ra dec translation

data/assets/dsn.scene

@@ -21,6 +21,7 @@ asset.require('scene/solarsystem/dsn/stations')
 --Communication
 --assetHelper.requestAll(asset, 'scene/solarsystem/dsn')
 asset.require('scene/solarsystem/dsn/communicationlines/communicationlines')
+asset.require('scene/solarsystem/dsn/spacecrafts')
 
 -- Load default key bindings applicable to most scenes
 asset.require('util/default_keybindings')

data/assets/scene/solarsystem/dsn/spacecrafts.asset

@@ -0,0 +1,36 @@
+local assetHelper = asset.require('util/asset_helper')
+
+local models = asset.syncedResource({
+    Name = "Dsn models",
+    Type = "HttpSynchronization",
+    Identifier = "dsn_stations",
+    Version = 1
+})
+
+local testSpaceCraft = {
+    Identifier = "testSpaceCraft",
+    Transform = {
+      Translation = {
+         Type = "RadecTranslation"
+      },
+      Scale = {
+            Type = "StaticScale",
+            Scale = 1000.0
+        }
+
+   },
+    Renderable = {
+        Type = "RenderableModel",
+        Geometry = {
+            Type = "MultiModelGeometry",
+            GeometryFile = models .. "/34m_dish/34m_dish.obj"
+        },
+        ColorTexture = models .. "/34m_dish/base_AO.png",
+    },
+    GUI = {
+        Name = "testSpaceCraft",
+        Path = "/Solar System/testSpaceCraft"
+    }
+}
+
+assetHelper.registerSceneGraphNodesAndExport(asset, {testSpaceCraft})

modules/dsn/rendering/renderablesignals.cpp

@@ -390,8 +390,29 @@ void RenderableSignals::pushSignalDataToVertexArray(SignalManager::Signal signal
     _vertexArray.push_back(color.b);
     _vertexArray.push_back(color.a);
 
-}
 
+    //For testing 
+    glm::vec3 worldTestPos = getSuitablePrecisionPositionForSceneGraphNode("testSpaceCraft");
+   
+    _vertexArray.push_back(posStation.x);
+    _vertexArray.push_back(posStation.y);
+    _vertexArray.push_back(posStation.z);
+
+    _vertexArray.push_back(color.r);
+    _vertexArray.push_back(color.g);
+    _vertexArray.push_back(color.b);
+    _vertexArray.push_back(color.a);
+
+    _vertexArray.push_back(worldTestPos.x);
+    _vertexArray.push_back(worldTestPos.y);
+    _vertexArray.push_back(worldTestPos.z);
+
+    _vertexArray.push_back(color.r);
+    _vertexArray.push_back(color.g);
+    _vertexArray.push_back(color.b);
+    _vertexArray.push_back(color.a);
+
+}
 
 /* Since our station dishes have a static translation from Earth, we
 * can get their local translation. The reason to handle it differently
@@ -408,21 +429,6 @@ glm::dvec3 RenderableSignals::getCoordinatePosFromFocusNode(SceneGraphNode* node
     return diff;
 }
 
-glm::dvec3 RenderableSignals::getEstimatedCoordinatePosFromFocusNode(glm::vec3 pos) {
-
-    glm::dvec3 earthPos = global::renderEngine.scene()->sceneGraphNode("Earth")->worldPosition();
-    glm::dvec3 focusNodePos = _focusNode->worldPosition();
-
-    glm::dmat4 translationMatrixEarth = glm::translate(glm::dmat4(1.0), glm::dvec3(earthPos));
-
-    glm::dvec4 newPos = { pos, 1.0 };
-    glm::dvec4 nodePos = _rotEquatorialSphere * translationMatrixEarth  *newPos;
-
-    glm::dvec3 diff = glm::vec3(nodePos.x - focusNodePos.x, nodePos.y - focusNodePos.y,
-        nodePos.z - focusNodePos.z);
-
-    return diff;
-}
 
 glm::vec3 RenderableSignals::getSuitablePrecisionPositionForSceneGraphNode(std::string id) {
 
@@ -434,7 +440,7 @@ glm::vec3 RenderableSignals::getSuitablePrecisionPositionForSceneGraphNode(std::
     }
     else {
         //If no scenegraphnode with proper id was found, estimate the position of the spacecraft by RA/DEC/RANGE 
-        position = convertRaDecRangeToCartesian();
+        //position = convertRaDecRangeToCartesian();
     }
 
     return position;
@@ -457,27 +463,6 @@ glm::vec3 RenderableSignals::getPositionForGeocentricSceneGraphNode(const char*
 }
 
 
-glm::dvec3 RenderableSignals::convertRaDecRangeToCartesian() {
-    //Todo: stream data from file
-    //Dummy data for voyager 1
-    double ra = 257.777029167736; //2018-246
-    double dec = 12.2537708651048; // 2018-246
-    double range = 2.14044781771236e+13;
-
-    // Convert RA and DEC from degrees to radians 
-    ra = glm::radians(ra);
-    dec = glm::radians(dec);
-
-    //Save array in vector 
-    glm::dvec3 raDecPos = SpiceManager::getPositionFromRaDecRange(ra,dec,range);
-
-    //Get the RA / DEC values in world coordinates with respect to the current focus node
-    raDecPos = getEstimatedCoordinatePosFromFocusNode(raDecPos);
-
-    return raDecPos;
-}
-
-
 RenderableSignals::ColorVBOLayout RenderableSignals::getSiteColor(std::string dishidentifier) {
     
     glm::vec3 color(0.0f,0.0f,0.0f);

modules/dsn/rendering/renderablesignals.h

@@ -86,10 +86,6 @@ namespace openspace {
         void pushSignalDataToVertexArray(SignalManager::Signal signal);
         /* Returns a position relative the current focus node */
         glm::dvec3 getCoordinatePosFromFocusNode(SceneGraphNode* node);
-        /* Returns the estimated position expressed relative to the current focusnode */
-        glm::dvec3 getEstimatedCoordinatePosFromFocusNode(glm::vec3 pos);
-        /* Converts the Ra Dec range coordinates into cartesian coordinates*/
-        glm::dvec3 convertRaDecRangeToCartesian();
         /*Returns a position for a spacecraft*/
         glm::vec3 getSuitablePrecisionPositionForSceneGraphNode(std::string id);
         /*Returns a position for a station that has Earth as parent*/
@@ -193,11 +189,8 @@ namespace openspace {
 
