Files
OpenSpace/modules/iswa/rendering/dataplane.cpp
2016-04-21 16:22:49 -04:00

443 lines
15 KiB
C++

// /*****************************************************************************************
// * *
// * OpenSpace *
// * *
// * Copyright (c) 2014-2016 *
// * *
// * Permission is hereby granted, free of charge, to any person obtaining a copy of this *
// * software and associated documentation files (the "Software"), to deal in the Software *
// * without restriction, including without limitation the rights to use, copy, modify, *
// * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
// * permit persons to whom the Software is furnished to do so, subject to the following *
// * conditions: *
// * *
// * The above copyright notice and this permission notice shall be included in all copies *
// * or substantial portions of the Software. *
// * *
// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
// * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
// * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
// * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
// * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
// * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
// ****************************************************************************************/
#include <modules/iswa/rendering/dataplane.h>
//#include <ghoul/filesystem/filesystem>
#include <ghoul/io/texture/texturereader.h>
#include <ghoul/opengl/programobject.h>
#include <ghoul/opengl/textureunit.h>
#include <modules/kameleon/include/kameleonwrapper.h>
#include <openspace/scene/scene.h>
#include <openspace/scene/scenegraphnode.h>
#include <openspace/engine/openspaceengine.h>
#include <openspace/rendering/renderengine.h>
#include <openspace/util/spicemanager.h>
#include <openspace/util/time.h>
namespace {
const std::string _loggerCat = "DataPlane";
}
namespace openspace {
DataPlane::DataPlane(const ghoul::Dictionary& dictionary)
:CygnetPlane(dictionary)
,_dataOptions("dataOptions", "Data Options")
,_midLevel("midLevel","Middle level", 0.5, 0.0, 1.0)
,_topColor("topColor", "Top Color", glm::vec4(1,0,0,1), glm::vec4(0), glm::vec4(1))
,_midColor("midColor", "Mid Color", glm::vec4(0,0,0,0), glm::vec4(0), glm::vec4(1))
,_botColor("botColor", "Bot Color", glm::vec4(0,0,1,1), glm::vec4(0), glm::vec4(1))
,_tfValues("tfValues", "TF Values", glm::vec2(0.5,0.1), glm::vec2(0), glm::vec2(1))
,_normValues("zScoreValues", "Z Score Values", glm::vec2(0.1,0.2), glm::vec2(0), glm::vec2(0.5))
,_colorbar(nullptr)
,_futureData(nullptr)
,_dataSlice(nullptr)
{
_id = id();
std::string name;
dictionary.getValue("Name", name);
setName(name);
addProperty(_dataOptions);
//addProperty(_midLevel);
// addProperty(_topColor);
// addProperty(_midColor);
// addProperty(_botColor);
//addProperty(_tfValues);
addProperty(_normValues);
registerProperties();
OsEng.gui()._iSWAproperty.registerProperty(&_dataOptions);
//OsEng.gui()._iSWAproperty.registerProperty(&_midLevel);
// OsEng.gui()._iSWAproperty.registerProperty(&_topColor);
// OsEng.gui()._iSWAproperty.registerProperty(&_midColor);
// OsEng.gui()._iSWAproperty.registerProperty(&_botColor);
// OsEng.gui()._iSWAproperty.registerProperty(&_tfValues);
OsEng.gui()._iSWAproperty.registerProperty(&_normValues);
// dictionary.getValue("kwPath", _kwPath);
_normValues.onChange([this](){loadTexture();});
// _midLevel.onChange([this](){loadTexture();});
_dataOptions.onChange([this](){loadTexture();});
}
DataPlane::~DataPlane(){}
bool DataPlane::initialize(){
// std::string kwPath;
// _kw = std::make_shared<KameleonWrapper>(_kwPath);
// dictionary.getValue("KW", _kw);
// KameleonWrapper::Model model = _kw->model();
// if( model == KameleonWrapper::Model::BATSRUS)
// _var = "p";
// else
// _var = "rho";
createPlane();
if (_shader == nullptr) {
// DatePlane Program
RenderEngine& renderEngine = OsEng.renderEngine();
