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hdsupport.cpp
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hdsupport.cpp
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/*
* hdsupport.cpp
*
* Copyright (c) 2015-2016 Dany Vohl, David G. Barnes, Christopher J. Fluke,
* Yuri Benovitski, Tsz Ho Wong, Owen L Kaluza, Toan D. Nguyen.
*
* This file is part of encube.
*
* encube 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.
*
* encube 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 encube. If not, see <http://www.gnu.org/licenses/>.
*
* We would appreciate it if research outcomes using encube would
* provide the following acknowledgement:
*
* "Visual analytics of multidimensional data was conducted with encube."
*
* and a reference to
*
* Dany Vohl, David G. Barnes, Christopher J. Fluke, Govinda Poudel, Nellie Georgiou-Karistianis,
* Amr H. Hassan, Yuri Benovitski, Tsz Ho Wong, Owen L Kaluza, Toan D. Nguyen, C. Paul Bonnington. (2016).
* Large-scale comparative visualisation of sets of multidimensional data. PeerJ Computer Science, In Press.
*
*/
#include "hdsupport.h"
/* define globals */
#ifdef _HALF_POS_
int gMemRequired = 3.7 * 1024 * 1024;
#else
int gMemRequired = 6.2 * 1024 * 1024;
#endif
// swin coordinates range
float3 swinMin = make_float3(-1);
float3 swinMax = make_float3(1);
HDCONFIG config; //shared between panels
// for brain apps speed up, no need to reload mean brain
bool need_reload_brain = true;
bool brain_loaded[MAXPANEL] = {false, false, false, false};
// combined masks
XRAW_STRUCT *mask_all_xrw = NULL;
XRAW_STRUCT *mask_temp_xrw = NULL;
vector<int> mask_ids;
int update = FALSE;
char TRKfilename[MAXPANEL*2][MAXSTRING];
char NIIfilename[MAXPANEL*2][MAXSTRING];
char FITS_filename[MAXPANEL*2][MAXSTRING];
char inputextfile[MAXSTRING];
PanelData pd[MAXPANEL]; // array of 4 panelData variables
int updateflag = 0;
char APPLABEL[MAXSTRING] = "...";
int _n_cmaps = 5;
int _i_cmap = 0;
char *_cmaps[] = {"grey", "hot", "astro", "mgreen", "alt"};
float _core_alpha = 0.1;
float _track_alpha = 0.95;
bool bufferAllFlag = true; //false;
float lFraction = 0.04; // _LAPTOP_ load fraction for tracks
float sFraction = 0.04; // _CAVE2_ sample fraction for tracks
float ps = 0.5f;
GLfloat scnTriPosArr[] =
{
-PLANEUNIT, -PLANEUNIT, .0f,
-PLANEUNIT, PLANEUNIT, .0f,
PLANEUNIT, -PLANEUNIT, .0f,
PLANEUNIT, -PLANEUNIT, .0f,
-PLANEUNIT, PLANEUNIT, .0f,
PLANEUNIT, PLANEUNIT, .0f
};
// for shader rendering
shaderService *vrShaders = NULL;
shaderService *trShaders = NULL;
shaderService *rgShaders = NULL;
shaderService *mmShaders = NULL;
int VBOdraw = 1;
int trackUpdateByRemoteFlag = 0;
float volumeScale = 2.0f;
// parameters from web
AABB clpb = make_aabb(make_float3(0), make_float3(1));
AABB aabb = clpb;
float viewport_width, viewport_height;
volumeProperty vp;
// END: parameters from web
COLOUR C_GREEN = {0.3, 1.0, 0.3};
COLOUR C_BLUE = {0.3, 0.3, 1.0};
COLOUR C_ORANGE = {1.0, 0.6, 0.2};
COLOUR C_GREY = {0.2, 0.2, 0.5};
int master = 0;
int nt;
int camset = 0;
XYZ setpos, setup, setvdir;
RegionControl rgc;
float line_thick = 2.0;
int _doFrames = 0;
int DIVO = 4096;
int CURRENT_TIME = 0, PREVIOUS_TIME = 0;
bool autospin = false;
//
int flag = -1;
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// Methods
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
//void calculateFPS()
//{
// // Increase frame count
// frameCount++;
//
// // Get the number of milliseconds since glutInit called
// // (or first call to glutGet(GLUT ELAPSED TIME)).
