d3-3d/tests/linestrip-test.js

D3.js plugin for 3d visualization

import { test } from 'tape';
import * as d3 from '../';

test('linestrip draws correctly', function(t){

    var data = [
		[ 3,5,2],
		[ 2,45,2],
		[ 1,1,2],
		[ 0,9,3],
		[-1,3,2],
		[-2,8,4],
		[-3,0,2],
    ];

    var ls3D = d3._3d()
        .scale(30)
        .origin([220,340])
        .shape('LINE_STRIP');

    t.equal(ls3D.draw(ls3D([data])[0]), 'M130,340L160,580L190,430L220,610L250,370L280,1690L310,490');
    t.end();
});

test('centroid calculation for linesstrip', function(t){

    var data = [
        [ 3,5,2],
        [ 2,45,2],
        [ 1,1,2],
        [ 0,9,3],
        [-1,3,2],
        [-2,8,4],
        [-3,0,2],
    ];

    var data2 = [
        [ 3,5,2],
        [ 2,45,2],
        [ 1,1,2],
        [ 0,9,3],
        [-1,3,2],
        [-2,8,4],
    ];

    var ls3D = d3._3d()
        .scale(30)
        .origin([220,340])
        .shape('LINE_STRIP');

    t.deepEqual(ls3D([data])[0].centroid, {x:     0, y:     9, z:  3});
	t.deepEqual(ls3D([data2])[0].centroid, { x: 0.5, y: 5, z: 2.5 });

	t.end();
});