landformPath

Methods that generates imaginary landform contour path.
GitHub: https://github.com/YujiSODE/landformPath

Copyright (c) 2018 Yuji SODE <yuji.sode@gmail.com>
This software is released under the MIT License.
See LICENSE or http://opensource.org/licenses/mit-license.php

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1. Script

• landformPath.js: CanvasRenderingContext2D methods
• landformPath_tools.js: Tool for drawing imaginary landform contour lines

2. Synopsis

Activating tools

var L=getLandform(canvas);

• canvas: a canvas element

Methods

• L.reset();
  method that resets parameters for available landform paths

• L.curves(x,y,radius,linesN,dN,N);
  method that generates landform contour lines using curved paths and returns modified radii

• L.lines(x,y,radius,linesN,dN,N);
  method that generates landform contour lines using linear paths and returns modified radii

• L.coveringCurves(radius,linesN,dN,N);
  method that generates landform contour lines covering the available landform paths and returns modified radii
  the generated landform contour lines using curved paths

• L.coveringLines(radius,linesN,dN,N);
  method that generates landform contour lines covering the available landform paths and returns modified radii
  the generated landform contour lines using linear paths

Parameters for methods

• x and y: values of coordinates for the center
• radius: an array of radii
• linesN: the total number of contour lines
• dN: a span between two red lines
• N: an optional number of contour lines above the top red line
  0 is default value