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Improve API (copied iterator, flat indices) #7

Merged
merged 5 commits into from
Apr 1, 2024
Merged

Improve API (copied iterator, flat indices) #7

merged 5 commits into from
Apr 1, 2024

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ciscorn
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@ciscorn ciscorn commented Apr 1, 2024

close #6 (Thanks @Shatur)


Example: Input 3D positions by just ignoring the z-component.

    let mut earcut = Earcut::new();
    #[allow(clippy::useless_vec)]
    let data = vec![
        [0.0, 0.0, 1.0],
        [100.0, 0.0, 1.0],
        [100.0, 100.0, 1.0],
        [0.0, 100.0, 1.0],
    ];
    let hole_indices: &[usize] = &[];
    let mut triangles = vec![];
    earcut.earcut(
        data.iter().flat_map(|v| [v[0], v[1]]),
        hole_indices,
        &mut triangles,
    );
    assert_eq!(triangles, vec![2, 3, 0, 0, 1, 2]);
    assert_eq!(
        deviation(
            data.iter().flat_map(|v| [v[0], v[1]]),
            hole_indices,
            &triangles
        ),
        0.0
    );

Summary by CodeRabbit

  • New Features
    • Introduced a new utility utils3d for projecting 3D polygons into 2D space, enhancing geometric computations.
  • Documentation
    • Updated README with information about the new utils3d utility and added relevant imagery.
  • Refactor
    • Improved data handling in benchmarks, examples, library code, and tests by transitioning to array-based structures for better efficiency and readability.
  • Chores
    • Updated copyright information in the LICENSE.txt file to include a new copyright holder for 2023.

@ciscorn ciscorn self-assigned this Apr 1, 2024
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coderabbitai bot commented Apr 1, 2024

Walkthrough

The update introduces several key enhancements across various files, focusing on improving data handling, introducing a new utility for 3D to 2D projection, and refining the API to address user feedback. These changes collectively aim to enhance usability, efficiency, and compatibility with different data structures and external crates.

Changes

Files Change Summary
LICENSE.txt, README.md - Added a new copyright holder and a new utility utils3d for 3D to 2D projection.
benches/..., examples/..., src/..., tests/... - Adjusted data structures for vertices and triangles, improved macro definitions, and updated function signatures and calls to better accommodate array and iterator usage.

Assessment against linked issues

Objective Addressed Explanation
Accept iterator for vertices [#6]
Remove reference for 2D conversion [#6]
Return triangles as Vec<N> [#6]

Poem

In the code where bytes align,
A rabbit hopped and tweaked the line.
From 3D to 2D, shapes now cast,
In arrays and vectors, changes vast.
🐰🎉 With every commit, a leap so fine,
CodeRabbit’s work, through time, will shine.


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Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between afcb0f0 and 3dcd757.
Files ignored due to path filters (2)
  • Cargo.toml is excluded by !**/*.toml
  • docs/image.png is excluded by !**/*.png, !**/*.png
Files selected for processing (8)
  • LICENSE.txt (1 hunks)
  • README.md (1 hunks)
  • benches/benchmark.rs (2 hunks)
  • examples/example.rs (2 hunks)
  • src/lib.rs (38 hunks)
  • src/utils3d.rs (3 hunks)
  • tests/fixture.rs (2 hunks)
  • tests/simple.rs (1 hunks)
Additional Context Used
Additional comments not posted (20)
README.md (2)

9-9: The addition of the utils3d utility is a valuable enhancement to the library, addressing the need for handling 3D coordinates more effectively.


12-14: Adding an image to the documentation is a good practice for visual aid. Consider adding a caption or description to clarify its relevance to utils3d.

LICENSE.txt (1)

4-4: The addition of Taku Fukada as a copyright holder in 2023 is correctly formatted and reflects the collaborative contributions to the project.

examples/example.rs (2)

10-16: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [13-28]

The modifications in handling vertices and passing them to the earcut function align well with the API improvements, enhancing flexibility and usability.


32-34: The adjustments in assertion checks for the number of triangles and deviation calculations are appropriate and ensure the tests remain valid after the API changes.

benches/benchmark.rs (2)

7-15: The adjustments to the load_fixture function, returning a tuple containing a vector of arrays of size 2, simplify data handling and align with the API improvements.


36-93: The modifications to earcut.earcut calls within benchmark functions to pass iterators of copied data instead of references are a good practice and align with the API improvements.

src/utils3d.rs (2)

5-6: Using array slices instead of tuples for vector operations is a good practice that simplifies the code and improves readability.


1-55: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [9-70]

The adjustments to the normal and project3d_to_2d functions, including the use of array slices and the simplification of parameters, enhance the clarity and efficiency of the 3D to 2D projection calculations.

tests/fixture.rs (2)

10-16: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [13-27]

The modifications to data handling, specifically refining the type of data to Vec<[f64; 2]>, align well with the API improvements and make the tests more consistent with the proposed changes.