_shader = renderEngine.buildRenderProgram("PlaneProgram",
"${MODULE_ISWA}/shaders/dataplane_vs.glsl",
"${MODULE_ISWA}/shaders/dataplane_fs.glsl"
);
if (!_shader)
return false;
}
// _dimensions = glm::size3_t(500,500,1);
// float zSlice = 0.5f;
// _dataSlice = _kw->getUniformSliceValues(std::string(_var), _dimensions, zSlice);
// loadTexture();
updateTexture();
// std::cout << "Creating Colorbar" << std::endl;
// _colorbar = std::make_shared<ColorBar>();
// if(_colorbar){
// _colorbar->initialize();
// }
return isReady();
}
bool DataPlane::deinitialize(){
unregisterProperties();
destroyPlane();
destroyShader();
// _kw = nullptr;
_texture = nullptr;
_memorybuffer = "";
// _colorbar->deinitialize();
// _colorbar = nullptr;
return true;
}
void DataPlane::render(const RenderData& data){
if(!_texture) return;
psc position = data.position;
glm::mat4 transform = glm::mat4(1.0);
glm::mat4 rotx = glm::rotate(transform, static_cast<float>(M_PI_2), glm::vec3(1, 0, 0));
glm::mat4 roty = glm::rotate(transform, static_cast<float>(M_PI_2), glm::vec3(0, -1, 0));
glm::mat4 rotz = glm::rotate(transform, static_cast<float>(M_PI_2), glm::vec3(0, 0, 1));
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 * rotz * roty; //BATSRUS
if(_data->frame == "GSM"){
glm::vec4 v(1,0,0,1);
glm::vec3 xVec = glm::vec3(transform*v);
xVec = glm::normalize(xVec);
double lt;
glm::vec3 sunVec =
SpiceManager::ref().targetPosition("SUN", "Earth", "GALACTIC", {}, _time, lt);
sunVec = glm::normalize(sunVec);
float angle = acos(glm::dot(xVec, sunVec));
glm::vec3 ref = glm::cross(xVec, sunVec);
glm::mat4 rotation = glm::rotate(glm::mat4(1.0f), angle, ref);
transform = rotation * transform;
}
position += transform*glm::vec4(_data->spatialScale.x*_data->offset, _data->spatialScale.y);
// Activate shader
_shader->activate();
glEnable(GL_ALPHA_TEST);
glDisable(GL_CULL_FACE);
_shader->setUniform("ViewProjection", data.camera.viewProjectionMatrix());
_shader->setUniform("ModelTransform", transform);
// _shader->setUniform("top", _topColor.value());
// _shader->setUniform("mid", _midColor.value());
// _shader->setUniform("bot", _botColor.value());
// _shader->setUniform("tfValues", _tfValues.value());
setPscUniforms(*_shader.get(), data.camera, position);
ghoul::opengl::TextureUnit unit;
unit.activate();
_texture->bind();
_shader->setUniform("texture1", unit);
glBindVertexArray(_quad);
glDrawArrays(GL_TRIANGLES, 0, 6);
glEnable(GL_CULL_FACE);
_shader->deactivate();
// position += transform*(glm::vec4(0.5f*_data->scale.x+100.0f ,-0.5f*_data->scale.y, 0.0f, _data->scale.w));
// // RenderData data = { *_camera, psc(), doPerformanceMeasurements };
// ColorBarData cbdata = { data.camera,
// position,
// transform,
// _topColor.value(),
// _midColor.value(),
// _botColor.value(),
// _tfValues.value()
// // transform
// };
// _colorbar->render(cbdata);
}
void DataPlane::update(const UpdateData& data){
if(_planeIsDirty)
createPlane();
// if(abs(Time::ref().currentTime - _time) > 2*Time::ref().deltaTime())
_time = Time::ref().currentTime();
_stateMatrix = SpiceManager::ref().positionTransformMatrix("GALACTIC", _data->frame, _time);
float openSpaceUpdateInterval = abs(Time::ref().deltaTime()*_updateInterval);
if(openSpaceUpdateInterval){
if(abs(_time-_lastUpdateTime) >= openSpaceUpdateInterval){
updateTexture();
_lastUpdateTime = _time;
}
}
if(_futureData && _futureData->isFinished && _memorybuffer != ""){
if(!_dataOptions.options().size()){
readHeader();
}
if(loadTexture())
_futureData = nullptr;
}
}
void DataPlane::readHeader(){
if(!_memorybuffer.empty()){
std::stringstream memorystream(_memorybuffer);
std::string line;
int numOptions = 0;
while(getline(memorystream,line)){
if(line.find("#") == 0){
if(line.find("# Output data:") == 0){
line = line.substr(26);
std::stringstream ss(line);
std::string token;
getline(ss, token, 'x');
int x = std::stoi(token);
getline(ss, token, '=');
int y = std::stoi(token);
