lg_Void_t lg_gte_apperture_point(
lg_Real_t * const lgePointX,
lg_Real_t * const lgePointY,
lg_Size_t const lgeWidth,
lg_Size_t const lgeHeight,
lg_Real_t const lgrPointX,
lg_Real_t const lgrPointY,
lg_Size_t const lgrWidth,
lg_Size_t const lgrHeight,
lg_Real_t const lgAzim,
lg_Real_t const lgElev,
lg_Real_t const lgRoll,
lg_Real_t const lgApper
) { lg_gtt_generic_point(
lgePointX,
lgePointY,
lgrPointX,
lgrPointY,
lg_Real_c( lgrWidth ) / lg_Real_s( 2.0 ),
lg_Real_c( lgrHeight ) / lg_Real_s( 2.0 ),
lgeWidth,
lgeHeight,
lg_Real_s( 0.0 ),
lg_Real_s( 0.0 ),
lgAzim,
lgElev,
lgRoll,
lg_Real_s( 1.0 ),
lg_Real_s( 2.0 ) * tan( lgApper / lg_Real_s( 2.0 ) ) / lgrWidth
); }
lg_Void_t lg_gtt_centerp(
li_C8_t * const lgeBitmap,
lg_Size_t const lgeWidth,
lg_Size_t const lgeHeight,
lg_Size_t const lgeLayers,
li_C8_t const * const lgrBitmap,
lg_Size_t const lgrWidth,
lg_Size_t const lgrHeight,
lg_Size_t const lgrLayers,
lg_Size_t const lgmWidth,
lg_Size_t const lgmHeight,
lg_Size_t const lgmCornerX,
lg_Size_t const lgmCornerY,
lg_Real_t const lgAzim,
lg_Real_t const lgElev,
lg_Real_t const lgRoll,
lg_Real_t const lgFocal,
lg_Real_t const lgPixel,
li_Method_t const lgInter,
lg_Size_t const lgThread
) { lg_gtt_genericp(
lgeBitmap,
lgeWidth,
lgeHeight,
lgeLayers,
lgrBitmap,
lgrWidth,
lgrHeight,
lgrLayers,
lg_Real_c( lgrWidth ) / lg_Real_s( 2.0 ),
lg_Real_c( lgrHeight ) / lg_Real_s( 2.0 ),
lgmWidth,
lgmHeight,
lgmCornerX,
lgmCornerY,
lgAzim,
lgElev,
lgRoll,
lgFocal,
lgPixel,
lgInter,
lgThread
); }
lg_Void_t lg_gte_apperturep(
li_C8_t * const lgeBitmap,
lg_Size_t const lgeWidth,
lg_Size_t const lgeHeight,
lg_Size_t const lgeLayers,
li_C8_t const * const lgrBitmap,
lg_Size_t const lgrWidth,
lg_Size_t const lgrHeight,
lg_Size_t const lgrLayers,
lg_Real_t const lgAzim,
lg_Real_t const lgElev,
lg_Real_t const lgRoll,
lg_Real_t const lgApper,
li_Method_t const lgInter,
lg_Size_t const lgThread
) { lg_gtt_genericp(
lgeBitmap,
lgeWidth,
lgeHeight,
lgeLayers,
lgrBitmap,
lgrWidth,
lgrHeight,
lgrLayers,
lg_Real_c( lgrWidth ) / lg_Real_s( 2.0 ),
lg_Real_c( lgrHeight ) / lg_Real_s( 2.0 ),
lgeWidth,
lgeHeight,
lg_Real_s( 0.0 ),
lg_Real_s( 0.0 ),
lgAzim,
lgElev,
lgRoll,
lg_Real_s( 1.0 ),
lg_Real_s( 2.0 ) * tan( lgApper / lg_Real_s( 2.0 ) ) / lgrWidth,
lgInter,
lgThread
); }
lg_Void_t lg_gtt_center_point(
lg_Real_t * const lgePointX,
lg_Real_t * const lgePointY,
lg_Real_t const lgrPointX,
lg_Real_t const lgrPointY,
lg_Size_t const lgrWidth,
lg_Size_t const lgrHeight,
lg_Size_t const lgmWidth,
lg_Size_t const lgmHeight,
lg_Size_t const lgmCornerX,
lg_Size_t const lgmCornerY,
