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geant4/source/externals/g4tools/include/tools/sg/markers
T
Gabriele Cosmo b4a16de652 Import Geant4 11.4.0 source tree
2025-12-05 08:54:02 +01:00

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
#ifndef tools_sg_markers
#define tools_sg_markers
#include "node"
#include "sf_enum"
#include "mf"
#include "render_action"
#include "pick_action"
#include "bbox_action"
#include "../mathf"
#include "../lina/vec2f"
#include "../lina/geom2"
namespace tools {
namespace sg {
class markers : public node {
TOOLS_NODE(markers,tools::sg::markers,node)
public:
sf_enum<marker_style> style;
mf<float> xyzs; //[x,y,z]
sf<float> size; //horizontal size in pixels.
public:
virtual const desc_fields& node_desc_fields() const {
TOOLS_FIELD_DESC_NODE_CLASS(tools::sg::markers)
static const desc_fields s_v(parent::node_desc_fields(),3, //WARNING : take care of count.
TOOLS_ARG_FIELD_DESC(style),
TOOLS_ARG_FIELD_DESC(xyzs),
TOOLS_ARG_FIELD_DESC(size)
);
return s_v;
}
private:
void add_fields(){
add_field(&style);
add_field(&xyzs);
add_field(&size);
}
public:
virtual bool draw_in_frame_buffer() const {return true;}
virtual void render(render_action& a_action) {
size_t num = xyzs.size()/3;
if(!num) return;
//NOTE : gstos would not work because of project_point() that must be done at each render().
const state& state = a_action.state();
const std::vector<float>& _xyzs = xyzs.values();
std::vector<float> pts;
float sx = size.value()/float(state.m_ww); //in [-1,1]
float hsx = sx*0.5f;
float sy = size.value()/float(state.m_wh); //in [-1,1]
float hsy = sy*0.5f;
float rad = hsx;
float hsx2 = hsx*0.5f;
float hsy2 = hsy*0.5f;
float x,y,z,w;
bool filled = false;
if(style.value()==marker_circle_line) {
unsigned int segs = 16;
float _cos[16];float _sin[16];
float dtheta = ftwo_pi()/float(segs);
float theta = dtheta;
{for(unsigned int i=0;i<segs;i++,theta+=dtheta) {_cos[i] = rad*fcos(theta);_sin[i] = rad*fsin(theta);}}
float xprev,yprev,xnext,ynext;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
xprev = x+rad;
yprev = y;
for(unsigned int i=0;i<segs;i++) {
xnext = x+_cos[i];
ynext = y+_sin[i];
_add(pts,xprev,yprev,z);
_add(pts,xnext,ynext,z);
xprev = xnext;
yprev = ynext;
}
}
} else if(style.value()==marker_circle_filled) {
filled = true;
unsigned int segs = 16;
float _cos[16];float _sin[16];
float dtheta = ftwo_pi()/float(segs);
float theta = dtheta;
{for(unsigned int i=0;i<segs;i++,theta+=dtheta) {_cos[i] = rad*fcos(theta);_sin[i] = rad*fsin(theta);}}
float xprev,yprev,xnext,ynext;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
xprev = x+rad;
yprev = y;
for(unsigned int i=0;i<segs;i++) {
xnext = x+_cos[i];
ynext = y+_sin[i];
_add(pts,x ,y ,z);
_add(pts,xprev,yprev,z);
_add(pts,xnext,ynext,z);
xprev = xnext;
yprev = ynext;
}
}
} else if(style.value()==marker_square_line) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y-hsy,z);
_add(pts, x+hsx,y-hsy,z);
_add(pts, x+hsx,y-hsy,z);
_add(pts, x+hsx,y+hsy,z);
_add(pts, x+hsx,y+hsy,z);
_add(pts, x-hsx,y+hsy,z);
