# HG changeset patch
# User morozov@geomdm.geomagic.com
# Date 1150123560 14400
# Node ID 9ac2dc8d1e2414098997fe64b2562c2f79010331
# Parent 1168ca87fd4ef7c6d7b153f8f2d529b10ad6ac10
Reads and displays vertices, edges, and faces
diff -r 1168ca87fd4e -r 9ac2dc8d1e24 VEFViewer.cpp
--- a/VEFViewer.cpp Mon Jun 12 09:33:54 2006 -0400
+++ b/VEFViewer.cpp Mon Jun 12 10:46:00 2006 -0400
@@ -7,6 +7,13 @@
restoreStateFromFile();
}
+void VEFViewer::init()
+{
+ setBackgroundColor(QColor(0xAA, 0xAA, 0xAA));
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+}
+
void VEFViewer::addFile(QString s)
{
GLuint display_list;
@@ -15,25 +22,34 @@
QString ext = fi.suffix();
if (ext == "vrt")
- display_list = readVertexFile(s);
+ readVertexFile(s);
else if (ext == "edg")
- display_list = readEdgeFile(s);
+ readEdgeFile(s);
else if (ext == "stl")
- display_list = readSTLFile(s);
+ readSTLFile(s);
else
return;
- modelList->addItem(new QDisplayListLWI(fi.baseName(), display_list));
+ setSceneBoundingBox(min, max);
+ setSceneCenter(center);
+ camera()->centerScene();
+ camera()->showEntireScene();
+
+ std::cout << "Min: " << min << std::endl;
+ std::cout << "Max: " << max << std::endl;
+ std::cout << "Center: " << center << std::endl;
}
// Draws a spiral
void VEFViewer::draw()
{
+ const GLfloat light_pos0[4] = {center.x, center.y, center.z, 1.0};
+ glLightfv(GL_LIGHT0, GL_POSITION, light_pos0);
+
for (int i = 0; i < modelList->count(); i++)
{
QDisplayListLWI* dl = static_cast<QDisplayListLWI*>(modelList->item(i));
- glColor3f(1., 1., 1.);
- glCallList(dl->getDisplayList());
+ dl->display();
}
}
@@ -55,108 +71,54 @@
if (!s.isNull())
addFile(s);
}
- setSceneBoundingBox(min, max);
if (!handled)
QGLViewer::keyPressEvent(e);
}
-GLuint VEFViewer::readVertexFile(QString s)
-{
- FILE* file;
- if ((file = fopen(s.toLocal8Bit().data(), "r")) == NULL)
- {
- qDebug() << "Could not open file " << s << " for reading";
- return 0;
- }
-
- GLuint list = glGenLists(1);
- glNewList(list, GL_COMPILE);
- glBegin(GL_POINTS);
-
- float x,y,z;
- int result = fscanf(file, "%f %f %f", &x, &y, &z);
- while(result != EOF)
- {
- glVertex3f(x,y,z);
- updateMinMax(x,y,z);
- result = fscanf(file, "%f %f %f", &x, &y, &z);
- }
-
- glEnd();
- glEndList();
- fclose(file);
-
- return list;
-}
-
-GLuint VEFViewer::readEdgeFile(QString s)
-{
-}
-
-GLuint VEFViewer::readSTLFile(QString s)
+void VEFViewer::readVertexFile(QString s)
{
FILE* file;
if ((file = fopen(s.toLocal8Bit().data(), "r")) == NULL)
{
qDebug() << "Could not open file " << s << " for reading";
- return 0;
+ return;
+ }
+
+ QFileInfo fi(s);
+ modelList->addItem(new QVerticesLWI(fi.baseName(), file, this));
+ fclose(file);
+}
+
+void VEFViewer::readEdgeFile(QString s)
+{
+ FILE* file;
+ if ((file = fopen(s.toLocal8Bit().data(), "r")) == NULL)
+ {
+ qDebug() << "Could not open file " << s << " for reading";
+ return;
}
- GLuint list = glGenLists(1);
- glNewList(list, GL_COMPILE);
- glBegin(GL_TRIANGLES);
-
- float nx,ny,nz;
- float x0,y0,z0;
- float x1,y1,z1;
- float x2,y2,z2;
-
- int result = readFacet(file, nx,ny,nz, x0,y0,z0, x1,y1,z1, x2,y2,z2);
- //while(result != EOF)
- //{
- glNormal3f(nx,ny,nz);
-
- glVertex3f(x0,y0,z0);
- glVertex3f(x1,y1,z1);
- glVertex3f(x2,y2,z2);
-
- std::cout << "Adding triangle" << std::endl;
- std::cout << nx << " " << ny << " " << nz << std::endl;
- std::cout << x0 << " " << y0 << " " << z0 << std::endl;
- std::cout << x1 << " " << y1 << " " << z1 << std::endl;
- std::cout << x2 << " " << y2 << " " << z2 << std::endl;
-
