db598823
David Mayerich
fixed GCC errors ...
|
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
//mouse position tracking
int mouse_x;
int mouse_y;
//OpenGL objects
GLuint cmap_tex = 0; //texture name for the color map
//sets an OpenGL viewport taking up the entire window
void glut_render_single_projection(){
glMatrixMode(GL_PROJECTION); //load the projection matrix for editing
glLoadIdentity(); //start with the identity matrix
int X = glutGet(GLUT_WINDOW_WIDTH); //use the whole screen for rendering
int Y = glutGet(GLUT_WINDOW_HEIGHT);
glViewport(0, 0, X, Y); //specify a viewport for the entire window
float aspect = (float)X / (float)Y; //calculate the aspect ratio
gluPerspective(60, aspect, 0.1, 1000000); //set up a perspective projection
}
//sets an OpenGL viewport taking up the left half of the window
void glut_render_left_projection(){
glMatrixMode(GL_PROJECTION); //load the projection matrix for editing
glLoadIdentity(); //start with the identity matrix
int X = glutGet(GLUT_WINDOW_WIDTH) / 2; //only use half of the screen for the viewport
int Y = glutGet(GLUT_WINDOW_HEIGHT);
glViewport(0, 0, X, Y); //specify the viewport on the left
float aspect = (float)X / (float)Y; //calculate the aspect ratio
gluPerspective(60, aspect, 0.1, 1000000); //set up a perspective projection
}
//sets an OpenGL viewport taking up the right half of the window
void glut_render_right_projection(){
glMatrixMode(GL_PROJECTION); //load the projection matrix for editing
glLoadIdentity(); //start with the identity matrix
int X = glutGet(GLUT_WINDOW_WIDTH) / 2; //only use half of the screen for the viewport
int Y = glutGet(GLUT_WINDOW_HEIGHT);
glViewport(X, 0, X, Y); //specify the viewport on the right
float aspect = (float)X / (float)Y; //calculate the aspect ratio
gluPerspective(60, aspect, 0.1, 1000000); //set up a perspective projection
}
void glut_render_modelview(){
glMatrixMode(GL_MODELVIEW); //load the modelview matrix for editing
glLoadIdentity(); //start with the identity matrix
stim::vec3<float> eye = cam.getPosition(); //get the camera position (eye point)
stim::vec3<float> focus = cam.getLookAt(); //get the camera focal point
stim::vec3<float> up = cam.getUp(); //get the camera "up" orientation
gluLookAt(eye[0], eye[1], eye[2], focus[0], focus[1], focus[2], up[0], up[1], up[2]); //set up the OpenGL camera
}
//draws the network(s)
void glut_render(void) {
if(num_nets == 1){ //if a single network is loaded
glut_render_single_projection(); //fill the entire viewport
glut_render_modelview(); //set up the modelview matrix with camera details
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear the screen
GT.glCenterline(GT.nmags() - 1); //render the GT network (the only one loaded)
}
if(num_nets == 2){ //if two networks are loaded
glut_render_left_projection(); //set up a projection for the left half of the window
glut_render_modelview(); //set up the modelview matrix using camera details
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear the screen
glEnable(GL_TEXTURE_1D); //enable texture mapping
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); //texture map will be used as the network color
glBindTexture(GL_TEXTURE_1D, cmap_tex); //bind the Brewer texture map
GT.glCenterline(GT.nmags() - 1); //render the GT network
glut_render_right_projection(); //set up a projection for the right half of the window
glut_render_modelview(); //set up the modelview matrix using camera details
T.glCenterline(T.nmags() - 1); //render the T network
}
glutSwapBuffers();
}
// defines camera motion based on mouse dragging
void glut_motion(int x, int y){
float theta = orbit_factor * (mouse_x - x); //determine the number of degrees along the x-axis to rotate
float phi = orbit_factor * (y - mouse_y); //number of degrees along the y-axis to rotate
cam.OrbitFocus(theta, phi); //rotate the camera around the focal point
mouse_x = x; //update the mouse position
mouse_y = y;
glutPostRedisplay(); //re-draw the visualization
}
// sets the mouse position when clicked
void glut_mouse(int button, int state, int x, int y){
