gw-conditions

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Similar to gage-conditions-gif but for groundwater!

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# gw-conditions

A visualization showing groundwater conditions as little peaks above or below their normal values. The final website can be found here: https://labs.waterdata.usgs.gov/visualizations/gw-conditions/index.html#/

This visualization is built using an R-based pipeline for data processing, and Vue.js + D3.js to create an animated site. The R-based pipeline (1) calculates daily percentiles for each well based on the historic record at each site, and (2) writes an svg map for the base of the animation. The R-based pipeline also pushes the data up to a public S3 bucket. This pipeline leverages an internal package, `library(scipiper)` to automate the workflow. You do not need to run the pipeline to be able to build the app locally, since the app points to data in the S3 bucket.

## Build the visualization locally

The data (all CSVs and SVGs) needed for this visualization are already publicly available through `labs.waterdata.usgs.gov/visualizations/data/[FILENAME]`. You should be able open this repo, run the following code chunk, and see the visualization locally (http://localhost:8080/) without needed to build the data pipeline:

```
npm install
npm run serve
```

## Build the data behind the visualization and push to S3

This step is not needed to build the visualization locally since the data files are available through a public S3 bucket and can be accessed from `labs.waterdata.usgs.gov/visualizations/data/[FILENAME]`. Run this code if you need to update the data or base SVG behind the visualization.

### Generate the historic data

The historic data pipeline (`0_historic.yml`) is decoupled from the rest of the pipeline. It will build only when you run `scmake(remake_file = "0_historic.yml")`. Otherwise, the `1_fetch.yml` part of the pipeline will assume the historic data is on S3 ready to use and will download the data using the filepaths described in `0_config.yml`. The historic data is being stored on the developer VPC in the `vizlab-data` bucket but should be moved for public access later if we do a data release.

### Generate the data behind the viz

If you plan to be able to push the final data to S3, you need to have the appropriate S3 configs prepared. The file `lib/cfg/s3_config_viz.yml` expects you to have credentials labeled `[prod]` in your `~/.aws/credentials` file (rather than `[default]`). Also note that any of the targets that call `scipiper::s3_put()` will require you to be on the USGS Network (VPN). If you want to build the data pipeline but don't need to (or can't) push to S3, you can run `options(scipiper.dry_put = TRUE)` and then the code listed below. This will skip the upload step.

Once your configurations are set up, run the following to generate the data needed by the visualization.

```r
library(scipiper)
scmake()
```

In the end the following targets should have been built successfully (because they are what is pushed to S3 and used by the Vue code):

- `visualizations/data/gw-conditions-time-labels.csv.ind`
- `visualizations/data/gw-conditions-peaks-map.svg`
- `visualizations/data/gw-conditions-peaks-timeseries.csv.ind`
- `visualizations/data/gw-conditions-site-coords.csv.ind`
- `visualizations/data/gw-conditions-daily-proportions.csv.ind`

Follow the two steps below in order to retain a copy of the current visualization's timeseries data, so that we can access it in the future without a data pipeline rebuild.

1. Authenticate to AWS using the Dev VPC. Use `saml2aws login` in your regular command line, and then make sure you choose the `gs-chs-wma-dev` account when prompted. If you are still authenticated to the Prod VPC, try running `saml2aws login --force` in order to force a new login.
1. Then run `scmake('3_visualize/out/gw-conditions-peaks-timeseries-s3copy.ind')` to push a copy of the `3_visualize/out/gw-conditions-peaks-timeseries.csv` file to the `vizlab-data` bucket on the Dev VPC. The file will be automatically given a new name based on the `viz_start_date` and `viz_end_date` target values, using this pattern: `gw-conditions/viz-previous-peak-data/gw-conditions-peaks-timeseries-[viz_start_date]_[viz_end_date].csv`.

gw-conditions

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