jimutmap 1.4.2
To get enormous amount of map tiles with ease

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<p align="center">
  <img src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/logo.png" width="40%" height="40%">
  ...Bringing Data to Humans
</p>

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***


## 📋 Contents <a name="contents"></a>

* [Purpose](#purpose)
* [Need for scraping satellite data](#need-for-scraping-satellite-data)
* [Installation and Usages](#installation-and-usages)
* [Some of the example images downloaded at different scales](#some-of-the-example-images-downloaded-at-different-scales)
* [YouTube video](#youtube-video)
* [Sample of the images downloaded](#sample-of-the-images-downloaded)
* [Perks](#perks)
* [Additional Note](#additional-note)
* [TODOs](#todos)
* [Contribution](#contribution)
* [LICENSE](#license)
* [BibTeX and citations](#bibtex-and-citations)


## 🔁 Purpose <a name="purpose"></a>

This package collects data from [satellites.pro](https://satellites.pro/#32.916485,62.578125,4). It fetches all the tiles (image and road mask pair) as given by the parameters provided by the user. This uses an API-key generated at the time of browsing the map. **There are some future plans for this project, check [TODO](https://github.com/Jimut123/jimutmap/blob/master/TODO.md) to see what this will support in the future.**

The api `accessKey` token is automatically fetched if you have Google Chrome or Chromium installed using `chromedriver-autoinstaller`. Otherwise, you'll have to fetch it manually and set the `ac_key` parameter (which can be found out by selecting one tile from Apple Map, through chrome/firefox by going Developer->Network, looking at the assets, and finding the part of the link beginning with `&accessKey=` until the next `&`) every 10-15 mins. 

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## 💡 Need for scraping satellite data <a name="need-for-scraping-satellite-data"></a>

Well it's good (best in the world) satellite images, we just need to give the coordinates (Lat,Lon, and zoom) to get your dataset
of high resolution satellite images! Create your own dataset and apply ML algorithms :')


The scraping API is present, call it and download it.

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## 🛠 Installation and Usages <a name="installation-and-usages"></a>

```
sudo pip3 install jimutmap

# Install google chrome for chrome driver
wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
sudo apt install ./google-chrome-stable_current_amd64.deb

# optional for viewing the temporary files generated by internal databases
sudo apt-get install sqlite sqlitebrowser
```

Needs to have google chrome web browser in the system.

For example usage, check [test.py](https://github.com/Jimut123/jimutmap/blob/master/test.py)

```python3jimut@jimut:~/Desktop/GIT/jimutmap$ python3 test.py 
Sorry, 5 -- threads unavailable, using maximum CPU threads : 4
Initializing jimutmap ... Please wait...
Sorry, 50 -- threads unavailable, using maximum CPU threads : 4
Initializing jimutmap ... Please wait...
100%|██████████████████████████████████████████████| 20/20 [00:00<00:00, 113.67it/s]
Sorry, 50 -- threads unavailable, using maximum CPU threads : 4
Initializing jimutmap ... Please wait...
100%|██████████████████████████████████████████████| 20/20 [00:00<00:00, 722.10it/s]
Total satellite images to be downloaded =  210
Total roads tiles to be downloaded =  210
Approx. estimated disk space required = 4.1015625 MB
Total number of satellite images needed to be downloaded =  210
Total number of satellite images needed to be downloaded =  210
Batch =============================================================================  1
===================================================================================
Sorry, 50 -- threads unavailable, using maximum CPU threads : 4
Downloading all the satellite tiles: 
Updating sanity db ...
100%|████████████████████████████████████████████| 27/27 [00:00<00:00, 13291.81it/s]
Total number of satellite images needed to be downloaded =  197
Total number of satellite images needed to be downloaded =  196
Downloading speed == 0.09333877563476563 MiB/s 
Waiting for 15 seconds... Busy downloading
Downloading speed == 0.11976458231608073 MiB/s 
Waiting for 15 seconds... Busy downloading
Downloading speed == 0.01717344919840495 MiB/s 
Waiting for 15 seconds... Busy downloading
Batch =============================================================================  2
===================================================================================
Downloading all the satellite tiles: 
Updating sanity db ...
100%|██████████████████████████████████████████| 420/420 [00:00<00:00, 99921.03it/s]
Total number of satellite images needed to be downloaded =  0
Total number of satellite images needed to be downloaded =  0
************************* Download Sucessful *************************
Cleaning up... hold on
Updating sticher db ...
100%|██████████████████████████████████████████| 420/420 [00:00<00:00, 24357.17it/s]
Total number of satellite images needed to be downloaded =  0
Total number of satellite images needed to be downloaded =  0
Calculating bounding boxes for tiles :: 
Total number of rows present in the database=  210
100%|█████████████████████████████████████████| 210/210 [00:00<00:00, 528693.78it/s]
Min lat tile = 390842, Max lat tile = 390855, Min lon tile = 228264, Max lon tile = 228278
No. of tiles in latitude = 13, and longitude = 14
Creating an image of size : 3328x3584 pixels ...
100%|███████████████████████████████████████████████| 13/13 [00:00<00:00, 28.89it/s]
100%|███████████████████████████████████████████████| 13/13 [00:00<00:00, 42.02it/s]
Temporary sqlite files to be deleted = ['temp_sanity.sqlite', 'sticher.sqlite'] ? 
(y/N) : y
Temporary chromedriver folders to be deleted = ['100'] ? 
(y/N) : y
```

