Merge branch 'plot-names'

vegandevs · Jul 3, 2023 · 3cfbbe4 · 3cfbbe4
2 parents 3efccb1 + dbf4652
commit 3cfbbe4
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Showing 2 changed files with 18 additions and 4 deletions.
diff --git a/R/ordiplot.R b/R/ordiplot.R
@@ -64,10 +64,22 @@
                 localPoints(Y, pch = "+", col = "red", cex = cex, ...)
         }
         if (type == "text") {
-            if (!is.null(X))
-                localText(X, labels = rownames(X), col = 1, cex = cex, ...)
-            if (!is.null(Y))
-                localText(Y, labels = rownames(Y), col = "red", cex = cex, ...)
+            if (!is.null(X)) {
+                labs <- rownames(X)
+                if (is.null(labs)) {
+                    warning("type='t', but no names available: using x1...")
+                    labs <- paste0("x", as.character(seq_len(nrow(X))))
+                }
+                localText(X, labels = labs, col = 1, cex = cex, ...)
+            }
+            if (!is.null(Y)) {
+                labs <- rownames(Y)
+                if (is.null(labs)) {
+                    warning("type='t', but no names available: using y1...")
+                    labs <- paste0("y", as.character(seq_len(nrow(Y))))
+                }
+                localText(Y, labels = labs, col = "red", cex = cex, ...)
+            }
         }
         out <- list(sites = X, species = Y)
     }

diff --git a/R/print.wcmdscale.R b/R/print.wcmdscale.R
@@ -55,6 +55,8 @@
             choices <- choices[choices <= NCOL(x$points)]
             x$points[, choices, drop = FALSE]
         }
+    if (is.null(rownames(p)))
+        rownames(p) <- as.character(seq_len(nrow(p)))
     if (tidy) {
         p <- data.frame(p, "scores" = "sites", "label" = rownames(p),
                         "weight" = weights(x))