * destHeight * pixelSpace];
pixelFormat = GL_RGBA;
internalFormat = GL_RGBA;
osg::notify(osg::INFO) << "reading RGBA"<<std::endl;
bandRed->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+0),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
bandGreen->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+1),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
bandBlue->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+2),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
bandAlpha->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+3),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
}
else
{
// RGB
int pixelSpace=3*numBytesPerPixel;
int lineSpace=destWidth * pixelSpace;
imageData = new unsigned char[destWidth * destHeight * pixelSpace];
pixelFormat = GL_RGB;
internalFormat = GL_RGB;
osg::notify(osg::INFO) << "reading RGB"<<std::endl;
bandRed->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+0),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
bandGreen->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+1),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
bandBlue->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+2),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
}
}
else if (bandGray)
{
if (bandAlpha)
{
// Luminance alpha
int pixelSpace=2*numBytesPerPixel;
int lineSpace=destWidth * pixelSpace;
imageData = new unsigned char[destWidth * destHeight * pixelSpace];
pixelFormat = GL_LUMINANCE_ALPHA;
internalFormat = GL_LUMINANCE_ALPHA;
osg::notify(osg::INFO) << "reading grey + alpha"<<std::endl;
bandGray->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+0),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
bandAlpha->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+1),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
}
else
{
// Luminance map
int pixelSpace=1*numBytesPerPixel;
int lineSpace=destWidth * pixelSpace;
imageData = new unsigned char[destWidth * destHeight * pixelSpace];
pixelFormat = GL_LUMINANCE;
internalFormat = GL_LUMINANCE;
osg::notify(osg::INFO) << "reading grey"<<std::endl;
bandGray->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+0),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
}
}
else if (bandAlpha)
{
// alpha map
int pixelSpace=1*numBytesPerPixel;
int lineSpace=destWidth * pixelSpace;
imageData = new unsigned char[destWidth * destHeight * pixelSpace];
pixelFormat = GL_ALPHA;
internalFormat = GL_ALPHA;
osg::notify(osg::INFO) << "reading alpha"<<std::endl;
bandAlpha->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(imageData+0),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
}
else if (bandPalette)
{
// Paletted map
int pixelSpace=1*numBytesPerPixel;
int lineSpace=destWidth * pixelSpace;
unsigned char *rawImageData;
rawImageData = new unsigned char[destWidth * destHeight * pixelSpace];
imageData = new unsigned char[destWidth * destHeight * 4/*RGBA*/];
pixelFormat = GL_RGBA;
internalFormat = GL_RGBA;
osg::notify(osg::INFO) << "reading palette"<<std::endl;
osg::notify(osg::INFO) << "numBytesPerPixel: " << numBytesPerPixel << std::endl;
bandPalette->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(rawImageData),destWidth,destHeight,targetGDALType,pixelSpace,lineSpace);
// Map the indexes to an actual RGBA Value.
for (int i = 0; i < destWidth * destHeight; i++)
{
const GDALColorEntry *colorEntry = bandPalette->GetColorTable()->GetColorEntry(rawImageData[i]);
GDALPaletteInterp interp = bandPalette->GetColorTable()->GetPaletteInterpretation();
if (!colorEntry)
{
//FIXME: What to do here?
