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authorJohannes Ranke <jranke@uni-bremen.de>2019-02-19 20:17:59 +0100
committerJohannes Ranke <jranke@uni-bremen.de>2019-02-19 20:17:59 +0100
commitb883e6075bd76f979fbffdb768313665681315a0 (patch)
treecc3f14824db202513bf632f817e8439ae72ae5d8 /inst/examples/caffeine.R
parent95a067f0ed8fb580cc3652acd4c7885eb000244a (diff)
Only plot when a Picture object is there
grConvert is not needed for plotting
Diffstat (limited to 'inst/examples/caffeine.R')
-rw-r--r--inst/examples/caffeine.R2
1 files changed, 1 insertions, 1 deletions
diff --git a/inst/examples/caffeine.R b/inst/examples/caffeine.R
index f5711f3..e886878 100644
--- a/inst/examples/caffeine.R
+++ b/inst/examples/caffeine.R
@@ -1,5 +1,5 @@
caffeine <- chent$new("caffeine")
print(caffeine)
-if (requireNamespace("grConvert")) {
+if (!is.null(caffeine$Picture)) {
plot(caffeine)
}

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