#include <ray.h>
Inheritance diagram for AverageTRI:
Public Methods | |
| AverageTRI () | |
| ~AverageTRI () | |
| bool | CastNext () |
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Definition at line 137 of file ray.h.
00137 {};
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Definition at line 138 of file ray.h.
00138 {};
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Reimplemented from FirstHitTRI. Definition at line 584 of file ray.cpp. References FirstHitTRI::GetDensity(), Transfunc::GetDensityColor(), Transfunc::GetOpacity(), VECTOR::length(), Ray::m_alpha, Ray::m_backgroundcolor, Ray::m_currentcolor, Ray::m_currentpos, Ray::m_data, Ray::m_direction, Ray::m_radius, Ray::m_startpoint, Ray::m_steplength, Ray::m_tf, Ray::mx, Ray::my, Ray::mz, ROUND, VECTOR::x, VECTOR::y, and VECTOR::z.
00584 {
00585 if(m_data == NULL) return false;
00586 if(m_tf == NULL) return false;
00587 int sum = 0;
00588 int counter = 0;
00589 int step_count = 0;
00590 VECTOR distancetomidpoint = VECTOR(mx/2.0f,my/2.0f,mz/2.0f)-m_currentpos;
00591 int steps = (int)((distancetomidpoint.length() + m_radius)/m_steplength);
00592 bool first = true;
00593 do {
00594
00595 if((m_currentpos.x >= 0.0)&&(m_currentpos.y >= 0.0)&&(m_currentpos.z >= 0.0)&&(m_currentpos.x < mx)&&(m_currentpos.y < my)&&(m_currentpos.z < mz)) {
00596 if(first) {
00597 m_startpoint = VECTOR(m_currentpos.x,m_currentpos.y,m_currentpos.z);
00598 first = false;
00599 }
00600 float d = GetDensity(m_currentpos);
00601 sum += (int)d;
00602 counter++;
00603
00604 }
00605 m_currentpos += m_steplength*m_direction;
00606 step_count++;
00607 }while(step_count <= steps);
00608 int density = ROUND(sum/counter);
00609 m_currentcolor = m_tf->GetDensityColor(density);
00610 m_alpha = m_tf->GetOpacity(density);
00611 if(density == 0) {
00612 m_currentcolor = Color(0,0,0);
00613 m_alpha = 1.0;
00614 }
00615 if(m_alpha < 1.0 ) {
00616 m_currentcolor += m_backgroundcolor*(1.0f-m_alpha);
00617 }
00618 return true;
00619 } |
1.3-rc2