You can install an OHIF Simple Viewer by following the below steps:
1) Install Meteor
$
curl https://install.meteor.com/ | sh
2) Clone the Viewers repository
$
git clone https://github.com/OHIF/Viewers.git
3) Go to the SimpleViewer directory
$
cd Viewers/StandaloneViewer/StandaloneViewer/
4) Run the Standalone viewer
$
METEOR_PACKAGE_DIRS="../../Packages" meteor --settings ../../config/dcm4cheeDIMSE.json
Make sure that your JSON file consisting of the URLs of DICOM images (i.e., series instances) is placed inside the directory
Viewers/StandaloneViewer/StandaloneViewer/public
as in
Viewers/StandaloneViewer/StandaloneViewer/public/big.json
5) Access the viewer from the browser.You may access it from localhost:3000 followed by the url of a JSON file consisting of Dicom images.
http://localhost:3000/?url=https://raw.githubusercontent.com/OHIF/Viewers/master/StandaloneViewer/StandaloneViewer/private/testData/PTCTStudy.json
or access your local json files consisting of the DICOM instances, as in,http://localhost:3000/?url=big.json