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Installation instructions to build Python 2.7 #1436

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Installation instructions to build Python 2.7 #1436

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Installation instructions to build Python 2.7 
Might be non-minimal
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@aleixpb2
aleixpb2 authored Nov 25, 2019
commit f98c35228236d157d53a6d66952eaff87f37fbdd
21 changes: 20 additions & 1 deletion doc/installation_jetson_tx2_jetpack3.3.md
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Expand Up @@ -29,11 +29,30 @@ Notes:


## Installation
Use the following script for installation of both caffe and OpenPose:
1. Use the following script for installation of both caffe and OpenPose:
```
bash ./scripts/ubuntu/install_caffe_and_openpose_JetsonTX2_JetPack3.3.sh
```
2. If you do not want to build the Python libraries, the installation is finished. Otherwise, edit the BUILD_PYTHON flag on CMakeLists.txt:

```option(BUILD_PYTHON "Build OpenPose python." ON)```

and, in both places where this appears, set the flag to ON:
```
-DBUILD_python=ON
-DBUILD_python_layer=ON
````

3. There are additional flags that need to be set: `PYTHON_EXECUTABLE=/usr/bin/python2.7` and `PYTHON_LIBRARY=/usr/lib/aarch64-linux-gnu/libpython2.7.so` for Python 2.7. Therefore, inside build, do:

```cmake -DBUILD_PYTHON=ON -DPYTHON_EXECUTABLE=/usr/bin/python2.7 -DPYTHON_LIBRARY=/usr/lib/aarch64-linux-gnu/libpython2.7.so ..```

4. Now run `make`. You should see a file called "pyopenpose.so" if Python was set to 2.7, in
/home/nvidia/openpose/build/python/openpose. Otherwise, it will be "pyopenpose.cpython-35m-aarch64-linux-gnu"

5. Finally, run `sudo make install` inside build to copy the files to /usr/local/python and set PYTHONPATH accordingly on .bashrc:

```export PYTHONPATH="${PYTHONPATH}:/usr/local/python```

## Usage
It is for now recommended to use an external camera with the demo. To get to decent FPS you need to lower the net resolution:
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