Nothing
R/plotGoogleMaps.R
In plotGoogleMaps: Plot Spatial or Spatio-Temporal Data Over Google Maps
plotGoogleMaps <-
function(SP,
filename="",
zcol=1,
at=NULL,
add=FALSE,
previousMap=NULL,
colPalette=NULL,
strokeColor="",
strokeOpacity=1,
fillOpacity=0.7,
strokeWeight=1,
geodesic=TRUE,
clickable=TRUE,
draggableMarker=FALSE,
iconMarker="",
flat=TRUE,
visible=TRUE,
zIndex="null",
map.width="100%",
map.height="100%",
layerName="",
control.width="100%",
control.height="100%",
zoom=15,
fitBounds=TRUE,
mapTypeId = "HYBRID",
disableDoubleClickZoom =FALSE,
draggable= TRUE ,
keyboardShortcuts=TRUE,
mapTypeControlOptions='DEFAULT',
navigationControl=TRUE,
navigationControlOptions='DEFAULT',
scaleControlOptions= 'STANDARD',
noClear=FALSE,
scrollwheel =TRUE ,
streetViewControl= FALSE,
legend=TRUE,
control=TRUE,
InfoWindowControl=list(map=map, event="click",position="event.latLng",
disableAutoPan=FALSE, maxWidth=330,pixelOffset="null",
zIndex="null") ,
map="map",
mapCanvas="map_canvas",
css = "",
api="https://maps.google.com/maps/api/js?sensor=false&v=3.18",
openMap= TRUE
){
################################ plotGoogleMaps ###############################
###############################################################################
###############################################################################
# wd=getwd()
nameOfSP<-sapply(as.list(substitute({SP})[-1]), deparse)
nameOfSP<-gsub("\\s","", nameOfSP)
nameOfSP<-gsub('[!,",#,$,%,&,(,),*,+,-,.,/,:,;,<,=,>,?,@,_,^,`,|,~]', "x", nameOfSP)
nameOfSP<-gsub('[[]', "X", nameOfSP)
nameOfSP<-gsub('[]]', "X", nameOfSP)
temporary = FALSE
if(filename==""){
filename <- tempfile("map", fileext = c(".html"))
temporary = TRUE
}
if(class(SP)[1]=="RasterLayer"){
SP<- projectRaster( SP , crs=CRS("+proj=longlat +datum=WGS84"))
SP <- as(SP , 'SpatialGridDataFrame')
SP.ll <- SP
}
if ((class(SP)[1]=="SpatialPixelsDataFrame" || class(SP)[1]=="SpatialGridDataFrame" ) ){
r <- raster(SP, layer=zcol)
SP<- projectRaster( r , crs=CRS("+proj=longlat +datum=WGS84"))
SP <- as(SP , 'SpatialGridDataFrame')
SP.ll <- SP
} else{
SP.ll <- spTransform(SP, CRS("+proj=longlat +datum=WGS84"))
}
disableDefaultUI=FALSE
Centar=c(mean(SP.ll@bbox[1,]),mean(SP.ll@bbox[2,]))
sw<-c(SP.ll@bbox[2,1],SP.ll@bbox[1,1])
ne<-c(SP.ll@bbox[2,2],SP.ll@bbox[1,2])
if(any('data'==slotNames(SP)) ){
attribute=SP@data[,zcol]
for(i in 1:length(SP.ll@data)) {
if( identical(attribute,SP.ll@data[,i])){
attributeName<-names(SP.ll@data)[i] }
}
}
if(class(SP.ll)[1]=="SpatialPointsDataFrame"){
if(length(iconMarker)<length(SP.ll@coords[,1]) ) {
iconMarker=iconlabels(attribute,colPalette,at,height=10,icon=TRUE,scale=0.6) }else{
iconMarker=iconMarker[1:length(SP.ll@coords[,1])] }
# warning("iconMarker length is exceeded number of points")
}
if(class(SP.ll)[1]=="SpatialPoints"){
if(length(iconMarker)<length(SP.ll@coords[,1]) ) {
iconMarker=iconlabels(rep(iconMarker[1],length(SP.ll@coords[,1]) ),colPalette,at,height=10,icon=TRUE,scale=0.6) }else{
iconMarker=iconMarker[1:length(SP.ll@coords[,1])] }
# warning("iconMarker length is exceeded number of points")
}
if(layerName==""){
layerName=nameOfSP}
if(strokeColor!=""){
rgbc<-col2rgb(strokeColor)
strokeColor<-rgb(rgbc[1],rgbc[2],rgbc[3],maxColorValue=255) }
if(!is.null(colPalette)){
rgbc<-col2rgb(colPalette)
colPalette<-apply(rgbc,2,function(x) rgb(x[1],x[2],x[3],maxColorValue=255))}
if (!is.list(previousMap)) {
functions<-""
# Creating functions for checkbox comtrol, Show , Hide and Toggle control
# Set of JavaScript functionalities
funs ='function showR(R,boxname, map) {
R.setMap(map);
document.getElementById(boxname).checked = true; }
function hideR(R,boxname) {
R.setMap(null);
document.getElementById(boxname).checked = false; }
function showO(MLPArray,boxname, map ) {
for (var i = 0; i < MLPArray.length; i++) {
MLPArray[i].setMap(map); }
document.getElementById(boxname).checked = true; }
function hideO(MLPArray,boxname) {
for (var i = 0; i < MLPArray.length; i++) {
MLPArray[i].setMap(null);}
document.getElementById(boxname).checked = false; }
function boxclick(box,MLPArray,boxname, map) {
if (box.checked) { showO(MLPArray,boxname, map);
}else { hideO(MLPArray,boxname);} }
function setOpac(MLPArray,textname){
opacity=0.01*parseInt(document.getElementById(textname).value)
for(var i = 0; i < MLPArray.length; i++) {
MLPArray[i].setOptions({strokeOpacity: opacity, fillOpacity: opacity}); }}
function setOpacL(MLPArray,textname) {
opacity=0.01*parseInt(document.getElementById(textname).value)
for (var i = 0; i < MLPArray.length; i++) {
MLPArray[i].setOptions({strokeOpacity: opacity});}}
function setLineWeight(MLPArray,textnameW){
weight=parseInt(document.getElementById(textnameW).value)
for (var i = 0; i < MLPArray.length; i++){
MLPArray[i].setOptions({strokeWeight: weight}); } }
function legendDisplay(box,divLegendImage){
element = document.getElementById(divLegendImage).style;
if (box.checked){ element.display="block";} else { element.display="none";}}
function boxclickR(box,R,boxname, map) {
if (box.checked){
showR(R,boxname,map); } else { hideR(R,boxname);} }
function legendDisplay(box,divLegendImage){
element = document.getElementById(divLegendImage).style;
if (box.checked){ element.display="block";} else { element.display="none";}} \n '
functions<-paste(functions,funs,sep="")
init<-createInitialization(SP.ll,
add=T,
name=map,
divname=mapCanvas,
zoom=zoom,
fitBounds=fitBounds,
mapTypeId = mapTypeId,
disableDefaultUI=disableDefaultUI,
disableDoubleClickZoom =disableDoubleClickZoom,
draggable= draggable ,
keyboardShortcuts=keyboardShortcuts,
mapTypeControlOptions=mapTypeControlOptions,
