如何在Boost 1.58中启用Boost Geometry扩展的Dissolve功能？

Hi Alex,

Let me break down your question and share practical, actionable advice tailored to your situation:

Can you directly pull the develop branch code for dissolve? #

Short answer: Not recommended. The develop branch of Boost.Geometry is built for the latest Boost versions, which has massive differences from the 1.58 release. Dropping this code into your 1.58 setup will almost certainly cause:

• Compilation failures due to changed internal APIs or missing core dependencies
• Runtime instability from mismatched logic between the old Boost 1.58 core and the new extension code
• No official support for this hybrid, untested setup

Better Alternatives for Your 1.58 Project #

Here are more reliable paths to get the dissolve functionality working:

• Search for 1.58-compatible patches: Even if you haven't found them yet, dig into Boost.Geometry's historical issue trackers, mailing list archives, or old commit logs. There might be early iterations of the dissolve algorithm written specifically to work with 1.58 before it was merged into the develop branch.
• Upgrade your Boost version (if feasible): If your project allows it, upgrading to a newer Boost release (where dissolve is officially supported or included) is the safest choice. Newer versions come with bug fixes, better documentation, and full compatibility for the extension algorithm.
• Manually port the dissolve code: If you must stick with 1.58, you can try adapting the develop branch's dissolve code to your version. This will require:
  1. Comparing core Boost.Geometry structures/functions used by dissolve between 1.58 and the develop branch
  2. Modifying the extension code to match 1.58's API
  3. Running extensive tests to ensure the ported code works correctly without breaking existing functionality
• Implement a workaround with existing 1.58 algorithms: Depending on your use case, you might replicate dissolve's behavior using combinations of existing 1.58 algorithms (like union_, intersection, or simplify). This avoids modifying Boost source code entirely, though it may require writing custom wrapper logic.

Final Tips #

If you choose to port or add external code, make sure to:

• Keep the extension code isolated in your project (don't modify original Boost 1.58 headers directly)
• Test edge cases thoroughly (e.g., overlapping geometries, invalid polygons)
• Document the custom code for future maintainers

内容的提问来源于stack exchange，提问作者chung-cheng cheng