32-32: The adjustments to the deviation and earcut function calls are appropriate and ensure the tests accurately evaluate the functionality after the API changes.

tests/simple.rs (2)

6-11: The modifications to the earcut function calls, including accepting arrays of arrays instead of slices and removing the dim parameter, simplify the data structure and make the function calls more intuitive.


11-122: The updates to the deviation function calls, aligning them with the modifications to the earcut function calls, ensure consistency and accuracy in the tests.

src/lib.rs (7)

41-45: The use of unsafe { $nodes.get_unchecked($index) } in the node! macro introduces potential safety issues if the index is out of bounds. Consider adding bounds checks or documenting the safety requirements for callers.


50-54: Similar to the node! macro, the node_mut! macro uses unsafe { $nodes.get_unchecked_mut($index) }, which can lead to undefined behavior if the index is out of bounds. Ensure safety is guaranteed by the caller or implement bounds checking.


93-99: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [96-110]

Adding a data field to the Earcut struct is a significant change. Ensure that this field is properly documented, especially regarding its role and how it interacts with other parts of the Earcut algorithm.


120-176: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [123-182]

The earcut method has undergone significant changes, including a new method signature and logic to handle the input data. Ensure comprehensive testing of these changes, particularly with edge cases and invalid inputs, to maintain the correctness of the triangulation algorithm.

Verification successful

---


The review of the earcut method's testing strategy, based on the content of tests/simple.rs and tests/fixture.rs, reveals a comprehensive approach to testing. The tests cover a wide range of scenarios, including basic geometries, edge cases, and invalid inputs, through both unit tests and fixture-based tests with real-world data. This thorough testing ensures the correctness and robustness of the earcut method, particularly with the changes made to its signature and logic. Therefore, the original review comment about ensuring comprehensive testing, especially for edge cases and invalid inputs, has been addressed satisfactorily.

Scripts Executed

The following scripts were executed for the analysis:


Script:

#!/bin/bash
# Placeholder for a more detailed verification script that would check for comprehensive testing of the `earcut` method.
echo "Ensure comprehensive testing of the earcut method, including edge cases and invalid inputs."

Length of output: 192



Script:

#!/bin/bash
# Search for test files related to the `earcut` method
fd --type f "(test|spec)" | xargs rg "earcut"

Length of output: 4262



Script:

#!/bin/bash
# Examine the content of tests related to the `earcut` method for coverage of edge cases and invalid inputs.
cat tests/simple.rs
cat tests/fixture.rs

Length of output: 9143


186-214: The linked_list function's logic for creating a circular doubly linked list has been updated. Verify that these changes do not introduce any regressions, especially in cases where the input data has holes or is in a non-standard format.


279-294: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [270-312]

The earcut_linked function's modifications are crucial for the triangulation process. It's important to ensure that the changes, especially the new conditions and loops, do not affect the algorithm's efficiency or correctness.


865-974: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [939-1047]

Utility functions like signed_area, z_order, point_in_triangle, area, equals, on_segment, and sign are foundational to the algorithm. Review these for mathematical correctness and ensure they are optimized for performance.

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codecov bot commented Apr 1, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.54%. Comparing base (afcb0f0) to head (11c8e9a).

Additional details and impacted files
@@           Coverage Diff           @@
##             main       #7   +/-   ##
=======================================
  Coverage   99.54%   99.54%           
=======================================
  Files           2        2           
  Lines         881      882    +1     
=======================================
+ Hits          877      878    +1     
  Misses          4        4           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

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Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between 3dcd757 and 4dc83d8.
Files selected for processing (1)
  • src/lib.rs (8 hunks)
Files skipped from review as they are similar to previous changes (1)
  • src/lib.rs
Additional Context Used

@ciscorn ciscorn changed the title Improve API Improve API (Input iterator, flat indices) Apr 1, 2024
@ciscorn ciscorn changed the title Improve API (Input iterator, flat indices) Improve API (copied iterator, flat indices) Apr 1, 2024
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Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between 4dc83d8 and 11c8e9a.
Files selected for processing (5)
  • benches/benchmark.rs (2 hunks)
  • examples/example.rs (2 hunks)
  • src/lib.rs (8 hunks)
  • tests/fixture.rs (2 hunks)
  • tests/simple.rs (10 hunks)
Files skipped from review as they are similar to previous changes (5)
  • benches/benchmark.rs
  • examples/example.rs
  • src/lib.rs
  • tests/fixture.rs
  • tests/simple.rs
Additional Context Used

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Thanks, looks good!

@ciscorn ciscorn merged commit 3a889bb into main Apr 1, 2024
3 checks passed
@ciscorn ciscorn deleted the v0.3 branch April 1, 2024 07:46
ciscorn added a commit to MIERUNE/plateau-gis-converter that referenced this pull request Apr 2, 2024
MIERUNE/earcut-rs#7 の変更に追従する


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **リファクタ**
	- 3DタイルとGLTFの出力処理で、インデックスバッファの型を改善しました。これにより、データの処理がより効率的になります。
	- PLY形式の出力処理も同様に改善され、よりシンプルで効率的なデータ処理を実現しています。

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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