tm = {
let teMarkers = []
for (let i = 0; i < walker.nummarkers * 3 + 1; i++) {
teMarkers[i] = walker.sample(i, step[~~(now%step.length)] , true);
}
let w = []
for (let i = 0; i < walker.nummarkers; ++i) {
let x = teMarkers[i]
let y = teMarkers[i+walker.nummarkers]
let z = teMarkers[i+walker.nummarkers*2]
w.push( {x: x, y:y+600, z:z, desc:desc[i], view:'top'})
w.push( {x: y, y:z, z:x, desc:desc[i], view:'front'})
w.push( {x: x, y:z, z:y, desc:desc[i], view:'side'})
}
return w
}