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How can I add a local image on a map in leaflet?

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1

I want to put a local image onto my leaflet map in R like this (I put the image manually in paint):

I tried this based on the example in ?mapview::addLogo:

library(mapview)
library(leaflet)

cities <- read.csv(textConnection("
 City,Lat,Long,Pop
 Boston,42.3601,-71.0589,645966
 Hartford,41.7627,-72.6743,125017
 New York City,40.7127,-74.0059,8406000
 Philadelphia,39.9500,-75.1667,1553000
 Pittsburgh,40.4397,-79.9764,305841
 Providence,41.8236,-71.4222,177994
 "))

img1 <- system.file("img1.png", package = "png")

leaflet(cities) %>%
 addTiles() %>%
 addCircles(lng = ~Long, lat = ~Lat, weight = 1,
 radius = ~sqrt(Pop) * 30, popup = ~City)%>%
 addLogo(img1, src = "local", position = "bottomright", alpha = 0.3)

but it didn't add the image to the map:

r leaflet

share|improve this question

edited Mar 27 at 20:18

divibisan

6,62899 gold badges1818 silver badges3535 bronze badges

asked Mar 25 at 18:15

Lizbeth MontesLizbeth Montes

6355 bronze badges

add a comment | 

1

I want to put a local image onto my leaflet map in R like this (I put the image manually in paint):

I tried this based on the example in ?mapview::addLogo:

library(mapview)
library(leaflet)

cities <- read.csv(textConnection("
 City,Lat,Long,Pop
 Boston,42.3601,-71.0589,645966
 Hartford,41.7627,-72.6743,125017
 New York City,40.7127,-74.0059,8406000
 Philadelphia,39.9500,-75.1667,1553000
 Pittsburgh,40.4397,-79.9764,305841
 Providence,41.8236,-71.4222,177994
 "))

img1 <- system.file("img1.png", package = "png")

leaflet(cities) %>%
 addTiles() %>%
 addCircles(lng = ~Long, lat = ~Lat, weight = 1,
 radius = ~sqrt(Pop) * 30, popup = ~City)%>%
 addLogo(img1, src = "local", position = "bottomright", alpha = 0.3)

but it didn't add the image to the map:

r leaflet

share|improve this question

edited Mar 27 at 20:18

divibisan

6,62899 gold badges1818 silver badges3535 bronze badges

asked Mar 25 at 18:15

Lizbeth MontesLizbeth Montes

6355 bronze badges

add a comment | 

I want to put a local image onto my leaflet map in R like this (I put the image manually in paint):

I tried this based on the example in ?mapview::addLogo:

library(mapview)
library(leaflet)

cities <- read.csv(textConnection("
 City,Lat,Long,Pop
 Boston,42.3601,-71.0589,645966
 Hartford,41.7627,-72.6743,125017
 New York City,40.7127,-74.0059,8406000
 Philadelphia,39.9500,-75.1667,1553000
 Pittsburgh,40.4397,-79.9764,305841
 Providence,41.8236,-71.4222,177994
 "))

img1 <- system.file("img1.png", package = "png")

leaflet(cities) %>%
 addTiles() %>%
 addCircles(lng = ~Long, lat = ~Lat, weight = 1,
 radius = ~sqrt(Pop) * 30, popup = ~City)%>%
 addLogo(img1, src = "local", position = "bottomright", alpha = 0.3)

but it didn't add the image to the map:

r leaflet

share|improve this question

edited Mar 27 at 20:18

divibisan

6,62899 gold badges1818 silver badges3535 bronze badges

asked Mar 25 at 18:15

Lizbeth MontesLizbeth Montes

6355 bronze badges

library(mapview)
library(leaflet)

cities <- read.csv(textConnection("
 City,Lat,Long,Pop
 Boston,42.3601,-71.0589,645966
 Hartford,41.7627,-72.6743,125017
 New York City,40.7127,-74.0059,8406000
 Philadelphia,39.9500,-75.1667,1553000
 Pittsburgh,40.4397,-79.9764,305841
 Providence,41.8236,-71.4222,177994
 "))

img1 <- system.file("img1.png", package = "png")

leaflet(cities) %>%
 addTiles() %>%
 addCircles(lng = ~Long, lat = ~Lat, weight = 1,
 radius = ~sqrt(Pop) * 30, popup = ~City)%>%
 addLogo(img1, src = "local", position = "bottomright", alpha = 0.3)

