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// Make the change for "big" pixels. 3/06 d.k.
#include "Geometry/TrackerGeometryBuilder/interface/PixelPhase2TopologyBuilder.h"
#include "Geometry/TrackerGeometryBuilder/interface/RectangularPixelPhase2Topology.h"
#include "DataFormats/GeometrySurface/interface/Bounds.h"
PixelPhase2TopologyBuilder::PixelPhase2TopologyBuilder(void) {}
PixelTopology* PixelPhase2TopologyBuilder::build(const Bounds* bs,
int pixelROCRows, // Num of Rows per ROC
int pixelROCCols, // Num of Cols per ROC
int BIG_PIX_PER_ROC_X, // in x direction, rows.
int BIG_PIX_PER_ROC_Y, // in y direction, cols.
float BIG_PIX_PITCH_X,
float BIG_PIX_PITCH_Y,
int pixelROCsInX,
int pixelROCsInY) {
float width = bs->width(); // module width = Xsize
float length = bs->length(); // module length = Ysize
// Number of pixel rows (x) and columns (y) per module
int nrows = pixelROCRows * pixelROCsInX;
int ncols = pixelROCCols * pixelROCsInY;
// Take into account the large edge pixels
float pitchX =
(width - pixelROCsInX * BIG_PIX_PER_ROC_X * BIG_PIX_PITCH_X) / (nrows - pixelROCsInX * BIG_PIX_PER_ROC_X);
float pitchY =
(length - pixelROCsInY * BIG_PIX_PER_ROC_Y * BIG_PIX_PITCH_Y) / (ncols - pixelROCsInY * BIG_PIX_PER_ROC_Y);
if (BIG_PIX_PER_ROC_X == 0)
BIG_PIX_PITCH_X =
pitchX; // should then be either the exact one for Big Pixels or the expected one in the old geometry
if (BIG_PIX_PER_ROC_Y == 0)
BIG_PIX_PITCH_Y = pitchY;
return (new RectangularPixelPhase2Topology(nrows,
ncols,
pitchX,
pitchY,
pixelROCRows, // (int)rocRow
pixelROCCols, // (int)rocCol
BIG_PIX_PER_ROC_X,
BIG_PIX_PER_ROC_Y,
BIG_PIX_PITCH_X,
BIG_PIX_PITCH_Y,
pixelROCsInX,
pixelROCsInY)); // (int)rocInX, (int)rocInY
}
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