Questions tagged [mapview]
The mapview tag has no usage guidance.
mapview
86
questions
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2
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28
views
Display Text over MapView without Redrawing MapView when Overlayed Text Changes
I have a <MapView /> next to some position: absolute Views with Text in them. In the MapView, I have a <Circle /> within it to mark an area within the map. I have information like the user'...
- 11
0
votes
0
answers
32
views
MapView In react native keeps coming up with a web bundling error?
new to all this but im having problems with using MapView in my react native app i keep getting a web bundling failed when i add the import map view, any help will be appreciated here is my code and ...
- 1
0
votes
0
answers
15
views
How to edit the clickable popup in R-Map
I made a map using mapview. When you click on a point on the map, you get a popup with the details of that observation.
However, not all the 8 columns in the popup are relevant to the map's target ...
- 1
0
votes
0
answers
23
views
MapView Marker React Native Expo
Error
Type '{ coordinate: { latitude: number; longitude: number; }; image: { uri: string; }; }' is not assignable to type 'IntrinsicAttributes & IntrinsicClassAttributes & Readonly'.
Property ...
- 1
0
votes
1
answer
33
views
Red bubbles inside a MapView in kivymd
I'm making an application that uses a map, but when I zoom in or zoom out, orange bubbles appear on the map that I don't know how to disable. Also, when I switch to another window, the dots remain.
...
0
votes
0
answers
37
views
Fitting a Long Legend Within Mapview
I like what mapview outputs but can't really use it with with the burst option (seems to make legend interactive and zooms to group on click) as there's no way to adjust the scale of the legend. Is ...
- 1
0
votes
0
answers
24
views
Can I load basemap without center or set view in map initialization
I have the center coming from a different layer, however, that layer is loading slowly so initially you see a blank map container.so, I want the basemap to be visible.
view.map = L.map('map_' + mapId, ...
- 1
0
votes
1
answer
51
views
How to render a mapview output in PDF with knits?
I'm rendering a PDF with mapview. However, the output seems that it was too fast at getting a screenshot of the map and is not rendering it properly.
---
title: "test"
output:
pdf_document:...
- 3,373
2
votes
1
answer
153
views
Combine Multilinestring into one line string to generate regular spaced points using sf
I'm trying to generate random points on a linestring using SF. However, the data is multilinestring and st_line_sample requires linestring. So I'd like to make the multilinestring into only one ...
- 3,373
1
vote
1
answer
103
views
How to show only downloaded map tiles and not the default Apple/Google maps with MapView library in Expo/React-Native
I am displaying a map view in my react native app like this, using the MapView library.
<View style={styles.container}>
<MapView region={region} style={styles.map}>
<UrlTile ...
0
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0
answers
25
views
Change MapView padding (to avoid being hidden under a bottom sheet)
I'm showing a bottom sheet on top of MapView. I want to push the map center, and apply bottom padding to MapView according to bottom sheet height. Any thoughts on how to do that?
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108
views
Cannot navigate to view from mapview calloutAccessoryControlTapped delegate method
When user taps on mapview annotation rightCalloutAccessoryView disclosure button, I want to navigate to another view
struct ProfileMapView: View {
var body: some View {
NavigationView {
...
- 571
0
votes
0
answers
41
views
Argument passed to call that takes no arguments SwiftUI for MapView
I am passing an argument locationPins into MyMapView as a Binding and then again pass locationPins to MapView as another Binding. But when I pass it to MapView as an argument I get error: "...
- 571
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25
views
I'm stuck with kivy's mapmarkerpopup function, can anyone help me?
At the moment I'm having problems displaying a marker to insert on the map although the code from IDE does not give errors of any kind, it displays the map but not the marker.
This is the python code:
...
0
votes
0
answers
64
views
Error while accessing core data inside Mapview SwiftUI
I have MapView working for a single Marker. I want to access core data entity and based on the number of items it consists of, I want to create corresponding number of Markers.
So inside MapView I ...
- 571
1
vote
1
answer
73
views
How to visualize single points in shiny app mapview leaflet
I have a large dataset but I am providing 3 records to make this example reproducible with the minimum amount of data. I am able to show on leaflet all the 3 sites at once but I would like to show one ...
- 1,467
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votes
1
answer
198
views
How to use addStaticLabels with mapview
I am trying to use addStaticLabels with mapview but the outline of the map disapears. Could someone help me figure out what's going on?