share|improve this question

edited Mar 27 at 20:18

divibisan

6,62899 gold badges1818 silver badges3535 bronze badges

asked Mar 25 at 18:15

Lizbeth MontesLizbeth Montes

6355 bronze badges

share|improve this question

edited Mar 27 at 20:18

divibisan

6,62899 gold badges1818 silver badges3535 bronze badges

asked Mar 25 at 18:15

Lizbeth MontesLizbeth Montes

6355 bronze badges

edited Mar 27 at 20:18

divibisan

6,62899 gold badges1818 silver badges3535 bronze badges

edited Mar 27 at 20:18

divibisan

6,62899 gold badges1818 silver badges3535 bronze badges

asked Mar 25 at 18:15

Lizbeth MontesLizbeth Montes

6355 bronze badges

asked Mar 25 at 18:15

Lizbeth MontesLizbeth Montes

6355 bronze badges

1 Answer
1

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oldest

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0

You're getting confused (and with good reason, it's a confusing help example) by the example in the help for ?addLogo. All addLogo needs is the path to the image. The call to system.file used in that help example just returns the path to a sample image included in the png package that was used for example purposes. If you already know the path to your image, you can just supply that.

Therefore, assuming that your image is named img1.png and is in the current working directory, you can just do this:

leaflet(cities) %>%
 addTiles() %>%
 addCircles(lng = ~Long, lat = ~Lat, weight = 1,
 radius = ~sqrt(Pop) * 30, popup = ~City)%>%
 addLogo("img1.png", src = "local",position = "bottomright", alpha = 0.3)

share|improve this answer

edited Apr 1 at 17:27

answered Mar 27 at 20:14

divibisandivibisan

6,62899 gold badges1818 silver badges3535 bronze badges

add a comment | 

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0

You're getting confused (and with good reason, it's a confusing help example) by the example in the help for ?addLogo. All addLogo needs is the path to the image. The call to system.file used in that help example just returns the path to a sample image included in the png package that was used for example purposes. If you already know the path to your image, you can just supply that.

Therefore, assuming that your image is named img1.png and is in the current working directory, you can just do this:

leaflet(cities) %>%
 addTiles() %>%
 addCircles(lng = ~Long, lat = ~Lat, weight = 1,
 radius = ~sqrt(Pop) * 30, popup = ~City)%>%
 addLogo("img1.png", src = "local",position = "bottomright", alpha = 0.3)

share|improve this answer

edited Apr 1 at 17:27

answered Mar 27 at 20:14

divibisandivibisan

6,62899 gold badges1818 silver badges3535 bronze badges

add a comment | 

0

You're getting confused (and with good reason, it's a confusing help example) by the example in the help for ?addLogo. All addLogo needs is the path to the image. The call to system.file used in that help example just returns the path to a sample image included in the png package that was used for example purposes. If you already know the path to your image, you can just supply that.

Therefore, assuming that your image is named img1.png and is in the current working directory, you can just do this:

leaflet(cities) %>%
 addTiles() %>%
 addCircles(lng = ~Long, lat = ~Lat, weight = 1,
 radius = ~sqrt(Pop) * 30, popup = ~City)%>%
 addLogo("img1.png", src = "local",position = "bottomright", alpha = 0.3)

share|improve this answer

edited Apr 1 at 17:27

answered Mar 27 at 20:14

divibisandivibisan

6,62899 gold badges1818 silver badges3535 bronze badges

add a comment | 

You're getting confused (and with good reason, it's a confusing help example) by the example in the help for ?addLogo. All addLogo needs is the path to the image. The call to system.file used in that help example just returns the path to a sample image included in the png package that was used for example purposes. If you already know the path to your image, you can just supply that.

Therefore, assuming that your image is named img1.png and is in the current working directory, you can just do this:

leaflet(cities) %>%
 addTiles() %>%
 addCircles(lng = ~Long, lat = ~Lat, weight = 1,
 radius = ~sqrt(Pop) * 30, popup = ~City)%>%
 addLogo("img1.png", src = "local",position = "bottomright", alpha = 0.3)

share|improve this answer

edited Apr 1 at 17:27

answered Mar 27 at 20:14

divibisandivibisan

6,62899 gold badges1818 silver badges3535 bronze badges

leaflet(cities) %>%
 addTiles() %>%
 addCircles(lng = ~Long, lat = ~Lat, weight = 1,
 radius = ~sqrt(Pop) * 30, popup = ~City)%>%
 addLogo("img1.png", src = "local",position = "bottomright", alpha = 0.3)

share|improve this answer

edited Apr 1 at 17:27

answered Mar 27 at 20:14

divibisandivibisan

6,62899 gold badges1818 silver badges3535 bronze badges

answered Mar 27 at 20:14

divibisandivibisan

6,62899 gold badges1818 silver badges3535 bronze badges

answered Mar 27 at 20:14

divibisandivibisan

6,62899 gold badges1818 silver badges3535 bronze badges