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## 📚 Some of the example images downloaded at different scales <a name="some-of-the-example-images-downloaded-at-different-scales"></a>

| | | | |
|:-------------------------:|:-------------------------:|:-------------------------:|:-------------------------:|
| <img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/1_urban_map_sat.jpeg"> | <img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/1_urban_map_mask.png"> | <img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/different_zoom_map.jpeg">|<img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/different_zoom_mask.png">|
|<img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/higher_scale_map.jpeg">  |  <img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/higher_scale_mask.png">|<img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/map_us_1.jpeg">|<img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/mask_us_1.png">|
|<img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/raj_map_1.jpeg">  |  <img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/raj_mask_1.png">|<img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/us_1_map.jpeg">|<img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/us_1_mask.png">|

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## 📚 Stitched tiles for Kolkata 

| | | 
|:-------------------------:|:-------------------------:|
| <img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/stiched_kolkata/Kolkata_sat.png"> | <img width="1604" src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/stiched_kolkata/Kolkata_road.png"> |

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## 📹 YouTube video <a name="youtube-video"></a>

If you are confused with the documentation, please see this video, to see the scraping in action [Apple Maps API to get enormous amount of satellite data for free using Python3](https://www.youtube.com/watch?v=voH0qhGXfsU).

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## 📚 Sample of the images downloaded <a name="sample-of-the-images-downloaded"></a>

<center>
<a href="https://www.youtube.com/watch?v=wCbZhtWe72w" alt="yt video" target="_blank"><img src="https://raw.githubusercontent.com/wiki/jimut123/jimutmap/satellite_data/scrn.png" alt="img of sat dat" width=85% height=85%></a>
</center>

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#### :feelsgood: Perks <a name="perks"></a>

This is done through parallel proccessing, so this will take maximum threads available in your CPU, change the 
code to your own requirements! 

If you want to re-fetch tiles, remember to delete/move tiles after every fetch request done! Else you won't get the updated information (tiles) of satellite data after that tile. It is calculated automatically so that all the progress remains saved!

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## 📓 Additional Note <a name="additional-note"></a>

This is created for educational and research purposes only! The [authors](https://github.com/Jimut123/jimutmap/blob/master/CONTRIBUTORS.md) are not liable for any damage to private property.

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## :atom: TODOs <a name="todos"></a>

Please check [TODOs](https://github.com/Jimut123/jimutmap/blob/master/TODO.md), since this project needs collaborators.

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## ❓ Questions or want to discuss about something ? <a name=""></a>

Submit an issue. 

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## 🤝 Contribution <a name="contribution"></a>

Please see [Contributing.md](https://github.com/Jimut123/jimutmap/blob/master/CONTRIBUTING.md)

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## 🛡️ [LICENSE](https://github.com/Jimut123/jimutmap/blob/master/LICENSE) <a name="license"></a>
```
 GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007

 Copyright (C) 2019-20 Jimut Bahan Pal, <https://jimut123.github.io/>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
```

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# 📝 BibTeX and citations <a name="bibtex-and-citations"></a>

```
@misc{jimutmap_2019,
  author = {Jimut Bahan Pal},
  title = {jimutmap},
  year = {2019},
  publisher = {GitHub},
  journal = {GitHub repository},
  howpublished = {\url{https://github.com/Jimut123/jimutmap}}
}
```

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