1 files changed, 10 insertions, 0 deletions
diff --git a/src/io.cpp b/src/io.cpp
index 691d96e3..f95a8079 100644
--- a/src/io.cpp
+++ b/src/io.cpp
@@ -2517,6 +2517,11 @@ WKTParser::Private::buildGeodeticCRS(const WKTNodeNNPtr &node) {
     auto props = buildProperties(node);
     addExtensionProj4ToProp(nodeP, props);
 
+    // No explicit AXIS node ? (WKT1)
+    if (isNull(nodeP->lookForChild(WKTConstants::AXIS))) {
+        props.set("IMPLICIT_CS", true);
+    }
+
     auto datum =
         !isNull(datumNode)
             ? buildGeodeticReferenceFrame(datumNode, primeMeridian, dynamicNode)
@@ -3361,6 +3366,11 @@ WKTParser::Private::buildProjectedCRS(const WKTNodeNNPtr &node) {
     auto cs = buildCS(csNode, node, UnitOfMeasure::NONE);
     auto cartesianCS = nn_dynamic_pointer_cast<CartesianCS>(cs);
 
+    // No explicit AXIS node ? (WKT1)
+    if (isNull(nodeP->lookForChild(WKTConstants::AXIS))) {
+        props.set("IMPLICIT_CS", true);
+    }
+
     if (isNull(csNode) && node->countChildrenOfName(WKTConstants::AXIS) == 0) {
         const auto methodCode = conversion->method()->getEPSGCode();
         // Krovak south oriented ?