Commit db598823d738e9bbd29e5546cf14c89df3869910
1 parent
94a07643
fixed GCC errors and warnings associated with NetMets
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1 | +#include <stdlib.h> | ||
2 | +#include <string> | ||
3 | +#include <fstream> | ||
4 | +#include <algorithm> | ||
5 | + | ||
6 | +//OpenGL includes | ||
7 | +#include <GL/glut.h> | ||
8 | +#include <GL/freeglut.h> | ||
9 | + | ||
10 | +//STIM includes | ||
11 | +#include <stim/visualization/gl_network.h> | ||
12 | +#include <stim/biomodels/network.h> | ||
13 | +#include <stim/visualization/gl_aaboundingbox.h> | ||
14 | +#include <stim/parser/arguments.h> | ||
15 | +#include <stim/visualization/camera.h> | ||
16 | + | ||
17 | +//ANN includes | ||
18 | +//#include <ANN/ANN.h> | ||
19 | + | ||
20 | +//BOOST includes | ||
21 | +#include <boost/tuple/tuple.hpp> | ||
22 | + | ||
23 | +//visualization objects | ||
24 | +stim::gl_aaboundingbox<float> bb; //axis-aligned bounding box object | ||
25 | +stim::camera cam; //camera object | ||
26 | + | ||
27 | +unsigned num_nets = 0; | ||
28 | +stim::gl_network<float> GT; //ground truth network | ||
29 | +stim::gl_network<float> T; //test network | ||
30 | + | ||
31 | +//hard-coded parameters | ||
32 | +float resample_rate = 0.5; //sample rate for the network (fraction of sigma used as the maximum sample rate) | ||
33 | +float camera_factor = 1.2; //start point of the camera as a function of X and Y size | ||
34 | +float orbit_factor = 0.01; //degrees per pixel used to orbit the camera | ||
35 | + | ||
36 | +//mouse position tracking | ||
37 | +int mouse_x; | ||
38 | +int mouse_y; | ||
39 | + | ||
40 | +//OpenGL objects | ||
41 | +GLuint cmap_tex = 0; //texture name for the color map | ||
42 | + | ||
43 | +//sets an OpenGL viewport taking up the entire window | ||
44 | +void glut_render_single_projection(){ | ||
45 | + | ||
46 | + glMatrixMode(GL_PROJECTION); //load the projection matrix for editing | ||
47 | + glLoadIdentity(); //start with the identity matrix | ||
48 | + int X = glutGet(GLUT_WINDOW_WIDTH); //use the whole screen for rendering | ||
49 | + int Y = glutGet(GLUT_WINDOW_HEIGHT); | ||
50 | + glViewport(0, 0, X, Y); //specify a viewport for the entire window | ||
51 | + float aspect = (float)X / (float)Y; //calculate the aspect ratio | ||
52 | + gluPerspective(60, aspect, 0.1, 1000000); //set up a perspective projection | ||
53 | +} | ||
54 | + | ||
55 | +//sets an OpenGL viewport taking up the left half of the window | ||
56 | +void glut_render_left_projection(){ | ||
57 | + | ||
58 | + glMatrixMode(GL_PROJECTION); //load the projection matrix for editing | ||
59 | + glLoadIdentity(); //start with the identity matrix | ||
60 | + int X = glutGet(GLUT_WINDOW_WIDTH) / 2; //only use half of the screen for the viewport | ||
61 | + int Y = glutGet(GLUT_WINDOW_HEIGHT); | ||
62 | + glViewport(0, 0, X, Y); //specify the viewport on the left | ||
63 | + float aspect = (float)X / (float)Y; //calculate the aspect ratio | ||
64 | + gluPerspective(60, aspect, 0.1, 1000000); //set up a perspective projection | ||
65 | +} | ||
66 | + | ||
67 | +//sets an OpenGL viewport taking up the right half of the window | ||
68 | +void glut_render_right_projection(){ | ||
69 | + | ||
70 | + glMatrixMode(GL_PROJECTION); //load the projection matrix for editing | ||
71 | + glLoadIdentity(); //start with the identity matrix | ||
72 | + int X = glutGet(GLUT_WINDOW_WIDTH) / 2; //only use half of the screen for the viewport | ||
73 | + int Y = glutGet(GLUT_WINDOW_HEIGHT); | ||
74 | + glViewport(X, 0, X, Y); //specify the viewport on the right | ||
75 | + float aspect = (float)X / (float)Y; //calculate the aspect ratio | ||
76 | + gluPerspective(60, aspect, 0.1, 1000000); //set up a perspective projection | ||
77 | +} | ||
78 | + | ||
79 | +void glut_render_modelview(){ | ||
80 | + | ||
81 | + glMatrixMode(GL_MODELVIEW); //load the modelview matrix for editing | ||