scaleControlOptions=scaleControlOptions,
navigationControl=navigationControl,
navigationControlOptions=navigationControlOptions,
noClear=noClear,
scrollwheel =scrollwheel ,
streetViewControl= streetViewControl)
# Put all functions together
functions<-paste( functions,init, sep="") }else{ functions<- previousMap$functions}
fjs=""
fjs<-paste(fjs,'\n USGSOverlay.prototype = new google.maps.OverlayView(); \n',sep="")
fjs<-paste(fjs,'function USGSOverlay(bounds, image, map) {\n this.bounds_ = bounds;\n this.image_ = image;\n this.map_ = map;\n this.div_ = null;\n this.setMap(map); }\n',sep="")
fjs<-paste(fjs, 'USGSOverlay.prototype.onAdd = function() {\n var div = document.createElement("DIV");\n div.style.border = "none";\n div.style.borderWidth = "0px";\n div.style.position = "absolute";\n var img = document.createElement("img");\n img.src = this.image_;\n img.style.width = "100%";\n img.style.height = "100%";\n div.appendChild(img);\n this.div_ = div;\n this.div_.style.opacity = ',fillOpacity,';\n var panes = this.getPanes();\n panes.overlayImage.appendChild(this.div_);}\n' ,sep="")
fjs<-paste(fjs,'USGSOverlay.prototype.draw = function() {\n var overlayProjection = this.getProjection();\n var sw = overlayProjection.fromLatLngToDivPixel(this.bounds_.getSouthWest());\n var ne = overlayProjection.fromLatLngToDivPixel(this.bounds_.getNorthEast());\n var div = this.div_;\n div.style.left = sw.x + "px";\n div.style.top = ne.y + "px";\n div.style.width = (ne.x - sw.x) + "px";\n div.style.height = (sw.y - ne.y) + "px";} \n' ,sep="")
fjs<-paste(fjs,'USGSOverlay.prototype.onRemove = function() { \n this.div_.parentNode.removeChild(this.div_);} \n' ,sep="")
fjs<-paste(fjs,'USGSOverlay.prototype.hide = function() { if (this.div_) { this.div_.style.visibility = "hidden";} } \n' ,sep="")
fjs<-paste(fjs,'USGSOverlay.prototype.show = function() {if (this.div_) { this.div_.style.visibility = "visible";}} \n' ,sep="")
fjs<-paste(fjs,' USGSOverlay.prototype.toggle = function() { \n if (this.div_) { \n if (this.div_.style.visibility == "hidden") { \n this.show(); \n } else { \n this.hide(); } } } \n' ,sep="")
fjs<-paste(fjs,' USGSOverlay.prototype.toggleDOM = function() {\n if (this.getMap()) {\n this.setMap(null);\n } else {\n this.setMap(this.map_);}}\n' ,sep="")
fjs<-paste(fjs,' function setOpacR(Raster,textname) { \n opac=0.01*parseInt(document.getElementById(textname).value) \n Raster.div_.style.opacity= opac } \n' ,sep="")
if(map.width!=control.width & css==""){
css= paste('\n #',mapCanvas,' { float: left;
width:', map.width,';
height:' , map.height,'; }
\n #cBoxes {float: left;
width:', control.width,';
height: ', control.height,';
overflow:auto} \n', sep='')
}else if (css==""){
css=paste(' #',mapCanvas,' {min-height: 100%;height:auto; } \n #cBoxes {position:absolute;right:5px; top:50px; background:white}',sep='')
}
starthtm=paste('<!DOCTYPE html> \n <html> \n <head> \n <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta charset="utf-8"> \n <style type="text/css"> \n html { height: 100% ; font-size: small} \n body { height: 100%; margin: 0px; padding: 0px }
',css,'
</style> \n
<script type="text/javascript" src="',api,'"> </script> \n
<script language="javascript"> \n ',sep='')
starthtm<-paste(starthtm, fjs)
################################################################################
randNum = sample(1:10000, 1)
if (class(SP)[1]=="SpatialPoints"){
pointsName<-paste('markers',nameOfSP,randNum, sep="")
# Create chechk box name for checkbox control
boxname<-paste(pointsName,'box',sep="")
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' var marker \n var ', map,' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',pointsName,'=[] ;')
var1=""
var1<- paste( sapply(as.list(1:length(SP.ll@coords[,1])), function(i) paste(var1,createMarker(SP.ll@coords[i,],
title=paste(nameOfSP,
' NO: ',as.character(i),sep=""),
clickable=clickable,
draggable=draggableMarker,
flat=flat,
visible=visible,
map=map,
icon=iconMarker[i],
zIndex=zIndex),'\n',sep="")
)
,pointsName,'.push(marker); \n',sep="",collapse='\n')
# Put all variables together
var<-paste(var,var1)
functions<-paste(functions,'showO(',pointsName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n
<div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<input type="checkbox" id="',boxname,
'" onClick=\'boxclick(this,',pointsName,',"',boxname,'",',map,');\' /> <b>', layerName ,'<b> <hr/>',sep="")
}
}
else if (class(SP)[1]=="SpatialPointsDataFrame") {
pointsName<-paste('markers',nameOfSP,randNum, sep="")
# Create chechk box name for checkbox control
boxname<-paste(pointsName,'box',sep="")
att<-rep(NA,.5*length(slot(SP.ll,"coords")))
att1=""
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' var marker \n var ',map,' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',pointsName,'=[] ;')
var1=""
k = 1:length(names(SP.ll@data))
att<- paste ( lapply(as.list(1:length(SP.ll@coords[,1])), function(i) paste(names(SP.ll@data)[k],':',sapply(k ,function(k) as.character(SP.ll@data[i,k])) ,'\\r',
collapse="") ) )
var1<- paste( sapply(as.list(1:length(SP.ll@coords[,1])), function(i) paste(var1,createMarker(SP.ll@coords[i,],
title=paste(att[i],sep=""),
clickable=clickable,
draggable=draggableMarker,
flat=flat,
map=map,
visible=visible,
icon=iconMarker[i],
zIndex=zIndex),'\n',sep="")
)
,pointsName,'.push(marker); \n',sep="",collapse='\n')
att<- paste ( lapply(as.list(1:length(SP.ll@coords[,1])), function(i) paste(names(SP.ll@data)[k],':',sapply(k ,function(k) as.character(SP.ll@data[i,k]))
,'<br>', collapse="") ) )
var<-paste(var,var1)
infW<-""
