Questions tagged [geoviews]
GeoViews is a Python library that makes it easy to explore and visualize geographical, meteorological, and oceanographic datasets, such as those used in weather, climate, and remote sensing research.
geoviews
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Holoviews Dynamic map returns only one entry for time
I am trying to create a Panel program, which displays Holoviews.DynamicMaps.
Right now I can create the Maps and Display them. I only display one at a time and change between them using a dropdown ...
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41
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geoviews select widget to color by column in geopandas dataframe
I have a geoviews map that shows points from my geopandas dataframe. I would like to use panel to create a select widget to color the map by one of the columns, as I have done with pandas dataframes ...
- 137
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32
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xarray geoviews vectorfield
I'm having trouble implementing this for a vector field with a time dimension. My data is stored in an xarray dataset. Currently I am only implementing this for one time step of the data, whereas the ...
- 21
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101
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How to specify map extent in GeoViews with map tiles in the background
If I have a GeoDataFrame of point geometries, I can plot it up with GeoViews and specify the longitude extent of the display like this:
import geopandas as gpd
import geoviews as gv
import numpy as np
...
- 1,443
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7k
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How to resolve ImportError: cannot import name 'Box' from 'bokeh.models'?
I'm trying to change the coordinate reference system crs to a tile provider in bokeh and I was suggested to use geoviews but after install it I get this error
import geoviews as gv
Traceback (most ...
- 31
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255
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hvplot(geo=True) argument maps XY coordinates to incorrect latitude coordinates
I have a raster of the Northern beaches, Australia, in the UTM CRS projection for this region (56S). Now when I'm plotting this data using the hvplot.xarray extension as da.hvplot(x="x", y=&...
- 11
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53
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RangeX in geoviews, trying to understand x axis range
Can someone please explain to me the meaning of the x axis range retrieved using RangeX for geospatial data?
import geoviews as gv
import holoviews as hv
background = gv.tile_sources.Wikipedia
rng = ...
- 5,386
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402
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Legend for gridded Holoviews visualization with categorical data
I'm using the holoviz xarray extension (holoviews.xarray) to visualize a gridded dataset with landcover classes. Plotting the data is straightforward with da.hvplot(). This results however in a ...
- 11
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53
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ValueError: Unexpected option 'height' for Points type when using the 'matplotlib' extension. No similar options found
I am trying to do this project in the link. But various errors first concerning the library installation to now this value error. I am writing the code as how it is shown in this link. But unable to ...
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645
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Delaunay Triangulation on sphere (unstructured long lat grid)
I work with an unstructured grid of weather data, and I'm trying to plot it. For that I use the Delaunay triangulation.
def triangulate(vertices, x="Longitude", y="Latitude"):
&...
- 43
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211
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Error installing Geoviews (cartopy) on Windows
after started using and learning Holoviews-Panel-HvPlot, I'd like to learn Geoviews. Unfortunatly, problems started when I tried to install it. Down below the message. Just some more details:
I'm a ...
- 147
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275
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How to specify axis limits in geoviews (python)?
I have been using geopandas, but I am trying to switch to geoviews because it is more interactive. I'm wondering how to specify the axis limits for plotted data as a default view. I understand that it ...
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203
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xarray holoviews (hvplot.xarray) issue in Spyder
I have some .nc data that I use xarray to analyze. I wanted to overlay a shapefile on the plot and came across hv.plot which seems to have the interactive component I have been needing. However, when ...
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364
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Import geoviews in Anaconda
I am trying to install the geoviews module. I installed it successfully but when I am trying to import it in my code I have this message:
No module named 'channels
I don't know how to proceed.
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220
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Interactive time-series based on x-y location on map with hvplot
When I have a very large xarray.DataArray da with only two dimensions (x and y) I normally plot using something like:
da.hvplot(x="x", y="y", rasterize=True)
Now, if I have a ...
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