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3DPlotView.cpp
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/**
* GeoDa TM, Copyright (C) 2011-2015 by Luc Anselin - all rights reserved
*
* This file is part of GeoDa.
*
* GeoDa is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GeoDa is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <wx/wxprec.h>
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
#include <wx/dcbuffer.h>
#include <wx/menu.h>
#include <wx/splitter.h>
#include <wx/xrc/xmlres.h>
#include "../DataViewer/TableInterface.h"
#include "../DataViewer/TimeState.h"
#include "../DialogTools/3DControlPan.h"
#include "../FramesManager.h"
#include "../VarCalc/WeightsManInterface.h"
#include "../ShapeOperations/GalWeight.h"
#include "Geom3D.h"
#include "../GdaConst.h"
#include "../GeneralWxUtils.h"
#include "../GeoDa.h"
#include "../Project.h"
#include "3DPlotView.h"
#include "wxGLString.h"
BEGIN_EVENT_TABLE(C3DPlotCanvas, wxGLCanvas)
EVT_SIZE(C3DPlotCanvas::OnSize)
EVT_PAINT(C3DPlotCanvas::OnPaint)
EVT_ERASE_BACKGROUND(C3DPlotCanvas::OnEraseBackground)
EVT_MOUSE_EVENTS(C3DPlotCanvas::OnMouse)
END_EVENT_TABLE()
C3DPlotCanvas::C3DPlotCanvas(Project* project_s, C3DPlotFrame* t_frame, const wxGLAttributes& dispAttrs,
HLStateInt* highlight_state_s,
const std::vector<GdaVarTools::VarInfo>& v_info,
const std::vector<int>& col_ids,
wxWindow *parent,
wxWindowID id, const wxPoint& pos,
const wxSize& size, long style)
: wxGLCanvas(parent, dispAttrs, id, pos, size, style), ball(0),
project(project_s),
table_int(project_s->GetTableInt()),
num_obs(project_s->GetTableInt()->GetNumberRows()),
num_vars(v_info.size()),
num_time_vals(1),
highlight_state(highlight_state_s),
var_info(v_info),
data(v_info.size()),
data_undef(v_info.size()),
scaled_d(v_info.size()),
c3d_plot_frame(t_frame),
ShowNeighbors(true),
ShowConnections(true),
quality(10), radius(0.03), linewidth(1.0)
{
wxLogMessage("Open C3DPlotCanvas.");
hs = highlight_state->GetHighlight();
m_context = new wxGLContext(this);
selectable_fill_color = GdaConst::three_d_plot_default_point_colour;
highlight_color = GdaConst::three_d_plot_default_highlight_colour;
canvas_background_color=GdaConst::three_d_plot_default_background_colour;
linecolor = GdaConst::three_d_plot_default_point_colour;
data_stats.resize(var_info.size());
var_min.resize(var_info.size());
var_max.resize(var_info.size());
for (int v=0; v<num_vars; v++) {
table_int->GetColData(col_ids[v], data[v]);
table_int->GetColData(col_ids[v], scaled_d[v]);
table_int->GetColUndefined(col_ids[v], data_undef[v]);
}
all_undefs.resize(num_obs, false);
for (int v=0; v<num_vars; v++) {
int data_times = data[v].shape()[0];
for (int t=0; t<data_times; t++) {
for (int i=0; i<num_obs; i++) {
all_undefs[i] = all_undefs[i] || data_undef[v][t][i];
}
}
}
for (int v=0; v<num_vars; v++) {
int data_times = data[v].shape()[0];
data_stats[v].resize(data_times);
for (int t=0; t<data_times; t++) {
std::vector<double> temp_vec;
for (int i=0; i<num_obs; i++) {
temp_vec.push_back(data[v][t][i]);
}
data_stats[v][t].CalculateFromSample(temp_vec, all_undefs);
}
}
c3d_plot_frame->ClearAllGroupDependencies();
for (int i=0, sz=var_info.size(); i<sz; ++i) {
c3d_plot_frame->AddGroupDependancy(var_info[i].name);
}
VarInfoAttributeChange();
UpdateScaledData();
xs = 0.1;
xp = 0.0;
ys = 0.1;
yp = 0.0;
zs = 0.1;
