Correct coordinate transformation

modules/iswa/rendering/datasphere.cpp

@@ -43,6 +43,8 @@ DataSphere::DataSphere(const ghoul::Dictionary& dictionary)
     _programName = "DataSphereProgram";
     _vsPath = "${MODULE_ISWA}/shaders/datasphere_vs.glsl";
     _fsPath = "${MODULE_ISWA}/shaders/datasphere_fs.glsl";
+
+
 }
 
 DataSphere::~DataSphere(){}
@@ -50,6 +52,9 @@ DataSphere::~DataSphere(){}
 bool DataSphere::initialize(){
     IswaCygnet::initialize();
 
+    //rotate 90 degrees because of the texture coordinates in PowerScaledSphere
+    _rotation = glm::rotate(_rotation, (float)M_PI_2, glm::vec3(1.0, 0.0, 0.0));
+
     if(_group){
         _dataProcessor = _group->dataProcessor();
         subscribeToGroup();

modules/iswa/rendering/iswacygnet.cpp

@@ -42,6 +42,7 @@ IswaCygnet::IswaCygnet(const ghoul::Dictionary& dictionary)
     , _shader(nullptr)
     , _group(nullptr)
     , _textureDirty(false)
+    , _rotation(glm::mat4(1.0f))
 {
     std::string name;
     dictionary.getValue("Name", name);
@@ -146,12 +147,12 @@ void IswaCygnet::render(const RenderData& data){
     psc position = data.position;
     glm::mat4 transform = glm::mat4(1.0);
 
-    glm::mat4 rot = glm::mat4(1.0);
     for (int i = 0; i < 3; i++){
         for (int j = 0; j < 3; j++){
             transform[i][j] = static_cast<float>(_stateMatrix[i][j]);
         }
     }
+    transform = transform*_rotation;
 
     position += transform*glm::vec4(_data->spatialScale.x*_data->offset, _data->spatialScale.w);
     

modules/iswa/rendering/iswacygnet.h

@@ -142,6 +142,7 @@ protected:
     std::string _fsPath;
     std::string _programName;
 
+    glm::mat4 _rotation; //to rotate objects with fliped texture coordniates
 private:
     bool destroyShader();
     glm::dmat3 _stateMatrix;
@@ -152,6 +153,7 @@ private:
     std::chrono::milliseconds _realTime;
     std::chrono::milliseconds _lastUpdateRealTime;
     int _minRealTimeUpdateInterval;
+
 };
 
 }//namespace openspace