Specifying both installation methods

## Installation

### Creating a virtual environment

Using a virtual enviroment is recommended to execute this tool:

```bash

cd DIR_GALAssify

python -m venv .env

source .env/bin/activate

```

Now, you can choose installing `GALAssify` by using [PIP](#installing-from-pip) or by cloning this repository for [installing from source](#installing-from-source).

### Installing from PIP

Install and update using [pip](https://pip.pypa.io/en/stable/getting-started/):

- For install with [pyds9](https://github.com/ericmandel/pyds9) support:

```

$ pip install "galassify[ds9] @ git+https://gloton.ugr.es/gitlab/lss/galassify.git"

```

- For standard installation:

```

$ pip install git+https://gloton.ugr.es/gitlab/lss/galassify.git

```

Using a virtual enviroment is recommended to execute this tool:

### Installing from source

First, clone the repository:

```bash

cd DIR_GALAssify

python -m venv .env

source .env/bin/activate

git clone https://gloton.ugr.es/gitlab/lss/galassify.git

cd galassify

```

Install `GALAssify`:

Then, install `GALAssify`:

```bash

pip install .

```

 **NOTE:** The installation could fail with the next message if the package `libxt-dev` is not found in your OS:

### Installation troubleshooting

The installation could fail with the next message if the package `libxt-dev` is not found in your OS:

```bash

xtloop.c:9:10: fatal error: X11/Intrinsic.h: No such file or directory

    9 | #include <X11/Intrinsic.h>

- filename: name of the image file to be displayed in the tool. Relative to the image path specified on execution.

- fits: name of the fits file to be displayed in the tool. Relative to the image path specified on execution.

Example: `galaxies.csv`

```csv

group,galaxy,ra,dec,filename

1,15,210.927048,-1.137346,img_1_15_.jpeg

1,254,211.020782,0.998166,img_1_254.jpeg

...

```

## Customizing the tool