infW<- paste ( lapply(as.list(1:length(SP.ll@coords[,1])), function(i)
paste(infW,createInfoWindowEventM(Marker=paste(pointsName,'[',i-1,'] ',sep=""),
content=att[i],
map=InfoWindowControl$map,
event=InfoWindowControl$event,
position= InfoWindowControl$position,
disableAutoPan = InfoWindowControl$disableAutoPan,
maxWidth=InfoWindowControl$maxWidth,
pixelOffset=InfoWindowControl$pixelOffset,
zIndex=InfoWindowControl$zIndex
),' \n') ) ,collapse='\n' )
functions<-paste(functions,infW,'showO(',pointsName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<input type="checkbox" id="',boxname,'" onClick=\'boxclick(this,',pointsName,',"',boxname,'",',map,');\' /> <b>', layerName ,'<b> <hr />',sep="")
}
if(legend){
divLegendImage<-tempfile("Legend")
divLegendImage<-substr(divLegendImage, start=regexpr("Legend",divLegendImage),stop=nchar(divLegendImage))
legendboxname<-paste('box',divLegendImage,sep="")
cxx<-PolyCol(attribute,colPalette,at=at)
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
endhtm<- paste(endhtm,' \n <table> <tr> <td> <input type="checkbox" checked="checked" id="'
,legendboxname,'" onClick=\'legendDisplay(this,"',
divLegendImage,'");\' /> LEGEND </td> </tr> <tr> <td>',
attributeName,'</td> </tr>
<tr> <td> <div style="display:block;" id="',
divLegendImage,'"> <img src="',divLegendImage,
'.png" alt="Legend" height="70%"> </div>
</td> </tr> \n </table> \n <hr> \n',sep="")
}else{endhtm<- paste(endhtm, '</tr> \n </table> \n <hr> \n')}
}
else if (class(SP)[1]=="SpatialLines"){
lineName<-paste('line',nameOfSP,randNum, sep="")
boxname<-paste(lineName,'box',sep="")
textname<- paste(lineName,'text',sep="")
textnameW<-paste(lineName,'W',sep="")
attribute=seq(1,length(SP.ll@lines))
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' \n var', map, ' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',lineName,'=[] ; \n')
var1=""
if(length(colPalette)==length(SP.ll@lines)){
xx<- colPalette}else{
cxx<-PolyCol(1:SP.ll@lines,colPalette,at=at)
xx<- cxx$cols
}
var1<- paste( lapply(as.list(1:length(SP.ll@lines)), function(i) paste(var1,createLine(SP.ll@lines[[i]],
strokeColor=xx[i],
strokeOpacity=strokeOpacity,
strokeWeight=strokeWeight,
geodesic=geodesic,
clickable=clickable,
map=map,
zIndex=zIndex),'\n',sep="")
)
,lineName,'.push(line); \n',sep="",collapse='\n')
# Put all variables together
var<-paste(var,var1)
functions<-paste(functions,'showO(',lineName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td> <input type="checkbox" id="',boxname,'" onClick=\'boxclick(this,',lineName,',"',boxname,'",',map,');\' /> ', layerName ,' </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',textname,'" value="100" onChange=\'setOpacL(',lineName,',"',textname,'")\' size=3 /> Opacity (0-100 %) </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',textnameW,'" value="1" onChange=\'setLineWeight(',lineName,',"',textnameW,'")\' size=3 /> Line weight (px) </td> </tr> </table> \n',sep="")
}
}
else if (class(SP)[1]=="SpatialLinesDataFrame") {
lineName<-paste('line',nameOfSP,randNum, sep="")
boxname<-paste(lineName,'box',sep="")
textname<- paste(lineName,'text',sep="")
textnameW<-paste(lineName,'W',sep="")
att<-rep(NA,length(slot(SP.ll,"lines")))
att1=""
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' \n var ',map,' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',lineName,'=[] ; \n')
var1=""
cxx<-PolyCol(attribute,colPalette,at=at)
xx<- cxx$cols
if(length(strokeWeight)==length(attribute)){
swxx=strokeWeight
}else{swxx<-weightATR(attribute,strokeWeight)}
if(length(attribute)==length(colPalette)){xx= colPalette}
var1<- paste( sapply(1:length(SP.ll@lines), function(i) paste(var1,createLine(SP.ll@lines[[i]],
strokeColor=xx[i] ,
strokeOpacity=strokeOpacity,
strokeWeight=swxx[i],
geodesic=geodesic,
clickable=clickable,
zIndex=zIndex ),'\n',sep="")
)
,lineName,'.push(line); \n',sep="",collapse='\n')
k = 1:length(names(SP.ll@data))
att<- paste ( lapply(as.list(1:length(SP.ll@lines)), function(i) paste(names(SP.ll@data),':',
sapply(k ,function(k) as.character(SP.ll@data[i,k])),'<br>', collapse="") ) )
# Put all variables together
var<-paste(var,var1)
infW<-""
infW<- paste ( lapply(as.list(1:length(SP.ll@lines)), function(i)
paste(infW,createInfoWindowEvent(Line_or_Polygon=paste(lineName,'[',i-1,'] ',sep=""),
content=att[i],
map=InfoWindowControl$map,
event=InfoWindowControl$event,
position= InfoWindowControl$position,
disableAutoPan = InfoWindowControl$disableAutoPan,
maxWidth=InfoWindowControl$maxWidth,
pixelOffset=InfoWindowControl$pixelOffset,
zIndex=InfoWindowControl$zIndex),
' \n') ) ,collapse='\n' )
functions<-paste(functions,infW,'showO(',lineName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td>
<input type="checkbox" id="',boxname,'"
onClick=\'boxclick(this,',lineName,',"',
boxname,'",',map,');\' /> <b> </tr>', layerName ,
'<b> </td> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',
textname,'" value="100" onChange=\'setOpacL(',
lineName,',"',textname,'")\' size=3 />
Opacity (0-100 %) </td> </tr>\n',sep="")
endhtm<- paste(endhtm,'<tr> \n <td> \n <input type="text" id="',
textnameW,'" value="1" onChange=\'setLineWeight(',
lineName,',"',textnameW,'")\' size=3 />
Line weight (pixels) </td> </tr> \n',sep="")
}
if(legend){
divLegendImage<-tempfile("Legend")
divLegendImage<-substr(divLegendImage, start=regexpr("Legend",divLegendImage),stop=nchar(divLegendImage))
legendboxname<-paste('box',divLegendImage,sep="")
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
endhtm<- paste(endhtm,' \n <tr> <td> <input type="checkbox" checked="checked" id="'
,legendboxname,'" onClick=\'legendDisplay(this,"',
