Matplotlib Tutorial 28 - plotting coordinates on a map with Basemap

TL;DR

Learn how to plot and connect lines with base maps using coordinates, markers, and arcs.

Transcript

what is going on everybody Welcome To Part 28 of our map plot lib tutorial Series in this part what we're going to be talking about is plotting and connecting lines with base Maps so first of all let's go ahead and choose uh different coordinates here to start with we're just going to plot with United States so we're going to change um this to 25 t... Read More

Key Insights

• 🍁 Base maps can be used to plot specific coordinates and visualize them on a map.
• 😥 Markers can be customized with different shapes, colors, and sizes to enhance the plotted points' appearance.
• 🫥 Lines can be drawn to connect plotted points, and their appearance can be modified by changing attributes like line width and color.
• 🫠 Adding a curved arc to the line can provide a more visually appealing representation of the connection between points.
• 🫥 The draw great circle function is useful for drawing curved lines between two specific points on a map.
• ⚾ Base maps allow for the creation of geospatial visualizations, making it easier to analyze and interpret location-based data.
• 🍁 Understanding latitude and longitude coordinates is essential for accurate plotting on a base map.

Questions & Answers

Q: How can you plot specific coordinates on a base map?

To plot coordinates, assign latitude and longitude values to variables and convert them to the xpt and ypt format. Then, use the m.plot function to plot the points on the base map.

Q: Can markers be customized for the plotted points?

Yes, you can customize markers by specifying their shape, color, and size. For example, you can use different marker types like circles, stars, or triangles, and adjust the marker size to make it more visible.

Q: How do you connect plotted points with a line?

To connect plotted points, create two lists for the x and y coordinates. Append the converted xpt and ypt values to these lists. Finally, use the m.plot function to plot the line by passing the x and y lists as arguments.

Q: Is it possible to add a curved arc to the line connecting the points?

Yes, you can add a curved arc to the line using the draw great circle function. This function takes the coordinates of the two points and draws a curved line between them, giving the line a curved appearance.

Summary & Key Takeaways

• The video tutorial demonstrates how to plot specific coordinates, such as New York City and Los Angeles, on a base map.

• It explains how to customize markers for the plotted points, including changing their shape, color, and size.

• The tutorial also teaches how to connect the plotted points with a line and add a curved arc to enhance the visual representation.