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Update README.md

release/4.3a0
John Lambert 2020-09-21 09:40:42 -04:00 committed by GitHub
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@ -7,10 +7,7 @@ This is the Python wrapper around the GTSAM C++ library. We use our custom [wrap
## Requirements
- If you want to build the GTSAM python library for a specific python version (eg 3.6),
use the `-DGTSAM_PYTHON_VERSION=3.6` option when running `cmake` otherwise the default interpreter will be used. For example, if you local Python version is 3.6.10, then run:
```bash
cmake .. -DGTSAM_BUILD_PYTHON=1 -DGTSAM_PYTHON_VERSION=3.6.10
```
use the `-DGTSAM_PYTHON_VERSION=3.6` option when running `cmake` otherwise the default interpreter will be used.
- If the interpreter is inside an environment (such as an anaconda environment or virtualenv environment),
then the environment should be active while building GTSAM.
- This wrapper needs `pyparsing(>=2.4.2)`, and `numpy(>=1.11.0)`. These can be installed as follows:
@ -21,8 +18,10 @@ This is the Python wrapper around the GTSAM C++ library. We use our custom [wrap
## Install
- Run cmake with the `GTSAM_BUILD_PYTHON` cmake flag enabled to configure building the wrapper. The wrapped module will be built and copied to the directory `<PROJECT_BINARY_DIR>/python`.
- Run cmake with the `GTSAM_BUILD_PYTHON` cmake flag enabled to configure building the wrapper. The wrapped module will be built and copied to the directory `<PROJECT_BINARY_DIR>/python`. For example, if you local Python version is 3.6.10, then run:
```bash
cmake .. -DGTSAM_BUILD_PYTHON=1 -DGTSAM_PYTHON_VERSION=3.6.10
```
- Build GTSAM and the wrapper with `make` (or `ninja` if you use `-GNinja`).
- To install, simply run `make python-install` (`ninja python-install`).