add download script for EuRoC-MAV

scripts/eurocmav-preparation-scripts/download_eurocmav.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# Function to download a file
+download_file() {
+  url=$1
+  filename=$(basename "$url")
+  wget "$url" && echo "Downloaded: $filename" || echo "Failed to download: $filename"
+}
+
+mkdir euroc-mav
+cd euroc-mav
+
+# Array of download links
+download_links=(
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/machine_hall/MH_01_easy/MH_01_easy.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/machine_hall/MH_02_easy/MH_02_easy.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/machine_hall/MH_03_medium/MH_03_medium.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/machine_hall/MH_04_difficult/MH_04_difficult.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/machine_hall/MH_05_difficult/MH_05_difficult.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/vicon_room1/V1_01_easy/V1_01_easy.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/vicon_room1/V1_02_medium/V1_02_medium.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/vicon_room1/V1_03_difficult/V1_03_difficult.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/vicon_room2/V2_01_easy/V2_01_easy.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/vicon_room2/V2_02_medium/V2_02_medium.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/vicon_room2/V2_03_difficult/V2_03_difficult.zip"
+  "http://robotics.ethz.ch/~asl-datasets/ijrr_euroc_mav_dataset/calibration_datasets/"
+)
+
+# Maximum parallel downloads
+max_parallel=7
+
+# Download files in parallel with a maximum limit
+index=0
+num_links=${#download_links[@]}
+while ((index < num_links)); do
+  for ((count = 0; count < max_parallel && index < num_links; count++, index++)); do
+    download_file "${download_links[index]}" &
+  done
+  wait
+done
+
+# Iterate through all files in the current directory
+for file in *; do
+  if [[ -f "$file" && "$file" == *.zip ]]; then
+    # Create a new subfolder with the same name as the .zip file
+    folder="${file%.zip}"
+    mkdir "$folder"
+
+    # Unzip the .zip file
+    unzip -d "$folder" "$file"
+
+    # Delete the .zip file
+    rm "$file"
+  fi
+done