zp = 0.0;
m_bLButton = false;
m_bRButton = false;
m_brush = false;
bb_min[0] = -1;
bb_min[1] = -1;
bb_min[2] = -1;
bb_max[0] = 1;
bb_max[1] = 1;
bb_max[2] = 1;
Vec3f b_min(bb_min);
Vec3f b_max(bb_max);
Vec3f ctr((bb_max[0]+bb_min[0])/2.0f, (bb_max[1]+bb_min[1])/2.0f,
(bb_max[2]+bb_min[2])/2.0f);
float radius = norm(b_max - ctr);
ball = new Arcball();
ball->bounding_sphere(ctr, radius);
m_x = false;
m_y = false;
m_z = false;
m_d = true;
b_select = false;
isInit = false;
highlight_state->registerObserver(this);
}
C3DPlotCanvas::~C3DPlotCanvas()
{
if (ball) delete ball; ball = 0;
highlight_state->removeObserver(this);
delete m_context;
wxLogMessage("Close C3DPlotCanvas.");
}
void C3DPlotCanvas::AddTimeVariantOptionsToMenu(wxMenu* menu)
{
if (!is_any_time_variant) return;
wxMenu* menu1 = new wxMenu(wxEmptyString);
{
for (int i=0, iend=var_info.size(); i<iend; i++) {
if (!var_info[i].is_time_variant) continue;
wxString s;
s << "Synchronize " << var_info[i].name << " with Time Control";
wxMenuItem* mi =
menu1->AppendCheckItem(GdaConst::ID_TIME_SYNC_VAR1+i, s, s);
mi->Check(var_info[i].sync_with_global_time);
}
}
menu->AppendSeparator();
menu->Append(wxID_ANY, "Time Variable Options", menu1, "Time Variable Options");
}
void C3DPlotCanvas::SetCheckMarks(wxMenu* menu)
{
// Update the checkmarks and enable/disable state for the
// following menu items if they were specified for this particular
// view in the xrc file. Items that cannot be enable/disabled,
// or are not checkable do not appear.
for (int i=0, iend=var_info.size(); i<iend; i++) {
if (var_info[i].is_time_variant) {
GeneralWxUtils::CheckMenuItem(menu,
GdaConst::ID_TIME_SYNC_VAR1+i,
var_info[i].sync_with_global_time);
}
}
}
void C3DPlotCanvas::OnPaint( wxPaintEvent& event )
{
if(!IsShown()) return;
/* must always be here */
wxPaintDC dc(this);
wxGLCanvas::SetCurrent(*m_context);
/* initialize OpenGL */
if (isInit == false) {
InitGL();
isInit = true;
}
begin_redraw();
RenderScene();
end_redraw();
if (bSelect) {
double world11[3],world12[3], world22[3], world21[3];
int pixel11[2], pixel12[2], pixel22[2], pixel21[2];
int small_x=(select_start.x<select_end.x)? select_start.x:select_end.x;
int large_x=(select_start.x>select_end.x)? select_start.x:select_end.x;
int small_y=(select_start.y>select_end.y)? select_start.y:select_end.y;
int large_y=(select_start.y<select_end.y)? select_start.y:select_end.y;
pixel11[0] = small_x;
pixel12[0] = small_x;
pixel21[0] = large_x;
pixel22[0] = large_x;
pixel11[1] = small_y;
pixel21[1] = small_y;
pixel12[1] = large_y;
pixel22[1] = large_y;
unproject_pixel(pixel11, world11, 0.0);
unproject_pixel(pixel12, world12, 0.0);
unproject_pixel(pixel22, world22, 0.0);
unproject_pixel(pixel21, world21, 0.0);
glLineWidth(2.0);
glColor3f(0.75,0.75,0.75);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glBegin(GL_LINES);
glVertex3dv(world11);
glVertex3dv(world12);
glVertex3dv(world12);
glVertex3dv(world22);
glVertex3dv(world22);
glVertex3dv(world21);
glVertex3dv(world21);
glVertex3dv(world11);
glEnd();
glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
}
/* flush */
glFlush();
/* swap */
SwapBuffers();
}
void C3DPlotCanvas::OnSize(wxSizeEvent& event)
{
// this is also necessary to update the context on some platforms
//wxGLCanvas::OnSize(event);
// set GL viewport (not called by wxGLCanvas::OnSize on all platforms...)
