add images to the README

.gitattributes

@@ -0,0 +1 @@
+docs/images/*.png filter=lfs diff=lfs merge=lfs -text

README.md

@@ -8,28 +8,37 @@ track high-altitude balloon telemetry with a TNC-equipped radio connected via US
 
 ## Installation
 
-retrieve the latest compiled executable from the [Releases page](https://github.com/UMDBPP/PacketRaven/releases)
+download the latest compiled executable from the [Releases page](https://github.com/UMDBPP/PacketRaven/releases)
 
----
-**NOTE**
-
-Alternatively, you may download the source code and compile the program yourself:
-
-```shell
-git clone https://github.com/UMDBPP/PacketRaven.git
-cd packetraven
-cargo build
-```
+> **Note**
+> Alternatively, you can download the source code and compile the program yourself:
+> ```shell
+> git clone https://github.com/UMDBPP/PacketRaven.git
+> cd packetraven
+> cargo build --release
+> ls target/release
+> ```
 
 ## Usage
 
 To run ``packetraven``, open a terminal window and type the path to the executable file. 
 The program accepts a single argument; the configuration filename.
+For more information on creating configuration files, [read the documentation](https://packetraven.readthedocs.io).
 
 For example, to run ``packetraven`` on ``examples/example_1.yaml``, run the following:
 
 ```shell
 packetraven examples/example_1.yaml
 ```
 
-For usage examples, see the `examples/` directory or [read the documentation](https://packetraven.readthedocs.io).
+![log messages tab](/docs/images/example1_log.png)
+
+Use the left and right arrow keys (or `Tab` and `Shift+Tab`) to switch between tabs:
+![track tab w/ plot of altitude over time](/docs/images/example1_altitude.png)
+
+Use the up and down arrow keys to switch between plots:
+![track tab w/ plot of ascent rate over time](/docs/images/example1_ascent_rate.png)
+![track tab w/ plot of ground speed over altitude](/docs/images/example1_ground_speed.png)
+![track tab w/ plot of unprojected coordinates](/docs/images/example1_coordinates.png)
+
+To quit the program, press `q` or `Esc`.

src/utilities.rs

@@ -72,14 +72,17 @@ pub mod local_datetime_string {
         let value: String = String::deserialize(deserializer)?;
         Ok(match chrono::DateTime::parse_from_rfc3339(&value) {
             Ok(datetime) => datetime.with_timezone(&chrono::Local),
-            Err(_) => match chrono::Local.datetime_from_str(&value, FORMAT) {
-                Ok(datetime) => datetime,
-                Err(_) => chrono::NaiveDate::parse_from_str(&value, "%Y-%m-%d")
-                    .map_err(serde::de::Error::custom)?
-                    .and_hms_opt(0, 0, 0)
-                    .unwrap()
-                    .and_local_timezone(chrono::Local)
-                    .unwrap(),
+            Err(_) => match chrono::DateTime::parse_from_str(&value, "%Y-%m-%d %H:%M:%S %Z") {
+                Ok(datetime) => datetime.with_timezone(&chrono::Local),
+                Err(_) => match chrono::Local.datetime_from_str(&value, FORMAT) {
+                    Ok(datetime) => datetime,
+                    Err(_) => chrono::NaiveDate::parse_from_str(&value, "%Y-%m-%d")
+                        .map_err(serde::de::Error::custom)?
+                        .and_hms_opt(0, 0, 0)
+                        .unwrap()
+                        .and_local_timezone(chrono::Local)
+                        .unwrap(),
+                },
             },
         })
     }