// CURRENT_TIME = glutGet(GLUT_ELAPSED_TIME);
//
// // Calculate time passed
// int timeInterval = CURRENT_TIME - PREVIOUS_TIME;
//
// if(timeInterval > 1000)
// {
// // calculate the number of frames per second
// fps = frameCount / (timeInterval / 1000.0f);
//
// // Set time
// PREVIOUS_TIME = CURRENT_TIME;
//
// // Reset frame count
// frameCount = 0;
// }
//}
void initShaders(shaderService **ss, char *filename, int gs)
{
if(*ss != NULL) destroyShaderService(*ss);
*ss = (shaderService*)malloc(sizeof(shaderService));
initShaderService(*ss, filename, gs, 1);
}
void volToTexture(int id)
{
int xx = pd[id].Nx, yy = pd[id].Ny, zz = pd[id].Nz;
int texSize = xx * yy * zz;
pd[id]._geometryTex_data = (GLfloat*)malloc(texSize * sizeof(GLfloat));
int mini, minj, mink, maxi, maxj, maxk;
mini = minj = mink = 255;
maxi = maxj = maxk = 0;
int voxid = 0;
for(int k = 0; k < zz; k++)
{
for(int j = 0; j < yy; j++)
{
for(int i = 0; i < xx; i++)
{
pd[id]._geometryTex_data[voxid] = pd[id].array[i][j][k];
if(pd[id]._geometryTex_data[voxid] > 0 )
{
if(i < mini) mini = i;
if(j < minj) minj = j;
if(k < mink) mink = k;
if(i > maxi) maxi = i;
if(j > maxj) maxj = j;
if(k > maxk) maxk = k;
}
voxid++;
}
}
}
aabb = make_aabb(make_float3(mini, minj, mink) / (vp.resolution - 1), (make_float3(maxi, maxj, maxk)+1) / (vp.resolution - 1));
/*/Dump raw volume data
FILE* fp = fopen("MeanImage.raw", "wb");
if (fp)
{
fwrite(pd[id]._geometryTex_data, texSize, sizeof(GLfloat), fp);
fclose(fp);
}*/
}
XYZ normalizeS2volVert(XYZ v, XYZ size, float s)
{
XYZ v0;
v0.x = (v.x / size.x - 0.5) * s;
v0.y = (v.y / size.y - 0.5) * s;
v0.z = (v.z / size.z - 0.5) * s;
return v0;
}
void normalizeS2volVertf(float ov[3], float v[3], float size[3], float s)
{
for(int i = 0; i < 3; i++)
ov[i] = (v[i] / size[i] - 0.5) * s;
}
void denormalizeS2volVertf(float ov[3], float v[3], float size[3], float s)
{
for(int i = 0; i < 3; i++)
ov[i] = (v[i] / s + 0.5) * size[i];
}
#if !defined(ENCUBE_OMEGA)
void volumeRendering(int texid, int rgid, shaderService *ss, float3 box, AABB clip, float* viewport, volumeProperty _vp)
{
//Blending required for correct intensity output
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_DEPTH_TEST);
glUseProgram(ss->prgObject);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_3D, texid);
glUniform1i(glGetUniformLocation(ss->prgObject, "uVolume"), 0);
//Bounds for clipping the normalised coord volume bounding box [0,1]
glUniform3fv(glGetUniformLocation(ss->prgObject, "uBBMin"), 1, clip.min.a);
glUniform3fv(glGetUniformLocation(ss->prgObject, "uBBMax"), 1, clip.max.a);
float focalLength = 1.0 / tan(0.5 * ss2qca() * PI/180.0);;
glUniform1f(glGetUniformLocation(ss->prgObject, "uFocalLength"), focalLength);
glUniform1f(glGetUniformLocation(ss->prgObject, "uDensityFactor"), _vp.density);
glUniform1f(glGetUniformLocation(ss->prgObject, "uBrightness"), _vp.brightness);
glUniform1f(glGetUniformLocation(ss->prgObject, "uContrast"), _vp.contrast);
glUniform1f(glGetUniformLocation(ss->prgObject, "uPower"), _vp.power);
glUniform1i(glGetUniformLocation(ss->prgObject, "uSamples"), _vp.samples);
glUniform1f(glGetUniformLocation(ss->prgObject, "uIsoValue"), _vp.isovalue);
glUniform1f(glGetUniformLocation(ss->prgObject, "uIsoSmooth"), _vp.isosmooth);
glUniform4fv(glGetUniformLocation(ss->prgObject, "uIsoColour"), 1, _vp.isocolour);
// Test by DV for range threshold in pixel intensity
glUniform1f(glGetUniformLocation(ss->prgObject, "uMin"), -1);
glUniform1f(glGetUniformLocation(ss->prgObject, "uMax"), -1);
//For colour maps, not used currently
glUniform1f(glGetUniformLocation(ss->prgObject, "uEnableColour"), _vp.enable_colour);
glUniform1i(glGetUniformLocation(ss->prgObject, "uTransferFunction"), _vp.colourmap);
glUniform4fv(glGetUniformLocation(ss->prgObject, "uViewport"), 1, viewport);