- updateMinMax(x0,y0,z0);
- updateMinMax(x1,y1,z1);
- updateMinMax(x2,y2,z2);
-
- // result = readFacet(file, nx,ny,nz, x0,y0,z0, x1,y1,z1, x2,y2,z2);
- //}
-
- glEnd();
- glEndList();
+ QFileInfo fi(s);
+ modelList->addItem(new QEdgesLWI(fi.baseName(), file, this));
fclose(file);
-
- return list;
}
-int VEFViewer::readFacet(FILE* file,
- float& nx, float& ny, float& nz,
- float& x0, float& y0, float& z0,
- float& x1, float& y1, float& z1,
- float& x2, float& y2, float& z2)
+void VEFViewer::readSTLFile(QString s)
{
- int result = fscanf(file, "facet normal %f %f %f\n", &nx, &ny, &nz);
- result = fscanf(file, "outer loop\n");
- result = fscanf(file, "vertex %f %f %f\n", &x0, &y0, &z0);
- result = fscanf(file, "vertex %f %f %f\n", &x1, &y1, &z1);
- result = fscanf(file, "vertex %f %f %f\n", &x2, &y2, &z2);
- result = fscanf(file, "endloop\n");
- result = fscanf(file, "endfacet\n");
- return result;
+ FILE* file;
+ if ((file = fopen(s.toLocal8Bit().data(), "r")) == NULL)
+ {
+ qDebug() << "Could not open file " << s << " for reading";
+ return;
+ }
+
+ QFileInfo fi(s);
+ modelList->addItem(new QFacesLWI(fi.baseName(), file, this));
+ fclose(file);
}
+
void VEFViewer::updateMinMax(float x, float y, float z)
{
if (x < min.x) min.x = x;
@@ -166,5 +128,156 @@
if (x > max.x) max.x = x;
if (y > max.y) max.y = y;
if (z > max.z) max.z = z;
+
+ updateWeightedCenter(x, y, z);
+}
+
+void VEFViewer::updateWeightedCenter(float x, float y, float z)
+{
+ vertex_count++;
+ center.x = float(vertex_count - 1)/vertex_count * center.x + x/vertex_count;
+ center.y = float(vertex_count - 1)/vertex_count * center.y + y/vertex_count;
+ center.z = float(vertex_count - 1)/vertex_count * center.z + z/vertex_count;
+}
+
+
+// QVertices
+void QVerticesLWI::display() const
+{
+ glColor3f(.5, .65, .65);
+ glCallList(display_list);
+}
+
+QVerticesLWI::QVerticesLWI(QString name, FILE* file, VEFViewer* v):
+ QDisplayListLWI(name)
+{
+ display_list = glGenLists(1);
+ glNewList(display_list, GL_COMPILE);
+ glBegin(GL_POINTS);
+
+ float x,y,z;
+ int result = fscanf(file, "%f %f %f", &x, &y, &z);
+ while(result != EOF)
+ {
+ glVertex3f(x,y,z);
+ v->updateMinMax(x,y,z);
+ result = fscanf(file, "%f %f %f", &x, &y, &z);
+ }
+
+ glEnd();
+ glEndList();
+}
+
+
+// QFaces
+void QFacesLWI::display() const
+{
+ glColor3f(0., .4, .6);
+ glCallList(display_list);
}
+QFacesLWI::QFacesLWI(QString name, FILE* file, VEFViewer* v):
+ QDisplayListLWI(name)
+{
+ display_list = glGenLists(1);
+ glNewList(display_list, GL_COMPILE);
+ glBegin(GL_TRIANGLES);
+
+ float nx,ny,nz;
+ float x0,y0,z0;
+ float x1,y1,z1;
+ float x2,y2,z2;
+
+ int result = readFacet(file, nx,ny,nz, x0,y0,z0, x1,y1,z1, x2,y2,z2);
+ while(result != EOF)
+ {
+ glNormal3f(nx,ny,nz);
+
+ glVertex3f(x0,y0,z0);
+ glVertex3f(x1,y1,z1);
+ glVertex3f(x2,y2,z2);
+
+#if 0
+ std::cout << "Adding triangle" << std::endl;
+ std::cout << nx << " " << ny << " " << nz << std::endl;
+ std::cout << x0 << " " << y0 << " " << z0 << std::endl;
+ std::cout << x1 << " " << y1 << " " << z1 << std::endl;
+ std::cout << x2 << " " << y2 << " " << z2 << std::endl;
+#endif
+
+ v->updateMinMax(x0,y0,z0);
+ v->updateMinMax(x1,y1,z1);
+ v->updateMinMax(x2,y2,z2);
+
+ result = readFacet(file, nx,ny,nz, x0,y0,z0, x1,y1,z1, x2,y2,z2);
+ }
+
+ glEnd();
+ glEndList();
+}
+
+int QFacesLWI::readFacet(FILE* file,
+ float& nx, float& ny, float& nz,
+ float& x0, float& y0, float& z0,
+ float& x1, float& y1, float& z1,
+ float& x2, float& y2, float& z2)
+{
+
+
+ int result = fscanf(file, "%*s %*s %f %f %f", &nx, &ny, &nz);