divLegendImage,'");\' /> LEGEND </td> </tr> <tr> <td>',
attributeName,'</td> </tr> \n
<tr> <td> <div style="display:block;" id="',
divLegendImage,'"> <img src="',divLegendImage,
'.png" alt="Legend" height="70%"> </div>
</td> </tr> \n </table> \n <hr> \n',sep="")
}else{endhtm<- paste(endhtm, '</tr> \n </table> \n <hr> \n')}
}
else if (class(SP)[1]=="SpatialPolygons") {
polyName<-paste('poly',nameOfSP,randNum, sep="")
boxname<-paste(polyName,'box',sep="")
textname<- paste(polyName,'text',sep="")
textnameW<-paste(polyName,'W',sep="")
attribute=seq(1,length(SP.ll@polygons))
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<- paste(' \n var', map, ' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',polyName,'=[] ; \n')
var1=""
if(length(colPalette)==length(SP.ll@polygons)){
xx<- colPalette}else{
cxx<-PolyCol(1:length(SP.ll@polygons),colPalette,at=at)
xx<- cxx$cols
}
if(length(strokeWeight)==length(SP.ll@polygons)){
swxx=strokeWeight
}else{swxx=rep(strokeWeight,length(SP.ll@polygons)) }
var1<- paste( lapply(as.list(1:length(SP.ll@polygons)), function(i) paste(var1,createPolygon(SP.ll@polygons[[i]],
fillColor=xx[i],
strokeColor=strokeColor,
strokeOpacity=strokeOpacity,
strokeWeight=swxx[i],
geodesic=geodesic,
map=map,
clickable=clickable,
fillOpacity=fillOpacity,
zIndex=zIndex),'\n',sep="")
)
,polyName,'.push(polygon); \n',sep="",collapse='\n')
# Put all variables together
var<-paste(var,var1)
functions<-paste(functions,'\n showO(',polyName,',"',boxname,'",',map,'); \n',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td> <input
type="checkbox" id="',boxname,'" onClick=\'boxclick(this,',
polyName,',"',boxname,'",',map,');\' /> ',
layerName ,' </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',
textname,'" value="50" onChange=\'setOpac(',
polyName,',"',textname,'")\' size=3 />
Opacity (0-100 %) </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" checked="checked" id="',
textnameW,'" value="1" onChange=\'setLineWeight(',
polyName,',"',textnameW,'")\' size=3 /> Line weight
(pixels) </td> </tr> \n </table> \n',sep="")
}
}
else if (class(SP)[1]=="SpatialPolygonsDataFrame") {
polyName<-paste('poly',nameOfSP,randNum, sep="")
boxname<-paste(polyName,'box',sep="")
textname<- paste(polyName,'text',sep="")
textnameW<-paste(polyName,'W',sep="")
att<-rep(NA,length(slot(SP.ll,"polygons")))
att1=""
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<- paste(' \n var', map, ' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',polyName,'=[] ; \n')
var1=""
cxx<-PolyCol(attribute,colPalette,at=at)
xx<- cxx$cols
if(length(attribute)==length(colPalette)){xx= colPalette}
if(length(strokeWeight)==length(SP.ll@polygons)){
swxx=strokeWeight
}else{swxx=rep(strokeWeight,length(SP.ll@polygons)) }
var1<- paste( lapply(as.list(1:length(SP.ll@polygons)), function(i) paste(var1,createPolygon(SP.ll@polygons[[i]],
fillColor=xx[i],
strokeColor=strokeColor,
strokeOpacity=strokeOpacity,
strokeWeight=swxx[i],
geodesic=geodesic,
map=map,
clickable=clickable,
fillOpacity=fillOpacity,
zIndex=zIndex),'\n',sep="")
)
,polyName,'.push(polygon); \n',sep="",collapse='\n')
k = 1:length(names(SP.ll@data))
att<- paste ( lapply(as.list(1:length(SP.ll@polygons)), function(i) paste(names(SP.ll@data),':',
sapply(k ,function(k) as.character(SP.ll@data[i,k])),'<br>', collapse="") ) )
var<-paste(var,var1)
infW<-""
infW<- paste ( lapply(as.list(1:length(SP.ll@polygons)), function(i) paste(infW,createInfoWindowEvent(Line_or_Polygon=
paste(polyName,'[',i-1,'] ',sep=""),
content=att[i],
map=InfoWindowControl$map,
event=InfoWindowControl$event,
position= SP.ll[i,]@polygons[[1]]@labpt,
disableAutoPan = InfoWindowControl$disableAutoPan,
maxWidth=InfoWindowControl$maxWidth,
pixelOffset=InfoWindowControl$pixelOffset,
zIndex=InfoWindowControl$zIndex)
,' \n') ) ,collapse='\n' )
functions<-paste(functions,infW,'showO(',polyName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td>
<input type="checkbox" id="',boxname,'"
onClick=\'boxclick(this,',polyName,',"',boxname,
'",',map,');\' /> <b> ', layerName,'<b> </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',
textname,'" value="50" onChange=\'setOpac(',
polyName,',"',textname,'")\' size=3 />
Opacity (0-100 %) </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text"
id="',textnameW,'" value="1" onChange=\'
setLineWeight(',polyName,',"',textnameW,'")\'
size=3 /> Line weight (pixels) </td> </tr> \n ',sep="")
}
if(legend){
divLegendImage<-tempfile("Legend")
divLegendImage<-substr(divLegendImage, start=regexpr("Legend",divLegendImage),stop=nchar(divLegendImage))
legendboxname<-paste('box',divLegendImage,sep="")
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
endhtm<- paste(endhtm,' \n <tr> <td> <input type="checkbox" checked="checked" id="'
,legendboxname,'" onClick=\'legendDisplay(this,"',
divLegendImage,'");\' /> LEGEND </td> </tr> <tr> <td>',
attributeName,'</td> </tr>
<tr> <td> <div style="display:block;" id="',
divLegendImage,'"> <img src="',divLegendImage,
'.png" alt="Legend" height="70%"> </div>
</td> </tr> \n </table> \n <hr> \n',sep="")
}else{ endhtm<- paste(endhtm, '</tr> \n </table> \n <hr> \n') }
}
else if ( class(SP)[1]=="SpatialGridDataFrame" ) {
rasterName<-tempfile("grid")
rasterName<-substr(rasterName, start=regexpr("grid",rasterName),stop=nchar(rasterName))
boxname<-paste(rasterName,'box',sep="")
divLegendImage<-tempfile("Legend")
divLegendImage<-substr(divLegendImage, start=regexpr("Legend",divLegendImage),stop=nchar(divLegendImage))
legendboxname<-paste('box',divLegendImage,sep="")
textname<- paste(rasterName,'text',sep="")