glUniform1i(glGetUniformLocation(ss->prgObject, "uIsoWalls"), _vp.drawWalls);
glUniform3fv(glGetUniformLocation(ss->prgObject, "uResolution"), 1, _vp.resolution.a);
glPushMatrix(); //Following changes to modelview for volume ray cast only
//Apply translation and scaling for actual bounding box to normalised coords [0,1] used in volume renderer
glTranslatef(-box.x*0.5, -box.y*0.5, -box.z*0.5); //Translate to origin
glScalef(1.0/box.x, 1.0/box.y, 1.0/box.z); //Scale to normalised cube
float matrix[16], projection[16];
glGetFloatv(GL_MODELVIEW_MATRIX, matrix);
glGetFloatv(GL_PROJECTION_MATRIX, projection);
glUniformMatrix4fv(glGetUniformLocation(ss->prgObject, "uMVMatrix"), 1, GL_FALSE, matrix);
matrix[12] = matrix[13] = matrix[14] = 0;
glUniformMatrix4fv(glGetUniformLocation(ss->prgObject, "uNMatrix"), 1, GL_FALSE, matrix);
glUniformMatrix4fv(glGetUniformLocation(ss->prgObject, "uPMatrix"), 1, GL_FALSE, projection);
if(rgid > -1) glUniform4fv(glGetUniformLocation(ss->prgObject, "uVolumeColour"), 1, &(rgc.regionColour[(rgid)*4]));
else glUniform4f(glGetUniformLocation(ss->prgObject, "uVolumeColour"), 1.0, 1.0, 1.0, 1.0 );
//Draw two triangles to fill screen
glBegin(GL_TRIANGLES);
glVertex2f(-1, -1); glVertex2f(-1, 1); glVertex2f(1, -1);
glVertex2f(-1, 1); glVertex2f( 1, 1); glVertex2f(1, -1);
glEnd();
glUseProgram(0);
glPopMatrix(); //Restore original modelview for drawing rest of scene
glEnable(GL_DEPTH_TEST);
}
void volumeRendering(int pid, int texid, int rgid, shaderService *ss, float3 box, AABB clip, float* viewport, volumeProperty _vp)
{
//Blending required for correct intensity output
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_DEPTH_TEST);
glUseProgram(ss->prgObject);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_3D, texid);
glUniform1i(glGetUniformLocation(ss->prgObject, "uVolume"), 0);
//Bounds for clipping the normalised coord volume bounding box [0,1]
glUniform3fv(glGetUniformLocation(ss->prgObject, "uBBMin"), 1, clip.min.a);
glUniform3fv(glGetUniformLocation(ss->prgObject, "uBBMax"), 1, clip.max.a);
float focalLength = 1.0 / tan(0.5 * ss2qca() * PI/180.0);;
glUniform1f(glGetUniformLocation(ss->prgObject, "uFocalLength"), focalLength);
glUniform1f(glGetUniformLocation(ss->prgObject, "uDensityFactor"), _vp.density);
glUniform1f(glGetUniformLocation(ss->prgObject, "uBrightness"), _vp.brightness);
glUniform1f(glGetUniformLocation(ss->prgObject, "uContrast"), _vp.contrast);
glUniform1f(glGetUniformLocation(ss->prgObject, "uPower"), _vp.power);
glUniform1i(glGetUniformLocation(ss->prgObject, "uSamples"), _vp.samples);
glUniform1f(glGetUniformLocation(ss->prgObject, "uIsoValue"), _vp.isovalue);
glUniform1f(glGetUniformLocation(ss->prgObject, "uIsoSmooth"), _vp.isosmooth);
glUniform4fv(glGetUniformLocation(ss->prgObject, "uIsoColour"), 1, _vp.isocolour);
// Test by DV for range threshold in pixel intensity
if (pd[pid].min_filter == -1)
glUniform1f(glGetUniformLocation(ss->prgObject, "uMin"), pd[pid].mean-(3*pd[pid].stand_dev));
else
glUniform1f(glGetUniformLocation(ss->prgObject, "uMin"), pd[pid].min_filter);
if (pd[pid].max_filter == -1)
glUniform1f(glGetUniformLocation(ss->prgObject, "uMax"), pd[pid].mean+(3*pd[pid].stand_dev));
else
glUniform1f(glGetUniformLocation(ss->prgObject, "uMax"), pd[pid].max_filter);
//For colour maps, not used currently
//glUniform1f(glGetUniformLocation(ss->prgObject, "uEnableColour"), 0);
//glUniform1i(glGetUniformLocation(ss->prgObject, "uTransferFunction"), 1);
//fprintf(stderr, "Enable_colour: %d\n", _vp.enable_colour);
if (!_vp.enable_colour)
{
glUniform1f(glGetUniformLocation(ss->prgObject, "uEnableColour"), 0);
glUniform1i(glGetUniformLocation(ss->prgObject, "uTransferFunction"), 1);
}
else
{
glUniform1f(glGetUniformLocation(ss->prgObject, "uEnableColour"), _vp.enable_colour);
// The following information should come from server (currently for testing)
