Question
Can you help me write a python code with the assignment below? Flood map from lab 4. We can use this data to make a
Can you help me write a python code with the assignment below?
Flood map from lab 4.
We can use this data to make a flood map of New York City. When Hurricane Sandy hit New York City in 2012, sea level rose 6 feet above normal, causing extensive flooding in low lying areas (NYT map). For our flood map, we can incorporate the storm surge into our coloring scheme:
if elevationTo give us complete control of the coloring, we will create a new array that will hold the colors for each pixel. Here's an outline of our program:
- Import the libraries to manipulate and display arrays.
- Read in the NYC data and store in the variable, elevations
- Create a new array, floodMap, to hold our colors for the map.
- For each element in elevations, make a pixel colored by the schema above.
- Load our image into pyplot.
- Display the image.
We'll use a very simple (but a bit garish) color scheme, with our "blue" being 0% red, 0% green, and 100% blue. And similarly, the "red" and the "green" we'll use will be 100% of each, 0% of the others, giving a map like:
Here's the code, implementing our outline below. Copy it into an IDLE window and run it. It expects that the file elevationsNYC.txt is in the same directory as your program.
# Name: ... your name here ... # Date: September 2017 # Takes elevation data of NYC and displays using the default color map #Import the libraries for arrays and displaying images: import numpy as np import matplotlib.pyplot as plt #Read in the data to an array, called elevations: elevations = np.loadtxt('elevationsNYC.txt') #Take the shape (dimensions) of the elevations # and add another dimension to hold the 3 color channels: mapShape = elevations.shape + (3,) #Create a blank image that's all zeros: floodMap = np.zeros(mapShape) for row in range(mapShape[0]): for col in range(mapShape[1]): if elevations[row,col]What would you change to make a more fine-grained map? Namely, modify your program to color the region just above the Sandy storm surge (6 feet) and less than or equal to 20 feet the color grey (50% red, 50% green, 50% blue). Also, modify your program to not show any graphics windows (plt.show()) but instead just compute and save the map to floodMap.png. See Programming Problem List.
Hello, I need help with this programming assignment below.
Modify the flood map of NYC from Lab 4 to color the region of the map with elevation greater than 6 feet and less than or equal 20 feet above sea level the color grey (50% red, 50% green, and 50% blue).
Your resulting map should look like:
and be saved to a file called floodMap.png.
Note: before submitting your program for grading, remove the commands that show the image (i.e. the ones that pop up the graphics window with the image). The program is graded on a server on the cloud and does not have a graphics window, so, the plt.show() and plt.show() commands will give an error. Instead, the files your program produces are compared pixel-by-pixel to the answer to check for correctness
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