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' \n var', map,' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'\n var ',rasterName,'imageBounds = new google.maps.LatLngBounds
(new google.maps.LatLng(',sw[1],',',sw[2],'),
new google.maps.LatLng(',ne[1],',',ne[2],')); \n',sep="")
var<-paste(var,'var ', rasterName ,'= new USGSOverlay(',rasterName,'imageBounds',',"',rasterName, '.png",', map,'); \n',sep="")
if(is.null(colPalette)){
pal<-colorRampPalette(c( "green", "orange","brown"), space = "Lab")
xx<-colPalette<-as.character(substr(pal(12),1,7)) } else { xx<-colPalette<-as.character(substr(colPalette,1,7)) }
if(is.factor(attribute)){
if(length(colPalette)!=nlevels(attribute)) {
pal<-colorRampPalette(c( "green", "orange","brown"), space = "Lab")
xx<-colPalette<- as.character(substr(pal(nlevels(attribute)),1,7)) }
#pp<-rasterLegend(attribute,colPalette=xx,legendName=divLegendImage)
SP$arg1111<-as.numeric(SP[attributeName]@data[,1])
}else{
SP$arg1111<-SP[zcol]@data[,1]
}
cxx=PolyCol(SP[attributeName]@data[,1],colPalette,at)
xx=cxx$cols
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
SGqk <- GE_SpatialGrid(SP.ll)
png(filename =ifelse(temporary,paste(tempdir(),'/',rasterName,'.png',sep=""),paste(rasterName,'.png',sep="") )
, width=10*SGqk$width, height=10*SGqk$height, bg="transparent")
par(mar=c(0,0,0,0), xaxs="i", yaxs="i")
image(as.image.SpatialGridDataFrame(SP["arg1111"]),breaks=cxx$brks, col=cxx$col.uniq)
dev.off()
functions<-paste(functions,'showR(',rasterName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td> <input type="checkbox" id="',
boxname,'" onClick=\'boxclickR(this,',rasterName,',"',boxname,
'",',map,');\' /> <b> ', layerName ,'<b> </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> <input type="text" id="',
textname,'" value="50" onChange=\'setOpacR(',
rasterName,',"',textname,'")\' size=3 /> Opacity (0-100 %)</td> </tr> \n',sep="")
}
if(legend){
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
endhtm<-paste(endhtm,' \n <tr> <td> <input type="checkbox" checked="checked" id="'
,legendboxname,'" onClick=\'legendDisplay(this,"',
divLegendImage,'");\' /> LEGEND </td> </tr> <tr> <td>',
attributeName,'</td></tr>
<tr> <td> <div style="display:block;" id="',
divLegendImage,'"> <img src="',divLegendImage,
'.png" alt="Legend" height="70%"> </div>
</td> </tr> \n </table> \n <hr> \n',sep="")
}else{ endhtm<- paste(endhtm, '</tr> \n </table> \n <hr> \n') }
}
else {
message("SP object must be Spatial class!") }
if (add==F){functions<- paste(functions," google.maps.event.addListener( " ,map,", 'rightclick', function(event) {
var lat = event.latLng.lat();
var lng = event.latLng.lng();
alert('Lat=' + lat + '; Lng=' + lng);}); " , " \n }" )
endhtm<-paste(endhtm,'</div> \n </body> \n </html>')
write(starthtm, filename,append=F)
write(var, filename,append=TRUE)
write(functions, filename,append=TRUE)
write(endhtm, filename,append=TRUE)
if(openMap){browseURL(filename)}
}
x <- list(starthtm=starthtm,var=var, functions=functions,endhtm=endhtm)
return(x)
}
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plotGoogleMaps documentation built on May 1, 2019, 7:29 p.m.
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plotGoogleMaps <-
function(SP,
filename="",
zcol=1,
at=NULL,
add=FALSE,
previousMap=NULL,
colPalette=NULL,
strokeColor="",
strokeOpacity=1,
fillOpacity=0.7,
strokeWeight=1,
geodesic=TRUE,
clickable=TRUE,
draggableMarker=FALSE,
iconMarker="",
flat=TRUE,
visible=TRUE,
zIndex="null",
map.width="100%",
map.height="100%",
layerName="",
control.width="100%",
control.height="100%",
zoom=15,
fitBounds=TRUE,
mapTypeId = "HYBRID",
disableDoubleClickZoom =FALSE,
draggable= TRUE ,
keyboardShortcuts=TRUE,
mapTypeControlOptions='DEFAULT',
navigationControl=TRUE,
navigationControlOptions='DEFAULT',
scaleControlOptions= 'STANDARD',
noClear=FALSE,
scrollwheel =TRUE ,
streetViewControl= FALSE,
legend=TRUE,
control=TRUE,
InfoWindowControl=list(map=map, event="click",position="event.latLng",
disableAutoPan=FALSE, maxWidth=330,pixelOffset="null",
zIndex="null") ,
map="map",
mapCanvas="map_canvas",
css = "",
api="https://maps.google.com/maps/api/js?sensor=false&v=3.18",
openMap= TRUE
){
################################ plotGoogleMaps ###############################
###############################################################################
###############################################################################
# wd=getwd()
nameOfSP<-sapply(as.list(substitute({SP})[-1]), deparse)
nameOfSP<-gsub("\\s","", nameOfSP)
nameOfSP<-gsub('[!,",#,$,%,&,(,),*,+,-,.,/,:,;,<,=,>,?,@,_,^,`,|,~]', "x", nameOfSP)
nameOfSP<-gsub('[[]', "X", nameOfSP)
nameOfSP<-gsub('[]]', "X", nameOfSP)
temporary = FALSE
if(filename==""){
filename <- tempfile("map", fileext = c(".html"))
temporary = TRUE
}
if(class(SP)[1]=="RasterLayer"){
SP<- projectRaster( SP , crs=CRS("+proj=longlat +datum=WGS84"))
SP <- as(SP , 'SpatialGridDataFrame')
SP.ll <- SP
}
if ((class(SP)[1]=="SpatialPixelsDataFrame" || class(SP)[1]=="SpatialGridDataFrame" ) ){
r <- raster(SP, layer=zcol)
SP<- projectRaster( r , crs=CRS("+proj=longlat +datum=WGS84"))
SP <- as(SP , 'SpatialGridDataFrame')
SP.ll <- SP
} else{
SP.ll <- spTransform(SP, CRS("+proj=longlat +datum=WGS84"))
}
disableDefaultUI=FALSE
Centar=c(mean(SP.ll@bbox[1,]),mean(SP.ll@bbox[2,]))
sw<-c(SP.ll@bbox[2,1],SP.ll@bbox[1,1])
ne<-c(SP.ll@bbox[2,2],SP.ll@bbox[1,2])
if(any('data'==slotNames(SP)) ){
attribute=SP@data[,zcol]
for(i in 1:length(SP.ll@data)) {
if( identical(attribute,SP.ll@data[,i])){
attributeName<-names(SP.ll@data)[i] }
}
}
if(class(SP.ll)[1]=="SpatialPointsDataFrame"){