lg_Real_t const lgAzim,
lg_Real_t const lgElev,
lg_Real_t const lgRoll,
lg_Real_t const lgFocal,
lg_Real_t const lgPixel
) { lg_gtt_generic_point(
lgePointX,
lgePointY,
lgrPointX,
lgrPointY,
lg_Real_c( lgrWidth ) / lg_Real_s( 2.0 ),
lg_Real_c( lgrHeight ) / lg_Real_s( 2.0 ),
lgmWidth,
lgmHeight,
lgmCornerX,
lgmCornerY,
lgAzim,
lgElev,
lgRoll,
lgFocal,
lgPixel
); }
lg_Void_t lg_gtt_genericp_f(
float * const lgeBitmap,
lg_Size_t const lgeWidth,
lg_Size_t const lgeHeight,
lg_Size_t const lgeLayers,
float const * const lgrBitmap,
lg_Size_t const lgrWidth,
lg_Size_t const lgrHeight,
lg_Size_t const lgrLayers,
lg_Real_t const lgrSightX,
lg_Real_t const lgrSightY,
lg_Size_t const lgmWidth,
lg_Size_t const lgmHeight,
lg_Size_t const lgmCornerX,
lg_Size_t const lgmCornerY,
lg_Real_t const lgAzim,
lg_Real_t const lgElev,
lg_Real_t const lgRoll,
lg_Real_t const lgFocal,
lg_Real_t const lgPixel,
li_Method_tf const lgInter,
lg_Size_t const lgThread
) {
/* Coordinates variables */
lg_Size_t lgDX = lg_Size_s( 0 );
lg_Size_t lgDY = lg_Size_s( 0 );
lg_Real_t lgSX = lg_Real_s( 0.0 );
lg_Real_t lgSY = lg_Real_s( 0.0 );
/* Position vector variables */
lg_Real_t lgPvi[3] = { lg_Real_s( 0.0 ) };
lg_Real_t lgPvf[3] = { lg_Real_s( 0.0 ) };
/* Rotation matrix variables */
lg_Real_t lgMat[3][3] = { { lg_Real_s( 0.0 ) } };
/* Optimization variables */
lg_Size_t lgmEdgeX = lgmWidth - lg_Size_s( 1 );
lg_Size_t lgmEdgeY = lgmHeight - lg_Size_s( 1 );
/* Transparency variables */
lg_Real_t lgWeiA = lg_Real_s( 0.0 );
lg_Real_t lgWeiB = lg_Real_s( 0.0 );
/* Alpha channel variables */
li_C8_t lgAlpha = li_C8_s( 0 );
/* Bitmap padding variable */
lg_Size_t lgePad = LG_B4PAD( lgeWidth * lgeLayers );
/* Compute rotation matrix */
lg_algebra_e2rrotation( lgMat, lgAzim, lgElev, lgRoll );
/* Rectilinear pixels y-loop */
# ifdef __OPENMP__
# pragma omp parallel private(lgDX,lgDY,lgSX,lgSY,lgPvi,lgPvf,lgAlpha,lgWeiA,lgWeiB) firstprivate(lgmEdgeX,lgmEdgeY,lgePad,lgMat) num_threads( lgThread )
{
# pragma omp for
# endif
for ( lgDY = lg_Size_s( 0 ); lgDY < lgeHeight; lgDY ++ ) {
/* Rectilinear pixels x-loop */
for ( lgDX = lg_Size_s( 0 ); lgDX < lgeWidth; lgDX ++ ) {
/* Compute mapping pixel angular coordinates */
lgSX = + ( ( lg_Real_c( lgDX + lgmCornerX ) / lgmEdgeX ) * LG_PI2 );
lgSY = + ( ( lg_Real_c( lgDY + lgmCornerY ) / lgmEdgeY ) - lg_Real_s( 0.5 ) ) * LG_PI;
/* Compute pixel position in 3d-frame */
lgPvi[0] = cos( lgSY );
lgPvi[1] = lgPvi[0] * sin( lgSX );
lgPvi[0] = lgPvi[0] * cos( lgSX );
lgPvi[2] = sin( lgSY );
/* Compute rotated pixel position in 3d-frame */