_dimensions = glm::size3_t(x, y, 1);
getline(memorystream, line);
line = line.substr(1);
ss = std::stringstream(line);
std::string option;
while(ss >> option){
if(option != "x" && option != "y" && option != "z"){
_dataOptions.addOption({numDataOptions, option});
numDataOptions++;
}
}
std::vector<int> v(1,0);
_dataOptions.setValue(v);
}
}else{
break;
}
}
}else{
LWARNING("Noting in memory buffer, are you connected to the information super highway?");
}
}
float* DataPlane::readData(){
if(!_memorybuffer.empty()){
std::stringstream memorystream(_memorybuffer);
std::string line;
std::vector<int> selectedOptions = _dataOptions.value();
float refProcent = _midLevel.value();
std::vector<float> min;
std::vector<float> max;
std::vector<float> sum;
std::vector<float> mean;
std::vector<float> standardDeviation;
std::vector<std::vector<float>> optionValues;
for(int i=0; i < selectedOptions.size(); i++){
min.push_back(std::numeric_limits<float>::max());
max.push_back(std::numeric_limits<float>::min());
sum.push_back(0);
std::vector<float> v;
optionValues.push_back(v);
}
float* combinedValues = new float[_dimensions.x*_dimensions.y];
int numValues = 0;
while(getline(memorystream, line)){
if(line.find("#") == 0){
//part of the header
continue;
}
std::stringstream ss(line);
std::vector<float> value;
float v;
while(ss >> v){
value.push_back(v);
}
if(value.size()){
for(int i=0; i<optionValues.size(); i++){
optionValues[i].push_back(value[selectedOptions[i]+3]); //+3 because "options" x, y and z.
min[i] = std::min(min[i], optionValues[i][numValues]);
max[i] = std::max(max[i], optionValues[i][numValues]);
sum[i] += optionValues[i][numValues];
}
numValues++;
}
}
if(numValues != _dimensions.x*_dimensions.y){
LWARNING("Number of values read and expected are not the same");
return nullptr;
}
// std::vector<int> refValue;
// for(int i=0; j<optionValues.size(); i++){
// refValue.push_back(optionValues[i][0]);
// }
for(int i=0; i<optionValues.size(); i++){
//Calculate the mean
mean.push_back((1.0 / numValues) * sum[i]);
//Calculate the Standard Deviation
standardDeviation.push_back(sqrt (((pow(sum[i], 2.0)) - ((1.0/numValues) * (pow(sum[i],2.0)))) / (numValues - 1.0)));
}
for(int i=0; i< numValues; i++){
combinedValues[i] = 0;
for(int j=0; j<optionValues.size(); j++){
float v = optionValues[j][i];
combinedValues[i] = normalizeWithStandardScore(v, mean[j], standardDeviation[j]);
}
combinedValues[i] /= selectedOptions.size();
}
return combinedValues;
} else {
LWARNING("Noting in memory buffer, are you connected to the information super highway?");
}
}
float DataPlane::normalizeWithStandardScore(float value, float mean, float sd){
float zScoreMin = _normValues.value().x;
float zScoreMax = _normValues.value().y;
float standardScore = ( value - mean ) / sd;
// Clamp intresting values
standardScore = glm::clamp(standardScore, -zScoreMin, zScoreMax);
//return and normalize
return ( standardScore + zScoreMin )/(zScoreMin + zScoreMax );
}
bool DataPlane::loadTexture() {
float* values = readData();
if(!values){
return false;
}
if (!_texture) {
std::unique_ptr<ghoul::opengl::Texture> texture = std::make_unique<ghoul::opengl::Texture>(
values,
_dimensions,
ghoul::opengl::Texture::Format::Red,
GL_RED,
GL_FLOAT,
ghoul::opengl::Texture::FilterMode::Linear,
ghoul::opengl::Texture::WrappingMode::ClampToEdge
);
if(texture){
texture->uploadTexture();
texture->setFilter(ghoul::opengl::Texture::FilterMode::Linear);
_texture = std::move(texture);
}
}else{
_texture->setPixelData(values);
_texture->uploadTexture();
}
return true;
}
bool DataPlane::updateTexture(){
_memorybuffer = "";
std::shared_ptr<DownloadManager::FileFuture> future = ISWAManager::ref().downloadDataToMemory(_data->id, _memorybuffer);
if(future){
_futureData = future;
return (_memorybuffer != "");
}
return false;
}
int DataPlane::id(){
static int id = 0;
return id++;
}
}// namespace openspace