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https://github.com/OpenSpace/OpenSpace.git
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376 lines
13 KiB
C++
376 lines
13 KiB
C++
// /*****************************************************************************************
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// * *
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// * OpenSpace *
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// * *
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// * Copyright (c) 2014-2016 *
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// * *
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// * Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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// * software and associated documentation files (the "Software"), to deal in the Software *
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// * without restriction, including without limitation the rights to use, copy, modify, *
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// * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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// * permit persons to whom the Software is furnished to do so, subject to the following *
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// * conditions: *
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// * *
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// * The above copyright notice and this permission notice shall be included in all copies *
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// * or substantial portions of the Software. *
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// * *
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// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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// * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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// * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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// * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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// * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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// * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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// ****************************************************************************************/
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#include <modules/iswa/rendering/dataplane.h>
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#include <ghoul/io/texture/texturereader.h>
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#include <ghoul/opengl/programobject.h>
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#include <ghoul/opengl/textureunit.h>
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#include <openspace/scene/scene.h>
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#include <openspace/scene/scenegraphnode.h>
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#include <openspace/engine/openspaceengine.h>
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#include <openspace/rendering/renderengine.h>
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#include <openspace/util/spicemanager.h>
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namespace {
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const std::string _loggerCat = "DataPlane";
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}
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namespace openspace {
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DataPlane::DataPlane(const ghoul::Dictionary& dictionary)
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:CygnetPlane(dictionary)
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,_dataOptions("dataOptions", "Data Options")
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,_normValues("normValues", "Normalize Values", glm::vec2(0.1,0.2), glm::vec2(0), glm::vec2(0.5))
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,_useLog("useLog","Use Logarithm Norm", false)
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,_useHistogram("_useHistogram", "Use Histogram", true)
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,_useRGB("useRGB","Use RGB Channels", false)
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// ,_topColor("topColor", "Top Color", glm::vec4(1,0,0,1), glm::vec4(0), glm::vec4(1))
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// ,_midColor("midColor", "Mid Color", glm::vec4(0,0,0,0), glm::vec4(0), glm::vec4(1))
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// ,_botColor("botColor", "Bot Color", glm::vec4(0,0,1,1), glm::vec4(0), glm::vec4(1))
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// ,_tfValues("tfValues", "TF Values", glm::vec2(0.5,0.1), glm::vec2(0), glm::vec2(1))
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// ,_colorbar(nullptr)
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{
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_id = id();
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std::string name;
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dictionary.getValue("Name", name);
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setName(name);
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addProperty(_useLog);
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addProperty(_useRGB);
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addProperty(_normValues);
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addProperty(_dataOptions);
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//addProperty(_midLevel);
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// addProperty(_topColor);
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// addProperty(_midColor);
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// addProperty(_botColor);
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//addProperty(_tfValues);
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registerProperties();
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OsEng.gui()._iSWAproperty.registerProperty(&_useLog);
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OsEng.gui()._iSWAproperty.registerProperty(&_useRGB);
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OsEng.gui()._iSWAproperty.registerProperty(&_normValues);
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OsEng.gui()._iSWAproperty.registerProperty(&_dataOptions);
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// OsEng.gui()._iSWAproperty.registerProperty(&_topColor);
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// OsEng.gui()._iSWAproperty.registerProperty(&_midColor);
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// OsEng.gui()._iSWAproperty.registerProperty(&_botColor);
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// OsEng.gui()._iSWAproperty.registerProperty(&_tfValues);
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_normValues.onChange([this](){loadTexture();});
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_useLog.onChange([this](){loadTexture();});
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_dataOptions.onChange([this](){
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if( _useRGB.value() && (_dataOptions.value().size() > 3)){
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LWARNING("More than 3 values, using only the red channel.");
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}
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loadTexture();
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});
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_useRGB.onChange([this](){
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if( _useRGB.value() && (_dataOptions.value().size() > 3)){
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LWARNING("More than 3 values, using only the red channel.");
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}
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loadTexture();
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});
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}
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DataPlane::~DataPlane(){}
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bool DataPlane::initialize(){
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initializeTime();
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createPlane();
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if (_shader == nullptr) {
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// DatePlane Program
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RenderEngine& renderEngine = OsEng.renderEngine();
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_shader = renderEngine.buildRenderProgram("PlaneProgram",
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"${MODULE_ISWA}/shaders/dataplane_vs.glsl",
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"${MODULE_ISWA}/shaders/dataplane_fs.glsl"
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);
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if (!_shader)
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return false;
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}
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updateTexture();
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// std::cout << "Creating Colorbar" << std::endl;
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// _colorbar = std::make_shared<ColorBar>();
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// if(_colorbar){
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// _colorbar->initialize();