82 | + glLoadIdentity(); //start with the identity matrix | ||
83 | + stim::vec3<float> eye = cam.getPosition(); //get the camera position (eye point) | ||
84 | + stim::vec3<float> focus = cam.getLookAt(); //get the camera focal point | ||
85 | + stim::vec3<float> up = cam.getUp(); //get the camera "up" orientation | ||
86 | + | ||
87 | + gluLookAt(eye[0], eye[1], eye[2], focus[0], focus[1], focus[2], up[0], up[1], up[2]); //set up the OpenGL camera | ||
88 | +} | ||
89 | + | ||
90 | +//draws the network(s) | ||
91 | +void glut_render(void) { | ||
92 | + | ||
93 | + if(num_nets == 1){ //if a single network is loaded | ||
94 | + glut_render_single_projection(); //fill the entire viewport | ||
95 | + glut_render_modelview(); //set up the modelview matrix with camera details | ||
96 | + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear the screen | ||
97 | + GT.glCenterline(GT.nmags() - 1); //render the GT network (the only one loaded) | ||
98 | + } | ||
99 | + | ||
100 | + if(num_nets == 2){ //if two networks are loaded | ||
101 | + | ||
102 | + glut_render_left_projection(); //set up a projection for the left half of the window | ||
103 | + glut_render_modelview(); //set up the modelview matrix using camera details | ||
104 | + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clear the screen | ||
105 | + | ||
106 | + glEnable(GL_TEXTURE_1D); //enable texture mapping | ||
107 | + glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); //texture map will be used as the network color | ||
108 | + glBindTexture(GL_TEXTURE_1D, cmap_tex); //bind the Brewer texture map | ||
109 | + | ||
110 | + GT.glCenterline(GT.nmags() - 1); //render the GT network | ||
111 | + | ||
112 | + glut_render_right_projection(); //set up a projection for the right half of the window | ||
113 | + glut_render_modelview(); //set up the modelview matrix using camera details | ||
114 | + T.glCenterline(T.nmags() - 1); //render the T network | ||
115 | + | ||
116 | + } | ||
117 | + | ||
118 | + glutSwapBuffers(); | ||
119 | +} | ||
120 | + | ||
121 | +// defines camera motion based on mouse dragging | ||
122 | +void glut_motion(int x, int y){ | ||
123 | + | ||
124 | + | ||
125 | + float theta = orbit_factor * (mouse_x - x); //determine the number of degrees along the x-axis to rotate | ||
126 | + float phi = orbit_factor * (y - mouse_y); //number of degrees along the y-axis to rotate | ||
127 | + | ||
128 | + cam.OrbitFocus(theta, phi); //rotate the camera around the focal point | ||
129 | + | ||
130 | + mouse_x = x; //update the mouse position | ||
131 | + mouse_y = y; | ||
132 | + | ||
133 | + glutPostRedisplay(); //re-draw the visualization | ||
134 | +} | ||
135 | + | ||
136 | +// sets the mouse position when clicked | ||
137 | +void glut_mouse(int button, int state, int x, int y){ | ||
138 | + mouse_x = x; | ||
139 | + mouse_y = y; | ||
140 | +} | ||
141 | + | ||
142 | +#define BREWER_CTRL_PTS 11 //number of control points in the Brewer map | ||
143 | +void texture_initialize(){ | ||
144 | + | ||
145 | + //define the colormap | ||
146 | + static float brewer_map[BREWER_CTRL_PTS][3] = { //generate a Brewer color map (blue to red) | ||
147 | + {0.192157f, 0.211765f, 0.584314f}, | ||
148 | + {0.270588f, 0.458824f, 0.705882f}, | ||
149 | + {0.454902f, 0.678431f, 0.819608f}, | ||
150 | + {0.670588f, 0.85098f, 0.913725f}, | ||
151 | + {0.878431f, 0.952941f, 0.972549f}, | ||
152 | + {1.0f, 1.0f, 0.74902f}, | ||
153 | + {0.996078f, 0.878431f, 0.564706f}, | ||
154 | + {0.992157f, 0.682353f, 0.380392f}, | ||
155 | + {0.956863f, 0.427451f, 0.262745f}, | ||
156 | + {0.843137f, 0.188235f, 0.152941f}, | ||
157 | + {0.647059f, 0.0f, 0.14902f} | ||
158 | + }; | ||
159 | + | ||
160 | + glGenTextures(1, &cmap_tex); //generate a texture map name | ||
161 | + glBindTexture(GL_TEXTURE_1D, cmap_tex); //bind the texture map | ||