+ result = fscanf(file, "%*s %*s");
+ result = fscanf(file, "%*s %f %f %f", &x0, &y0, &z0);
+ result = fscanf(file, "%*s %f %f %f", &x1, &y1, &z1);
+ result = fscanf(file, "%*s %f %f %f", &x2, &y2, &z2);
+ result = fscanf(file, "%*s");
+ result = fscanf(file, "%*s");
+ return result;
+}
+
+// QEdges
+void QEdgesLWI::display() const
+{
+ glColor3f(.6, .2, .6);
+ glCallList(display_list);
+}
+
+QEdgesLWI::QEdgesLWI(QString name, FILE* file, VEFViewer* v):
+ QDisplayListLWI(name)
+{
+ display_list = glGenLists(1);
+ glNewList(display_list, GL_COMPILE);
+ glBegin(GL_LINES);
+
+ float nx,ny,nz;
+ float x0,y0,z0;
+ float x1,y1,z1;
+
+ int result = readEdge(file, x0,y0,z0, x1,y1,z1);
+ while(result != EOF)
+ {
+ glVertex3f(x0,y0,z0);
+ glVertex3f(x1,y1,z1);
+
+ v->updateMinMax(x0,y0,z0);
+ v->updateMinMax(x1,y1,z1);
+
+ result = readEdge(file, x0,y0,z0, x1,y1,z1);
+ }
+
+ glEnd();
+ glEndList();
+}
+
+int QEdgesLWI::readEdge (FILE* file,
+ float& x0, float& y0, float& z0,
+ float& x1, float& y1, float& z1)
+{
+ int result = fscanf(file, "%f %f %f", &x0, &y0, &z0);
+ result = fscanf(file, "%f %f %f", &x1, &y1, &z1);
+
+ std::cout << x0 << ' ' << y0 << ' ' << z0 << std::endl;
+ std::cout << x1 << ' ' << y1 << ' ' << z1 << std::endl;
+ return result;
+}
+
+
diff -r 1168ca87fd4e -r 9ac2dc8d1e24 VEFViewer.h
--- a/VEFViewer.h Mon Jun 12 09:33:54 2006 -0400
+++ b/VEFViewer.h Mon Jun 12 10:46:00 2006 -0400
@@ -12,40 +12,74 @@
void addFile(QString s);
void setModelList(QListWidget* l) { modelList = l; }
+ void updateMinMax(float x, float y, float z);
+ void init();
+
protected:
virtual void draw();
virtual QString helpString() const;
virtual void keyPressEvent(QKeyEvent *e);
private:
- GLuint readVertexFile(QString s);
- GLuint readEdgeFile(QString s);
- GLuint readSTLFile(QString s);
- void updateMinMax(float x, float y, float z);
+ void readVertexFile(QString s);
+ void readEdgeFile(QString s);
+ void readSTLFile(QString s);
+ void updateWeightedCenter(float x, float y, float z);
+ QListWidget* modelList;
+
+ qglviewer::Vec min, max, center;
+ unsigned int vertex_count;
+};
+
+class QDisplayListLWI: public QListWidgetItem
+{
+ public:
+ QDisplayListLWI(QString name):
+ QListWidgetItem(name)
+ {}
+ GLuint getDisplayList() const { return display_list; }
+ ~QDisplayListLWI() { glDeleteLists(display_list, 1); }
+
+ virtual void display() const =0;
+
+ protected:
+ GLuint display_list;
+
+};
+
+class QVerticesLWI: public QDisplayListLWI
+{
+ public:
+ QVerticesLWI(QString name, FILE* file, VEFViewer* v);
+ virtual void display() const;
+};
+
+class QFacesLWI: public QDisplayListLWI
+{
+ public:
+ QFacesLWI(QString name, FILE* file, VEFViewer* v);
+ virtual void display() const;
+
+ private:
int readFacet(FILE* file,
float& nx, float& ny, float& nz,
float& x0, float& y0, float& z0,
float& x1, float& y1, float& z1,
float& x2, float& y2, float& z2);
-
- QListWidget* modelList;
-
- qglviewer::Vec min, max;
};
-class QDisplayListLWI: public QListWidgetItem
+class QEdgesLWI: public QDisplayListLWI
{
public:
- QDisplayListLWI(QString name, GLuint dl):
- QListWidgetItem(name), display_list(dl)
- {}
- GLuint getDisplayList() const { return display_list; }
- ~QDisplayListLWI() { glDeleteLists(display_list, 1); }
+ QEdgesLWI(QString name, FILE* file, VEFViewer* v);
+ virtual void display() const;
private:
- GLuint display_list;
-
+ int readEdge (FILE* file,
+ float& x0, float& y0, float& z0,
+ float& x1, float& y1, float& z1);
};
+
#endif // __VEFVIEWER_H__