If I run:
library(mapview)
library(leafem)
mapview(franconia)
...
- 1,467
0
votes
0
answers
188
views
How to add labels to mapview?
This may be an easy question but for some reason can't figure out how to add labels to each region or polygon in my real map. How can I add the NAME_ASCI names to this map?
library(mapview)
library(...
- 1,467
0
votes
0
answers
55
views
How to create an interactive map of a stars object that has a time dimension?
Problem
I have regular raster data with a time dimension. It comes as a stars object with the dimensions x, y, date.
I want to visualize the stars raster with a timeslider (like this one or similar) - ...
- 2,431
0
votes
0
answers
63
views
Hot to expand an existing shapefile
I got a small shapefile here: https://login.filesanywhere.com/fs/v.aspx?v=8c6d62875b6371b5a3ac . I need to make it a little bigger by adding a border above along the coast and another border in the ...
- 1,467
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votes
1
answer
80
views
How to set an anchor and create polygons from shapefile
I am following up on the example here: How to make small polygons from shapefile and extract coordinates
I am trying to adapt that example to a different shapefile but I am getting errors. The new ...
- 1,467
1
vote
2
answers
227
views
How to make small polygons from shapefile and extract coordinates
I have a small shapefile here: https://login.filesanywhere.com/fs/v.aspx?v=8c6d62865c626fb4a2ab called bay.RDS
library(tmap)
library(leaflet)
library(mapview)
bay <- readRDS('bay.RDS')
mapview(...
- 1,467
-1
votes
1
answer
111
views
How to add circle to the mapview in python kivy
i am trying to add circle to mapview. To a certain position on the map. I'm trying to make the radius in map canvas units. and I want it to be attached to that place even when I move or zoom with the ...
- 1
1
vote
3
answers
1k
views
MapView build: Expose secret google maps api key in app.json, is it safe?
I am building a new react native app with expo which uses google maps (MapView library),
But, deploying a map with Google Maps requires to explecitly add maps api key in app.json as below :
“android”:...
- 361
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votes
0
answers
221
views
R terra cannot create SpatVector from sf MULTILINESTRING if line contains only single point
I have an MULTILINESTRING sf that appears to be ok (see dput below), but when I try and convert it to a SpatVector using pv <- terra::vect(test2) I get the error:
Error: [as,sf] coercion failed. ...
- 563
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votes
0
answers
170
views
My app is working on Expo Go, but apk crashes when I open page with map component
I finished my app and it is working in Expo Go, but when I export apk to test it, it crashes when I open page with map component. I did all instructions from: https://docs.expo.dev/versions/latest/sdk/...
- 11
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votes
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answers
14
views
Click on MapMarker and get widget back
def addMarker(self,lat:float,lon:float,source:str = "default"):
if source == "default":
marker = MapMarker(lat=lat, lon=lon)
else:
marker = ...
0
votes
0
answers
283
views
Setting Custom Map in Kivy MapView
I am trying to write a sort of map app. The app should show the map of a building and show places of interest with a marker. If you were to then click on the marker you would see some information ...
- 21
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votes
0
answers
118
views
Map canada 6 digit zip codes on Looker
Trying to visualize 6 digit zip codes of Canada on a map chart. But Looker is only supporting 3 digit zip codes to be mapped on the map.
How to map a zip code like P0W 1L0 on Looker maps?
Looker is ...
- 1,574
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votes
0
answers
43
views
Using mapview and colouring all the labels a different colour depending on the genus they are in
I am making a map in R using mapview. I want to be able to change the colours of the points so that each Genus has its own colour as opposed to them all being the same. How can I do this?
My code is ...
0
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0
answers
206
views
MapViewDirections rerendering issue
ok so i have a page in react native that has a mapview and i am displaying the current location of the user and the destination of the user, at first the user's position on the map didn't move if the ...
- 481
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votes
1
answer
48
views
Stacking Different View in React-Native Failed
I am attempting to implement a page in react-native with a Map component on the botton, and I am also trying to put a overlapping scroll view on top of the Map view without influencing the ...
1
vote
1
answer
113
views
manually fixing colors in the map
The data is:
d.fit.spatial.1914 <- structure(list(country = c("Albania", "Austria", "Belgium", "Netherlands",
"Poland", &...
- 177
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votes
1
answer
82
views
How can I replace the standard marker with canvas circles on MapView in Kivy?
I want to replace the standard marker of the MapMarkerPopup with a transparent pixel image. Instead I want to draw circles which are shown on the coordinates loaded from a CSV file (in this example ...