int w, h;
GetClientSize(&w, &h);
//if (GetContext()) {
glViewport(0, 0, (GLint) w, (GLint) h);
//}
}
void C3DPlotCanvas::OnEraseBackground(wxEraseEvent& event)
{
// Do nothing, to avoid flashing on MSW
}
void C3DPlotCanvas::OnMouse( wxMouseEvent& event )
{
wxPoint pt(event.GetPosition());
wxClientDC dc(this);
PrepareDC(dc);
wxPoint point(event.GetLogicalPosition(dc));
if (event.RightDown()) {
m_bRButton = true;
int where[2];
where[0] = point.x;
where[1] = point.y;
last[0] = point.x;
last[1] = point.y;
ball->mouse_down(where,3);
}
if (event.RightUp()) {
m_bRButton = false;
int where[2];
where[0] = point.x;
where[1] = point.y;
ball->mouse_up(where,3);
}
if (event.LeftDown()) {
if ((event.CmdDown()) && this->m_d && this->b_select) {
m_brush = true;
last[0] = point.x;
last[1] = point.y;
} else {
m_bLButton = true;
int where[2];
where[0] = point.x;
where[1] = point.y;
last[0] = point.x;
last[1] = point.y;
ball->mouse_down(where,1);
}
}
if (event.LeftUp()) {
if (bSelect && this->m_d ) {
bSelect = false;
SelectByRect();
} else if (m_brush) {
m_brush = false;
} else {
m_bLButton = false;
int where[2];
where[0] = point.x;
where[1] = point.y;
ball->mouse_up(where,1);
}
}
if (event.Dragging()) {
int where[2];
where[0] = point.x;
where[1] = point.y;
if (m_brush) {
float vp[4];
glGetFloatv(GL_VIEWPORT, vp);
float W=vp[2], H=vp[3];
float diam = 2*(ball->radius);
ball->apply_transform();
int pix1[2], pix2[2], pix3[2];
pix1[0] = (int)(W/2);
pix1[1] = (int)(H/2);
pix2[0] = (int)(W/2-1);
pix2[1] = (int)(H/2);
pix3[0] = (int)(W/2);
pix3[1] = (int)(H/2-1);
double world1[3], world2[3],world3[3];
unproject_pixel(pix1, world1, 0.0);
unproject_pixel(pix2, world2, 0.0);
unproject_pixel(pix3, world3, 0.0);
ball->unapply_transform();
Vec3f w1(world1);
Vec3f w2(world2);
Vec3f w3(world3);
Vec3f screen_x = w1-w2;
unitize(screen_x);
Vec3f screen_y = w3-w1;
unitize(screen_y);
Vec3f XX(1,0,0);
Vec3f YY(0,1,0);
Vec3f ZZ(0,0,1);
xp += diam * (where[0] - last[0]) / W *(XX*screen_x);
yp += diam * (where[0] - last[0]) / W *(YY*screen_x);
zp += diam * (where[0] - last[0]) / W *(ZZ*screen_x);
xp += diam * (last[1] - where[1]) / H *(XX*screen_y);
yp += diam * (last[1] - where[1]) / H *(YY*screen_y);
zp += diam * (last[1] - where[1]) / H *(ZZ*screen_y);
if (xp < -1.0) xp = -1.0;
if (xp > 1.0) xp = 1.0;
if (yp < -1.0) yp = -1.0;
if (yp > 1.0) yp = 1.0;
if (zp < -1.0) zp = -1.0;
if (zp > 1.0) zp = 1.0;
last[0] = where[0];
last[1] = where[1];
c3d_plot_frame->control->m_xp->SetValue((int)((xp+1)*10000));
c3d_plot_frame->control->m_yp->SetValue((int)((yp+1)*10000));
c3d_plot_frame->control->m_zp->SetValue((int)((zp+1)*10000));
this->UpdateSelect();
} else {
bSelect = false;
if (m_bLButton & m_bRButton) {
ball->mouse_drag(where,last,2);
last[0] = where[0];
last[1] = where[1];
} else if (m_bLButton) {
ball->mouse_drag(where,last,1);
last[0] = where[0];
last[1] = where[1];
} else if (m_bRButton) {
ball->mouse_drag(where,last,3);
last[0] = where[0];
last[1] = where[1];
}
}
}
Refresh();
