Questions tagged [plotting]
The plotting tag has no usage guidance.
16
questions
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Method of interpolation to create weighted heatmap rasters in R from point data
I want to create a geospatial heatmap that is weighted by a specific variable sourced from georeferenced points.
An example dataset is 'us_states' from the 'spData' package. I want to take this data, ...
5
votes
1
answer
843
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Rotating a set of points with an angle with rotation matrix: why is result "distorted"
What might be going wrong with my rotation of set of points as result look distorted? I have a set of points (X,Y). I calculate the mean (= "center of gravity") of them and subtract it from ...
1
vote
1
answer
43
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Imported .csv file plotting incorrectly
I have imported a csv into ArcGIS, then displayed xy data. For some unknown reason to me, the point are plotting incorrectly. I am using an ESRI base map in WGS 84 web mercator aux sphere and the ...
0
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2
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141
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Proportional symbol map in QGIS
I want to create a map of India showing 30 districts that have the highest COVID-19 cases as of 31 December 2020 using QGIS. I marked the 30 districts and added the CSV file to this layer. I want to ...
2
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1
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59
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What does the "scale" setting when plotting a NDVI or EVI time series?
I adapted the script from the guide for ui.Chart.image.series to my region of interest and time period:
// Import the example feature collection and subset the forest feature.
var bm = ee....
1
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1
answer
1k
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Not getting different colors on Folium package
I am trying to plot some points on the map, where the points are marked based on geo-coordinates and each point belongs to a category.
I am trying to set the color of the categories from the color ...
0
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1
answer
250
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Inaccurate georeferencing when plotting raster files using rasterio
I am trying to develop a plot of a raster image with a background map. I used rasterio for reading the raster file and contextily for obtaining the background map following this tutorial.
The plotted ...
0
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1
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509
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ggplotting st_cast("MULTILINESTRING") lines: ends points undesirably connected to starts using R
I have the lat-lon positions of various individuals. When I plot multiple individuals at the same time, I see odd lines over land, and have been investigating why. It transpires that plotting ...
1
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1
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291
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Why are my circles plotted on maps, using buffer data from GeoPandas, not the same size as if I plot on Google Earth?
I am using GeoPandas and matplotlib to plot some circles of desired radius around a set of points.
I find that the circles are not the right size on the maps, but the equivalent sized circles drawn on ...
1
vote
1
answer
143
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Blank spaces in large format plotter prints
I keep getting a blank swath when printing large format PDF files to my plotter.
I am trying to plot a single page that is 42" (maximum width of roll for this plotter) by up to 120" in ...
1
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0
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80
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Plotting points of restaurant locations onto NYC Taxi Data Shapefile Plot [closed]
I'm trying to plot the locations of restaurants in NYC onto the plot of NYC boroughs that I made from the shapefile provided by the NYC Taxi Data website using Rstudio. I don't understand why it is ...
0
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1
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69
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Using Google Earth to figure out the coordinate reference system from only lon, lat information
Lately, I've been trying to use lat/long information to plot on QGIS without any good results because I lack the correct EPSG code for the coordinate reference system. This is not the case with Google ...
0
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1
answer
126
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XY points not displaying
Using ArcMap, I am trying to add a series of co-ordinates to a map to show the distribution of shelf seas I am analysing. However, when I go through the process of adding XY data to the basemap, it ...
2
votes
1
answer
691
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AIS Data Gaps - plotting as lines in QGIS
I am currently attempting to plot AIS data from our on board AIS receiver in QGIS. (https://en.wikipedia.org/wiki/Automatic_identification_system)
My current processing steps are :-
Import the AIS ...
3
votes
2
answers
2k
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Plotting lon/lat point (without manual conversion) on XY map using GeoPandas?
I am data scientist not experienced in GIS and need to do some simple map plotting of the Netherlands. Using Geopandas everything works out nice and dandy for my purposes however I am stuck on 1 ...
3
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1
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3k
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Creating chloropleth maps in geopands with 'user_defined' bins
As suggested in the geopandas mapping tools documentation, I want to create a chloropleth map using a custom defined bin sizes:
world.plot(column='gdp_per_cap', cmap='OrRd', scheme='user_defined')
...