if(length(iconMarker)<length(SP.ll@coords[,1]) ) {
iconMarker=iconlabels(attribute,colPalette,at,height=10,icon=TRUE,scale=0.6) }else{
iconMarker=iconMarker[1:length(SP.ll@coords[,1])] }
# warning("iconMarker length is exceeded number of points")
}
if(class(SP.ll)[1]=="SpatialPoints"){
if(length(iconMarker)<length(SP.ll@coords[,1]) ) {
iconMarker=iconlabels(rep(iconMarker[1],length(SP.ll@coords[,1]) ),colPalette,at,height=10,icon=TRUE,scale=0.6) }else{
iconMarker=iconMarker[1:length(SP.ll@coords[,1])] }
# warning("iconMarker length is exceeded number of points")
}
if(layerName==""){
layerName=nameOfSP}
if(strokeColor!=""){
rgbc<-col2rgb(strokeColor)
strokeColor<-rgb(rgbc[1],rgbc[2],rgbc[3],maxColorValue=255) }
if(!is.null(colPalette)){
rgbc<-col2rgb(colPalette)
colPalette<-apply(rgbc,2,function(x) rgb(x[1],x[2],x[3],maxColorValue=255))}
if (!is.list(previousMap)) {
functions<-""
# Creating functions for checkbox comtrol, Show , Hide and Toggle control
# Set of JavaScript functionalities
funs ='function showR(R,boxname, map) {
R.setMap(map);
document.getElementById(boxname).checked = true; }
function hideR(R,boxname) {
R.setMap(null);
document.getElementById(boxname).checked = false; }
function showO(MLPArray,boxname, map ) {
for (var i = 0; i < MLPArray.length; i++) {
MLPArray[i].setMap(map); }
document.getElementById(boxname).checked = true; }
function hideO(MLPArray,boxname) {
for (var i = 0; i < MLPArray.length; i++) {
MLPArray[i].setMap(null);}
document.getElementById(boxname).checked = false; }
function boxclick(box,MLPArray,boxname, map) {
if (box.checked) { showO(MLPArray,boxname, map);
}else { hideO(MLPArray,boxname);} }
function setOpac(MLPArray,textname){
opacity=0.01*parseInt(document.getElementById(textname).value)
for(var i = 0; i < MLPArray.length; i++) {
MLPArray[i].setOptions({strokeOpacity: opacity, fillOpacity: opacity}); }}
function setOpacL(MLPArray,textname) {
opacity=0.01*parseInt(document.getElementById(textname).value)
for (var i = 0; i < MLPArray.length; i++) {
MLPArray[i].setOptions({strokeOpacity: opacity});}}
function setLineWeight(MLPArray,textnameW){
weight=parseInt(document.getElementById(textnameW).value)
for (var i = 0; i < MLPArray.length; i++){
MLPArray[i].setOptions({strokeWeight: weight}); } }
function legendDisplay(box,divLegendImage){
element = document.getElementById(divLegendImage).style;
if (box.checked){ element.display="block";} else { element.display="none";}}
function boxclickR(box,R,boxname, map) {
if (box.checked){
showR(R,boxname,map); } else { hideR(R,boxname);} }
function legendDisplay(box,divLegendImage){
element = document.getElementById(divLegendImage).style;
if (box.checked){ element.display="block";} else { element.display="none";}} \n '
functions<-paste(functions,funs,sep="")
init<-createInitialization(SP.ll,
add=T,
name=map,
divname=mapCanvas,
zoom=zoom,
fitBounds=fitBounds,
mapTypeId = mapTypeId,
disableDefaultUI=disableDefaultUI,
disableDoubleClickZoom =disableDoubleClickZoom,
draggable= draggable ,
keyboardShortcuts=keyboardShortcuts,
mapTypeControlOptions=mapTypeControlOptions,
scaleControlOptions=scaleControlOptions,
navigationControl=navigationControl,
navigationControlOptions=navigationControlOptions,
noClear=noClear,
scrollwheel =scrollwheel ,
streetViewControl= streetViewControl)
# Put all functions together
functions<-paste( functions,init, sep="") }else{ functions<- previousMap$functions}
fjs=""
fjs<-paste(fjs,'\n USGSOverlay.prototype = new google.maps.OverlayView(); \n',sep="")
fjs<-paste(fjs,'function USGSOverlay(bounds, image, map) {\n this.bounds_ = bounds;\n this.image_ = image;\n this.map_ = map;\n this.div_ = null;\n this.setMap(map); }\n',sep="")
fjs<-paste(fjs, 'USGSOverlay.prototype.onAdd = function() {\n var div = document.createElement("DIV");\n div.style.border = "none";\n div.style.borderWidth = "0px";\n div.style.position = "absolute";\n var img = document.createElement("img");\n img.src = this.image_;\n img.style.width = "100%";\n img.style.height = "100%";\n div.appendChild(img);\n this.div_ = div;\n this.div_.style.opacity = ',fillOpacity,';\n var panes = this.getPanes();\n panes.overlayImage.appendChild(this.div_);}\n' ,sep="")
fjs<-paste(fjs,'USGSOverlay.prototype.draw = function() {\n var overlayProjection = this.getProjection();\n var sw = overlayProjection.fromLatLngToDivPixel(this.bounds_.getSouthWest());\n var ne = overlayProjection.fromLatLngToDivPixel(this.bounds_.getNorthEast());\n var div = this.div_;\n div.style.left = sw.x + "px";\n div.style.top = ne.y + "px";\n div.style.width = (ne.x - sw.x) + "px";\n div.style.height = (sw.y - ne.y) + "px";} \n' ,sep="")
fjs<-paste(fjs,'USGSOverlay.prototype.onRemove = function() { \n this.div_.parentNode.removeChild(this.div_);} \n' ,sep="")
fjs<-paste(fjs,'USGSOverlay.prototype.hide = function() { if (this.div_) { this.div_.style.visibility = "hidden";} } \n' ,sep="")
fjs<-paste(fjs,'USGSOverlay.prototype.show = function() {if (this.div_) { this.div_.style.visibility = "visible";}} \n' ,sep="")
fjs<-paste(fjs,' USGSOverlay.prototype.toggle = function() { \n if (this.div_) { \n if (this.div_.style.visibility == "hidden") { \n this.show(); \n } else { \n this.hide(); } } } \n' ,sep="")
fjs<-paste(fjs,' USGSOverlay.prototype.toggleDOM = function() {\n if (this.getMap()) {\n this.setMap(null);\n } else {\n this.setMap(this.map_);}}\n' ,sep="")
fjs<-paste(fjs,' function setOpacR(Raster,textname) { \n opac=0.01*parseInt(document.getElementById(textname).value) \n Raster.div_.style.opacity= opac } \n' ,sep="")
if(map.width!=control.width & css==""){
css= paste('\n #',mapCanvas,' { float: left;
