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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 ## Requirements
- If you want to build the GTSAM python library for a specific python version (eg 3.6), - 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: use the `-DGTSAM_PYTHON_VERSION=3.6` option when running `cmake` otherwise the default interpreter will be used.
```bash
cmake .. -DGTSAM_BUILD_PYTHON=1 -DGTSAM_PYTHON_VERSION=3.6.10
```
- If the interpreter is inside an environment (such as an anaconda environment or virtualenv environment), - If the interpreter is inside an environment (such as an anaconda environment or virtualenv environment),
then the environment should be active while building GTSAM. 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: - 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 ## 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`). - Build GTSAM and the wrapper with `make` (or `ninja` if you use `-GNinja`).
- To install, simply run `make python-install` (`ninja python-install`). - To install, simply run `make python-install` (`ninja python-install`).