這篇文章主要介紹“l(fā)eaflet怎么構(gòu)造路徑圖”,在日常操作中,相信很多人在leaflet怎么構(gòu)造路徑圖問題上存在疑惑,小編查閱了各式資料,整理出簡(jiǎn)單好用的操作方法,希望對(duì)大家解答”leaflet怎么構(gòu)造路徑圖”的疑惑有所幫助!接下來,請(qǐng)跟著小編一起來學(xué)習(xí)吧!
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library(leaflet)
library(dplyr)
data<-read.table("D:/R/File/subwayline.txt",header=TRUE,stringsAsFactors = FALSE)
data$Type<-as.factor(data$Type)
data1<-filter(data,Type=="NO1")
data2<-filter(data,Type=="NO5")

以上我用百度地圖的坐標(biāo)拾取平臺(tái)采點(diǎn)拾取的背景地鐵一號(hào)線和五號(hào)線的車站地理位置信息,(因?yàn)闆]有現(xiàn)成的數(shù)據(jù),只能手工采點(diǎn),可能不是很準(zhǔn)確)
今天要介紹的leaflet類型是線條,也即addPolylines函數(shù),其基本語法如下:
addPolylines(map, lng = NULL,lat = NULL, #指定數(shù)據(jù)源并做經(jīng)緯度聲明
layerId = NULL,
group = NULL, #圖層分組(制作動(dòng)態(tài)可見性交互時(shí)使用)
stroke = TRUE, #是否呈現(xiàn)路徑線
color = "#03F",weight = 5,opacity = 0.5, #關(guān)于線條的顏色、寬度、透明度
fill = FALSE, fillColor = color, fillOpacity = 0.2,
dashArray = NULL, smoothFactor = 1, noClip = FALSE, #線型參數(shù),平滑度等
popup = NULL, options = pathOptions(), data = getMapData(map)) #彈窗、選項(xiàng)控制
以下構(gòu)造色盤:
pal <- colorFactor(topo.colors(2),data$Type)
作圖函數(shù):使用默認(rèn)點(diǎn)標(biāo)識(shí)
leaflet()%>%
addTiles()%>%
addPolylines(data=data1,~lon,~lat,color="blue")%>%
addPolylines(data=data2,~lon,~lat,color="green")%>%
addMarkers(data=data,~lon, ~lat,popup = ~address)

使用可自定義的圓點(diǎn)標(biāo)識(shí)車站位置
leaflet()%>%
addTiles()%>%
addPolylines(data=data1,~lon,~lat,color="blue")%>%
addPolylines(data=data2,~lon,~lat,color="green")%>%
addCircles(data=data,~lon, ~lat,popup = ~address,color="red")

leaflet()%>%
addTiles()%>%
addPolylines(data=data1,~lon,~lat,color="blue")%>%
addPolylines(data=data2,~lon,~lat,color="green")%>%
addCircleMarkers(data=data,~lon, ~lat,popup = ~address,color=~Type)

以下是幾種比較常用的地圖背景素材
addProviderTiles("Esri.WorldStreetMap")
addProviderTiles("Esri.WorldImagery")
addProviderTiles("Esri.WorldTerrain")
addProviderTiles("Esri.NatGeoWorldMap")
leaflet()%>%
addProviderTiles("Esri.WorldStreetMap")%>%
addPolylines(data=data1,~lon,~lat,color="blue")%>%
addPolylines(data=data2,~lon,~lat,color="green")%>%
addCircles(data=data,~lon, ~lat,popup = ~address,color=~Type)

leaflet()%>%
addProviderTiles("Esri.WorldImagery")%>%
addPolylines(data=data1,~lon,~lat,color="blue")%>%
addPolylines(data=data2,~lon,~lat,color="green")%>%
addCircles(data=data,~lon, ~lat,popup = ~address,color=~Type)

leaflet()%>%
addProviderTiles("Esri.WorldGrayCanvas") %>%
addPolylines(data=data1,~lon,~lat,color="blue")%>%
addPolylines(data=data2,~lon,~lat,color="green")%>%
addCircles(data=data,~lon, ~lat,popup = ~address,color=~Type)

leaflet()%>%
addProviderTiles("Esri.NatGeoWorldMap") %>%
addPolylines(data=data1,~lon,~lat,color="blue")%>%
addPolylines(data=data2,~lon,~lat,color="green")%>%
addCircles(data=data,~lon, ~lat,popup = ~address,color=~Type)

是不是覺得花樣不夠多呀,那好吧,以下這些,全部都送給你,那好不謝!
###############################
# OpenStreetMap.Mapnik
# OpenStreetMap.BlackAndWhite
# OpenStreetMap.DE
# OpenStreetMap.France
# OpenStreetMap.HOT
# OpenTopoMap
# Thunderforest.OpenCycleMap
# Thunderforest.Transport
# Thunderforest.TransportDark
# Thunderforest.SpinalMap
# Thunderforest.Landscape
# Thunderforest.Outdoors
# Thunderforest.Pioneer
# OpenMapSurfer.Roads
# OpenMapSurfer.Grayscale
# Hydda.Full
# Stamen.Toner
# Stamen.TonerBackground
# Stamen.TonerLite
# Stamen.Watercolor
# Stamen.Terrain
# Stamen.TerrainBackground
# Stamen.TopOSMRelief
# Esri.WorldStreetMap
# Esri.DeLorme
# Esri.WorldTopoMap
# Esri.WorldImagery
# Esri.WorldTerrain
# Esri.WorldShadedRelief
# Esri.WorldPhysical
# Esri.OceanBasemap
# Esri.NatGeoWorldMap
# Esri.WorldGrayCanvas
# MtbMap
# CartoDB.Positron
# CartoDB.PositronNoLabels
# CartoDB.PositronOnlyLabels
# CartoDB.DarkMatter
# CartoDB.DarkMatterNoLabels
# CartoDB.DarkMatterOnlyLabels
# HikeBike.HikeBike
# HikeBike.HillShading
# NASAGIBS.ModisTerraTrueColorCR
# NASAGIBS.ModisTerraBands367CR
# NASAGIBS.ViirsEarthAtNight2012
# NASAGIBS.ModisTerraLSTDay
# NASAGIBS.ModisTerraSnowCover
# NASAGIBS.ModisTerraAOD
# NASAGIBS.ModisTerraChlorophyll
到此,關(guān)于“l(fā)eaflet怎么構(gòu)造路徑圖”的學(xué)習(xí)就結(jié)束了,希望能夠解決大家的疑惑。理論與實(shí)踐的搭配能更好的幫助大家學(xué)習(xí),快去試試吧!若想繼續(xù)學(xué)習(xí)更多相關(guān)知識(shí),請(qǐng)繼續(xù)關(guān)注創(chuàng)新互聯(lián)網(wǎng)站,小編會(huì)繼續(xù)努力為大家?guī)砀鄬?shí)用的文章!
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