}
void C3DPlotCanvas::UpdateSelect()
{
if (!b_select) return;
int hl_size = highlight_state->GetHighlightSize();
std::vector<bool>& hs = highlight_state->GetHighlight();
bool selection_changed = false;
double minx = xp - xs;
double maxx = xp + xs;
double miny = yp - ys;
double maxy = yp + ys;
double minz = zp - zs;
double maxz = zp + zs;
int xt = var_info[0].time;
int yt = var_info[1].time;
int zt = var_info[2].time;
for (int i=0; i<num_obs; i++) {
bool contains = ((scaled_d[0][xt][i] >= minx) &&
(scaled_d[0][xt][i] <= maxx) &&
(scaled_d[1][yt][i] >= miny) &&
(scaled_d[1][yt][i] <= maxy) &&
(scaled_d[2][zt][i] >= minz) &&
(scaled_d[2][zt][i] <= maxz));
if (contains) {
if (!hs[i]) {
hs[i] = true;
selection_changed = true;
}
} else {
if (hs[i]) {
hs[i] = false;
selection_changed = true;
}
}
}
if (selection_changed) {
highlight_state->SetEventType(HLStateInt::delta);
highlight_state->notifyObservers(this);
}
this->hs = hs; // update local hs for rendering
}
void C3DPlotCanvas::SelectByRect()
{
int hl_size = highlight_state->GetHighlightSize();
std::vector<bool>& hs = highlight_state->GetHighlight();
bool selection_changed = false;
double world11[3], world12[3], world22[3], world21[3];
double world113[3], world123[3], world223[3], world213[3];
int pixel11[2], pixel12[2], pixel22[2], pixel21[2];
int small_x = (select_start.x < select_end.x)? select_start.x:select_end.x;
int large_x = (select_start.x > select_end.x)? select_start.x:select_end.x;
int small_y = (select_start.y < select_end.y)? select_start.y:select_end.y;
int large_y = (select_start.y > select_end.y)? select_start.y:select_end.y;
pixel11[0] = small_x; pixel12[0] = small_x;
pixel21[0] = large_x; pixel22[0] = large_x;
pixel11[1] = small_y; pixel21[1] = small_y;
pixel12[1] = large_y; pixel22[1] = large_y;
ball->apply_transform();
unproject_pixel(pixel11, world11, 0.0);
unproject_pixel(pixel12, world12, 0.0);
unproject_pixel(pixel22, world22, 0.0);
unproject_pixel(pixel21, world21, 0.0);
unproject_pixel(pixel11, world113, 1.0);
unproject_pixel(pixel12, world123, 1.0);
unproject_pixel(pixel22, world223, 1.0);
unproject_pixel(pixel21, world213, 1.0);
ball->unapply_transform();
SPlane* plane;
int i;
bool *inside = new bool[num_obs*4];
for(i=0; i<num_obs*4; i++) inside[i] = false;
double *world1, *world2, *world3, *world4;
for (int k=0; k<4; k++) {
switch(k)
{
case 0:
world1 = world11;
world2 = world12;
world3 = world113;
world4 = world123;
break;
case 1:
world1 = world12;
world2 = world22;
world3 = world123;
world4 = world223;
break;
case 2:
world1 = world22;
world2 = world21;
world3 = world223;
world4 = world213;
break;
case 3:
world1 = world21;
world2 = world11;
world3 = world213;
world4 = world113;
break;
default:
break;
}
plane = new SPlane(world1, world2, world3);
Vec3f a1(world1[0], world1[1], world1[2]);
Vec3f a2(world2[0], world2[1], world2[2]);
Vec3f a3(world3[0], world3[1], world3[2]);
Vec3f a4(world4[0], world4[1], world4[2]);
Vec3f l1 = a3 - a1;
Vec3f l2 = a4 - a2;
