mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-01-06 19:50:03 -06:00
376 lines
13 KiB
C++
376 lines
13 KiB
C++
/*****************************************************************************************
|
|
* *
|
|
* OpenSpace *
|
|
* *
|
|
* Copyright (c) 2014-2017 *
|
|
* *
|
|
* 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 <fstream>
|
|
#include <modules/iswa/rendering/kameleonplane.h>
|
|
#include <modules/iswa/util/dataprocessorkameleon.h>
|
|
#include <ghoul/filesystem/filesystem>
|
|
#include <modules/iswa/ext/json.h>
|
|
#include <openspace/engine/openspaceengine.h>
|
|
#include <openspace/scene/scene.h>
|
|
|
|
namespace {
|
|
using json = nlohmann::json;
|
|
const char* _loggerCat = "KameleonPlane";
|
|
|
|
static const openspace::properties::Property::PropertyInfo FieldLineSeedsInfo = {
|
|
"FieldlineSeedsIndexFile",
|
|
"Fieldline Seedpoints",
|
|
"" // @TODO Missing documentation
|
|
};
|
|
|
|
static const openspace::properties::Property::PropertyInfo ResolutionInfo = {
|
|
"Resolution",
|
|
"Resolution%",
|
|
"" // @TODO Missing documentation
|
|
};
|
|
|
|
static const openspace::properties::Property::PropertyInfo SliceInfo = {
|
|
"Slice",
|
|
"Slice",
|
|
"" // @TODO Missing documentation
|
|
};
|
|
} // namespace
|
|
|
|
namespace openspace {
|
|
|
|
KameleonPlane::KameleonPlane(const ghoul::Dictionary& dictionary)
|
|
: DataCygnet(dictionary)
|
|
, _fieldlines(FieldLineSeedsInfo)
|
|
, _resolution(ResolutionInfo, 100.f, 10.f, 200.f)
|
|
, _slice(SliceInfo, 0.f, 0.f, 1.f)
|
|
{
|
|
addProperty(_resolution);
|
|
addProperty(_slice);
|
|
addProperty(_fieldlines);
|
|
|
|
dictionary.getValue("kwPath", _kwPath);
|
|
|
|
std::string fieldlineIndexFile;
|
|
dictionary.getValue("fieldlineSeedsIndexFile", _fieldlineIndexFile);
|
|
|
|
std::string axis;
|
|
dictionary.getValue("axisCut", axis);
|
|
|
|
if (axis == "x") {
|
|
_cut = 0;
|
|
}
|
|
else if (axis == "y") {
|
|
_cut = 1;
|
|
}
|
|
else {
|
|
_cut = 2;
|
|
}
|
|
|
|
_origOffset = _data->offset;
|
|
|
|
_scale = _data->scale[_cut];
|
|
_data->scale[_cut] = 0;
|
|
_data->offset[_cut] = 0;
|
|
|
|
_slice.setValue((_data->offset[_cut] -_data->gridMin[_cut])/_scale);
|
|
|
|
setDimensions();
|
|
|
|
_programName = "DataPlaneProgram";
|
|
_vsPath = "${MODULE_ISWA}/shaders/dataplane_vs.glsl";
|
|
_fsPath = "${MODULE_ISWA}/shaders/dataplane_fs.glsl";
|
|
}
|
|
|
|
KameleonPlane::~KameleonPlane() {}
|
|
|
|
void KameleonPlane::deinitialize() {
|
|
IswaCygnet::deinitialize();
|
|
_fieldlines.set(std::vector<int>());
|
|
}
|
|
|
|
void KameleonPlane::initialize() {
|
|
if (!_data->groupName.empty()) {
|
|
initializeGroup();
|
|
}
|
|
|
|
initializeTime();
|
|
createGeometry();
|
|
createShader();
|
|
|
|
readFieldlinePaths(absPath(_fieldlineIndexFile));
|
|
|
|
if (_group) {
|
|
_dataProcessor = _group->dataProcessor();
|
|
subscribeToGroup();
|
|
} else {
|
|
_dataProcessor = std::make_shared<DataProcessorKameleon>();
|
|
|
|
//If autofiler is on, background values property should be hidden
|
|
_autoFilter.onChange([this](){
|
|
// If autofiler is selected, use _dataProcessor to set backgroundValues
|
|
// and unregister backgroundvalues property.