//GLuint tex = loadColourmapTexture("colourmap.png");
glUniform1i(glGetUniformLocation(ss->prgObject, "uTransferFunction"), 1);
}
glUniform4fv(glGetUniformLocation(ss->prgObject, "uViewport"), 1, viewport);
glUniform1i(glGetUniformLocation(ss->prgObject, "uIsoWalls"), _vp.drawWalls);
glUniform3fv(glGetUniformLocation(ss->prgObject, "uResolution"), 1, _vp.resolution.a);
glPushMatrix(); //Following changes to modelview for volume ray cast only
//Apply translation and scaling for actual bounding box to normalised coords [0,1] used in volume renderer
glTranslatef(-box.x*0.5, -box.y*0.5, -box.z*0.5); //Translate to origin
glScalef(1.0/box.x, 1.0/box.y, 1.0/box.z); //Scale to normalised cube
float matrix[16], projection[16];
glGetFloatv(GL_MODELVIEW_MATRIX, matrix);
glGetFloatv(GL_PROJECTION_MATRIX, projection);
glUniformMatrix4fv(glGetUniformLocation(ss->prgObject, "uMVMatrix"), 1, GL_FALSE, matrix);
matrix[12] = matrix[13] = matrix[14] = 0;
glUniformMatrix4fv(glGetUniformLocation(ss->prgObject, "uNMatrix"), 1, GL_FALSE, matrix);
glUniformMatrix4fv(glGetUniformLocation(ss->prgObject, "uPMatrix"), 1, GL_FALSE, projection);
if(rgid > -1) glUniform4fv(glGetUniformLocation(ss->prgObject, "uVolumeColour"), 1, &(rgc.regionColour[(rgid)*4]));
else glUniform4f(glGetUniformLocation(ss->prgObject, "uVolumeColour"), 1.0, 1.0, 1.0, 1.0 );
//Draw two triangles to fill screen
glBegin(GL_TRIANGLES);
glVertex2f(-1, -1); glVertex2f(-1, 1); glVertex2f(1, -1);
glVertex2f(-1, 1); glVertex2f( 1, 1); glVertex2f(1, -1);
glEnd();
glUseProgram(0);
glPopMatrix(); //Restore original modelview for drawing rest of scene
glEnable(GL_DEPTH_TEST);
}
void moment_maps(int pid, int texid, int rgid, shaderService *ss, float3 box, AABB clip, float* viewport, volumeProperty _vp)
{
//Blending required for correct intensity output
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_DEPTH_TEST);
glUseProgram(ss->prgObject);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_3D, texid);
glUniform1i(glGetUniformLocation(ss->prgObject, "uVolume"), 0);
//Bounds for clipping the normalised coord volume bounding box [0,1]
glUniform3fv(glGetUniformLocation(ss->prgObject, "uBBMin"), 1, clip.min.a);
glUniform3fv(glGetUniformLocation(ss->prgObject, "uBBMax"), 1, clip.max.a);
float focalLength = 1.0 / tan(0.5 * ss2qca() * PI/180.0);;
glUniform1f(glGetUniformLocation(ss->prgObject, "uFocalLength"), focalLength);
glUniform1f(glGetUniformLocation(ss->prgObject, "uDensityFactor"), _vp.density);
glUniform1f(glGetUniformLocation(ss->prgObject, "uBrightness"), _vp.brightness);
glUniform1f(glGetUniformLocation(ss->prgObject, "uContrast"), _vp.contrast);
glUniform1f(glGetUniformLocation(ss->prgObject, "uPower"), _vp.power);
glUniform1i(glGetUniformLocation(ss->prgObject, "uSamples"), _vp.samples);
glUniform1f(glGetUniformLocation(ss->prgObject, "uIsoValue"), _vp.isovalue);
glUniform1f(glGetUniformLocation(ss->prgObject, "uIsoSmooth"), _vp.isosmooth);
glUniform4fv(glGetUniformLocation(ss->prgObject, "uIsoColour"), 1, _vp.isocolour);
// Test by DV for range threshold in pixel intensity
if (pd[pid].min_filter == -1)
glUniform1f(glGetUniformLocation(ss->prgObject, "uMin"), pd[pid].mean-(3*pd[pid].stand_dev));
else
glUniform1f(glGetUniformLocation(ss->prgObject, "uMin"), pd[pid].min_filter);
if (pd[pid].max_filter == -1)
glUniform1f(glGetUniformLocation(ss->prgObject, "uMax"), pd[pid].mean+(3*pd[pid].stand_dev));
else
glUniform1f(glGetUniformLocation(ss->prgObject, "uMax"), pd[pid].max_filter);
//For moment and MIP
glUniform1f(glGetUniformLocation(ss->prgObject, "uMIP"), (bool)vp.mip);
glUniform1f(glGetUniformLocation(ss->prgObject, "uMoment"), (bool)vp.moment);
if (!_vp.enable_colour)
{
glUniform1f(glGetUniformLocation(ss->prgObject, "uEnableColour"), 0);
glUniform1i(glGetUniformLocation(ss->prgObject, "uTransferFunction"), 1);
}
else
{
