Fix bug in planar surface

[tomvanmele]

What type of change is this?

• Bug fix in a backwards-compatible manner.
• New feature in a backwards-compatible manner.
• Breaking change: bug fix or new feature that involve incompatible API changes.
• Other (e.g. doc update, configuration, etc)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• I added a line to the CHANGELOG.md file in the Unreleased section under the most fitting heading (e.g. Added, Changed, Removed).
• I ran all tests on my computer and it's all green (i.e. invoke test).
• I ran lint on my computer and there are no errors (i.e. invoke lint).
• I added new functions/classes and made them available on a second-level import, e.g. compas.datastructures.Mesh.
• I have added tests that prove my fix is effective or that my feature works.
• I have added necessary documentation (if appropriate)

[tomvanmele]

fix for #1301

[Copilot]

Pull Request Overview

This PR fixes a bug in the PlanarSurface.point_at method where it was not properly scaling the UV coordinates by the surface dimensions, returning incorrect point locations.

• Fixed the point_at method to multiply UV coordinates by the surface's xsize and ysize
• Added comprehensive test coverage for the corrected behavior
• Updated changelog to document the bug fix

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
src/compas/geometry/surfaces/planar.py	Fixed bug in point_at method to properly scale UV coordinates by surface dimensions
tests/compas/geometry/test_surfaces_plane.py	Added test cases for surface sizing and mesh conversion functionality
CHANGELOG.md	Added changelog entry for the bug fix
tasks.py	Updated import path and removed unused grasshopper function

Comments suppressed due to low confidence (1)

src/compas/geometry/surfaces/planar.py:1

• This commented-out code should be removed as it's no longer needed and creates clutter.

from __future__ import absolute_import

---

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[Copilot]

Import should use from invoke import Collection instead of the specific submodule path. This is the recommended import pattern for invoke.

Suggested change

	from invoke.collection import Collection
	from invoke import Collection

[tomvanmele]

my editor suggests the opposite...

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.04%. Comparing base (b8cef0d) to head (2ace77e).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1485      +/-   ##
==========================================
+ Coverage   62.00%   62.04%   +0.04%     
==========================================
  Files         208      208              
  Lines       22427    22427              
==========================================
+ Hits        13905    13914       +9     
+ Misses       8522     8513       -9     

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[tomvanmele]

only question is if the surface should be centered around the origin...

[tomvanmele]

although i was inclined to do so, it makes the UV space rather unintuitive...