|
|
if (_autoFilter) {
|
|
_backgroundValues.setValue(_dataProcessor->filterValues());
|
|
_backgroundValues.setVisibility(properties::Property::Visibility::Hidden);
|
|
//_backgroundValues.setVisible(false);
|
|
// else if autofilter is turned off, register backgroundValues
|
|
} else {
|
|
_backgroundValues.setVisibility(properties::Property::Visibility::All);
|
|
//_backgroundValues.setVisible(true);
|
|
}
|
|
});
|
|
}
|
|
|
|
fillOptions(_kwPath);
|
|
|
|
readTransferFunctions(_transferFunctionsFile.value());
|
|
|
|
// Set Property Callbacks of DataCygnet (must be called after fillOptions)
|
|
setPropertyCallbacks();
|
|
|
|
// Set Property callback specific to KameleonPlane
|
|
_resolution.onChange([this](){
|
|
for(int i=0; i<_textures.size(); i++){
|
|
_textures[i] = std::move(nullptr);
|
|
}
|
|
|
|
updateTextureResource();
|
|
setDimensions();
|
|
|
|
});
|
|
|
|
_slice.onChange([this](){
|
|
updateTextureResource();
|
|
});
|
|
|
|
_fieldlines.onChange([this](){
|
|
updateFieldlineSeeds();
|
|
});
|
|
|
|
std::dynamic_pointer_cast<DataProcessorKameleon>(_dataProcessor)->dimensions(_dimensions);
|
|
_dataProcessor->addDataValues(_kwPath, _dataOptions);
|
|
// if this datacygnet has added new values then reload texture
|
|
// for the whole group, including this datacygnet, and return after.
|
|
if(_group){
|
|
_group->updateGroup();
|
|
}
|
|
updateTextureResource();
|
|
}
|
|
|
|
bool KameleonPlane::createGeometry() {
|
|
glGenVertexArrays(1, &_quad); // generate array
|
|
glGenBuffers(1, &_vertexPositionBuffer); // generate buffer
|
|
|
|
// ============================
|
|
// GEOMETRY (quad)
|
|
// ============================
|
|
// GLfloat x,y, z;
|
|
float s = _data->spatialScale.x;
|
|
const GLfloat x = s*_data->scale.x / 2.f;
|
|
const GLfloat y = s*_data->scale.y / 2.f;
|
|
const GLfloat z = s*_data->scale.z / 2.f;
|
|
const GLfloat w = _data->spatialScale.w;
|
|
|
|
const GLfloat vertex_data[] = { // square of two triangles (sigh)
|
|
// x y z w s t
|
|
-x, -y, -z, w, 0, 1,
|
|
x, y, z, w, 1, 0,
|
|
-x, ((x>0)?y:-y), z, w, 0, 0,
|
|
-x, -y, -z, w, 0, 1,
|
|
x, ((x>0)?-y:y), -z, w, 1, 1,
|
|
x, y, z, w, 1, 0,
|
|
};
|
|
|
|
glBindVertexArray(_quad); // bind array
|
|
glBindBuffer(GL_ARRAY_BUFFER, _vertexPositionBuffer); // bind buffer
|
|
glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
|
|
glEnableVertexAttribArray(0);
|
|
glVertexAttribPointer(
|
|
0,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(GLfloat) * 6,
|
|
reinterpret_cast<void*>(0)
|
|
);
|
|
glEnableVertexAttribArray(1);
|
|
glVertexAttribPointer(
|
|
1,
|
|
2,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
sizeof(GLfloat) * 6,
|
|
reinterpret_cast<void*>(sizeof(GLfloat) * 4)
|
|
);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool KameleonPlane::destroyGeometry() {
|
|
glDeleteVertexArrays(1, &_quad);
|
|
_quad = 0;
|
|
|
|
glDeleteBuffers(1, &_vertexPositionBuffer);
|
|
_vertexPositionBuffer = 0;
|
|
|
|
return true;
|
|
}
|
|
|
|
void KameleonPlane::renderGeometry() const {
|
|
glBindVertexArray(_quad);
|
|
glDrawArrays(GL_TRIANGLES, 0, 6);
|
|
}
|
|
|
|
std::vector<float*> KameleonPlane::textureData() {
|
|
return std::dynamic_pointer_cast<DataProcessorKameleon>(_dataProcessor)->processData(
|
|
_kwPath,
|
|
_dataOptions,
|
|
_dimensions,
|
|
_slice
|
|
);
|
|
};
|
|
|
|
bool KameleonPlane::updateTextureResource() {
|
|
_data->offset[_cut] = _data->gridMin[_cut]+_slice.value()*_scale;
|
|
// _textureDirty = true;
|
|
updateTexture();
|
|
return true;
|
|
}
|
|
|
|
void KameleonPlane::setUniforms() {
|
|
setTextureUniforms();
|
|
_shader->setUniform("backgroundValues", _backgroundValues.value());
|
|
_shader->setUniform("transparency", _alpha.value());
|
|
}
|
|
|
|
void KameleonPlane::updateFieldlineSeeds() {
|
|
std::vector<int> selectedOptions = _fieldlines.value();
|
|
|
|
// SeedPath == map<int selectionValue, tuple< string name, string path, bool active > >
