Welcome to documentation of the QGIS plugin SciPy Filters!

The QGIS plugin SciPy Filters provides access to SciPy filters via the processing toolbox.

Python users get extra tools for working in the QGIS Python console: helpers.RasterWizard allows to get the data of a QGIS raster layer as a numpy array, and the processing result back into QGIS as a new raster layer.

QGIS Plugin repository: https://plugins.qgis.org/plugins/scipy_filters/

Source Code and bug tracker: https://github.com/florianneukirchen/scipy_filters/

SciPy filters is open source software, released under the GPLv2 license.

Contents:

• Getting started
  • Installation
  • Usage
  • Settings
  • Tips for Python users
    • Kernel / Structure / Footprint
    • Size
    • Dimension, output data type, border mode, etc.
• Processing Algorithms
  • Blur — SciPy Filters for QGIS
    • Fourier Ellipsoid
    • Fourier Gaussian
    • Fourier uniform
    • Gaussian filter
    • Uniform filter
  • Convolution — SciPy Filters for QGIS
    • Convolve
    • Correlate
    • FFT Convolve
    • FFT Correlate
  • Edges — SciPy Filters for QGIS
    • Gaussian gradient magnitude
    • Gaussian Laplace
    • Gradient filter
    • Laplace filter
    • Prewitt filter
    • Sobel filter
  • Enhance — SciPy Filters for QGIS
    • Unsharp mask
    • Wiener filter
  • Morphological filters — SciPy Filters for QGIS
    • Binary dilation, erosion, closing, and opening
    • Grey dilation, erosion, closing, and opening
    • Fill holes
    • Hit or miss
    • Tophat or morphological gradient/Laplace
  • No Data filters — SciPy Filters for QGIS
    • Apply no data mask
    • Fill no data
    • No data mask
  • Principal Component Analysis (PCA) — SciPy Filters for QGIS
    • Principal Component Analysis (PCA)
    • Keep only n components
    • Transform from principal components
    • Transform to principal components
  • Pixel based filters — SciPy Filters for QGIS
    • Complete pixel statistics
    • Difference band to band
    • Pixel gradient filter
    • Pixel maximum filter
    • Pixel mean filter
    • Pixel median filter
    • Pixel minimum filter
    • Pixel range filter
    • Pixel standard deviation
    • Pixel variance
  • Statistical Filters — SciPy Filters for QGIS
    • Estimate local standard deviation
    • Estimate local variance
    • Local range (difference of min and max)
    • Maximum filter
    • Median filter
    • Minimum filter
    • Percentile filter
    • Rank filter
• Helpers for the Python console
  • RasterWizard
  • RasterWindow and related functions
    • RasterWindow
    • Related functions

Indices and tables

• Index

• Search Page