Object interactions

These tutorials describe interactions between main objects of the library.

• Create an array with a hole at the center
  • Array part
  • Vectorial part
  • Combine array and vector
  • Get the external contour
• Interaction WolfArray/vectors - Transfer Z data
  • Creation of an array
  • Creation of a vector
  • Copy the values from the array to the vector
  • Other vector’s properties
• Interaction WolfArray/vectors - Rasterizing/Fill in
  • Importing necessary libraries
  • Creation of an array
  • Creation of a vector
  • Rasterizing using the attribute value
  • Creation of a zone
  • Filling a vector with a scalar value passed by parameter
  • Interpolation “z” values
  • Advanced options
  • Strictly inside polygon
  • Including boundary points
  • Prioritizing vector
  • Important routines
  • Do not confuse
• Convolution
  • Import necessary libraries
  • Creation of a matrix and a filter
  • Setting up data for different cases
  • Calculation of the convolution with Numpy
  • Calculation of convolution using Fourier transform
  • Conclusions
• Eikonal Solver — Full Demonstration
  • Theoretical Background
  • Common Utilities
  • 1. Isotropic: 1st Order vs 2nd Order
  • 2. Anisotropic: 4-Connected vs 8-Connected (Ordered Upwind Method)
  • 3. Non-trivial Application: Fire Propagation Under Wind
  • 4. Application: Passive Tracer in a Flow Around an Obstacle
  • Summary of Solver Variants
• Eikonal Solver with Drift (Advection)
  • Equation
  • Contents
  • 1. Point Source with Uniform Drift
  • 2. Effect of Drift Magnitude
  • 3. River Channel with Longitudinal Drift
  • 4. Inpainting with Drift
  • Summary
  • 5. Supercritical Drift — Mach Cone
  • 6. Building Eikonal Inputs from a Hydrodynamic Velocity Field