//osg::notify(osg::INFO) << "NO COLOR ENTRY FOR COLOR " << rawImageData[i] << std::endl;
imageData[4*i+0] = 255;
imageData[4*i+1] = 0;
imageData[4*i+2] = 0;
imageData[4*i+3] = 1;
}
else
{
if (interp == GPI_RGB)
{
imageData[4*i+0] = colorEntry->c1;
imageData[4*i+1] = colorEntry->c2;
imageData[4*i+2] = colorEntry->c3;
imageData[4*i+3] = colorEntry->c4;
}
else if (interp == GPI_CMYK)
{
// from wikipedia.org
short C = colorEntry->c1;
short M = colorEntry->c2;
short Y = colorEntry->c3;
short K = colorEntry->c4;
imageData[4*i+0] = 255 - C*(255 - K) - K;
imageData[4*i+1] = 255 - M*(255 - K) - K;
imageData[4*i+2] = 255 - Y*(255 - K) - K;
imageData[4*i+3] = 255;
}
else if (interp == GPI_HLS)
{
// from easyrgb.com
float H = colorEntry->c1;
float S = colorEntry->c3;
float L = colorEntry->c2;
float R, G, B;
if ( S == 0 ) //HSL values = 0 - 1
{
R = L; //RGB results = 0 - 1
G = L;
B = L;
}
else
{
float var_2, var_1;
if ( L < 0.5 )
var_2 = L * ( 1 + S );
else
var_2 = ( L + S ) - ( S * L );
var_1 = 2 * L - var_2;
R = Hue_2_RGB( var_1, var_2, H + ( 1 / 3 ) );
G = Hue_2_RGB( var_1, var_2, H );
B = Hue_2_RGB( var_1, var_2, H - ( 1 / 3 ) );
}
imageData[4*i+0] = static_cast<unsigned char>(R*255.0f);
imageData[4*i+1] = static_cast<unsigned char>(G*255.0f);
imageData[4*i+2] = static_cast<unsigned char>(B*255.0f);
imageData[4*i+3] = static_cast<unsigned char>(255.0f);
}
else if (interp == GPI_Gray)
{
imageData[4*i+0] = static_cast<unsigned char>(colorEntry->c1*255.0f);
imageData[4*i+1] = static_cast<unsigned char>(colorEntry->c1*255.0f);
imageData[4*i+2] = static_cast<unsigned char>(colorEntry->c1*255.0f);
imageData[4*i+3] = static_cast<unsigned char>(255.0f);
}
}
}
delete [] rawImageData;
}
else
{
osg::notify(osg::INFO) << "not found any usable bands in file."<<std::endl;
}
//GDALOpen(dataset);
if (imageData)
{
osg::Image* image = new osg::Image;
image->setFileName(fileName.c_str());
image->setImage(s,t,r,
internalFormat,
pixelFormat,
dataType,
(unsigned char *)imageData,
osg::Image::USE_NEW_DELETE);
if (texCoordRange) image->setUserData(texCoordRange);
image->flipVertical();
return image;
}
return 0;
}
ReadResult local_readHeightField(const std::string& fileName, const osgDB::ReaderWriter::Options* options)
{
//std::string ext = osgDB::getFileExtension(fileName);
//if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
initGDAL();
std::auto_ptr<GDALDataset> dataset((GDALDataset*)GDALOpen(fileName.c_str(),GA_ReadOnly));
if (!dataset.get()) return ReadResult::FILE_NOT_HANDLED;
int dataWidth = dataset->GetRasterXSize();
int dataHeight = dataset->GetRasterYSize();
int windowX = 0;
int windowY = 0;
int windowWidth = dataWidth;
int windowHeight = dataHeight;
int destX = 0;
int destY = 0;
int destWidth = osg::minimum(dataWidth,1024);
int destHeight = osg::minimum(dataHeight,1024);
osgDB::ImageOptions::TexCoordRange* texCoordRange = 0;
const osgDB::ImageOptions* imageOptions = dynamic_cast<const osgDB::ImageOptions*>(options);
if (imageOptions)
{
osg::notify(osg::INFO)<<"Got ImageOptions"<<std::endl;
int margin = 0;
switch(imageOptions->_sourceImageWindowMode)
{
case(osgDB::ImageOptions::RATIO_WINDOW):
{
double desiredX = (double)dataWidth * imageOptions->_sourceRatioWindow.windowX;
double desiredY = (double)dataHeight * imageOptions->_sourceRatioWindow.windowY;
double desiredWidth = (double)dataWidth * imageOptions->_sourceRatioWindow.windowWidth;
double desiredHeight = (double)dataHeight * imageOptions->_sourceRatioWindow.windowHeight;
windowX = osg::maximum((int)(floor(desiredX))-margin,0);
windowY = osg::maximum((int)(floor(desiredY))-margin,0);
windowWidth = osg::minimum((int)(ceil(desiredX + desiredWidth))+margin,dataWidth)-windowX;
windowHeight = osg::minimum((int)(ceil(desiredY + desiredHeight))+margin,dataHeight)-windowY;
texCoordRange = new osgDB::ImageOptions::TexCoordRange;
texCoordRange->set((desiredX-(double)windowX)/(double)windowWidth,
((double)(windowY+windowHeight) -(desiredY+desiredHeight))/(double)windowHeight,
(desiredWidth)/(double)windowWidth,
(desiredHeight)/(double)windowHeight);
osg::notify(osg::INFO)<<"tex coord range "<<texCoordRange->_x<<" "<<texCoordRange->_y<<" "<<texCoordRange->_w<<" "<<texCoordRange->_h<<std::endl;
}
break;
case(osgDB::ImageOptions::PIXEL_WINDOW):
windowX = imageOptions->_sourcePixelWindow.windowX;
windowY = imageOptions->_sourcePixelWindow.windowY;
windowWidth = imageOptions->_sourcePixelWindow.windowWidth;
windowHeight = imageOptions->_sourcePixelWindow.windowHeight;
break;
default:
// leave source window dimensions as whole image.