162 | + | ||
163 | + glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); //enable linear interpolation | ||
164 | + glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); | ||
165 | + glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP); //clamp the values at the minimum and maximum | ||
166 | + glTexImage1D(GL_TEXTURE_1D, 0, 3, BREWER_CTRL_PTS, 0, GL_RGB, GL_FLOAT, //upload the texture map to the GPU | ||
167 | + brewer_map); | ||
168 | +} | ||
169 | + | ||
170 | +//Initialize the OpenGL (GLUT) window, including starting resolution, callbacks, texture maps, and camera | ||
171 | +void glut_initialize(){ | ||
172 | + | ||
173 | + int myargc = 1; //GLUT requires arguments, so create some bogus ones | ||
174 | + char* myargv[1]; | ||
175 | + myargv [0]=strdup ("netmets"); | ||
176 | + | ||
177 | + glutInit(&myargc, myargv); //pass bogus arguments to glutInit() | ||
178 | + glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA); //generate a color buffer, depth buffer, and enable double buffering | ||
179 | + glutInitWindowPosition(100,100); //set the initial window position | ||
180 | + glutInitWindowSize(320,320); //set the initial window size | ||
181 | + glutCreateWindow("NetMets - STIM Lab, UH"); //set the dialog box title | ||
182 | + | ||
183 | + | ||
184 | + // register callback functions | ||
185 | + glutDisplayFunc(glut_render); //function executed for rendering - renders networks | ||
186 | + glutMouseFunc(glut_mouse); //executed on a mouse click - sets starting mouse positions for rotations | ||
187 | + glutMotionFunc(glut_motion); //executed when the mouse is moved while a button is pressed | ||
188 | + | ||
189 | + texture_initialize(); //set up texture mapping (create texture maps, enable features) | ||
190 | + | ||
191 | + stim::vec3<float> c = bb.center(); //get the center of the network bounding box | ||
192 | + | ||
193 | + //place the camera along the z-axis at a distance determined by the network size along x and y | ||
194 | + cam.setPosition(c + stim::vec<float>(0, 0, camera_factor * std::max(bb.size()[0], bb.size()[1]))); | ||
195 | + cam.LookAt(c[0], c[1], c[2]); //look at the center of the network | ||
196 | +} | ||
197 | + | ||
198 | +//compare both networks and fill the networks with error information | ||
199 | +void compare(float sigma){ | ||
200 | + | ||
201 | + GT = GT.compare(T, sigma); //compare the ground truth to the test case - store errors in GT | ||
202 | + T = T.compare(GT, sigma); //compare the test case to the ground truth - store errors in T | ||
203 | + | ||
204 | + //calculate the metrics | ||
205 | + float FPR = GT.average(1); //calculate the metrics | ||
206 | + float FNR = T.average(1); | ||
207 | + | ||
208 | + std::cout << "FNR: " << FPR << std::endl; //print false alarms and misses | ||
209 | + std::cout << "FPR: " << FNR << std::endl; | ||
210 | +} | ||
211 | + | ||
212 | +// writes features of the networks i.e average segment length, tortuosity, branching index, contraction, fractal dimension, number of end and branch points to a csv file | ||
213 | +// Pranathi wrote this - saves network features to a CSV file | ||
214 | +void features(std::string filename){ | ||
215 | + double avgL_t, avgL_gt, avgT_t, avgT_gt, avgB_t, avgB_gt, avgC_t, avgC_gt, avgFD_t, avgFD_gt; | ||
216 | + unsigned int e_t, e_gt, b_gt, b_t; | ||
217 | + avgL_gt = GT.Lengths(); | ||
218 | + avgT_gt = GT.Tortuosities(); | ||
219 | + avgL_t = T.Lengths(); | ||
220 | + avgT_t = T.Tortuosities(); | ||
221 | + avgB_gt = GT.BranchingIndex(); | ||
222 | + avgB_t = T.BranchingIndex(); | ||
223 | + avgC_gt = GT.Contractions(); | ||
224 | + avgFD_gt = GT.FractalDimensions(); | ||
225 | + avgC_t = T.Contractions(); | ||
226 | + avgFD_t = T.FractalDimensions(); | ||
227 | + e_gt = GT.EndP(); | ||
228 | + e_t = T.EndP(); | ||
229 | + b_gt = GT.BranchP(); | ||
230 | + b_t = T.BranchP(); | ||