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// }
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return isReady();
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}
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bool DataPlane::deinitialize(){
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unregisterProperties();
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destroyPlane();
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destroyShader();
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_texture = nullptr;
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_memorybuffer = "";
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// _colorbar->deinitialize();
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// _colorbar = nullptr;
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return true;
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}
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// void DataPlane::render(const RenderData& data){} //moved to CygnetPlane
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// void DataPLane::update(const UpdateData& data){} //moved to CygnetPlane
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bool DataPlane::loadTexture() {
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float* values = readData();
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if(!values)
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return false;
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if (!_texture) {
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std::unique_ptr<ghoul::opengl::Texture> texture = std::make_unique<ghoul::opengl::Texture>(
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values,
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_dimensions,
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ghoul::opengl::Texture::Format::RGB,
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GL_RGB,
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GL_FLOAT,
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ghoul::opengl::Texture::FilterMode::Linear,
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ghoul::opengl::Texture::WrappingMode::ClampToEdge
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);
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if(texture){
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texture->uploadTexture();
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texture->setFilter(ghoul::opengl::Texture::FilterMode::Linear);
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_texture = std::move(texture);
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}
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}else{
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_texture->setPixelData(values);
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_texture->uploadTexture();
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}
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return true;
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}
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bool DataPlane::updateTexture(){
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if(_futureObject)
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return false;
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_memorybuffer = "";
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std::shared_ptr<DownloadManager::FileFuture> future = ISWAManager::ref().downloadDataToMemory(_data->id, _memorybuffer);
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if(future){
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_futureObject = future;
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return true;
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}
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return false;
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}
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void DataPlane::readHeader(){
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if(!_memorybuffer.empty()){
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std::stringstream memorystream(_memorybuffer);
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std::string line;
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int numOptions = 0;
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while(getline(memorystream,line)){
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if(line.find("#") == 0){
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if(line.find("# Output data:") == 0){
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line = line.substr(26);
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std::stringstream ss(line);
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std::string token;
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getline(ss, token, 'x');
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int x = std::stoi(token);
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getline(ss, token, '=');
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int y = std::stoi(token);
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_dimensions = glm::size3_t(x, y, 1);
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getline(memorystream, line);
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line = line.substr(1);
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ss = std::stringstream(line);
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std::string option;
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while(ss >> option){
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if(option != "x" && option != "y" && option != "z"){
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_dataOptions.addOption({numOptions, name()+"_"+option});
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numOptions++;
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}
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}
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std::vector<int> v(1,0);
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_dataOptions.setValue(v);
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}
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}else{
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break;
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}
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}
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}else{
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LWARNING("Noting in memory buffer, are you connected to the information super highway?");
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}
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}
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float* DataPlane::readData(){
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if(!_memorybuffer.empty()){
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if(!_dataOptions.options().size()) // load options for value selection
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readHeader();
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std::stringstream memorystream(_memorybuffer);
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std::string line;
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std::vector<int> selectedOptions = _dataOptions.value();
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std::vector<float> min;
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std::vector<float> max;
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std::vector<int> logmean;
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std::vector<float> sum;
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std::vector<float> mean;
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std::vector<float> standardDeviation;
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std::vector<std::vector<float>> optionValues;
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for(int i=0; i < selectedOptions.size(); i++){
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min.push_back(std::numeric_limits<float>::max());
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max.push_back(std::numeric_limits<float>::min());
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sum.push_back(0);
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logmean.push_back(0);
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std::vector<float> v;
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optionValues.push_back(v);
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}
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float* combinedValues = new float[3*_dimensions.x*_dimensions.y];
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int numValues = 0;
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while(getline(memorystream, line)){
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if(line.find("#") == 0){ //part of the header
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continue;
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}
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std::stringstream ss(line);
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std::vector<float> value;
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float v;
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while(ss >> v){
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value.push_back(v);
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}
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if(value.size()){
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for(int i=0; i<optionValues.size(); i++){
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float v = value[selectedOptions[i]+3]; //+3 because "options" x, y and z.