lgPvf[0] = lgMat[0][0] * lgPvi[0] + lgMat[0][1] * lgPvi[1] + lgMat[0][2] * lgPvi[2];
/* Positivity of x-axis check */
if ( lgPvf[0] > lg_Real_s( 0.0 ) ) {
/* Compute rotated pixel position in 3d-frame */
lgPvf[1] = lgMat[1][0] * lgPvi[0] + lgMat[1][1] * lgPvi[1] + lgMat[1][2] * lgPvi[2];
lgPvf[2] = lgMat[2][0] * lgPvi[0] + lgMat[2][1] * lgPvi[1] + lgMat[2][2] * lgPvi[2];
/* Retrieve rectilinear (x,y)-coordinates */
lgSX = + ( ( lgPvf[1] / lgPvf[0] ) * lgFocal ) / lgPixel + lgrSightX;
lgSY = + ( ( lgPvf[2] / lgPvf[0] ) * lgFocal ) / lgPixel + lgrSightY;
/* Verify coordinates range */
if ( ( lgSX >= lg_Real_s( 0.0 ) ) && ( lgSY >= lg_Real_s( 0.0 ) ) && ( lgSX < lgrWidth ) && ( lgSY < lgrHeight ) ) {
/* Transparency management */
if ( lgrLayers == lg_Size_s( 4 ) ) {
/* Obtain alpha value and compute direct transparency weight */
lgAlpha = lgInter( ( float * ) lgrBitmap, lgrWidth, lgrHeight, lgrLayers, lg_Size_s( 3 ), lgSX, lgSY );
/* Compute transparency weights */
lgWeiA = lg_Real_c( lgAlpha ) / lg_Real_s( 255.0 );
lgWeiB = lg_Real_s( 1.0 ) - lgWeiA;
/* Assign interpolated pixel */
LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 0 ) ) = lgInter(
( float * ) lgrBitmap,
lgrWidth,
lgrHeight,
lgrLayers,
lg_Size_s( 0 ),
lgSX,
lgSY
) * lgWeiA + LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 0 ) ) * lgWeiB;
/* Assign interpolated pixel */
LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 1 ) ) = lgInter(
( float * ) lgrBitmap,
lgrWidth,
lgrHeight,
lgrLayers,
lg_Size_s( 1 ),
lgSX,
lgSY
) * lgWeiA + LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 1 ) ) * lgWeiB;
/* Assign interpolated pixel */
LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 2 ) ) = lgInter(
( float * ) lgrBitmap,
lgrWidth,
lgrHeight,
lgrLayers,
lg_Size_s( 2 ),
lgSX,
lgSY
) * lgWeiA + LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 2 ) ) * lgWeiB;
/* Assign transparency pixel */
if ( lgeLayers == 4 ) LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 3 ) ) = lgAlpha;
} else {
/* Assign interpolated pixel */
LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 0 ) ) = lgInter(
( float * ) lgrBitmap,
lgrWidth,
lgrHeight,
lgrLayers,
lg_Size_s( 0 ),
lgSX,
lgSY
);
/* Assign interpolated pixel */
LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 1 ) ) = lgInter(
( float * ) lgrBitmap,
lgrWidth,
lgrHeight,
lgrLayers,
lg_Size_s( 1 ),
lgSX,
lgSY
);
/* Assign interpolated pixel */
LG_B4( lgeBitmap, lgePad, lgeLayers, lgDX, lgDY, lg_Size_s( 2 ) ) = lgInter(
( float * ) lgrBitmap,
lgrWidth,
lgrHeight,
lgrLayers,
lg_Size_s( 2 ),
lgSX,
lgSY
);
}
}
}
}
}
# ifdef __OPENMP__
}
# endif
}
