Function addScale

docs/app/js/sanddance-app.js:149699–149701

(name, params)

        this.scales[name] = this.add(transform1);
    },
    addScale (name, params) {
        this.addScaleProj(name, Scale(params));
    },
    addProjection (name, params) {
        this.addScaleProj(name, Projection(params));
    },