Commit 09c102a7 authored by Luis Penaranda's avatar Luis Penaranda
Browse files

added perspective visualization

parent d2c03e50

openglcanvas.cpp

+3 −3
Original line number Diff line number Diff line
@@ -425,7 +425,7 @@ void OpenGLCanvas::vertex_transformation(float *positions, int m, int n, float c 
            lambda=atan2f(x,-z)/CONST_PI_F;

            phi=asinf(y)/CONST_PI_2_F;



            if (visualization=="Moebius"){

            if (visualization=="Moebius" || visualization=="Perspective"){

                u = x/(-z);

                v = y/(-z);

                positions[3*(j+i*n)] = u/extent;
@@ -535,7 +535,7 @@ float OpenGLCanvas::calculate_extent(float fov_rads){ 
    x=(4.f*u)/(u*u+v*v+4.f);

    y=(4.f*v)/(u*u+v*v+4.f);

    z=(u*u+v*v-4.f)/(u*u+v*v+4.f);

    if (visualization=="Moebius"){

    if (visualization=="Moebius" || visualization=="Perspective"){

        u=x/(-z);

        v=y/(-z);

    }
@@ -774,7 +774,7 @@ void OpenGLCanvas::paintGL(){ 
    // defining transformation parameters (that will be passed to the vertex shader)

    float extent=calculate_extent(fov_rads);

    float vis_mode=.0f;

    if (visualization=="Moebius") vis_mode=1.f;

    if (visualization=="Moebius" || visualization=="Perspective") vis_mode=1.f;

    else if (visualization=="3D Sphere") vis_mode=2.f;

    else if (visualization=="Equi-Rectangular") vis_mode=3.f;

    else if (visualization=="Stereographic") vis_mode=4.f;

panowindow1.ui

+8 −3
Original line number Diff line number Diff line
@@ -192,6 +192,11 @@ 
       <string>Equi-Rectangular</string>

      </property>

     </item>

     <item>

      <property name="text">

       <string>Perspective</string>

      </property>

     </item>

     <item>

      <property name="text">

       <string>Stereographic</string>
@@ -199,17 +204,17 @@ 
     </item>

     <item>

      <property name="text">

       <string>Mercator</string>

       <string>Orthographic</string>

      </property>

     </item>

     <item>

      <property name="text">

       <string>Zorin-Barr</string>

       <string>Mercator</string>

      </property>

     </item>

     <item>

      <property name="text">

       <string>Orthographic</string>

       <string>Zorin-Barr</string>

      </property>

     </item>

    </widget>