descartes | Imprecision-tolerant computational geometry for Rust | Animation library
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QUESTION
This question appears to have been answered before, but none of the answers helped in my case. First I should say that I've followed the OSMnx Installation steps exactly. Then tried to run the following code in a Jupyter Notebook:
...ANSWER
Answered 2021-May-13 at 04:04You have installed an extremely old version of OSMnx. Your conda list
output shows you have version 0.7.3 installed, and that was released 3 or 4 years ago. It's so old that it's incompatible with the modern features of GeoPandas and pyproj, including the modern CRS object that's causing your error. I'm not clear how you did it! My best guess is you installed using one of the old tags on this page, which do point to version 0.7.3.
This should be fixed by removing the old environment and then following the installation instructions here, like:
QUESTION
I have the below code and it works fine, excepted that I would like to make sure water is not plotted outside of the gdf polygone as the road network.
ox.geometries_from_polygon has the right polygon as param, however it looks like OSM returns all elements if a point is within the polygon.
Any hints/examples would be appreciated.
Thanks,
Attila
...ANSWER
Answered 2021-Mar-20 at 04:30You can just take the intersection of your water geometries and the place boundary like:
QUESTION
I followed Adrien's answer to create a graph that can have multiple polygons.
I plan to create filled-up circles that span across the whole grid in the graph. I want to test if there's overlapping between the circles and the polygons to identify which polygons overlap for each circle. To that end, I have looked at this, but the circles here are cascaded whereas I want separate circles like this.
How do I create circles and test overlap?
Any suggestion would help.
...ANSWER
Answered 2021-Mar-09 at 20:41You could do something like that (even if there is always a better solution than nested loops):
First initialize a DataFrame that we will then fill with combinations of intersected rectangles/circles.
Then we will loop over the rectangles stored in your_dict
and create circles based on positions
.
For each circle, check if it intersects the given rectangle. If so, save the circle geometry in list.
When all circles have been checked, create a DataFrame with two columns, rectangle where the rectangle geometry is duplicated as many times as the number of intersected circles, and circle, where the circle geometry intersecting the rectangle is stored.
Finally, append this DataFrame to results
.
QUESTION
Starting a few days ago, after months without issue, I began having a giant error box keep popping up when editing my code in Atom. I believe it is from the Hydrogen plugin, the weird thing is even with this error the code still runs and does what I want it too.
I created a new conda environment, installing only what I needed (pandas, geopandas, descartes, jupyter) and even when using the new environment in Atom I am getting this issue. I've tried upgrading ipykernel but it is already the most recent version.
Error Message
...[IPKernelApp] ERROR | Exception in message handler: Traceback (most recent call last): File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/ipykernel/kernelbase.py", line 268, in dispatch_shell yield gen.maybe_future(handler(stream, idents, msg)) File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/tornado/gen.py", line 762, in run value = future.result() File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/tornado/gen.py", line 234, in wrapper yielded = ctx_run(next, result) File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/ipykernel/kernelbase.py", line 583, in complete_request matches = yield gen.maybe_future(self.do_complete(code, cursor_pos)) File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/ipykernel/ipkernel.py", line 360, in do_complete return self._experimental_do_complete(code, cursor_pos) File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/ipykernel/ipkernel.py", line 385, in _experimental_do_complete completions = list(_rectify_completions(code, raw_completions)) File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/IPython/core/completer.py", line 484, in rectify_completions completions = list(completions) File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/IPython/core/completer.py", line 1818, in completions for c in self._completions(text, offset, _timeout=self.jedi_compute_type_timeout/1000): File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/IPython/core/completer.py", line 1861, in _completions matched_text, matches, matches_origin, jedi_matches = self._complete( File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/IPython/core/completer.py", line 2029, in _complete completions = self._jedi_matches( File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/IPython/core/completer.py", line 1373, in _jedi_matches interpreter = jedi.Interpreter( File "/home/username/anaconda3/envs/fresh/lib/python3.8/site-packages/jedi/api/init.py", line 725, in init super().init(code, environment=environment, TypeError: init() got an unexpected keyword argument 'column'
ANSWER
Answered 2021-Feb-10 at 13:20The latest jedi (0.18) release is incompatible with IPython 7.19 see this discussion. IPython: 7.20 (released Feb 1st 2020) and 8.0 (not yet released) have a compatibility fix.
The correct workaround at this time is to upgrade IPython:
QUESTION
I know I'm close to figuring this out but I've been wracking my brain and can't think of what's going wrong here. I need to count the number of vowels in the array of nameList
using the vowelList
array, and currently it's outputting 22, which is not the correct number of vowels.
Incidentally, 22 is double the length of the array nameList, but I can't see any reason what I wrote would be outputting double the array length. Any help would be appreciated. Not looking for the answer, for a nudge in the right direction.
...ANSWER
Answered 2020-Oct-17 at 00:12You're thinking about this too hard. Relax and let Python do the work:
QUESTION
so I'm working on a Line of Sight script where the Polygons act as buildings and return a boolean value based on whether a line intersects with a Polygon.
The logic behind it works, but when I try to integrate more Polygons from a list called polycoords and use a For Loop so it can instantiate it on the Graph, it comes out as two separate graphs rather than a single one.
...ANSWER
Answered 2020-Oct-08 at 01:34Resolved meshgrid creation in the loop has been moved out and done once as given below:
QUESTION
How can I have my list of lines return a list of booleans when they intersect a polygon, and as a result, don't show lines that return a True value?
Currently my code draws a line from the origin (0,0) to all the points on the XY cartesian plane. I want to be able to have the lines that intersect with a polygon return a boolean value. This will hopefully allow me to not display lines that return a True value.
i.e. IF Lineintersection == True: Don't display Line ELSE: Display Line
...ANSWER
Answered 2020-Sep-10 at 16:29I guess that you can simplify your code by removing the polygon creation from the two for
loops, for example by creating the polygon before creating the lines (also, note that your are creating it two times in your original code, once in the clip_poly
variable and once ine the polygon
variable).
Then you will be able to call the intersects
method of the geometry objets your are handling (here polygon
and line
).
I simplified your two for
loop in one loop, unpacking directly the x1
and y1
coordinates (and I also moved the plt.scatter
call outside of the loop):
QUESTION
I want to read a python file in R and I am using reticulate package for that.
I have certain packages in python file. Do I have to install them in R env again somehow, for the file to run? And how do I do that? I am getting this error:
...ANSWER
Answered 2020-Sep-03 at 12:45What worked for me was first installing the python customLibrary via the python command line interface.
Second, in my R project folder I specified the python function in a file customLibrary.py which specifies import as first line, such as:
QUESTION
The shell command pip install cartopy
led to several errors.
At first, the following error occurred:
...ANSWER
Answered 2020-Aug-04 at 08:40After searching solutions to the main error message c++: error: unrecognized command line option '-R'
, I finally found it in this discussion.
What I did was searching for the relevant files using the mighty find
method:
QUESTION
I've successfully downloaded the 0.14.0 version of osmnx.
But have this error from output: AttributeError: module 'osmnx' has no attribute 'project_gdf'
...ANSWER
Answered 2020-Jun-26 at 16:10import osmnx as ox
ox.config(use_cache=True, log_console=True)
city = ox.gdf_from_place("Yerevan, Armenia", which_result=2)
city = ox.projection.project_gdf(city)
ax = city.plot()
_ = ax.axis('off')
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Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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