_add(pts, x-hsx,y+hsy,z);
_add(pts, x-hsx,y-hsy,z);
}
} else if((style.value()==marker_square_filled)||(style.value()==marker_dot)) {
filled = true;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y-hsy,z);
_add(pts, x+hsx,y-hsy,z);
_add(pts, x+hsx,y+hsy,z);
_add(pts, x-hsx,y-hsy,z);
_add(pts, x+hsx,y+hsy,z);
_add(pts, x-hsx,y+hsy,z);
}
} else if(style.value()==marker_triangle_up_line) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y-hsy,z);
_add(pts, x+hsx,y-hsy,z);
_add(pts, x+hsx,y-hsy,z);
_add(pts, x ,y+hsy,z);
_add(pts, x ,y+hsy,z);
_add(pts, x-hsx,y-hsy,z);
}
} else if(style.value()==marker_triangle_up_filled) {
filled = true;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y-hsy,z);
_add(pts, x+hsx,y-hsy,z);
_add(pts, x ,y+hsy,z);
}
} else if(style.value()==marker_triangle_down_line) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y+hsy,z);
_add(pts, x ,y-hsy,z);
_add(pts, x ,y-hsy,z);
_add(pts, x+hsx,y+hsy,z);
_add(pts, x+hsx,y+hsy,z);
_add(pts, x-hsx,y+hsy,z);
}
} else if(style.value()==marker_triangle_down_filled) {
filled = true;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y+hsy,z);
_add(pts, x ,y-hsy,z);
_add(pts, x+hsx,y+hsy,z);
}
} else if(style.value()==marker_diamond_line) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x ,y-hsy,z);
_add(pts, x+hsx, y,z);
_add(pts, x+hsx, y,z);
_add(pts, x ,y+hsy,z);
_add(pts, x ,y+hsy,z);
_add(pts, x-hsx,y ,z);
_add(pts, x-hsx,y ,z);
_add(pts, x ,y-hsy,z);
}
} else if(style.value()==marker_diamond_filled) {
filled = true;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x ,y-hsy,z);
_add(pts, x+hsx, y,z);
_add(pts, x ,y+hsy,z);
_add(pts, x ,y+hsy,z);
_add(pts, x-hsx,y ,z);
_add(pts, x ,y-hsy,z);
}
} else if(style.value()==marker_swiss_cross_line) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx2,y-hsy,z);
_add(pts, x+hsx2,y-hsy,z);
_add(pts, x+hsx2,y-hsy ,z);
_add(pts, x+hsx2,y-hsy2,z);
_add(pts, x+hsx2,y-hsy2,z);
_add(pts, x+hsx ,y-hsy2,z);
_add(pts, x+hsx ,y-hsy2,z);
_add(pts, x+hsx ,y+hsy2,z);
_add(pts, x+hsx ,y+hsy2,z);
_add(pts, x+hsx2,y+hsy2,z);
_add(pts, x+hsx2,y+hsy2,z);
_add(pts, x+hsx2,y+hsy ,z);
_add(pts, x+hsx2,y+hsy ,z);
_add(pts, x-hsx2,y+hsy ,z);
_add(pts, x-hsx2,y+hsy ,z);
_add(pts, x-hsx2,y+hsy2,z);
_add(pts, x-hsx2,y+hsy2,z);
_add(pts, x-hsx ,y+hsy2,z);
_add(pts, x-hsx ,y+hsy2,z);
_add(pts, x-hsx ,y-hsy2,z);
_add(pts, x-hsx ,y-hsy2,z);
_add(pts, x-hsx2,y-hsy2,z);
_add(pts, x-hsx2,y-hsy2,z);
_add(pts, x-hsx2,y-hsy, z);
}
} else if(style.value()==marker_swiss_cross_filled) {
filled = true;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx2,y-hsy,z);
_add(pts, x+hsx2,y-hsy,z);
_add(pts, x+hsx2,y+hsy,z);
_add(pts, x+hsx2,y+hsy,z);
_add(pts, x-hsx2,y+hsy,z);
_add(pts, x-hsx2,y-hsy,z);
_add(pts, x-hsx ,y-hsy2,z);
_add(pts, x+hsx ,y-hsy2,z);
_add(pts, x+hsx ,y+hsy2,z);
_add(pts, x+hsx ,y+hsy2,z);
_add(pts, x-hsx ,y+hsy2,z);
_add(pts, x-hsx ,y-hsy2,z);
}
} else if(style.value()==marker_david_star_line) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y-hsy2,z);
_add(pts, x+hsx,y-hsy2,z);
_add(pts, x+hsx,y-hsy2,z);