|
|
for (auto& seedPath: _fieldlineState) {
|
|
// if this option was turned off
|
|
if (std::find(selectedOptions.begin(), selectedOptions.end(), seedPath.first)==selectedOptions.end() && std::get<2>(seedPath.second)) {
|
|
if (OsEng.renderEngine().scene()->sceneGraphNode(std::get<0>(seedPath.second)) == nullptr) {
|
|
return;
|
|
}
|
|
|
|
LDEBUG("Removed fieldlines: " + std::get<0>(seedPath.second));
|
|
OsEng.scriptEngine().queueScript(
|
|
"openspace.removeSceneGraphNode('" + std::get<0>(seedPath.second) + "')",
|
|
scripting::ScriptEngine::RemoteScripting::Yes
|
|
);
|
|
std::get<2>(seedPath.second) = false;
|
|
// if this option was turned on
|
|
} else if (std::find(selectedOptions.begin(), selectedOptions.end(), seedPath.first)!=selectedOptions.end() && !std::get<2>(seedPath.second)) {
|
|
if (OsEng.renderEngine().scene()->sceneGraphNode(std::get<0>(seedPath.second)) != nullptr) {
|
|
return;
|
|
}
|
|
LDEBUG("Created fieldlines: " + std::get<0>(seedPath.second));
|
|
IswaManager::ref().createFieldline(std::get<0>(seedPath.second), _kwPath, std::get<1>(seedPath.second));
|
|
std::get<2>(seedPath.second) = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void KameleonPlane::readFieldlinePaths(std::string indexFile) {
|
|
LINFO("Reading seed points paths from file '" << indexFile << "'");
|
|
if (_group) {
|
|
std::dynamic_pointer_cast<IswaKameleonGroup>(_group)->setFieldlineInfo(
|
|
indexFile,
|
|
_kwPath
|
|
);
|
|
return;
|
|
}
|
|
|
|
// Read the index file from disk
|
|
std::ifstream seedFile(indexFile);
|
|
if (!seedFile.good()) {
|
|
LERROR("Could not open seed points file '" << indexFile << "'");
|
|
}
|
|
else {
|
|
try {
|
|
//Parse and add each fieldline as an selection
|
|
json fieldlines = json::parse(seedFile);
|
|
int i = 0;
|
|
std::string fullName = name();
|
|
std::string partName = fullName.substr(0,fullName.find_last_of("-"));
|
|
for (json::iterator it = fieldlines.begin(); it != fieldlines.end(); ++it) {
|
|
_fieldlines.addOption({i, it.key()});
|
|
_fieldlineState[i] = std::make_tuple<std::string, std::string, bool>(
|
|
partName + "/" + it.key(),
|
|
it.value(),
|
|
false
|
|
);
|
|
i++;
|
|
}
|
|
} catch (const std::exception& e) {
|
|
LERROR("Error when reading json file with paths to seedpoints: " + std::string(e.what()));
|
|
}
|
|
}
|
|
}
|
|
|
|
void KameleonPlane::subscribeToGroup() {
|
|
// Subscribe to DataCygnet events
|
|
DataCygnet::subscribeToGroup();
|
|
|
|
//Add additional Events specific to KameleonPlane
|
|
auto groupEvent = _group->groupEvent();
|
|
groupEvent->subscribe(name(), "resolutionChanged", [&](ghoul::Dictionary dict){
|
|
LDEBUG(name() + " Event resolutionChanged");
|
|
float resolution;
|
|
bool success = dict.getValue("resolution", resolution);
|
|
if (success) {
|
|
_resolution.setValue(resolution);
|
|
}
|
|
});
|
|
|
|
groupEvent->subscribe(name(), "cdfChanged", [&](ghoul::Dictionary dict){
|
|
LDEBUG(name() + " Event cdfChanged");
|
|
std::string path;
|
|
bool success = dict.getValue("path", path);
|
|
if (success) {
|
|
changeKwPath(path);
|
|
}
|
|
updateTexture();
|
|
});
|
|
}
|
|
|
|
void KameleonPlane::setDimensions() {
|
|
// the cdf files has an offset of 0.5 in normali resolution.
|
|
// with lower resolution the offset increases.
|
|
_data->offset = _origOffset - 0.5f*(100.0f/_resolution.value());
|
|
_dimensions = glm::size3_t(_data->scale*((float)_resolution.value()/100.f));
|
|
_dimensions[_cut] = 1;
|
|
|
|
if (_cut == 0) {
|
|
_textureDimensions = glm::size3_t(_dimensions.y, _dimensions.z, 1);
|
|
} else if(_cut == 1) {
|
|
_textureDimensions = glm::size3_t(_dimensions.x, _dimensions.z, 1);
|
|
} else {
|
|
_textureDimensions = glm::size3_t(_dimensions.x, _dimensions.y, 1);
|
|
}
|
|
}
|
|
|
|
void KameleonPlane::changeKwPath(std::string kwPath){
|
|
_kwPath = kwPath;
|
|
}
|
|
|
|
}// namespace openspace
|