width:', map.width,';
height:' , map.height,'; }
\n #cBoxes {float: left;
width:', control.width,';
height: ', control.height,';
overflow:auto} \n', sep='')
}else if (css==""){
css=paste(' #',mapCanvas,' {min-height: 100%;height:auto; } \n #cBoxes {position:absolute;right:5px; top:50px; background:white}',sep='')
}
starthtm=paste('<!DOCTYPE html> \n <html> \n <head> \n <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta charset="utf-8"> \n <style type="text/css"> \n html { height: 100% ; font-size: small} \n body { height: 100%; margin: 0px; padding: 0px }
',css,'
</style> \n
<script type="text/javascript" src="',api,'"> </script> \n
<script language="javascript"> \n ',sep='')
starthtm<-paste(starthtm, fjs)
################################################################################
randNum = sample(1:10000, 1)
if (class(SP)[1]=="SpatialPoints"){
pointsName<-paste('markers',nameOfSP,randNum, sep="")
# Create chechk box name for checkbox control
boxname<-paste(pointsName,'box',sep="")
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' var marker \n var ', map,' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',pointsName,'=[] ;')
var1=""
var1<- paste( sapply(as.list(1:length(SP.ll@coords[,1])), function(i) paste(var1,createMarker(SP.ll@coords[i,],
title=paste(nameOfSP,
' NO: ',as.character(i),sep=""),
clickable=clickable,
draggable=draggableMarker,
flat=flat,
visible=visible,
map=map,
icon=iconMarker[i],
zIndex=zIndex),'\n',sep="")
)
,pointsName,'.push(marker); \n',sep="",collapse='\n')
# Put all variables together
var<-paste(var,var1)
functions<-paste(functions,'showO(',pointsName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n
<div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<input type="checkbox" id="',boxname,
'" onClick=\'boxclick(this,',pointsName,',"',boxname,'",',map,');\' /> <b>', layerName ,'<b> <hr/>',sep="")
}
}
else if (class(SP)[1]=="SpatialPointsDataFrame") {
pointsName<-paste('markers',nameOfSP,randNum, sep="")
# Create chechk box name for checkbox control
boxname<-paste(pointsName,'box',sep="")
att<-rep(NA,.5*length(slot(SP.ll,"coords")))
att1=""
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' var marker \n var ',map,' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',pointsName,'=[] ;')
var1=""
k = 1:length(names(SP.ll@data))
att<- paste ( lapply(as.list(1:length(SP.ll@coords[,1])), function(i) paste(names(SP.ll@data)[k],':',sapply(k ,function(k) as.character(SP.ll@data[i,k])) ,'\\r',
collapse="") ) )
var1<- paste( sapply(as.list(1:length(SP.ll@coords[,1])), function(i) paste(var1,createMarker(SP.ll@coords[i,],
title=paste(att[i],sep=""),
clickable=clickable,
draggable=draggableMarker,
flat=flat,
map=map,
visible=visible,
icon=iconMarker[i],
zIndex=zIndex),'\n',sep="")
)
,pointsName,'.push(marker); \n',sep="",collapse='\n')
att<- paste ( lapply(as.list(1:length(SP.ll@coords[,1])), function(i) paste(names(SP.ll@data)[k],':',sapply(k ,function(k) as.character(SP.ll@data[i,k]))
,'<br>', collapse="") ) )
var<-paste(var,var1)
infW<-""
infW<- paste ( lapply(as.list(1:length(SP.ll@coords[,1])), function(i)
paste(infW,createInfoWindowEventM(Marker=paste(pointsName,'[',i-1,'] ',sep=""),
content=att[i],
map=InfoWindowControl$map,
event=InfoWindowControl$event,
position= InfoWindowControl$position,
disableAutoPan = InfoWindowControl$disableAutoPan,
maxWidth=InfoWindowControl$maxWidth,
pixelOffset=InfoWindowControl$pixelOffset,
zIndex=InfoWindowControl$zIndex
),' \n') ) ,collapse='\n' )
functions<-paste(functions,infW,'showO(',pointsName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<input type="checkbox" id="',boxname,'" onClick=\'boxclick(this,',pointsName,',"',boxname,'",',map,');\' /> <b>', layerName ,'<b> <hr />',sep="")
}
if(legend){
divLegendImage<-tempfile("Legend")
divLegendImage<-substr(divLegendImage, start=regexpr("Legend",divLegendImage),stop=nchar(divLegendImage))
legendboxname<-paste('box',divLegendImage,sep="")
cxx<-PolyCol(attribute,colPalette,at=at)
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
endhtm<- paste(endhtm,' \n <table> <tr> <td> <input type="checkbox" checked="checked" id="'
,legendboxname,'" onClick=\'legendDisplay(this,"',
divLegendImage,'");\' /> LEGEND </td> </tr> <tr> <td>',
attributeName,'</td> </tr>
<tr> <td> <div style="display:block;" id="',
divLegendImage,'"> <img src="',divLegendImage,
'.png" alt="Legend" height="70%"> </div>
</td> </tr> \n </table> \n <hr> \n',sep="")
}else{endhtm<- paste(endhtm, '</tr> \n </table> \n <hr> \n')}
}
else if (class(SP)[1]=="SpatialLines"){
lineName<-paste('line',nameOfSP,randNum, sep="")
boxname<-paste(lineName,'box',sep="")
textname<- paste(lineName,'text',sep="")
textnameW<-paste(lineName,'W',sep="")
attribute=seq(1,length(SP.ll@lines))
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' \n var', map, ' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',lineName,'=[] ; \n')
var1=""
if(length(colPalette)==length(SP.ll@lines)){
xx<- colPalette}else{
cxx<-PolyCol(1:SP.ll@lines,colPalette,at=at)
xx<- cxx$cols
}
var1<- paste( lapply(as.list(1:length(SP.ll@lines)), function(i) paste(var1,createLine(SP.ll@lines[[i]],
strokeColor=xx[i],
strokeOpacity=strokeOpacity,
strokeWeight=strokeWeight,
geodesic=geodesic,
clickable=clickable,
map=map,
zIndex=zIndex),'\n',sep="")
)
,lineName,'.push(line); \n',sep="",collapse='\n')
# Put all variables together
var<-paste(var,var1)
