From b883e6075bd76f979fbffdb768313665681315a0 Mon Sep 17 00:00:00 2001
From: Johannes Ranke <jranke@uni-bremen.de>
Date: Tue, 19 Feb 2019 20:17:59 +0100
Subject: Only plot when a Picture object is there

grConvert is not needed for plotting
---
 man/chent.Rd      | 4 ++--
 man/plot.chent.Rd | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'man')

diff --git a/man/chent.Rd b/man/chent.Rd
index a90a3b3..73cb728 100644
--- a/man/chent.Rd
+++ b/man/chent.Rd
@@ -55,12 +55,12 @@ configured for use with PythonInR}
 \examples{
 oct <- chent$new("1-octanol", smiles = "CCCCCCCCO")
 print(oct)
-if (requireNamespace("grConvert")) {
+if (!is.null(caffeine$Picture)) {
   plot(oct)
 }
 caffeine <- chent$new("caffeine")
 print(caffeine)
-if (requireNamespace("grConvert")) {
+if (!is.null(caffeine$Picture)) {
   plot(caffeine)
 }
 }
diff --git a/man/plot.chent.Rd b/man/plot.chent.Rd
index a406533..f2850fa 100644
--- a/man/plot.chent.Rd
+++ b/man/plot.chent.Rd
@@ -17,7 +17,7 @@ Plot method for chent objects
 \examples{
 caffeine <- chent$new("caffeine")
 print(caffeine)
-if (requireNamespace("grConvert")) {
+if (!is.null(caffeine$Picture)) {
   plot(caffeine)
 }
 }
-- 
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