- 5
1
vote
1
answer
56
views
Why tmap invokes R device in t_map_mode("view")
I am trying tmap for the first time and while making some maps on "view" mode the R graphics device pops up everytime I attempt to make an interactive plot. For instance:
library(tmap)
...
- 1,467
0
votes
1
answer
204
views
Placing a mapmarker by klick results in setting the marker on acorner of the map-window
I want to set markers on the map by clicking on it. When I click a marker is set. However, the marker is placed on the left lower corner of the map. What am I doing wrong?
from kivymd.app import MDApp
...
- 5
0
votes
2
answers
157
views
subset raster to separate two classes
I have a raster that is too large to post here but can be downloaded from here: https://login.filesanywhere.com/fs/v.aspx?v=8c6c688b586472bcab6a . When I plot it I see a mix of water and land. I would ...
- 1,467
0
votes
1
answer
368
views
Add the names of the polygons all the time in Mapview R?
I am using mapview in R to plot maps. I have more tha 100 polygons and I want to show them on the map with the names on it every time. But I couldn’t find a solution to this issue. Any idea?
mp<-...
0
votes
1
answer
101
views
ERROR Warning: React.createElement: type is invalid -- expected a string (for built-in components) or a class/function (for composite components)
I'm trying to test the Geojson library but I'm stuck on this error.
I am sent below my app.js and package.json codes that was copied from this repository.
App.js
import React from 'react';
import ...
1
vote
0
answers
153
views
Android app crashes while loading an arcGIS map
I'm creating an android app, and I just want to load a map from my arcGIS online.
Here's the MainActivity class:
public class MainActivity extends AppCompatActivity {
private MapView mMapView;
...
- 11
0
votes
1
answer
391
views
Map view function in R to add two shapefiles
What i am doing:
I have two set of data sets one is Shapefile at county level for china and other is csv file which has some value against most of the county. I performed join between these two to ...
- 65
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votes
1
answer
247
views
How can I plot a map using ggplot2 that includes the latitude and longitude of the data?
I have data that includes the longitude and latitude of certain locations in Arizona however its over 9000 observations and ggplot2 keeps giving me "Error in st_as_sf.data.frame(data, coords = c(...
0
votes
1
answer
104
views
MapView zoom causes the map to be obscured
I have a problem with the python mapview library: kivy_garden.mapview: if I insert the zoom in the variable map = MapView(zoom=7) the map is completely obscured by a blue color as below you can see ...
0
votes
1
answer
295
views
How to change latitude/longitude delta mapview expo react native
WHen i open my react native expo app my mapview is on my location:
initialRegion={{
latitude: Number(userProfil.latitude),
longitude: Number(userProfil.longitude),
...
- 117
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votes
1
answer
258
views
MapView does not show user current location
I was trying to display my current location into a Swiftui MapView. To do so, I created the following class:
import SwiftUI
import CoreLocation
import Combine
class LocationManager: NSObject, ...
- 113
2
votes
1
answer
912
views
SwiftUI Map: How to convert screen coordinates to map coordinates?
Setup:
I am converting an app to SwiftUI. This app had an MKMapView with annotations that could be dragged on the map.
I was able to write a first version of the SwiftUI app with a draggable image.
It ...
- 14.8k
1
vote
1
answer
231
views
Map annotations only appear after map is moved
I have a map which loads annotations from the Google API, when the map initially loads all the annotations they are 'placed' as seen through the print in the console, however they won't show up on the ...
- 432
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43
views
how can ı do Value of type double if null
@IBAction func addLocation(_ sender: UIButton) {
//eklenen konumu ve verilerini kaydetme
if nameText.text == ""{
makeAlert(tıtleInput: "Error", ...
1
vote
1
answer
187
views
What goes in: viewRef: MapViewNativeComponentType when using React Native Maps in .current.fitToSuppliedMarkers
useEffect(() => {
if(!origin || !destination) return;
mapRef.current.fitToSuppliedMarkers(["origin", "destination"], {
edgePadding: { top: 50, right: 50, bottom: 50, left: 50}...
- 11
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votes
0
answers
184
views
How to create an interactive map of stars/raster object with arbitrary crs?
Problem
I would like to create interactive maps of a regular grid that comes in a CRS which is not WGS84. In my case the CRS is EPSG:25833 which has unit metres.
Given the comment here, it does not ...
- 2,431