glUniform1f(glGetUniformLocation(ss->prgObject, "uEnableColour"), _vp.enable_colour);
// The following information should come from server (currently for testing)
//GLuint tex = loadColourmapTexture("colourmap.png");
//glUniform1i(glGetUniformLocation(ss->prgObject, "uTransferFunction"), 1);
}
glUniform4fv(glGetUniformLocation(ss->prgObject, "uViewport"), 1, viewport);
glUniform1i(glGetUniformLocation(ss->prgObject, "uIsoWalls"), _vp.drawWalls);
glUniform3fv(glGetUniformLocation(ss->prgObject, "uResolution"), 1, _vp.resolution.a);
glPushMatrix(); //Following changes to modelview for volume ray cast only
//Apply translation and scaling for actual bounding box to normalised coords [0,1] used in volume renderer
glTranslatef(-box.x*0.5, -box.y*0.5, -box.z*0.5); //Translate to origin
glScalef(1.0/box.x, 1.0/box.y, 1.0/box.z); //Scale to normalised cube
float matrix[16], projection[16];
glGetFloatv(GL_MODELVIEW_MATRIX, matrix);
glGetFloatv(GL_PROJECTION_MATRIX, projection);
glUniformMatrix4fv(glGetUniformLocation(ss->prgObject, "uMVMatrix"), 1, GL_FALSE, matrix);
matrix[12] = matrix[13] = matrix[14] = 0;
glUniformMatrix4fv(glGetUniformLocation(ss->prgObject, "uNMatrix"), 1, GL_FALSE, matrix);
glUniformMatrix4fv(glGetUniformLocation(ss->prgObject, "uPMatrix"), 1, GL_FALSE, projection);
if(rgid > -1) glUniform4fv(glGetUniformLocation(ss->prgObject, "uVolumeColour"), 1, &(rgc.regionColour[(rgid)*4]));
else glUniform4f(glGetUniformLocation(ss->prgObject, "uVolumeColour"), 1.0, 1.0, 1.0, 1.0 );
//Draw two triangles to fill screen
glBegin(GL_TRIANGLES);
glVertex2f(-1, -1); glVertex2f(-1, 1); glVertex2f(1, -1);
glVertex2f(-1, 1); glVertex2f( 1, 1); glVertex2f(1, -1);
glEnd();
glUseProgram(0);
glPopMatrix(); //Restore original modelview for drawing rest of scene
glEnable(GL_DEPTH_TEST);
}
#endif
/*void screendump(int pid)
{
char str[10];
sprintf(str, "%d", pid);
ss2wtga(str);
}*/
void drawTracksByShader(int pid)
{
if(!config.show_track)
return;
glColor3f(0.8f, 0.25f, 0.0f);
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable( GL_LINE_SMOOTH );
glEnable( GL_POLYGON_SMOOTH );
glHint( GL_LINE_SMOOTH_HINT, GL_NICEST );
glHint( GL_POLYGON_SMOOTH_HINT, GL_NICEST );
//glEnable(GL_CULL_FACE);
glUseProgram(trShaders->prgObject);
float matrix[16], projection[16], mvp[16];
glGetFloatv(GL_MODELVIEW_MATRIX, matrix);
glGetFloatv(GL_PROJECTION_MATRIX, projection);
multMatrix(mvp, projection, matrix);
glUniformMatrix4fv(glGetUniformLocation(trShaders->prgObject, "uMVMatrix"), 1, GL_FALSE, matrix);
glUniformMatrix4fv(glGetUniformLocation(trShaders->prgObject, "uPMatrix"), 1, GL_FALSE, projection);
glUniformMatrix4fv(glGetUniformLocation(trShaders->prgObject, "uMVPMatrix"), 1, GL_FALSE, mvp);
mat4x4 tmpmat;
for(int i = 0; i < 16; i++)
tmpmat.a[i] = matrix[i];
mat4x4 normalMatrix = inverseTranspose(tmpmat);
glUniformMatrix4fv(glGetUniformLocation(trShaders->prgObject, "uNormalMatrix"), 1, GL_FALSE, normalMatrix.a);
glUniform1i(glGetUniformLocation(trShaders->prgObject, "uDrawMode"), VBOdraw);
glUniform1f(glGetUniformLocation(trShaders->prgObject, "uTrackAlpha"), _track_alpha);
glUniform1f(glGetUniformLocation(trShaders->prgObject, "uRadius"), line_thick/1000.0);
glLineWidth(line_thick);
if(VBOdraw)
{
glEnableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aTrackFlag"));
glEnableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aPos"));
glEnableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aColor"));
if(config.platform == DESKTOP || bufferAllFlag)
{
// glBindBuffer(GL_ARRAY_BUFFER, pd[pid].lineVertsVBOid);
// glEnableClientState(GL_VERTEX_ARRAY);
// glVertexPointer(3, GL_FLOAT, 0, 0);
glBindBuffer(GL_ARRAY_BUFFER, pd[pid].lineVertsVBOid);
glVertexAttribPointer(glGetAttribLocation(trShaders->prgObject, "aPos"), 3, _GL_FLOAT_TYPE_, GL_FALSE, 0, 0);
glBindBuffer (GL_ARRAY_BUFFER, pd[pid].trackFlagsVBOid);
