shp.js | Shapefile parser - | Parser library
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Shapefile parser
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QUESTION
At the moment I'm struggling to combine attributes of my markers and polygons on my leaflet map.
In my map I have bavarian government districts with the name of the districs as attribute. And I have 70 markers to show the location of some mountains in these districts, these points are from an csv table I made.
What I wanted to do now is that each point should be assigned the attribute of the corresponding district within it lies. So that the marker popup also shows the name of the district. I don't know whats the easiest way to do this? So I thought about using the turf points within polygon function but I'm not sure how to start.
Map with Marker and Polygons.
The second thing I wanted to do, is to highlight the highest mountain. The mountain with the largest number in the second column. Mountain height.
My table is looking like this: (mountain name;mountain height;area;landscape;lat;long)
Bergname;Berghoehe;Landkreis;Gebirge_Landschaft;Latitude;Longitude
Hesselberg;689;Ansbach;Wörnitztal_Fränkische Alb;49.06861780;10.52610990
Dürrenberg;656; Weißenburg-Gunzenhausen;Hahnenkamm; 49.01647480; 10.76511290
...
I hope someone can help me out here, would be much appreciated :)
ANSWER
Answered 2021-Jan-05 at 15:35You can use turf.booleanContains(district.toGeoJSON(16), marker.toGeoJSON(16))
to check if the marker is in the district and then add the popup.
Add your markers to a FeatureGroup to get it later for the loop
QUESTION
I am new on github. Please provide me a better solution with explanation. I like to add Django files into github. But it shows the following error:
fatal: adding files failed
My code is here: (venv) C:\Users\Tekson\Desktop\geo\basic>git init Initialized empty Git repository in C:/Users/Tekson/Desktop/geo/basic/.git/
...ANSWER
Answered 2019-Mar-25 at 18:08Try finding this file:
data/wifi_network/nodes.shp.DESKTOP-OGJ64C4.10688.10176.sr.lock
and deleting it, and any other files with the ending .lock.
Lockfiles indicate when a file is being written to and are usually deleted once the application that uses the file closes, but sometimes when an application crashes they are not deleted and cause trouble.
QUESTION
I am attempting to use a 3rd party library in my Angular 5 app by configuring global scripts. This question outlines what I am trying to do although I think this might be at Angular 4: Loading third party library with Angular-cli
The library I am trying to use is shpjs, so my scripts property is:
...ANSWER
Answered 2018-May-10 at 19:35It doesnt get added to the index.html
as is.
It gets added in scripts.bundle.js
There will a script tag in index.html
as below,
The shp.js
file will be part of scripts.bundle.js
, Open this file and you can find shp.js
contents.
QUESTION
I have been trying to build a Web Map using the Leaflet. One of the tasks that I was trying to execute was adding a "Shapefile" on the basemap. I get the below error in the console when I try to execute the file.
TypeError: L.Shapefile is not a constructor
I have verified if my shapefile is not corrupt by running it on, http://leaflet.calvinmetcalf.com.
I am not sure where I am going wrong. I would genuinely appreciate some guidance, I am new to JavaScript and Leaflet so I may have missed something obvious.
The code:
...ANSWER
Answered 2017-Sep-18 at 23:46You need to verify that your lealet/shapefile.js
is actually loading, as every problem you have so far is indicating it's not at the path you're specifying. Checking your browser console for 404
errors will verify this.
The "not a constructor" and "not a function" errors have nothing to do with the content of your shapefile. They are both saying the properties on L
, shapefile
and Shapefile
, that your are trying to access, don't exist.
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