Skip to content

Move T3 charge calculation #211

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
jchismar wants to merge 1 commit into from
Closed

Move T3 charge calculation #211

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
24 changes: 12 additions & 12 deletions RecoTracker/LSTCore/src/alpaka/Triplet.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,18 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE::lst {
//use linear approximation for regions 9 and 20-24 because it works better (see https://github.com/SegmentLinking/cmssw/pull/92)
float residual = alpaka::math::abs(acc, z2 - ((z3 - z1) / (r3 - r1) * (r2 - r1) + z1));

//get the x,y position of each MD
const float x1 = mds.anchorX()[firstMDIndex] / 100;
const float x2 = mds.anchorX()[secondMDIndex] / 100;
const float x3 = mds.anchorX()[thirdMDIndex] / 100;

const float y1 = mds.anchorY()[firstMDIndex] / 100;
const float y2 = mds.anchorY()[secondMDIndex] / 100;
const float y3 = mds.anchorY()[thirdMDIndex] / 100;

float cross = (x2 - x1) * (y3 - y1) - (y2 - y1) * (x3 - x1);
short charge = -1 * ((int)copysignf(1.0f, cross));

//region definitions: https://github.com/user-attachments/assets/2b3c1425-66eb-4524-83de-deb6f3b31f71
if (layer1 == 1 && layer2 == 7) {
return residual < 0.01f; // Region 9
Expand All @@ -121,15 +133,6 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE::lst {
//get the type of module: 0 is ps, 1 is 2s
const bool moduleType3 = modules.moduleType()[outerOuterLowerModuleIndex];

//get the x,y position of each MD
const float x1 = mds.anchorX()[firstMDIndex] / 100;
const float x2 = mds.anchorX()[secondMDIndex] / 100;
const float x3 = mds.anchorX()[thirdMDIndex] / 100;

const float y1 = mds.anchorY()[firstMDIndex] / 100;
const float y2 = mds.anchorY()[secondMDIndex] / 100;
const float y3 = mds.anchorY()[thirdMDIndex] / 100;

//set initial and target points
float x_init = x2;
float y_init = y2;
Expand Down Expand Up @@ -165,9 +168,6 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE::lst {
float y_center = circleCenterY / 100;
float pt = 2 * k2Rinv1GeVf * circleRadius; //k2Rinv1GeVf is already in cm^(-1)

float cross = (x2 - x1) * (y3 - y1) - (y2 - y1) * (x3 - x1);
short charge = -1 * ((int)copysignf(1.0f, cross));

//get the px and py at the initial point
float px = 2 * charge * k2Rinv1GeVf * (y_init - y_center) * 100;
float py = -2 * charge * k2Rinv1GeVf * (x_init - x_center) * 100;
Expand Down