glVertexAttribPointer(glGetAttribLocation(trShaders->prgObject, "aTrackFlag"), 1, GL_UNSIGNED_BYTE, GL_FALSE, 0, 0);
glBindBuffer (GL_ARRAY_BUFFER, pd[pid].trackColorVBOid);
glVertexAttribPointer(glGetAttribLocation(trShaders->prgObject, "aColor"), 3, GL_UNSIGNED_BYTE, GL_FALSE, 0, 0);
glDrawArrays(GL_LINE_STRIP_ADJACENCY, 0, pd[pid].npoints);
}
else if(config.platform == CAVE2)
{
glDrawArrays(GL_LINE_STRIP_ADJACENCY, 0, pd[pid].npoints);
}
glDisableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aPos"));
glDisableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aTrackFlag"));
glDisableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aColor"));
}
else
{
/* glBegin(GL_LINES);
for(int i = 0; i < pd[pid].nlines; i++)
{
if(pd[pid].trackFlags[i*2])
{
float r = pd[pid].trackColor[i*6+0] / 255.0;
float g = pd[pid].trackColor[i*6+1] / 255.0;
float b = pd[pid].trackColor[i*6+2] / 255.0;
glColor3f(r, g, b);
glVertex3f(pd[pid].lineVerts[i*6+0], pd[pid].lineVerts[i*6+1], pd[pid].lineVerts[i*6+2]);
r = pd[pid].trackColor[i*6+3] / 255.0;
g = pd[pid].trackColor[i*6+4] / 255.0;
b = pd[pid].trackColor[i*6+5] / 255.0;
glColor3f(r, g, b);
glVertex3f(pd[pid].lineVerts[i*6+3], pd[pid].lineVerts[i*6+4], pd[pid].lineVerts[i*6+5]);
}
}
glEnd();
*/
}
glUseProgram(0);
//glDisable(GL_CULL_FACE);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDisable( GL_LINE_SMOOTH );
glDisable( GL_POLYGON_SMOOTH );
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
}
void updateTrackFlags(int pid)
{
if (pd[pid].id != -1)
{
static int offset = -1;
if (offset < 0) {
struct timeval tv;
struct timezone tz;
//struct tm *tm;
gettimeofday(&tv, &tz);
//tm=localtime(&tv.tv_sec);
srand48(tv.tv_usec);
offset = (int)((float)DIVO * drand48());
}
float volRes[3];
volRes[0] = volRes[1] = volRes[2] = 256;
int i, j, k, np = 0;
GLubyte flag;
int ii, jj, kk;
pd[pid].ntracks_drawn = 0;
for(i = 0; i < pd[pid].ntracks; i++)
{ // generate line vert indices
int tlen = pd[pid].tracklens[i];
if (!((i + offset) % (rgc.act_mask1 > -1 ? DIVO : (DIVO*256))))
{
flag = 1;
int start_in = 0;
float iv[3], ov0[3], ov1[3];
for(k = 0; k < 3; k++) iv[k] = pd[pid].lineVerts[3*np + k];
denormalizeS2volVertf(ov0, iv, volRes, volumeScale);
for(k = 0; k < 3; k++) iv[k] = pd[pid].lineVerts[3*(np+tlen-1) + k];
denormalizeS2volVertf(ov1, iv, volRes, volumeScale);
if (rgc.act_mask1 > -1)
{ // require start or end of track to be in mask1
// check start:
// int cast assumes diagonal tr matrix from image to track coords
ii = (int)(ov0[0]); jj = (int)(ov0[1]); kk = (int)(ov0[2]);
flag = ( (rgc.mask_vols[rgc.act_mask1])[kk*256*256 + jj*256 + ii] > rgc.maskThresh );
}
if (flag) {
start_in = 1;
} else
{ // check end
ii = (int)(ov1[0]); jj = (int)(ov1[1]); kk = (int)(ov1[2]);
flag = ( (rgc.mask_vols[rgc.act_mask1])[kk*256*256 + jj*256 + ii] > rgc.maskThresh );
if (flag) {
start_in = 0;
}
}
if (flag && (rgc.act_mask2 > -1))
{ // require OTHER end of track to be in mask2 // TBI
if (start_in)
{ // check end
ii = (int)(ov1[0]); jj = (int)(ov1[1]); kk = (int)(ov1[2]);
} else
{ // check start
ii = (int)(ov0[0]); jj = (int)(ov0[1]); kk = (int)(ov0[2]);
}
flag = flag && ( (rgc.mask_vols[rgc.act_mask2])[kk*256*256 + jj*256 + ii] > rgc.maskThresh );
}
}
else flag = 0;
if (flag > 0) pd[pid].ntracks_drawn += 1;
for(j = 0; j < tlen - 1; j++)
{
pd[pid].trackFlags[np + j] = flag;
}
pd[pid].trackFlags[np + tlen - 1] = 0;
np += tlen;
}
pd[pid].trackFlagsAdj[0] = pd[pid].trackFlagsAdj[1];
pd[pid].trackFlagsAdj[np+1] = pd[pid].trackFlagsAdj[np];
}
}
void updateTracksByRemoteControl()
{
if(!config.show_track)
return;
#pragma omp parallel for
for(int i = 0; i < (master ? 1 : MAXPANEL); i++)
updateTrackFlags(i);
for(int i = 0; i < (master ? 1 : MAXPANEL); i++)
bindTrackFlagBuffer(i, pd[i].npoints+2);
}
void hsv2rgb(const float3 &hsv, float3 &rgb)
{
float r, g, b, f, p, q, t;
