vision: fix broken demos (#305)

* fix relative path to sample image * fix panic when running detect on picture with no text
GoogleCloudPlatform · Sep 11, 2017 · 5bbc8cf · 5bbc8cf
1 parent c3f85b6
commit 5bbc8cf
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/vision/detect/detect.go b/vision/detect/detect.go
@@ -194,8 +194,12 @@ func detectDocumentText(w io.Writer, file string) error {
 		return err
 	}
 
-	fmt.Fprintln(w, "Text:")
-	fmt.Fprintf(w, "%q\n", annotation.Text)
+	if annotation == nil {
+		fmt.Fprintln(w, "No text found.")
+	} else {
+		fmt.Fprintln(w, "Text:")
+		fmt.Fprintf(w, "%q\n", annotation.Text)
+	}
 
 	return nil
 }

diff --git a/vision/vision_quickstart/main.go b/vision/vision_quickstart/main.go
@@ -26,7 +26,7 @@ func main() {
 	}
 
 	// Sets the name of the image file to annotate.
-	filename := "vision/testdata/cat.jpg"
+	filename := "../testdata/cat.jpg"
 
 	file, err := os.Open(filename)
 	if err != nil {