break;
}
switch(imageOptions->_destinationImageWindowMode)
{
case(osgDB::ImageOptions::RATIO_WINDOW):
destX = (unsigned int)(floor((double)dataWidth * imageOptions->_destinationRatioWindow.windowX));
destY = (unsigned int)(floor((double)dataHeight * imageOptions->_destinationRatioWindow.windowY));
destWidth = (unsigned int)(ceil((double)dataWidth * (imageOptions->_destinationRatioWindow.windowX + imageOptions->_destinationRatioWindow.windowWidth)))-windowX;
destHeight = (unsigned int)(ceil((double)dataHeight * (imageOptions->_destinationRatioWindow.windowY + imageOptions->_destinationRatioWindow.windowHeight)))-windowY;
break;
case(osgDB::ImageOptions::PIXEL_WINDOW):
destX = imageOptions->_destinationPixelWindow.windowX;
destY = imageOptions->_destinationPixelWindow.windowY;
destWidth = imageOptions->_destinationPixelWindow.windowWidth;
destHeight = imageOptions->_destinationPixelWindow.windowHeight;
break;
default:
// leave source window dimensions as whole image.
break;
}
}
// windowX = 0;
// windowY = 0;
// windowWidth = destWidth;
// windowHeight = destHeight;
osg::notify(osg::INFO) << " windowX = "<<windowX<<std::endl;
osg::notify(osg::INFO) << " windowY = "<<windowY<<std::endl;
osg::notify(osg::INFO) << " windowWidth = "<<windowWidth<<std::endl;
osg::notify(osg::INFO) << " windowHeight = "<<windowHeight<<std::endl;
osg::notify(osg::INFO) << std::endl;
osg::notify(osg::INFO) << " destX = "<<destX<<std::endl;
osg::notify(osg::INFO) << " destY = "<<destY<<std::endl;
osg::notify(osg::INFO) << " destWidth = "<<destWidth<<std::endl;
osg::notify(osg::INFO) << " destHeight = "<<destHeight<<std::endl;
osg::notify(osg::INFO) << std::endl;
osg::notify(osg::INFO) << " GetRaterCount() "<< dataset->GetRasterCount()<<std::endl;
osg::notify(osg::INFO) << " GetProjectionRef() "<< dataset->GetProjectionRef()<<std::endl;
double geoTransform[6];
osg::notify(osg::INFO) << " GetGeoTransform == "<< dataset->GetGeoTransform(geoTransform)<<" == CE_None"<<std::endl;
osg::notify(osg::INFO) << " GetGeoTransform "<< std::endl;
osg::notify(osg::INFO) << " Origin = "<<geoTransform[0]<<" "<<geoTransform[3]<<std::endl;
osg::notify(osg::INFO) << " Pixel X = "<<geoTransform[1]<<" "<<geoTransform[4]<<std::endl;
osg::notify(osg::INFO) << " Pixel Y = "<<geoTransform[2]<<" "<<geoTransform[5]<<std::endl;
double TopLeft[2],BottomLeft[2],BottomRight[2],TopRight[2];
TopLeft[0] = geoTransform[0];
TopLeft[1] = geoTransform[1];
BottomLeft[0] = TopLeft[0]+geoTransform[2]*(dataHeight-1);
BottomLeft[1] = TopLeft[1]+geoTransform[5]*(dataHeight-1);
BottomRight[0] = BottomLeft[0]+geoTransform[1]*(dataWidth-1);
BottomRight[1] = BottomLeft[1]+geoTransform[4]*(dataWidth-1);
TopRight[0] = TopLeft[0]+geoTransform[1]*(dataWidth-1);
TopRight[1] = TopLeft[1]+geoTransform[4]*(dataWidth-1);
osg::notify(osg::INFO) << "TopLeft "<<TopLeft[0]<<"\t"<<TopLeft[1]<<std::endl;
osg::notify(osg::INFO) << "BottomLeft "<<BottomLeft[0]<<"\t"<<BottomLeft[1]<<std::endl;
osg::notify(osg::INFO) << "BottomRight "<<BottomRight[0]<<"\t"<<BottomRight[1]<<std::endl;
osg::notify(osg::INFO) << "TopRight "<<TopRight[0]<<"\t"<<TopRight[1]<<std::endl;