int xt = var_info[0].time;
int yt = var_info[1].time;
int zt = var_info[2].time;
for (i=0; i<num_obs; i++) {
Vec3f cor(scaled_d[0][xt][i], scaled_d[1][yt][i],
scaled_d[2][zt][i]);
if (plane->isPositive(cor)) inside[k*num_obs+i] = true;
}
delete plane;
}
delete [] inside;
for (i=0; i<num_obs; i++) {
bool contains = (inside[i] && inside[num_obs+i] && inside[2*num_obs+i]
&& inside[3*num_obs+i]);
if (contains) {
if (!hs[i]) {
hs[i] = true;
selection_changed = true;
}
} else {
if (hs[i]) {
hs[i] = false;
selection_changed = true;
}
}
}
if (selection_changed) {
highlight_state->SetEventType(HLStateInt::delta);
highlight_state->notifyObservers(this);
}
this->hs = hs; // update local hs for rendering
}
void C3DPlotCanvas::InitGL(void)
{
//SetCurrent();
//glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearColor(((GLfloat) canvas_background_color.Red())/((GLfloat) 255.0),
((GLfloat) canvas_background_color.Green())/((GLfloat) 255.0),
((GLfloat) canvas_background_color.Blue())/((GLfloat) 255.0),
0.0f);
glEnable(GL_DEPTH_TEST);
glEnable(GL_NORMALIZE);
glEnable(GL_LIGHTING);
float ambient_light[4] = {1.0, 1.0, 1.0, 1.0};
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, (float *)ambient_light);
const float light0_pos[4] = {0.0f, 0.5f, 1.0f, 0.0f};
glLightfv(GL_LIGHT0, GL_POSITION, light0_pos);
glEnable(GL_LIGHT0);
float rgb[4] = {0.912f, 0.717f, 0.505f, 1.0f};
float r_amb[4];
float r_diff[4];
float r_spec[4];
for (int i=0; i<4; i++) {
r_amb[i] = rgb[i]*0.1;
r_diff[i] = rgb[i]*1.0;
r_spec[i] = rgb[i]*0.3f;
}
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, r_amb);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, r_diff);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, r_spec);
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 100.0);
glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
}
void C3DPlotCanvas::SetSelectableFillColor(wxColour color)
{
selectable_fill_color = color;
Refresh();
}
void C3DPlotCanvas::SetHighlightColor(wxColour color)
{
highlight_color = color;
Refresh();
}
void C3DPlotCanvas::SetCanvasBackgroundColor(wxColour color)
{
canvas_background_color = color;
InitGL();
Refresh();
}
void C3DPlotCanvas::RenderScene()
{
glEnable(GL_LINE_SMOOTH);
int xt = var_info[0].time;
int yt = var_info[1].time;
int zt = var_info[2].time;
GLUquadric* myQuad = 0;
myQuad = gluNewQuadric();
if (m_d) {
std::vector<bool> draw_pts(num_obs, false);
// draw highlighted points
//glColor3f(1.0, 1.0, 0.0);
glColor3f(((GLfloat) highlight_color.Red())/((GLfloat) 255.0),
((GLfloat) highlight_color.Green())/((GLfloat) 255.0),
((GLfloat) highlight_color.Blue())/((GLfloat) 255.0));
for (int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (!hs[i]) continue;
draw_pts[i] = true;
glPushMatrix();
glTranslatef(scaled_d[0][xt][i], scaled_d[1][yt][i],
scaled_d[2][zt][i]);
gluSphere(myQuad, radius, quality, quality);
glPopMatrix();
}
if (ShowNeighbors) {
// weights
WeightsManInterface* w_man_int = project->GetWManInt();
