feat(engine): update geometry processing with line intersection algor… #545
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…ithm and add geo dependency
WalkthroughThe pull request introduces several changes primarily focused on enhancing geographical data handling capabilities. The Changes
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Actionable comments posted: 1
🧹 Outside diff range and nitpick comments (1)
engine/Cargo.toml (1)
97-100: LGTM! Consider grouping related dependencies.The addition of geo-related dependencies (geo, geo-buffer, geo-types, and geojson) aligns well with the PR objective of updating geometry processing and adding geo dependency. These additions will enhance the project's geographical data handling capabilities.
Consider grouping these related dependencies together in the Cargo.toml file for better organization. You could add a comment above them to indicate their purpose, like this:
# Geo-related dependencies geo = "0.28.0" geo-buffer = "0.2.0" geo-types = "0.7.13" geojson = "0.24.1"This grouping can improve readability and make it easier to manage related dependencies in the future.
📜 Review details
Configuration used: .coderabbit.yaml
Review profile: CHILL
📒 Files selected for processing (2)
- engine/Cargo.toml (1 hunks)
- engine/runtime/action-processor/src/geometry/line_on_line_overlayer.rs (2 hunks)
🔇 Additional comments (1)
engine/runtime/action-processor/src/geometry/line_on_line_overlayer.rs (1)
7-7: Import statement approvedThe addition of the import
line_intersectionis appropriate and necessary for the new intersection functionality implemented.
| line_string.lines().zip(candidate.lines()).for_each( | ||
| |(line1, line2)| { | ||
| if let Some(reearth_flow_geometry::algorithm::line_intersection::LineIntersection::Collinear { intersection }) = line_intersection(line1, line2) { | ||
| intersect = true; | ||
| let line_float = Line2DFloat(intersection); | ||
| match line_features.entry(line_float.clone()) { | ||
| Entry::Occupied(mut entry) => { | ||
| let line_feature = entry.get_mut(); | ||
| line_feature.overlap += 1; | ||
| line_feature | ||
| .attributes | ||
| .insert(feature.id, feature.attributes.clone()); | ||
| } | ||
| Entry::Vacant(entry) => { | ||
| let mut attributes = HashMap::new(); | ||
| for (k, v) in feature.iter() { | ||
| attributes.insert(k.clone(), v.clone()); | ||
| } | ||
| let line_feature = LineFeature { | ||
| epsg: feature.geometry.as_ref().and_then(|g| g.epsg), | ||
| attributes: HashMap::from([(feature.id, attributes)]), | ||
| overlap: 1, | ||
| }; | ||
| entry.insert(line_feature); | ||
| } | ||
| } | ||
| let line_feature = LineFeature { | ||
| epsg: feature.geometry.as_ref().and_then(|g| g.epsg), | ||
| attributes: HashMap::from([(feature.id, attributes)]), | ||
| overlap: 1, | ||
| }; | ||
| entry.insert(line_feature); | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| ); |
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Potential logical error: Incomplete intersection checks between line segments
In the loop starting at line 261, the code uses zip to iterate over pairs of lines from line_string and candidate:
line_string.lines().zip(candidate.lines()).for_each(|(line1, line2)| {
if let Some(LineIntersection::Collinear { intersection }) = line_intersection(line1, line2) {
// ...
}
});This approach assumes that line_string and candidate have the same number of line segments and that corresponding segments should be checked for intersections. This may not correctly identify all intersections, especially when the number of segments differs or segments are not aligned.
To ensure all possible intersections are detected between the line segments of line_string and candidate, consider using nested loops to compare each segment of line_string with each segment of candidate.
Suggested fix: Replace zip with nested loops to compare all segment pairs
-line_string.lines().zip(candidate.lines()).for_each(|(line1, line2)| {
+for line1 in line_string.lines() {
+ for line2 in candidate.lines() {
if let Some(LineIntersection::Collinear { intersection }) = line_intersection(line1, line2) {
// ...
}
+ }
});This change ensures every segment from line_string is compared against every segment from candidate, allowing all potential intersections to be identified.
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (1)
engine/runtime/action-processor/src/geometry/line_on_line_overlayer.rs (1)
261-285: LGTM: Improved intersection logic addresses previous concernsThe changes in the
handle_2d_line_stringsmethod significantly improve the intersection detection logic:
- The nested loops now correctly compare each segment of
line_stringwith each segment ofcandidate, addressing the concern raised in the previous review about incomplete intersection checks.- The use of the
line_intersectionfunction provides a more robust way to determine collinear intersections.- The logic for updating
line_featureshas been streamlined and made more concise.These improvements align well with the PR objectives and resolve the issues highlighted in the past review comment.
Consider adding an early exit condition in the inner loop to improve performance:
for line1 in line_string.lines() { for line2 in candidate.lines() { if let Some(reearth_flow_geometry::algorithm::line_intersection::LineIntersection::Collinear { intersection }) = line_intersection(line1, line2) { intersect = true; + // Early exit if an intersection is found + break; } } + if intersect { + break; + } }This optimization would stop checking for further intersections once one is found, potentially improving performance for complex geometries.
📜 Review details
Configuration used: .coderabbit.yaml
Review profile: CHILL
📒 Files selected for processing (1)
- engine/runtime/action-processor/src/geometry/line_on_line_overlayer.rs (2 hunks)
🔇 Additional comments (2)
engine/runtime/action-processor/src/geometry/line_on_line_overlayer.rs (2)
7-7: LGTM: New import aligns with PR objectivesThe addition of the
line_intersectionimport from thereearth_flow_geometrycrate aligns well with the PR objective of updating geometry processing with a line intersection algorithm. This change suggests an improvement in the line intersection logic of theLineOnLineOverlayer.
Line range hint
1-424: Overall assessment: Changes meet PR objectives and improve code qualityThe modifications to the
LineOnLineOverlayerimplementation, particularly in thehandle_2d_line_stringsmethod, successfully address the PR objectives of updating geometry processing with a line intersection algorithm. The changes also resolve the concerns raised in previous reviews about incomplete intersection checks.Key improvements:
- Integration of the
line_intersectionfunction for more robust intersection detection.- Comprehensive checking of all possible intersections between line segments.
- Streamlined logic for updating
line_features.These changes enhance the overall functionality and reliability of the geometry processing in the engine. The code is now more aligned with best practices for handling line intersections in geometric computations.
…ithm and add geo dependency
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