float h = hsv.a[0], s = hsv.a[1], v = hsv.a[2];
int i = floor(h * 6);
f = h * 6 - i;
p = v * (1 - s);
q = v * (1 - f * s);
t = v * (1 - (1 - f) * s);
r = g = b = 0;
switch (i % 6) {
case 0: r = v, g = t, b = p; break;
case 1: r = q, g = v, b = p; break;
case 2: r = p, g = v, b = t; break;
case 3: r = p, g = q, b = v; break;
case 4: r = t, g = p, b = v; break;
case 5: r = v, g = p, b = q; break;
}
rgb.a[0] = r; rgb.a[1] = g; rgb.a[2] = b;
}
void computeDECColor(float3& dir, float3& rgb)
{
float3 ndir = normalize(dir);
if(ndir.a[2] < 0)
ndir = -1*ndir;
if(length(ndir) == 0)
return;
if(config.dec_color == DEC_ABSOLUTE)
{
for(int i = 0; i < 3; i++)
rgb.a[i] = fabs(ndir.a[i]);
}
else
{
float azimuth;
float azimuth_R = 0;
float inclination = acos(ndir.a[2]);
float3 hsv = make_float3(0);
float ps = 0.5;
hsv.a[1] = sin(ps*inclination)/sin(ps*PI/2);
hsv.a[2] = 1;
if(config.dec_color == DEC_NO_SYM) {
azimuth = atan2(ndir.a[1], ndir.a[0]);
hsv.a[0] = fmod(azimuth - azimuth_R + 2*PI, (float)2*PI);
}
else if (config.dec_color == DEC_ROTATIONAL_SYM)
{
azimuth = atan2(ndir.a[1], ndir.a[0]);
hsv.a[0] = fmod (2*(azimuth - azimuth_R + 2*PI), (float)2*PI);
}
else if (config.dec_color == DEC_MIRROR_SYM)
{
azimuth = atan2(ndir.a[1], fabs(ndir.a[0]));
hsv.a[0] = 2*fmod((azimuth - azimuth_R + PI), (float)PI);
}
hsv.a[0] = hsv.a[0] / (2*PI);
hsv2rgb(hsv, rgb);
}
for(int i=0; i < 3; i++)
rgb.a[i] = floor(rgb.a[i] * 255);
}
void computeDEC(int pid)
{
int *np_array = (int*) malloc(pd[pid].ntracks*sizeof(int));
int np_ac = 0;
for(int i=0; i < pd[pid].ntracks; i++)
{
np_array[i] = np_ac;
np_ac += pd[pid].tracklens[i];
}
#pragma omp parallel for
for(int i = 0; i < pd[pid].ntracks; i++)
{
int tlen = pd[pid].tracklens[i];
int np = np_array[i];
if(tlen < 2)
continue;
float3 rgb = make_float3(0);
if(config.dec_type == DEC_PERTRACK)
{
float3 dir = make_float3(0);
for (int k = 0; k < 3; k++) {
dir.a[k] = pd[pid].lineVerts[3*(np+0) + k] - pd[pid].lineVerts[3*(np+tlen-1) + k];
}
computeDECColor(dir, rgb);
for(int j = 0; j < tlen; j++)
{
for(int k = 0; k < 3; k++)
pd[pid].trackColor[3*(np+j) + k] = (GLubyte)rgb.a[k];
}
}
else // per segment
{
for(int j = 0; j < tlen; j++)
{
float3 dir = make_float3(0);
int numdir = 0;
if(j > 0)
{
for(int k = 0; k < 3; k++)
dir.a[k] += pd[pid].lineVerts[3*(np+j) + k] - pd[pid].lineVerts[3*(np+j-1) + k];
numdir++;
}
if(j < tlen - 1)
{
for(int k = 0; k < 3; k++)
dir.a[k] += pd[pid].lineVerts[3*(np+j+1) + k] - pd[pid].lineVerts[3*(np+j) + k];
numdir++;
}
dir /= (float)numdir;
computeDECColor(dir, rgb);
for(int k = 0; k < 3; k++)
pd[pid].trackColor[3*(np+j) + k] = (GLubyte)rgb.a[k];
}
}
}
for(int i = 0; i < 3; i++)
{
pd[pid].trackColorAdj[i] = pd[pid].trackColorAdj[3 + i];
pd[pid].trackColorAdj[3*(np_ac+1) + i] = pd[pid].trackColorAdj[3*np_ac + i];
}
free(np_array);
}
#if !defined(ENCUBE_OMEGA)
void oglDraw(int *eye)
{
int pid = xs2qsp();
if((pd[pid].state != DRAW)) return;
//Get which eye being rendered left/right
char eyec = (char)*eye;
int eyei = 0;
if (eyec == 'l') eyei = -1;
if (eyec == 'r') eyei = 1;
//Calculate viewport eye shift in pixels
GLfloat viewport[4];
glGetFloatv(GL_VIEWPORT, viewport);
float eye_sep_ratio = ss2qces() / ss2qcfl();
float eye_shift = eyei * eye_sep_ratio * viewport[3] * 0.6 / tan(ss2qca() * M_PI/180.0);
//fprintf(stderr, "EYE %d CAMERA EYESEP %f FOV %f OPTIONS SCREENHEIGHT %d EYE SHIFT %f\n",
// eye, camera.eyesep, camera.aperture, options.screenheight, eye_shift);
viewport[0] += eye_shift; //Horizontal shift for parallel camera stereo
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
float3 dmin, dmax;
s2qvp(&(dmin.x),&(dmax.x), &(dmin.y),&(dmax.y), &(dmin.z),&(dmax.z));
float3 box = (dmax-dmin);
float3 scl = box / (swinMax-swinMin);
float3 trns = (dmax+dmin)/2 - (swinMax+swinMin)/2;
glTranslatef(trns.x, trns.y, trns.z);
if (config.show_volume)