boost::uuids::uuid weights_id = w_man_int->GetDefault();
GalWeight* gal_weights = w_man_int->GetGal(weights_id);
if (gal_weights) {
// Enable blending
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// connection lines
if (ShowConnections) {
glDisable(GL_LIGHTING);
glDepthMask(false);
glColor4f(((GLfloat) linecolor.Red())/((GLfloat) 255.0),
((GLfloat) linecolor.Green())/((GLfloat) 255.0),
((GLfloat) linecolor.Blue())/((GLfloat) 255.0),
0.9);
glLineWidth(linewidth);
for (int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (!hs[i]) continue;
GalElement& e = gal_weights->gal[i];
for (int j=0, jend=e.Size(); j<jend; j++) {
int obs = e[j];
if (i != obs) {
glBegin(GL_LINES);
glVertex3f(scaled_d[0][xt][i], scaled_d[1][yt][i],
scaled_d[2][zt][i]);
glVertex3f(scaled_d[0][xt][obs], scaled_d[1][yt][obs],
scaled_d[2][zt][obs]);
glEnd();
}
}
}
glDepthMask(true);
glEnable(GL_LIGHTING);
}
// neighbors
glColor4f(((GLfloat) highlight_color.Red())/((GLfloat) 255.0),
((GLfloat) highlight_color.Green())/((GLfloat) 255.0),
((GLfloat) highlight_color.Blue())/((GLfloat) 255.0),
0.4);
for (int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (!hs[i]) continue;
GalElement& e = gal_weights->gal[i];
for (int j=0, jend=e.Size(); j<jend; j++) {
int obs = e[j];
if (i != obs) {
draw_pts[obs] = true;
glPushMatrix();
glTranslatef(scaled_d[0][xt][obs], scaled_d[1][yt][obs],
scaled_d[2][zt][obs]);
gluSphere(myQuad, radius, quality, quality);
glPopMatrix();
}
}
}
}
}
// draw rest points
//glColor3f(1.0, 1.0, 1.0);
glColor3f(((GLfloat) selectable_fill_color.Red())/((GLfloat) 255.0),
((GLfloat) selectable_fill_color.Green())/((GLfloat) 255.0),
((GLfloat) selectable_fill_color.Blue())/((GLfloat) 255.0));
for (int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (hs[i]) continue;
if (draw_pts[i]) continue;
glPushMatrix();
glTranslatef(scaled_d[0][xt][i], scaled_d[1][yt][i],
scaled_d[2][zt][i]);
gluSphere(myQuad, radius, quality, quality); // radius, slices, stacks
glPopMatrix();
}
}
glDisable(GL_LIGHTING);
if (m_x) {
// draw y-z panel
//glColor3f(0.75, 0.75, 0.75);
glColor3f(((GLfloat) selectable_fill_color.Red())/((GLfloat) 255.0),
((GLfloat) selectable_fill_color.Green())/((GLfloat) 255.0),
((GLfloat) selectable_fill_color.Blue())/((GLfloat) 255.0));
for(int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (hs[i]) continue;
glPushMatrix();
glTranslatef(-1, scaled_d[1][yt][i], scaled_d[2][zt][i]);
glRotatef(90, 0.0, 1.0, 0.0);
gluDisk(myQuad, 0, 0.02, 5, 3); // inner, outer, slices, loops
glPopMatrix();
}
//glColor3f(1.0, 1.0, 0.0);
glColor3f(((GLfloat) highlight_color.Red())/((GLfloat) 255.0),
((GLfloat) highlight_color.Green())/((GLfloat) 255.0),
((GLfloat) highlight_color.Blue())/((GLfloat) 255.0));
for (int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (!hs[i]) continue;
glPushMatrix();
glTranslatef(-1, scaled_d[1][yt][i], scaled_d[2][zt][i]);
glRotatef(90, 0.0, 1.0, 0.0);
gluDisk(myQuad, 0, 0.02, 5, 3);
glPopMatrix();
}
}
if (m_y) {
//glColor3f(0.75, 0.75, 0.75);