_add(pts, x ,y+hsy ,z);
_add(pts, x ,y+hsy ,z);
_add(pts, x-hsx,y-hsy2,z);
_add(pts, x+hsx,y+hsy2,z);
_add(pts, x-hsx,y+hsy2,z);
_add(pts, x-hsx,y+hsy2,z);
_add(pts, x ,y-hsy ,z);
_add(pts, x ,y-hsy ,z);
_add(pts, x+hsx,y+hsy2,z);
}
} else if(style.value()==marker_david_star_filled) {
filled = true;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y-hsy2,z);
_add(pts, x+hsx,y-hsy2,z);
_add(pts, x ,y+hsy ,z);
_add(pts, x+hsx,y+hsy2,z);
_add(pts, x-hsx,y+hsy2,z);
_add(pts, x ,y-hsy ,z);
}
} else if(style.value()==marker_penta_star_line) {
float _cos[5];float _sin[5];
float dtheta = ftwo_pi()/5.0f;
float theta = fhalf_pi();
{for(unsigned int i=0;i<5;i++,theta+=dtheta) {_cos[i] = rad*fcos(theta);_sin[i] = rad*fsin(theta);}}
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x+_cos[0],y+_sin[0] ,z);
_add(pts, x+_cos[2],y+_sin[2] ,z);
_add(pts, x+_cos[2],y+_sin[2] ,z);
_add(pts, x+_cos[4],y+_sin[4] ,z);
_add(pts, x+_cos[4],y+_sin[4] ,z);
_add(pts, x+_cos[1],y+_sin[1] ,z);
_add(pts, x+_cos[1],y+_sin[1] ,z);
_add(pts, x+_cos[3],y+_sin[3] ,z);
_add(pts, x+_cos[3],y+_sin[3] ,z);
_add(pts, x+_cos[0],y+_sin[0] ,z);
}
} else if(style.value()==marker_penta_star_filled) {
filled = true;
float _cos[5];float _sin[5];
float dtheta = ftwo_pi()/5.0f;
float theta = fhalf_pi();
{for(unsigned int i=0;i<5;i++,theta+=dtheta) {_cos[i] = rad*fcos(theta);_sin[i] = rad*fsin(theta);}}
vec2f i3;
{vec2f p1(_cos[2],_sin[2]);
vec2f q1(_cos[4],_sin[4]);
vec2f p2(_cos[3],_sin[3]);
vec2f q2(_cos[0],_sin[0]);
if(!intersect(p1,q1,p2,q2,i3)) {}}
vec2f i4;
{vec2f p1(_cos[1],_sin[1]);
vec2f q1(_cos[4],_sin[4]);
vec2f p2(_cos[3],_sin[3]);
vec2f q2(_cos[0],_sin[0]);
if(!intersect(p1,q1,p2,q2,i4)) {}}
vec2f i0;
{vec2f p1(_cos[1],_sin[1]);
vec2f q1(_cos[4],_sin[4]);
vec2f p2(_cos[0],_sin[0]);
vec2f q2(_cos[2],_sin[2]);
if(!intersect(p1,q1,p2,q2,i0)) {}}
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x+_cos[0],y+_sin[0] ,z);
_add(pts, x+_cos[2],y+_sin[2] ,z);
_add(pts, x+ i3.x(),y+ i3.y() ,z);
_add(pts, x+_cos[1],y+_sin[1] ,z);
_add(pts, x+_cos[3],y+_sin[3] ,z);
_add(pts, x+ i4.x(),y+ i4.y() ,z);
_add(pts, x+ i0.x(),y+ i0.y() ,z);
_add(pts, x+_cos[2],y+_sin[2] ,z);
_add(pts, x+_cos[4],y+_sin[4] ,z);
}
} else if(style.value()==marker_plus) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y,z);
_add(pts, x+hsx,y,z);
_add(pts, x ,y-hsy,z);
_add(pts, x ,y+hsy,z);
}
} else if(style.value()==marker_asterisk) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x ,y-hsy ,z);
_add(pts, x ,y+hsy ,z);
_add(pts, x-hsx,y-hsy2,z);
_add(pts, x+hsx,y+hsy2,z);
_add(pts, x-hsx,y+hsy2,z);
_add(pts, x+hsx,y-hsy2,z);
}
} else if(style.value()==marker_star) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x ,y-hsy ,z);
_add(pts, x ,y+hsy ,z);
_add(pts, x-hsx,y-hsy2,z);
_add(pts, x+hsx,y+hsy2,z);
_add(pts, x-hsx,y+hsy2,z);
_add(pts, x+hsx,y-hsy2,z);
_add(pts, x-hsx,y ,z);
_add(pts, x+hsx,y ,z);
}
} else if(style.value()==marker_minus) {
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y,z);
_add(pts, x+hsx,y,z);
}
} else { //marker_cross.
