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I'm currently working on a small project to try to visualize 2012 election results based on population density, per county. I'm parsing relevant data in Python, then a colleague of mine is using AS3 to visualize the data.
What was once just a scale-able bar graph, is soon to become a visualization on the map of the United States. It would be very useful to find GPS coordinate data per county. I've found TIGER data and shapefiles, but I assume there has got to be some collection of data that simplifies position to GPS coordinates.
Does anyone know where I can find this data? Either downloadable or accessed via a free-to-use API?
The U.S. Census Bureau has loads of API's and publicly available data:
http://www.census.gov/geo/maps-data/index.html
http://www.census.gov/developers/
http://www.census.gov/developers/data/
I'm not sure if they provide latitude and longitude, but it's a good place to start.
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Please I want to know where I can get an open source Drone aerial View images in geotiff format for research purposes.
Image that displays crop row, weeds, livestock etc.
Besides OpenAerialMap is there any other website where i can get such images. Please suggest to me.The images should be in Geotiff format
It's really hard to get those data. I have been working on cattle health monitoring with machine learning and we create our own dataset by setting up cameras on the farm. Most of these data are not shareable. Andrew William et al have created multiple publicly available datasets. Check out AerialCattle2017 , they are collected from done but cropped for individual cattle. The best option for you to find journal papers that deal with similar datasets and ask the corresponding author regarding access.
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I am doing a dissertation on data visualization of land prices in Tanzania.
My intendants want me to use a GIS software to map the data on a map and use python code to visualize it.
My question is how can i use python to draw the maps ?
If you want to perform data visualisation, you can use the python library called matplotlib
To perform the mapping of data on geographical maps using matplotlib, here are the examples which helps you to get started.
I hope this helps you.
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I'm currently analyzing air quality data. I've got long arrays of 17 columns and around 100 rows/day that I'll be averaging. I'd like to plot some of that data, specifically Ozone concentrations, on a map.
Basically, my visualized final product is this:
So, where the air quality sensor is, I want to highlight a 1x1 km area around it in a specific color corresponding to the value of ozone concentration the sensor is reading (either over an average day or at a specific time).
Is there any python module that could help me achieve this product/plot my data onto a map well?
As "Basemap" is a rather popular package for creating maps in Python, I suggest having a look at this article: How to draw rectangles on a Basemap
Once you figure out how to draw rectangles that are scaled to your specifications, it should be easy to fill them with a color representing your data.
Cheers!
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I'm pretty new to the whole idea of data visualization, so I was hoping people could point me in the direction of efficient tools to use for a problem I have:
I've got a lot of numerical data (they are counts) that are tied to specific countries with a two-letter country code. Ideally, I'd like to be able to represent these counts using a sort of world heat map. In other words, if the count for India is 20 and the count for China is 5, I'd want China to be colored light red and India to be colored dark red.
What tools would be best to do something like this? I do my data manipulation and analysis using pandas and Python, so I'd love to keep things in the Python family, but I'd love any suggestions at all.
Matplotlib has something called basemap
Vincent
Databench is a tool that connects your Python analysis with an html frontend where you can use tables and interactive elements to navigate your data. You can also use d3.js or higher level JavaScript libraries that use d3.js to visualize your counts on a map.
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I want to visualize track on geographic map. I don't need thousands of layers, 3d and other GIS functionality. I just want to visualize my (latitude, longitude, altitude, time) tuples on map background as simple as possible. Animation should also be supported.
Could anyone recommend good Python library?
There's something called basemap which is an addon for matplotlib to do maps.
See the gallery or cookbook example.
Matplotlib has it's own animation support and I don't know any reason it shouldn't work with basemap (although as that page notes, it's not the fastest thing around).
There is a YouTube video series which covers basemap and matplotlib called 'Geographical Plotting with Python' posted by Sentdex.
Part 1 -
http://www.youtube.com/watch?v=E6gvtfQHJUs
Incidentally he has a number of other interesting Python projects on his channel:
http://www.youtube.com/user/sentdex