mouse_x = x;
mouse_y = y;
}
#define BREWER_CTRL_PTS 11 //number of control points in the Brewer map
void texture_initialize(){
//define the colormap
static float brewer_map[BREWER_CTRL_PTS][3] = { //generate a Brewer color map (blue to red)
{0.192157f, 0.211765f, 0.584314f},
{0.270588f, 0.458824f, 0.705882f},
{0.454902f, 0.678431f, 0.819608f},
{0.670588f, 0.85098f, 0.913725f},
{0.878431f, 0.952941f, 0.972549f},
{1.0f, 1.0f, 0.74902f},
{0.996078f, 0.878431f, 0.564706f},
{0.992157f, 0.682353f, 0.380392f},
{0.956863f, 0.427451f, 0.262745f},
{0.843137f, 0.188235f, 0.152941f},
{0.647059f, 0.0f, 0.14902f}
};
glGenTextures(1, &cmap_tex); //generate a texture map name
glBindTexture(GL_TEXTURE_1D, cmap_tex); //bind the texture map
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); //enable linear interpolation
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP); //clamp the values at the minimum and maximum
glTexImage1D(GL_TEXTURE_1D, 0, 3, BREWER_CTRL_PTS, 0, GL_RGB, GL_FLOAT, //upload the texture map to the GPU
brewer_map);
}
//Initialize the OpenGL (GLUT) window, including starting resolution, callbacks, texture maps, and camera
void glut_initialize(){
int myargc = 1; //GLUT requires arguments, so create some bogus ones
char* myargv[1];
myargv [0]=strdup ("netmets");
glutInit(&myargc, myargv); //pass bogus arguments to glutInit()
glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA); //generate a color buffer, depth buffer, and enable double buffering
glutInitWindowPosition(100,100); //set the initial window position
glutInitWindowSize(320,320); //set the initial window size
glutCreateWindow("NetMets - STIM Lab, UH"); //set the dialog box title
// register callback functions
glutDisplayFunc(glut_render); //function executed for rendering - renders networks
glutMouseFunc(glut_mouse); //executed on a mouse click - sets starting mouse positions for rotations
glutMotionFunc(glut_motion); //executed when the mouse is moved while a button is pressed
texture_initialize(); //set up texture mapping (create texture maps, enable features)
stim::vec3<float> c = bb.center(); //get the center of the network bounding box
//place the camera along the z-axis at a distance determined by the network size along x and y
cam.setPosition(c + stim::vec<float>(0, 0, camera_factor * std::max(bb.size()[0], bb.size()[1])));
cam.LookAt(c[0], c[1], c[2]); //look at the center of the network
}
|
db598823
David Mayerich
fixed GCC errors ...
|
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
unsigned int e_t, e_gt, b_gt, b_t;
avgL_gt = GT.Lengths();
avgT_gt = GT.Tortuosities();
avgL_t = T.Lengths();
avgT_t = T.Tortuosities();
avgB_gt = GT.BranchingIndex();
avgB_t = T.BranchingIndex();
avgC_gt = GT.Contractions();
avgFD_gt = GT.FractalDimensions();
avgC_t = T.Contractions();
avgFD_t = T.FractalDimensions();
e_gt = GT.EndP();
e_t = T.EndP();
b_gt = GT.BranchP();
b_t = T.BranchP();
std::ofstream myfile;
myfile.open (filename.c_str());
myfile << "Length, Tortuosity, Contraction, Fractal Dimension, Branch Points, End points, Branching Index, \n";
myfile << avgL_gt << "," << avgT_gt << "," << avgC_gt << "," << avgFD_gt << "," << b_gt << "," << e_gt << "," << avgB_gt <<std::endl;
myfile << avgL_t << "," << avgT_t << "," << avgC_t << "," << avgFD_t << "," << b_t << "," << e_t << "," << avgB_t <<std::endl;
myfile.close();
}
// Output an advertisement for the lab, authors, and usage information
void advertise(){
std::cout<<std::endl<<std::endl;
std::cout<<"========================================================================="<<std::endl;
std::cout<<"Thank you for using the NetMets network comparison tool!"<<std::endl;
std::cout<<"Scalable Tissue Imaging and Modeling (STIM) Lab, University of Houston"<<std::endl;
std::cout<<"Developers: Pranathi Vemuri, David Mayerich"<<std::endl;
std::cout<<"Source: https://git.stim.ee.uh.edu/segmentation/netmets"<<std::endl;
std::cout<<"========================================================================="<<std::endl<<std::endl;
|