glColor3f(((GLfloat) selectable_fill_color.Red())/((GLfloat) 255.0),
((GLfloat) selectable_fill_color.Green())/((GLfloat) 255.0),
((GLfloat) selectable_fill_color.Blue())/((GLfloat) 255.0));
for (int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (hs[i]) continue;
glPushMatrix();
glTranslatef(scaled_d[0][xt][i], -1, scaled_d[2][zt][i]);
glRotatef(90, 1.0, 0.0, 0.0);
gluDisk(myQuad, 0, 0.02, 5, 3);
glPopMatrix();
}
//glColor3f(1.0, 1.0, 0.0);
glColor3f(((GLfloat) highlight_color.Red())/((GLfloat) 255.0),
((GLfloat) highlight_color.Green())/((GLfloat) 255.0),
((GLfloat) highlight_color.Blue())/((GLfloat) 255.0));
for (int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (!hs[i]) continue;
glPushMatrix();
glTranslatef(scaled_d[0][xt][i], -1, scaled_d[2][zt][i]);
glRotatef(90, 1.0, 0.0, 0.0);
gluDisk(myQuad, 0, 0.02, 5, 3);
glPopMatrix();
}
}
if (m_z) {
//glColor3f(0.75, 0.75, 0.75);
glColor3f(((GLfloat) selectable_fill_color.Red())/((GLfloat) 255.0),
((GLfloat) selectable_fill_color.Green())/((GLfloat) 255.0),
((GLfloat) selectable_fill_color.Blue())/((GLfloat) 255.0));
for (int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (hs[i]) continue;
glPushMatrix();
glTranslatef(scaled_d[0][xt][i], scaled_d[1][yt][i], -1);
gluDisk(myQuad, 0, 0.02, 5, 3);
glPopMatrix();
}
//glColor3f(1.0, 1.0, 0.0);
glColor3f(((GLfloat) highlight_color.Red())/((GLfloat) 255.0),
((GLfloat) highlight_color.Green())/((GLfloat) 255.0),
((GLfloat) highlight_color.Blue())/((GLfloat) 255.0));
for(int i=0; i<num_obs; i++) {
if (all_undefs[i]) continue;
if (!hs[i]) continue;
glPushMatrix();
glTranslatef(scaled_d[0][xt][i], scaled_d[1][yt][i], -1);
gluDisk(myQuad, 0, 0.02, 5, 3);
glPopMatrix();
}
}
glEnable(GL_LIGHTING);
if (b_select) {
// select box
double minx = xp - xs;
double maxx = xp + xs;
double miny = yp - ys;
double maxy = yp + ys;
double minz = zp - zs;
double maxz = zp + zs;
glDisable(GL_LIGHTING);
//glLineWidth(2.0);
glColor3f(1.0, 0.0, 0.0);
glBegin(GL_LINES);
glVertex3f(maxx,maxy,maxz);
glVertex3f(maxx,miny,maxz);
glVertex3f(maxx,miny,maxz);
glVertex3f(minx,miny,maxz);
glVertex3f(minx,miny,maxz);
glVertex3f(minx,maxy,maxz);
glVertex3f(minx,maxy,maxz);
glVertex3f(maxx,maxy,maxz);
glVertex3f(maxx,maxy,minz);
glVertex3f(maxx,miny,minz);
glVertex3f(maxx,miny,minz);
glVertex3f(minx,miny,minz);
glVertex3f(minx,miny,minz);
glVertex3f(minx,maxy,minz);
glVertex3f(minx,maxy,minz);
glVertex3f(maxx,maxy,minz);
glVertex3f(maxx,maxy,maxz);
glVertex3f(maxx,maxy,minz);
glVertex3f(maxx,miny,maxz);
glVertex3f(maxx,miny,minz);
glVertex3f(minx,miny,maxz);
glVertex3f(minx,miny,minz);
glVertex3f(minx,maxy,maxz);
glVertex3f(minx,maxy,minz);
glEnd();
glEnable(GL_LIGHTING);
}
// draw text: x,y,z
glLineWidth(2.0);
glColor3f((GLfloat) 0.95,(GLfloat) 0.0,(GLfloat) 0.95);
glDisable(GL_LIGHTING);
glBegin(GL_LINES);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) 1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) 1.2,(GLfloat) -0.9,(GLfloat) -1.0);
