Spatial phase II: Map projections#455

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teunbrand wants to merge 65 commits into

posit-dev:mainfrom

teunbrand:map_projections

Commits on May 6, 2026

Add map coordinate system with projection shorthands

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Commits on May 7, 2026

Commits on May 8, 2026

Implement MapProjection renderer with identity projection

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Commits on May 11, 2026

Implement horizon clipping for azimuthal map projections

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Handle antimeridian crossing in hemisphere clip polygon

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Store clip boundary in temp table for reuse across layers

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Add computed field to Projection, remove CLIP_BOUNDARY_KEY const

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Render map panel background from projected clip boundary

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Fix clip polygon wedge for pole+antimeridian projections

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Commits on May 12, 2026

Commits on May 13, 2026

Commits on May 14, 2026

Commits on May 15, 2026

Add conical projection shorthands (albers, lambert_conformal) with seam handling

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Commits on May 19, 2026

Commits on May 20, 2026

Commits on May 26, 2026

Commits on May 27, 2026