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ProFit (version 1.3.3)

Fit Projected 2D Profiles to Galaxy Images

Description

Get data / Define model / ??? / Profit! 'ProFit' is a Bayesian galaxy fitting tool that uses a fast 'C++' image generation library and a flexible interface to a large number of likelihood samplers.

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Version

Install

install.packages('ProFit')

Monthly Downloads

148

Version

1.3.3

License

LGPL-3

Issues

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Repository

https://github.com/ICRAR/ProFit

Maintainer

Last Published

November 11th, 2019

Functions in ProFit (1.3.3)

profitBenchmark

Benchmark profile integration and image convolution using libprofit.

Add together image matrices

profitBruteConv

Low level brute force image convolution

profitBenchmarkResultBest

Return best integration/convolution method from a profitBenchmark result.

profitBenchmarkConv

Benchmark convolution of an image with a point spread function (PSF).

profitAvailableConvolvers

Returns supported convolver types

profitAvailableIntegrators

Returns supported profile integration methods

Initial 2D Sersic Model Image Parameters

profitBenchmarkResultStripPointers

Return a copy of a data.frame with pointers converted to strings for easy printing

profitCheckIsPositiveInteger

Check if a value is a positive integer

Performs a convolution using the give convolver object

profitConvolvePSF

High level image convolution

Ferrer Profile Specific Functions

King Profile Specific Functions

Sersic Profile Specific Functions

Moffat Profile Specific Functions

profitCoreSersic

Core-Sersic Profile Specific Functions

profitBrokenExp

Broken-Exponential Profile Specific Functions

profitClearCache

Clears the internal cache used by libprofit/ProFit

Down/Up-Samples an Image

Measure Isophotal Flux for Pseudo-Ellipses

Convert between fluxes and magnitudes.

Check for presence of OpenMP, OpenCL and FFTW

profitGetOpenCLEnvs

Get available OpenCL environments

profitDeprojectImageEllipse

Deproject an image along an ellipse's minor axis

2D image interpolation

profitDataBenchmark

Setup ProFit Data Benchmarks

profitDataSetOptionsFromBenchmarks

Setup ProFit Data Options from Benchmarks

profitEllipsePlot

Plot Isophotal Surface Brightness for Pseudo-Ellipses

profitMakePointSource

Create an image of a point source (PS) with an analytical or empirical point spread function (PSF).

profitOpenCLEnv

Create OpenCL Pointer Object

profitLikeModel

Calculate the log likelihood of a model given the input data

profitMakeConvolver

Creates a Convolver object.

profitOpenCLEnvInfo

Discover System Available OpenCL GPUs

profitMakeGaussianPSF

Make a 2D Gaussian PSF (point source profile or point spread function)

Magnitude to Surface Brightness Conversions

profitMakePriors

Make a Priors Function

profitMakePlots

Plot Image, Model and Residuals

profitMakeModel

High-Level 2D Galaxy and Point Source Image Creation

profitParseLikefunc

Check various allowed names for likelihoods

profitSetupData

Setup ProFit Data

profitPoissonMonteCarlo

Monte Carlo sample an image assuming Poisson-distributed counts

profitRemakeModellist

Reconstruct an Image Model