231 | + std::ofstream myfile; | ||
232 | + myfile.open (filename.c_str()); | ||
233 | + myfile << "Length, Tortuosity, Contraction, Fractal Dimension, Branch Points, End points, Branching Index, \n"; | ||
234 | + myfile << avgL_gt << "," << avgT_gt << "," << avgC_gt << "," << avgFD_gt << "," << b_gt << "," << e_gt << "," << avgB_gt <<std::endl; | ||
235 | + myfile << avgL_t << "," << avgT_t << "," << avgC_t << "," << avgFD_t << "," << b_t << "," << e_t << "," << avgB_t <<std::endl; | ||
236 | + myfile.close(); | ||
237 | +} | ||
238 | + | ||
239 | +// Output an advertisement for the lab, authors, and usage information | ||
240 | +void advertise(){ | ||
241 | + std::cout<<std::endl<<std::endl; | ||
242 | + std::cout<<"========================================================================="<<std::endl; | ||
243 | + std::cout<<"Thank you for using the NetMets network comparison tool!"<<std::endl; | ||
244 | + std::cout<<"Scalable Tissue Imaging and Modeling (STIM) Lab, University of Houston"<<std::endl; | ||
245 | + std::cout<<"Developers: Pranathi Vemuri, David Mayerich"<<std::endl; | ||
246 | + std::cout<<"Source: https://git.stim.ee.uh.edu/segmentation/netmets"<<std::endl; | ||
247 | + std::cout<<"========================================================================="<<std::endl<<std::endl; | ||
248 | + | ||
249 | + std::cout<<"usage: netmets file1 file2 --sigma 10"<<std::endl; | ||
250 | + std::cout<<" compare two files with a tolerance of 10 (units defined by the network)"<<std::endl; | ||
251 | + std::cout<<" netmets file1 --gui"<<std::endl<<std::endl; | ||
252 | + std::cout<<" load a file and display it using OpenGL"<<std::endl; | ||
253 | +} | ||
254 | + | ||
255 | +int main(int argc, char* argv[]) | ||
256 | +{ | ||
257 | + stim::arglist args; //create an instance of arglist | ||
258 | + | ||
259 | + //add arguments | ||
260 | + args.add("help", "prints this help"); | ||
261 | + args.add("sigma", "force a sigma value to specify the tolerance of the network comparison", "10"); | ||
262 | + args.add("gui", "display the network or network comparison using OpenGL"); | ||
263 | + args.add("features", "save features to a CSV file, specify file name"); | ||
264 | + | ||
265 | + args.parse(argc, argv); //parse the user arguments | ||
266 | + | ||
267 | + if(args["help"].is_set() || args.nargs() == 0){ //test for help | ||
268 | + advertise(); //output the advertisement | ||
269 | + std::cout<<args.str(); //output arguments | ||
270 | + exit(1); //exit | ||
271 | + } | ||
272 | + | ||
273 | + if(args.nargs() >= 1){ //if at least one network file is specified | ||
274 | + num_nets = 1; //set the number of networks to one | ||
275 | + GT.load_obj(args.arg(0)); //load the specified file as the ground truth | ||
276 | + /*GT.to_txt("Graph.txt");*/ | ||
277 | + } | ||
278 | + | ||
279 | + if(args.nargs() == 2){ //if two files are specified, they will be displayed in neighboring viewports and compared | ||
280 | + num_nets = 2; //set the number of networks to two | ||
281 | + float sigma = args["sigma"].as_float(); //get the sigma value from the user | ||
282 | + T.load_obj(args.arg(1)); //load the second (test) network | ||
283 | + if(args["features"].is_set()) //if the user wants to save features | ||
284 | + features(args["features"].as_string()); | ||
285 | + GT = GT.resample(resample_rate * sigma); //resample both networks based on the sigma value | ||
286 | + T = T.resample(resample_rate * sigma); | ||
287 | + compare(sigma); //run the comparison algorithm | ||
288 | + } | ||
289 | + | ||
290 | + //if a GUI is requested, display the network using OpenGL | ||
291 | + if(args["gui"].is_set()){ | ||
292 | + bb = GT.boundingbox(); //generate a bounding volume | ||
293 | + glut_initialize(); //create the GLUT window and set callback functions | ||
294 | + glutMainLoop(); // enter GLUT event processing cycle | ||
295 | + } | ||
296 | +} |