[geos-commits] [SCM] GEOS branch main updated. b50bb516081b9c3193fbc8001c08493d275f8fa2

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- Log -----------------------------------------------------------------
commit b50bb516081b9c3193fbc8001c08493d275f8fa2
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Thu Jul 9 11:12:05 2026 -0700

    Add in Curve geometry info to WKB section
    Closes #1472

diff --git a/web/content/specifications/wkb.md b/web/content/specifications/wkb.md
index 048f96794..57c5ee024 100644
--- a/web/content/specifications/wkb.md
+++ b/web/content/specifications/wkb.md
@@ -85,18 +85,23 @@ with each ordinate value set to an IEEE-754 quiet NaN value
 GEOS only supports the seven original simple features geometry types.
 
 ```
-enum wkbGeometryType {
+enum wkbType {
     wkbPoint = 1,
     wkbLineString = 2,
     wkbPolygon = 3,
     wkbMultiPoint = 4,
     wkbMultiLineString = 5,
     wkbMultiPolygon = 6,
-    wkbGeometryCollection = 7
+    wkbGeometryCollection = 7,
+    wkbCircularString = 8,
+    wkbCompoundCurve = 9,
+    wkbCurvePolygon = 10,
+    wkbMultiCurve = 11,
+    wkbMultiSurface = 12
 };
 ```
 
-Other systems (eg PostGIS) support a wider range of types (for example, CircularString, CurvePolygon), and hence more geometry type numbers, but GEOS is currently unable to consume those geometries.
+Other systems (eg PostGIS) support a wider range of types (for example, PolyhedralSurface, TIN), and hence even more geometry type numbers, but GEOS is cannot consume those geometries.
 
 ```
 WKBPoint {
@@ -133,7 +138,7 @@ WKBMultiLineString {
     WKBLineString WKBLineStrings[numWkbLineStrings];
 }
 
-wkbMultiPolygon {
+WKBMultiPolygon {
     byte    byteOrder;
     uint32  wkbType; // 6
     uint32  numWkbPolygons;
@@ -158,8 +163,59 @@ WKBGeometryCollection {
     uint32  numWkbGeometries;
     WKBGeometry wkbGeometries[numWkbGeometries];
 }
+
+WKBCurve {
+    union {
+        WKBLineString linestring;
+        WKBCircularString circstring;
+        WKBCompoundCurve compound;
+    }
+}
+
+WKBCircularString {
+    byte    byteOrder;
+    uint32  wkbType; // 8
+    uint32  numPoints;
+    Point   points[numPoints];
+}
+
+WKBCompoundCurve {
+    byte    byteOrder;
+    uint32  wkbType; // 9
+    uint32  numCurves;
+    WKBCurve   curves[numCurves]; // start/end points must match
+}
+
+WKBCurvePolygon {
+    byte    byteOrder;
+    uint32  wkbType; // 10
+    uint32  numRings;
+    WKBCurve   rings[numRings]; // rings must be closed
+}
+
+WKBSurface {
+    union {
+        WKBPolygon polygon;
+        WKBCurvePolygon curvepoly;
+    }
+}
+
+WKBMultiCurve {
+    byte    byteOrder;
+    uint32  wkbType; // 11
+    uint32  numCurves;
+    WKBCurve   curves[numCurves];
+}
+
+WKBMultiSurface {
+    byte    byteOrder;
+    uint32  wkbType; // 12
+    uint32  numSurfaces;
+    WKBSurface   surfaces[numSurfaces];
+}
 ```
 
+
 ### Example
 
 The following bytes (in hex) make up the WKB for a `LINESTRING(0 0, 1 1, 2 1)`:

-----------------------------------------------------------------------

Summary of changes:
 web/content/specifications/wkb.md | 64 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 60 insertions(+), 4 deletions(-)


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