kevinmoran

How to Calculate a Rotation Matrix to Align Vector A to Vector B in 3D

Based on 'Avoiding Trigonometry' by Íñigo Quílez

Expanded derivation by Kevin - 29/11/18

Introduction

Original article: https://iquilezles.org/www/articles/noacos/noacos.htm

lucasw

#!/usr/bin/env python
# PointCloud2 color cube
# https://answers.ros.org/question/289576/understanding-the-bytes-in-a-pcl2-message/
import rospy
import struct

from sensor_msgs import point_cloud2
from sensor_msgs.msg import PointCloud2, PointField
from std_msgs.msg import Header

KarthikMAM

#preparing for download 
mkdir "gridcorpus"
cd "gridcorpus"
mkdir "raw" "audio" "video"
cd "raw" && mkdir "audio" "video"

for i in `seq $1 $2`
do
    printf "\n\n------------------------- Downloading $i th speaker -------------------------\n\n"