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This extension enables maxwell to render particles as spheres. These particles can be stored in a several file formats, such as .bin or .pxy file, abc, pxy, rpc, typically saved from realflow, or passed as internal data which is stored in the .mxs file.
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CextensionManager* extensionManager = CextensionManager::instance(); CgeometryProceduralExtension* geomProcExtension = extensionManager->createGeometryProceduralExtension( "MaxwellParticles" ); //Get the extension container. When using this method of getting the container, //nearly all parameters have default values, and there is no need to explicitly set them. MXparamList* particlesParams = geomProcExtension->getExtensionData(); //Fill the required data char* filename = "/home/rocco/Emitter01_00023.bin"; particlesParams->setString( "FileName", filename ); //Enable loading particle vorticity data byte load = 1; particlesParams->setByte( "Load particle Vorticity", load ); //These two numbers can be obtained parsing the particles file or all the particles sequence //They're needed to map the values of vorticities from 0.0 to 1.0 to access the texture. float minV = 0.0; float maxV = 23.67; particlesParams->setFloat( "Min Vorticity", minV ); particlesParams->setFloat( "Max Vorticity", maxV ); //Add the procedural object to the scene Cmaxwell::Cobject obj = scene->createGeometryProceduralObject( "My Particles", particlesParams ); //Let´s add a uv channel... dword uvIndex; //returned uv channel index. Use this index in the texture map properties to access its uvs byte isOk = obj.addChannelUVW( uvIndex ); // uvIndex will be set to the actual uv channel number of the object. //...and set it to a custom UV generator, 17, in this case, vorticity modulus obj.generateCustomUVW( uvIndex, 17 ); //Now assign a material and set the first BSDF reflectance0º color a texture driven by uv channel 'uvIndex' //This uv channel, since it is a one-scalar valued channel, stores its value in the U coordinate. |
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Name | Type | Description |
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char* | Particles filename | |
float | Particle radius multiplier | |
float | Motion blur multiplier | |
float | Camera shutterspeed | |
"Load particles %" | float | Percentage of particles to load |
"Create N particles per particle" | unsigned int | Enables Multipoint feature if N > 0 |
"Extra particles dispersion" | float | Dispersion of the extra particles cloud |
"Extra particles deformation" | float | Deformation of the extra particles cloud |
"Load particle Force" | byte | Load or not array of Force vectors |
"Min Force" | float | Minimum force modulus value |
"Max Force" | float | Maximum force modulus value |
"Load particle Vorticity" | byte | Load or not array of Vorticity vectors |
"Min Vorticity" | float | Minimum vorticity modulus value |
"Max Vorticity" | float | Maximum vorticity modulus value |
"Load particle Normal" | byte | Load or not array of Normal vectors |
"Load particle neighbors no." | byte | Load or not array of particle neighbors# |
"Min Nneighbors" | unsigned int | Minimum number of neighbors value |
"Max Nneighbors" | unsigned int | Maximum number of neighbors value"Max Nneighbors" |
"Load particle UV" | byte | Load or not array of particle UV |
"Load particle Age" | byte | Load or not array of particle Age |
"Min Age" | float | Minimum age value |
"Max Age" | float | Maximum age value |
"Load particle Isolation Time" | byte | Load or not array of particle isolation time |
"Min Isolation Time" | float | Minimum isolation time value |
"Max Isolation Time" | float | Maximum isolation time value |
"Load particle Viscosity" | byte | Load or not array of particle viscosity |
"Min Viscosity" | float | Minimum viscosity value |
"Max Viscosity" | float | Maximum viscosity value |
"Load particle Density" | byte | Load or not array of particle density |
"Min Density" | float | Minimum density value |
"Max Density" | float | Maximum density value |
"Load particle Pressure" | byte | Load or not array of particle pressure |
"Min Pressure" | float | Minimum pressure value |
"Max Pressure" | float | Maximum pressure value |
"Load particle Mass" | byte | Load or not array of particle mass |
"Min Mass" | float | Minimum mass value |
"Max Mass" | float | Maximum mass value |
"Load particle Temperature" | byte | Load or not array of particle temperature |
"Min Temperature" | float | Minimum temperature value |
"Max Temperature" | float | Maximum temperature value |
"Load particle ID" | byte | Load or not array of particle ID |
"PARTICLE_POSITIONS" | float* | Array of particle positions |
"PARTICLE_SPEEDS" | float* | Array of particle speeds |
"PARTICLE_RADII" | float* | Array of particle radii |
"PARTICLE_IDS" | int* | Array of particleID's |
"PARTICLE_FORCE" | float* | Array of particle force |
"PARTICLE_VORTICITY" | float* | Array of particle vorticity |
"PARTICLE_NORMALS" | float* | Array of particle normals |
"PARTICLE_NNEIGHBORS" | int* | Array of particle's number of neighbors |
"PARTICLE_UVW" | float* | Array of particle native texture coordinates |
"PARTICLE_AGE" | float* | Array of particle age |
"PARTICLE_ISOL_TIME" | float* | Array of particle isolation time |
"PARTICLE_VISCOSITY" | float* | Array of particle viscosity |
"PARTICLE_DENSITY" | float* | Array of particle density |
"PARTICLE_PRESSURE" | float* | Array of particle pressure |
"PARTICLE_MASS" | float* | Array of particle mass |
"PARTICLE_TEMPERATURE" | float* | Array of particle temperature |
"PARTICLE_FLAG_COLORS" | byte | Indicates whether particle colors are available or not |
"PARTICLE_COLORS" | float* | Array of per particle color |
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