{
AABB clip = clpb;
intersect(&clip, &aabb, &clpb);
if (config.app_type != APP_ASTRO_FITS)
{
volumeRendering(pd[pid]._geometryTex_id, -1, vrShaders, box, clip, viewport, vp);
}
else
{
if (!vp.show_moment)
{
volumeRendering(pid, pd[pid]._geometryTex_id, -1, vrShaders, box, clip, viewport, vp);
}
else
{
moment_maps(pid, pd[pid]._geometryTex_id, -1, mmShaders, box, clip, viewport, vp);
}
}
}
if (rgc.act_mask1 > -1 && rgc.drawFlags[0])
{
AABB clip = clpb;
intersect(&clip, &(rgc.aabb[rgc.act_mask1]), &clpb);
volumeRendering(rgc.rg1Tex_id, 0, rgShaders, box, clip, viewport, rgc.vp);
if(rgc.act_mask2 > -1 && rgc.drawFlags[1])
{
clip = clpb;
intersect(&clip, &(rgc.aabb[rgc.act_mask2]), &clpb);
volumeRendering(rgc.rg2Tex_id, 1, rgShaders, box, clip, viewport, rgc.vp);
}
}
glScalef( scl.x, scl.y, scl.z );
drawTracksByShader(pid);
glPopMatrix();
}
#endif
void bindVertexPosBuffer(int pid, int num)
{
if(config.platform == DESKTOP || bufferAllFlag)
{
if(!pd[pid].lineVertsVBOid) glGenBuffers (1, &(pd[pid].lineVertsVBOid));
glBindBuffer (GL_ARRAY_BUFFER, pd[pid].lineVertsVBOid);
glBufferData (GL_ARRAY_BUFFER, num * 3 * sizeof(HDreal), pd[pid].lineVertsAdj, GL_STATIC_DRAW);
}
else if(config.platform == CAVE2)
{
glBindBuffer(GL_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aPos"));
glVertexAttribPointer(glGetAttribLocation(trShaders->prgObject, "aPos"), 3, _GL_FLOAT_TYPE_, GL_FALSE, 0, pd[pid].lineVertsAdj);
glDisableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aPos"));
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
void bindTrackFlagBuffer(int pid, int num)
{
if(config.platform == DESKTOP || bufferAllFlag)
{
if(!pd[pid].trackFlagsVBOid) glGenBuffers (1, &(pd[pid].trackFlagsVBOid));
glBindBuffer (GL_ARRAY_BUFFER, pd[pid].trackFlagsVBOid);
glBufferData (GL_ARRAY_BUFFER, num * sizeof(GLubyte), pd[pid].trackFlagsAdj, GL_STATIC_DRAW);
}
else if(config.platform == CAVE2)
{
glEnableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aTrackFlag"));
glVertexAttribPointer(glGetAttribLocation(trShaders->prgObject, "aTrackFlag"), 1, GL_UNSIGNED_BYTE, GL_FALSE, 0, pd[pid].trackFlagsAdj);
glDisableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aTrackFlag"));
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
void bindTrackColorBuffer(int pid, int num)
{
if(config.platform == DESKTOP || bufferAllFlag)
{
if(!pd[pid].trackColorVBOid) glGenBuffers (1, &(pd[pid].trackColorVBOid));
glBindBuffer (GL_ARRAY_BUFFER, pd[pid].trackColorVBOid);
glBufferData (GL_ARRAY_BUFFER, num * 3 * sizeof(GLubyte), pd[pid].trackColorAdj, GL_STATIC_DRAW);
}
else if(config.platform == CAVE2)
{
glEnableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aColor"));
glVertexAttribPointer(glGetAttribLocation(trShaders->prgObject, "aColor"), 3, GL_UNSIGNED_BYTE, GL_FALSE, 0, pd[pid].trackColorAdj);
glDisableVertexAttribArray(glGetAttribLocation(trShaders->prgObject, "aColor"));
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
void evaluate_histogram(int id, bool normalise)
{
pd[id].histogram = (float*)malloc(pd[id].nbins * sizeof(float));
//float bin_width = (pd[id].dmax-pd[id].dmin+1)/pd[id].nbins;
for (int i=0; i<pd[id].nbins; i++)
pd[id].histogram[i]=0;
int idx=0;
if (pd[id].dmin == FLT_MAX || pd[id].dmax==FLT_MIN )
{
// find min and max
for (int i=0; i<pd[id].Nx; i++)
{
for (int j=0; j<pd[id].Ny; j++)
{
for (int k=0; k<pd[id].Nz; k++)
{
if (pd[id].dmin > pd[id].array[i][j][k])
pd[id].dmin = pd[id].array[i][j][k];
if (pd[id].dmax < pd[id].array[i][j][k])
pd[id].dmax = pd[id].array[i][j][k];
}
}
}
}
for (int i=0; i<pd[id].Nx; i++)
{
for (int j=0; j<pd[id].Ny; j++)
{
for (int k=0; k<pd[id].Nz; k++)
{
idx = (int)ceil(pd[id].array[i][j][k]*(pd[id].nbins-1));
pd[id].histogram[idx]++;
}
}
}
if (normalise)
{
for (int i=0; i<pd[id].nbins; i++)
pd[id].histogram[i] /= (pd[id].Nx * pd[id].Ny * pd[id].Nz);
}