glVertex3f((GLfloat) 1.1,(GLfloat) -0.8,(GLfloat) -1.0);
glVertex3f((GLfloat) 1.2,(GLfloat) -0.8,(GLfloat) -1.0);
glVertex3f((GLfloat) 1.1,(GLfloat) -0.9,(GLfloat) -1.0);
glEnd();
glColor3f((GLfloat) 0.0,(GLfloat) 0.95,(GLfloat) 0.0);
glBegin(GL_LINES);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) -1,(GLfloat) 1,(GLfloat) -1);
glVertex3f((GLfloat) -0.85,(GLfloat) 1.15,(GLfloat) -1.0);
glVertex3f((GLfloat) -0.9,(GLfloat) 1.2,(GLfloat) -1.0);
glVertex3f((GLfloat) -0.85,(GLfloat) 1.15,(GLfloat) -1.0);
glVertex3f((GLfloat) -0.8,(GLfloat) 1.2,(GLfloat) -1.0);
glVertex3f((GLfloat) -0.85,(GLfloat) 1.15,(GLfloat) -1.0);
glVertex3f((GLfloat) -0.85,(GLfloat) 1.1,(GLfloat) -1.0);
glEnd();
glColor3f((GLfloat) 0.0,(GLfloat) 0.95,(GLfloat) 0.95);
glBegin(GL_LINES);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) 1);
glVertex3f((GLfloat) -1.0,(GLfloat) -0.8,(GLfloat) 1.2);
glVertex3f((GLfloat) -1.0,(GLfloat) -0.8,(GLfloat) 1.1);
glVertex3f((GLfloat) -1.0,(GLfloat) -0.8,(GLfloat) 1.1);
glVertex3f((GLfloat) -1.0,(GLfloat) -0.9,(GLfloat) 1.2);
glVertex3f((GLfloat) -1.0,(GLfloat) -0.9,(GLfloat) 1.2);
glVertex3f((GLfloat) -1.0,(GLfloat) -0.9,(GLfloat) 1.1);
glEnd();
// extent box
glLineWidth(1.0);
glColor3f(1.0, 1.0, 1.0);
glBegin(GL_LINES);
glVertex3f((GLfloat) 1,(GLfloat) 1,(GLfloat) 1);
glVertex3f((GLfloat) 1,(GLfloat) -1,(GLfloat) 1);
glVertex3f((GLfloat) 1,(GLfloat) -1,(GLfloat) 1);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) 1);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) 1);
glVertex3f((GLfloat) -1,(GLfloat) 1,(GLfloat) 1);
glVertex3f((GLfloat) -1,(GLfloat) 1,(GLfloat) 1);
glVertex3f((GLfloat) 1,(GLfloat) 1,(GLfloat) 1);
glVertex3f((GLfloat) 1,(GLfloat) 1,(GLfloat) -1);
glVertex3f((GLfloat) 1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) 1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) -1,(GLfloat) 1,(GLfloat) -1);
glVertex3f((GLfloat) -1,(GLfloat) 1,(GLfloat) -1);
glVertex3f((GLfloat) 1,(GLfloat) 1,(GLfloat) -1);
glVertex3f((GLfloat) 1,(GLfloat) 1,(GLfloat) 1);
glVertex3f((GLfloat) 1,(GLfloat) 1,(GLfloat) -1);
glVertex3f((GLfloat) 1,(GLfloat) -1,(GLfloat) 1);
glVertex3f((GLfloat) 1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) 1);
glVertex3f((GLfloat) -1,(GLfloat) -1,(GLfloat) -1);
glVertex3f((GLfloat) -1,(GLfloat) 1,(GLfloat) 1);
glVertex3f((GLfloat) -1,(GLfloat) 1,(GLfloat) -1);
glEnd();
glEnable(GL_LIGHTING);
gluDeleteQuadric(myQuad);
}
void C3DPlotCanvas::apply_camera()
{
int w, h;
GetClientSize(&w, &h);
float aspect = (float)w / (float)h;
Vec3 d_min(bb_min[0], bb_min[1], bb_min[2]);
Vec3 d_max(bb_max[0], bb_max[1], bb_max[2]);
Vec3 up(0, 1, 0);
double fovy = 60.0;
Vec3 at = (d_max+d_min)/2.0;
double radius = sqrt((d_max[0]-at[0])*(d_max[0]-at[0])
+(d_max[1]-at[1])*(d_max[1]-at[1])
+(d_max[2]-at[2])*(d_max[2]-at[2]));
double d = 3*radius / tan(fovy * M_PI/180.0);
Vec3 from = at;
from[2] += d;
double znear = d/20;
double zfar = 10*d;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(fovy, aspect, znear, zfar);