Commit d8c970c0 authored by Luis Penaranda's avatar Luis Penaranda
Browse files

towards passing automatically ZB parameters

parent f1178162

openglcanvas.cpp

+6 −0
Original line number Diff line number Diff line
@@ -709,6 +709,12 @@ void OpenGLCanvas::setShaders() { 


    GLuint p = glCreateProgram();



    // Bind attributes zblambda and zbR to the vertex shader

    glVertexAttrib1f(0,zblambda);

    glBindAttribLocation(p,0,"zblambda");

    glVertexAttrib1f(1,zbR);

    glBindAttribLocation(p,1,"zbR");



    glAttachShader(p,v);

    glAttachShader(p,f);

shaders/test_vertex_shader.vert

+3 −2
Original line number Diff line number Diff line
@@ -6,7 +6,9 @@ float u, v, x, y, z; 
varying float r, theta, s;

float lambda, phi;

float extent, scale, vis_mode, center_lambda, center_phi;

varying float zblambda,zbr,zbR,zbalpha,zbrho;

float zbr,zbalpha,zbrho;

/*attribute*/ float zblambda;

/*attribute*/ float zbR;



void main(void){
@@ -85,7 +87,6 @@ void main(void){ 
        u=x/(-z);

        v=y/(-z);

        // Z-B transformation

        // TODO: read zblambda and zbR from the interface

        zblambda=0.1;

        zbR=1.0;

        zbalpha=atan(v,u);