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feature: Extract images quick #10

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merged 1 commit into from
Mar 24, 2024
Merged

feature: Extract images quick #10

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98 changes: 52 additions & 46 deletions tools/e57-unpack/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,9 @@
*
* The unpacked results will be saved into an folder with the suffix "_unpacked"
* in the same folder as the original file.
*
* If --no-points is passed after the file path then the points
* will not be extracted, greatly reducing the time to extract the other files
*/

use anyhow::{ensure, Context, Result};
Expand All @@ -32,6 +35,7 @@ pub struct E57Metadata {
fn main() -> Result<()> {
let args: Vec<String> = std::env::args().collect();
ensure!(args.len() >= 2, "Usage: extract-images <path/to/my.e57>");
let extract_points = !args.contains(&"--no-points".to_string());

// Prepare input file and output folder
let input_file = &args[1];
Expand Down Expand Up @@ -135,56 +139,58 @@ fn main() -> Result<()> {
}

// Extract point clouds
let pointclouds = e57.pointclouds();
let pc_count = pointclouds.len();
println!("Found {pc_count} point cloud(s)");
for (index, pc) in pointclouds.iter().enumerate() {
println!("Starting to extract data for point cloud #{index}...");

// Extract metadata and write to txt file
let pc_metadata_file = output_folder.join(format!("pc_{index}.txt"));
let desc = format!("{pc:#?}");
write(pc_metadata_file, &desc).context("Failed to write metadata of point cloud")?;
println!(" Exported point cloud metadata");

// Create CSV header
let file_name = format!("pc_{index}.csv");
let file_path = output_folder.join(file_name);
let file =
File::create(file_path).context("Failed to open point cloud file for writing")?;
let mut writer = BufWriter::new(file);
let headers: Vec<String> = pc
.prototype
.iter()
.map(|r| format!("{:?} {:?}", r.name, r.data_type))
.collect();
let mut header = headers.join(";");
header += "\n";
writer
.write_all(header.as_bytes())
.context("Failed to write CSV header")?;

// Write CSV data
let iter = e57
.pointcloud_raw(pc)
.context("Failed to open point cloud iterator")?;
for p in iter {
let p = p.context("Failed to extract raw point")?;
let values: Vec<String> = p
if extract_points {
let pointclouds = e57.pointclouds();
let pc_count = pointclouds.len();
println!("Found {pc_count} point cloud(s)");
for (index, pc) in pointclouds.iter().enumerate() {
println!("Starting to extract data for point cloud #{index}...");

// Extract metadata and write to txt file
let pc_metadata_file = output_folder.join(format!("pc_{index}.txt"));
let desc = format!("{pc:#?}");
write(pc_metadata_file, &desc).context("Failed to write metadata of point cloud")?;
println!(" Exported point cloud metadata");

// Create CSV header
let file_name = format!("pc_{index}.csv");
let file_path = output_folder.join(file_name);
let file =
File::create(file_path).context("Failed to open point cloud file for writing")?;
let mut writer = BufWriter::new(file);
let headers: Vec<String> = pc
.prototype
.iter()
.map(|r| match &r {
RecordValue::Single(s) => s.to_string(),
RecordValue::Double(d) => d.to_string(),
RecordValue::ScaledInteger(si) => si.to_string(),
RecordValue::Integer(i) => i.to_string(),
})
.map(|r| format!("{:?} {:?}", r.name, r.data_type))
.collect();
let line = values.join(";") + "\n";
let mut header = headers.join(";");
header += "\n";
writer
.write_all(line.as_bytes())
.context("Failed to write CSV point")?;
.write_all(header.as_bytes())
.context("Failed to write CSV header")?;

// Write CSV data
let iter = e57
.pointcloud_raw(pc)
.context("Failed to open point cloud iterator")?;
for p in iter {
let p = p.context("Failed to extract raw point")?;
let values: Vec<String> = p
.iter()
.map(|r| match &r {
RecordValue::Single(s) => s.to_string(),
RecordValue::Double(d) => d.to_string(),
RecordValue::ScaledInteger(si) => si.to_string(),
RecordValue::Integer(i) => i.to_string(),
})
.collect();
let line = values.join(";") + "\n";
writer
.write_all(line.as_bytes())
.context("Failed to write CSV point")?;
}
println!(" Exported point cloud data to CSV file");
}
println!(" Exported point cloud data to CSV file");
}

Ok(())
Expand Down