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optionValues[i].push_back(v);
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min[i] = std::min(min[i], v);
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max[i] = std::max(max[i], v);
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sum[i] += v;
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logmean[i] += (v != 0) ? ceil(log10(fabs(v))) : 0.0f;
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}
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numValues++;
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}
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}
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if(numValues != _dimensions.x*_dimensions.y){
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LWARNING("Number of values read and expected are not the same");
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return nullptr;
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}
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for(int i=0; i<optionValues.size(); i++){
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//Calculate the mean
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mean.push_back((1.0 / numValues) * sum[i]);
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//Calculate the Standard Deviation
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standardDeviation.push_back(sqrt (((pow(sum[i], 2.0)) - ((1.0/numValues) * (pow(sum[i],2.0)))) / (numValues - 1.0)));
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//calulate log mean
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logmean[i] /= numValues;
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}
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for(int i=0; i< numValues; i++){
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combinedValues[3*i+0] = 0;
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combinedValues[3*i+1] = 0;
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combinedValues[3*i+2] = 0;
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if(_useRGB.value() && (optionValues.size() <= 3)){
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for(int j=0; j<optionValues.size(); j++){
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float v = optionValues[j][i];
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if(_useLog.value()){
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combinedValues[3*i+j] += normalizeWithLogarithm(v, logmean[j]);
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}else{
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combinedValues[3*i+j] += normalizeWithStandardScore(v, mean[j], standardDeviation[j]);
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}
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}
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}else{
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for(int j=0; j<optionValues.size(); j++){
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float v = optionValues[j][i];
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if(_useLog.value()){
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combinedValues[3*i+0] += normalizeWithLogarithm(v, logmean[j]);
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}else{
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combinedValues[3*i+0] += normalizeWithStandardScore(v, mean[j], standardDeviation[j]);
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}
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}
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combinedValues[3*i+0] /= selectedOptions.size();
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}
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}
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return combinedValues;
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} else {
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LWARNING("Noting in memory buffer, are you connected to the information super highway?");
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return nullptr;
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}
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}
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float DataPlane::normalizeWithStandardScore(float value, float mean, float sd){
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float zScoreMin = _normValues.value().x;
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float zScoreMax = _normValues.value().y;
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float standardScore = ( value - mean ) / sd;
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// Clamp intresting values
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standardScore = glm::clamp(standardScore, -zScoreMin, zScoreMax);
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//return and normalize
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return ( standardScore + zScoreMin )/(zScoreMin + zScoreMax );
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}
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float DataPlane::normalizeWithLogarithm(float value, int logMean){
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float logMin = 10*_normValues.value().x;
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float logMax = 10*_normValues.value().y;
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float logNormalized = ((value/pow(10,logMean)+logMin))/(logMin+logMax);
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return glm::clamp(logNormalized,0.0f, 1.0f);
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}
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int DataPlane::id(){
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static int id = 0;
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return id++;
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}
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}// namespace openspace
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