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y-hsy,z);
_add(pts, x+hsx,y+hsy,z);
_add(pts, x+hsx,y-hsy,z);
_add(pts, x-hsx,y+hsy,z);
}
}
a_action.load_matrices_to_identity();
//Same logic as Inventor SoLightModel.model = BASE_COLOR.
a_action.set_lighting(false);
a_action.draw_vertex_array(filled?gl::triangles():gl::lines(),pts);
a_action.set_lighting(a_action.state().m_GL_LIGHTING);
a_action.load_matrices_from_state();
}
virtual void pick(pick_action& a_action) {
size_t num = xyzs.size()/3;
if(!num) return;
state& state = a_action.state();
const std::vector<float>& _xyzs = xyzs.values();
std::vector<float> pts;
float sx = size.value()/float(state.m_ww); //in [-1,1]
float hsx = sx*0.5f;
float sy = size.value()/float(state.m_wh); //in [-1,1]
float hsy = sy*0.5f;
float x,y,z,w;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.project_point(x,y,z,w); //in [-1,1][-1,1]
_add(pts, x-hsx,y-hsy,z); //in [-1,1][-1,1]
_add(pts, x+hsx,y+hsy,z);
_add(pts, x+hsx,y-hsy,z);
_add(pts, x-hsx,y+hsy,z);
}
a_action.set_matrices_to_identity();
a_action.add__lines(*this,pts);
a_action.set_matrices_from_state();
}
virtual void bbox(bbox_action& a_action) {
const std::vector<float>& _xyzs = xyzs.values();
float x,y,z;
std::vector<float>::const_iterator it;
for(it=_xyzs.begin();it!=_xyzs.end();){
x = *it;it++;
y = *it;it++;
z = *it;it++;
a_action.add_one_point(x,y,z);
}
}
public:
markers()
:parent()
,style(marker_cross)
,size(10)
{
add_fields();
}
virtual ~markers(){
}
public:
markers(const markers& a_from)
:parent(a_from)
,style(a_from.style)
,xyzs(a_from.xyzs)
,size(a_from.size)
{
add_fields();
}
markers& operator=(const markers& a_from){
parent::operator=(a_from);
style = a_from.style;
xyzs = a_from.xyzs;
size = a_from.size;
return *this;
}
public:
template <class VEC>
void add(const VEC& a_v) {
xyzs.add(a_v.x());
xyzs.add(a_v.y());
xyzs.add(a_v.z());
}
void add(float a_x,float a_y,float a_z) {
xyzs.add(a_x);
xyzs.add(a_y);
xyzs.add(a_z);
}
void add_allocated(size_t& a_pos,float a_x,float a_y,float a_z) {
std::vector<float>& v = xyzs.values();
v[a_pos] = a_x;a_pos++;
v[a_pos] = a_y;a_pos++;
v[a_pos] = a_z;a_pos++;
xyzs.touch();
}
bool add(const std::vector<float>& a_v) {
std::vector<float>::size_type _number = a_v.size()/3;
if(3*_number!=a_v.size()) return false;
std::vector<float>::const_iterator it;
for(it=a_v.begin();it!=a_v.end();it+=3) {
xyzs.add(*(it+0));
xyzs.add(*(it+1));
xyzs.add(*(it+2));
}
return true;
}
size_t number() const {return xyzs.size()/3;}
void clear() {xyzs.clear();}
protected:
void _add(std::vector<float>& a_v,float a_x,float a_y,float a_z) {
a_v.push_back(a_x);
a_v.push_back(a_y);
a_v.push_back(a_z);
}
};
}}
#endif
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