osg::notify(osg::INFO)<<" GDALGetGCPCount "<<dataset->GetGCPCount()<<std::endl;
int numBands = dataset->GetRasterCount();
GDALRasterBand* bandGray = 0;
GDALRasterBand* bandRed = 0;
GDALRasterBand* bandGreen = 0;
GDALRasterBand* bandBlue = 0;
GDALRasterBand* bandAlpha = 0;
for(int b=1;b<=numBands;++b)
{
GDALRasterBand* band = dataset->GetRasterBand(b);
osg::notify(osg::INFO) << " Band "<<b<<std::endl;
osg::notify(osg::INFO) << " GetOverviewCount() = "<< band->GetOverviewCount()<<std::endl;
osg::notify(osg::INFO) << " GetColorTable() = "<< band->GetColorTable()<<std::endl;
osg::notify(osg::INFO) << " DataTypeName() = "<< GDALGetDataTypeName(band->GetRasterDataType())<<std::endl;
osg::notify(osg::INFO) << " ColorIntepretationName() = "<< GDALGetColorInterpretationName(band->GetColorInterpretation())<<std::endl;
osg::notify(osg::INFO) << std::endl;
osg::notify(osg::INFO) << " GetNoDataValue() = "<< band->GetNoDataValue()<<std::endl;
osg::notify(osg::INFO) << " GetMinimum() = "<< band->GetMinimum()<<std::endl;
osg::notify(osg::INFO) << " GetMaximum() = "<< band->GetMaximum()<<std::endl;
osg::notify(osg::INFO) << " GetOffset() = "<< band->GetOffset()<<std::endl;
osg::notify(osg::INFO) << " GetScale() = "<< band->GetScale()<<std::endl;
osg::notify(osg::INFO) << " GetUnitType() = '"<< band->GetUnitType()<<"'"<<std::endl;
if (band->GetColorInterpretation()==GCI_GrayIndex) bandGray = band;
else if (band->GetColorInterpretation()==GCI_RedBand) bandRed = band;
else if (band->GetColorInterpretation()==GCI_GreenBand) bandGreen = band;
else if (band->GetColorInterpretation()==GCI_BlueBand) bandBlue = band;
else if (band->GetColorInterpretation()==GCI_AlphaBand) bandAlpha = band;
else bandGray = band;
}
GDALRasterBand* bandSelected = 0;
if (!bandSelected && bandGray) bandSelected = bandGray;
else if (!bandSelected && bandAlpha) bandSelected = bandAlpha;
else if (!bandSelected && bandRed) bandSelected = bandRed;
else if (!bandSelected && bandGreen) bandSelected = bandGreen;
else if (!bandSelected && bandBlue) bandSelected = bandBlue;
if (bandSelected)
{
osg::HeightField* hf = new osg::HeightField;
hf->allocate(destWidth,destHeight);
bandSelected->RasterIO(GF_Read,windowX,windowY,windowWidth,windowHeight,(void*)(&(hf->getHeightList().front())),destWidth,destHeight,GDT_Float32,0,0);
// now need to flip since the OSG's origin is in lower left corner.
osg::notify(osg::INFO)<<"flipping"<<std::endl;
unsigned int copy_r = hf->getNumRows()-1;
for(unsigned int r=0;r<copy_r;++r,--copy_r)
{
for(unsigned int c=0;c<hf->getNumColumns();++c)
{
float temp = hf->getHeight(c,r);
hf->setHeight(c,r,hf->getHeight(c,copy_r));
hf->setHeight(c,copy_r,temp);
}
}
return hf;
}
return ReadResult::FILE_NOT_HANDLED;
}
void initGDAL()
{
static bool s_initialized = false;
if (!s_initialized)
{
s_initialized = true;
GDALAllRegister();
}
}
mutable OpenThreads::ReentrantMutex _serializerMutex;
};
// now register with Registry to instantiate the above
// reader/writer.
osgDB::RegisterReaderWriterProxy<ReaderWriterGDAL> g_readerWriter_GDAL_Proxy;