A tool that helps extract data from analog map.
GitHub: https://github.com/YujiSODE/dataMappingGuide
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
dataMappingGuide.js
var obj=dataMappingGuide(canvas,src);
This function returns an object with some methods to control.
canvas
: a canvas elementsrc
: an optional filename or pathname of an image for background
resize(w,h,src)
; it sets canvas size and background imagesetDivisions(x,y)
; it sets horizontal and vertical divisionsw
andh
: new values for canvas width and canvas heightsrc
: filename or pathname of an image; 'none' is default valuex
andy
: numbers for horizontal and vertical divisions
setColor(rgb,alpha)
; it sets rgb color and alpha valuergb
: rgb color valuealpha
: an optional value between 0.0 (fully transparent) and 1.0 (fully opaque)
xy(x,y)
; it puts focus on a area that is specified using integer coordinatesx
andy
: positive integer indices for horizontal and vertical divisions
An example of 3x3 divided focus area:
_|1|2|3|
1|x|x|x|
2|x|x|x|
3|x|x|x|