Generating Interactive leaflet networks #404
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HI @MunsakaPKM, it looks like you need to load in the water network first before running the code you shared. If that doesn't solve your issue, please share the error you are seeing on your end. |
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Hello! Thank you so much - it worked, although the issue was not related to
loading the network. I was not aware that the interactive leaflet network
was being created in the background and saved on my machine. However, it
was not displaying on its own. I'm not sure if this is something that is to
be expected, or if there is a problem with my code.
…On Mon, Feb 12, 2024 at 8:08 PM Kirk Bonney ***@***.***> wrote:
HI @MunsakaPKM <https://github.com/MunsakaPKM>, it looks like you need to
load in the water network first before running the code you shared.
Try running this line first:
wn = wntr.network.WaterNetworkModel('networks/Net3.inp')
If that doesn't solve your issue, please share the error you are seeing on
your end.
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@MunsakaPKM, glad you were able to resolve the issue. Saving is the expected behavior. |
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I get it, thanks a lot!
…On Wed, Feb 14, 2024, 21:19 Kirk Bonney ***@***.***> wrote:
@MunsakaPKM <https://github.com/MunsakaPKM>, that is the expected
behavior.
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Good Day,
I wanted to bring to your attention an observation I made regarding the
module network.py in the WNTR library. Specifically, I noticed that the
location specifications for the function “plot_leaflet_network” are in the
format [longitude, latitude], which appears to swap the longitude and
latitude values for some different coordinate systems. For instance, in
line 556:
m = folium.Map(location=[center.iloc[1], center.iloc[0]],
zoom_start=zoom_start, tiles='cartodbpositron')
Upon further testing using different known locations, I discovered that
this approach does work with the example location provided in the
documentation, but it leads to some unexpected results in the generated
HTML file with other locations. In some cases, the map does not display the
actual location or, at times, it does not display anything at all. For
example, when using the city of Mutare, with a latitude of -18.9667 and a
longitude of 32.6667, or London [51.5074, -0.1278], the map fails to appear.
However, I found that by reformatting the location specification to
[center.iloc[0], center.iloc[1]], the map is displayed correctly but the
network disappears unless a similar adjustment is made in line 592 for
Nodes locations and lines 611 & 612 for Links (start_loc & end_loc
locations), then everything works well.
Apologies if this behavior is something that is a result of any error I
might have made without realizing. However, after careful examination, I am
confident that the observed discrepancy in the code is not due to any
mistake on my part. I wanted to bring it to your attention and hear from
you.
The above applies to the part about “Interactive leaflet networks” in the
section “‘Graphics’ of the documentation:
wn = wntr.network.WaterNetworkModel('Net3.inp')
longlat_map = {'Lake':(-106.6851, 35.1344), '219': (-106.5073, 35.0713)}
wn2 = wntr.morph.convert_node_coordinates_to_longlat(wn, longlat_map)
length = wn2.query_link_attribute('length')
wntr.graphics.plot_leaflet_network(wn2, link_attribute=length, link_width=3,
link_range=[0,1000],
filename='length.html')
I appreciate your time and efforts in maintaining and improving the WNTR
library.
Best regards,
Prince K. Munsaka
…On Thu, Feb 15, 2024 at 5:51 PM Katherine Klise ***@***.***> wrote:
Closed #404 <#404> as completed.
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@MunsakaPKM, I suspect that this issue has to do with the ordering of the coordinates. WNTR uses (long, lat) as opposed to (lat, long). You can use the |
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Thank you so much! I am happy to report that both of the options you suggested have proven to be successful I appreciate your support
…On Fri, Feb 16, 2024 at 4:41 PM Kirk Bonney ***@***.***> wrote:
@MunsakaPKM <https://github.com/MunsakaPKM>, I suspect that this issue
has to do with the ordering of the coordinates. WNTR uses (long, lat) as
opposed to (lat, long). You can use the
convert_node_coordinates_to_longlat to perform this conversion for you.
Alternatively, if your coordinates are already in (lat, long) you can just
write a for loop that swaps the ordering manually.
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I am struggling with generating leaflet networks, I guess it requires some certain knowledge about folium and UTM that i don't have or maybe a certain environment for running the code. How can I generate this using desktop compiler, I am aware of the example given in the documentation(Graphics) but it is not working for me because I am failing to complete it and make it run. Please help, thank you !
Example
longlat_map = {'Lake':(-106.6851, 35.1344), '219': (-106.5073, 35.0713)}
wn2 = wntr.morph.convert_node_coordinates_to_longlat(wn, longlat_map)
length = wn2.query_link_attribute('length')
wntr.graphics.plot_leaflet_network(wn2, link_attribute=length, link_width=3,
... link_range=[0,1000], filename='length.html')
Environment
[Optional] Provide information on your computing environment.
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