         /*Checks if the current time is within a signal's start and endtime*/
         bool isSignalActive(double currentTime, std::string signalStartTime, std::string signalEndTime);
-        /* Rotation matrix to transform into equatorial sphere coordinate system*/
-        glm::dmat4 _rotEquatorialSphere = { -0.05487554,  0.4941095, -0.8676661, 0.0,
-            -0.8734371 , -0.4448296, -0.1980764, 0.0,
-            -0.483835  ,  0.7469823,  0.4559838, 0.0,
-            0.0       ,  0.0      ,  0.0      , 1.0 };
+
+
     };
 
 } // namespace openspace

modules/dsn/translation/radectranslation.cpp

@@ -23,7 +23,6 @@
  ****************************************************************************************/
 
 #include <modules/dsn/translation/radectranslation.h>
-
 #include <openspace/documentation/documentation.h>
 #include <openspace/documentation/verifier.h>
 
@@ -51,7 +50,7 @@ documentation::Documentation RadecTranslation::Documentation() {
             {
                 PositionInfo.identifier,
                 new DoubleVector3Verifier,
-                Optional::No,
+                Optional::Yes,
                 PositionInfo.description
             }
         }
@@ -66,7 +65,9 @@ RadecTranslation::RadecTranslation()
         glm::dvec3(-std::numeric_limits<double>::max()),
         glm::dvec3(std::numeric_limits<double>::max())
     )
-{
+{   
+
+  
     addProperty(_position);
 
     _position.onChange([this]() {
@@ -83,11 +84,42 @@ RadecTranslation::RadecTranslation(const ghoul::Dictionary& dictionary)
         dictionary,
         "RadecTranslation"
     );
-
-    _position = dictionary.value<glm::dvec3>(PositionInfo.identifier);
 }
 
-glm::dvec3 RadecTranslation::position(const UpdateData&) const {
+glm::dvec3 RadecTranslation::convertRaDecRangeToCartesian() const{
+    //Todo: stream data from file
+    //Static data for voyager 1
+    double ra = 257.777029167736; //2018-246
+    double dec = 12.2537708651048; // 2018-246
+    double range = 2.14044781771236e+13;
+
+    //Convert RA and DEC from degrees to radians 
+    ra = glm::radians(ra);
+    dec = glm::radians(dec);
+
+    //Save array in vector 
+    glm::dvec3 raDecPos = SpiceManager::getPositionFromRaDecRange(ra, dec, range);
+   
+    return raDecPos;
+}
+
+glm::dvec3 RadecTranslation::transformCartesianCoordinates() const {
+
+    glm::vec3 pos = convertRaDecRangeToCartesian();
+
+    glm::dvec3 earthPos = global::renderEngine.scene()->sceneGraphNode("Earth")->worldPosition();
+    glm::dmat4 translationMatrixEarth = glm::translate( glm::dmat4(1.0), glm::dvec3(earthPos) );
+
+    glm::dvec4 newPos = { pos, 1.0 };
+    glm::dvec4 nodePos =  translationMatrixEarth * _rotEquatorialSphere * newPos;
+    glm::dvec3 worldposition = { nodePos.x, nodePos.y, nodePos.z };
+
+    return worldposition;
+}
+
+glm::dvec3 RadecTranslation::position(const UpdateData&) const{
+
+    glm::dvec3 _position = transformCartesianCoordinates();
     return _position;
 }
 

modules/dsn/translation/radectranslation.h

@@ -26,8 +26,11 @@
 #define __OPENSPACE_MODULE_DSN___RADECTRANSLATION___H__
 
 #include <openspace/scene/translation.h>
-
+#include <openspace/util/spicemanager.h>
+#include <openspace/engine/globals.h>
+#include <openspace/rendering/renderengine.h>
 #include <openspace/properties/vector/dvec3property.h>
+#include <modules/dsn/rendering/renderablesignals.h>
 
 namespace openspace {
 
@@ -39,14 +42,23 @@ class RadecTranslation : public Translation {
 public:
     RadecTranslation();
     RadecTranslation(const ghoul::Dictionary& dictionary);
-
+    /* Converts the Ra Dec range coordinates into cartesian coordinates*/
+    glm::dvec3 convertRaDecRangeToCartesian() const;
+    /*Transforms the cartesian coordinates with a rotation and a translation*/
+    glm::dvec3 transformCartesianCoordinates() const;
     glm::dvec3 position(const UpdateData& data) const override;
     static documentation::Documentation Documentation();
 
 private:
     properties::DVec3Property _position;
-};
 
+    glm::dmat4 _rotEquatorialSphere = { -0.05487554,  0.4941095, -0.8676661, 0.0,
+            -0.8734371 , -0.4448296, -0.1980764, 0.0,
+            -0.483835  ,  0.7469823,  0.4559838, 0.0,
+             0.0       ,  0.0      ,  0.0      , 1.0
+    };
+
+};
 } // namespace openspace
 
 #endif // __OPENSPACE_MODULE_DSN___RADECTRANSLATION___H__