functions<-paste(functions,'showO(',lineName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td> <input type="checkbox" id="',boxname,'" onClick=\'boxclick(this,',lineName,',"',boxname,'",',map,');\' /> ', layerName ,' </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',textname,'" value="100" onChange=\'setOpacL(',lineName,',"',textname,'")\' size=3 /> Opacity (0-100 %) </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',textnameW,'" value="1" onChange=\'setLineWeight(',lineName,',"',textnameW,'")\' size=3 /> Line weight (px) </td> </tr> </table> \n',sep="")
}
}
else if (class(SP)[1]=="SpatialLinesDataFrame") {
lineName<-paste('line',nameOfSP,randNum, sep="")
boxname<-paste(lineName,'box',sep="")
textname<- paste(lineName,'text',sep="")
textnameW<-paste(lineName,'W',sep="")
att<-rep(NA,length(slot(SP.ll,"lines")))
att1=""
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' \n var ',map,' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',lineName,'=[] ; \n')
var1=""
cxx<-PolyCol(attribute,colPalette,at=at)
xx<- cxx$cols
if(length(strokeWeight)==length(attribute)){
swxx=strokeWeight
}else{swxx<-weightATR(attribute,strokeWeight)}
if(length(attribute)==length(colPalette)){xx= colPalette}
var1<- paste( sapply(1:length(SP.ll@lines), function(i) paste(var1,createLine(SP.ll@lines[[i]],
strokeColor=xx[i] ,
strokeOpacity=strokeOpacity,
strokeWeight=swxx[i],
geodesic=geodesic,
clickable=clickable,
zIndex=zIndex ),'\n',sep="")
)
,lineName,'.push(line); \n',sep="",collapse='\n')
k = 1:length(names(SP.ll@data))
att<- paste ( lapply(as.list(1:length(SP.ll@lines)), function(i) paste(names(SP.ll@data),':',
sapply(k ,function(k) as.character(SP.ll@data[i,k])),'<br>', collapse="") ) )
# Put all variables together
var<-paste(var,var1)
infW<-""
infW<- paste ( lapply(as.list(1:length(SP.ll@lines)), function(i)
paste(infW,createInfoWindowEvent(Line_or_Polygon=paste(lineName,'[',i-1,'] ',sep=""),
content=att[i],
map=InfoWindowControl$map,
event=InfoWindowControl$event,
position= InfoWindowControl$position,
disableAutoPan = InfoWindowControl$disableAutoPan,
maxWidth=InfoWindowControl$maxWidth,
pixelOffset=InfoWindowControl$pixelOffset,
zIndex=InfoWindowControl$zIndex),
' \n') ) ,collapse='\n' )
functions<-paste(functions,infW,'showO(',lineName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td>
<input type="checkbox" id="',boxname,'"
onClick=\'boxclick(this,',lineName,',"',
boxname,'",',map,');\' /> <b> </tr>', layerName ,
'<b> </td> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',
textname,'" value="100" onChange=\'setOpacL(',
lineName,',"',textname,'")\' size=3 />
Opacity (0-100 %) </td> </tr>\n',sep="")
endhtm<- paste(endhtm,'<tr> \n <td> \n <input type="text" id="',
textnameW,'" value="1" onChange=\'setLineWeight(',
lineName,',"',textnameW,'")\' size=3 />
Line weight (pixels) </td> </tr> \n',sep="")
}
if(legend){
divLegendImage<-tempfile("Legend")
divLegendImage<-substr(divLegendImage, start=regexpr("Legend",divLegendImage),stop=nchar(divLegendImage))
legendboxname<-paste('box',divLegendImage,sep="")
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
endhtm<- paste(endhtm,' \n <tr> <td> <input type="checkbox" checked="checked" id="'
,legendboxname,'" onClick=\'legendDisplay(this,"',
divLegendImage,'");\' /> LEGEND </td> </tr> <tr> <td>',
attributeName,'</td> </tr> \n
<tr> <td> <div style="display:block;" id="',
divLegendImage,'"> <img src="',divLegendImage,
'.png" alt="Legend" height="70%"> </div>
</td> </tr> \n </table> \n <hr> \n',sep="")
}else{endhtm<- paste(endhtm, '</tr> \n </table> \n <hr> \n')}
}
else if (class(SP)[1]=="SpatialPolygons") {
polyName<-paste('poly',nameOfSP,randNum, sep="")
boxname<-paste(polyName,'box',sep="")
textname<- paste(polyName,'text',sep="")
textnameW<-paste(polyName,'W',sep="")
attribute=seq(1,length(SP.ll@polygons))
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<- paste(' \n var', map, ' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',polyName,'=[] ; \n')
var1=""
if(length(colPalette)==length(SP.ll@polygons)){
xx<- colPalette}else{
cxx<-PolyCol(1:length(SP.ll@polygons),colPalette,at=at)
xx<- cxx$cols
}
if(length(strokeWeight)==length(SP.ll@polygons)){
swxx=strokeWeight
}else{swxx=rep(strokeWeight,length(SP.ll@polygons)) }
var1<- paste( lapply(as.list(1:length(SP.ll@polygons)), function(i) paste(var1,createPolygon(SP.ll@polygons[[i]],
fillColor=xx[i],
strokeColor=strokeColor,
strokeOpacity=strokeOpacity,
strokeWeight=swxx[i],
geodesic=geodesic,
map=map,
clickable=clickable,
fillOpacity=fillOpacity,
zIndex=zIndex),'\n',sep="")
)
,polyName,'.push(polygon); \n',sep="",collapse='\n')
# Put all variables together
var<-paste(var,var1)
functions<-paste(functions,'\n showO(',polyName,',"',boxname,'",',map,'); \n',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td> <input
type="checkbox" id="',boxname,'" onClick=\'boxclick(this,',
polyName,',"',boxname,'",',map,');\' /> ',
layerName ,' </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',
textname,'" value="50" onChange=\'setOpac(',
polyName,',"',textname,'")\' size=3 />
Opacity (0-100 %) </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" checked="checked" id="',
textnameW,'" value="1" onChange=\'setLineWeight(',
polyName,',"',textnameW,'")\' size=3 /> Line weight
(pixels) </td> </tr> \n </table> \n',sep="")
}
}
else if (class(SP)[1]=="SpatialPolygonsDataFrame") {
polyName<-paste('poly',nameOfSP,randNum, sep="")
boxname<-paste(polyName,'box',sep="")
textname<- paste(polyName,'text',sep="")
textnameW<-paste(polyName,'W',sep="")
att<-rep(NA,length(slot(SP.ll,"polygons")))
att1=""
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<- paste(' \n var', map, ' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'var ',polyName,'=[] ; \n')
var1=""
cxx<-PolyCol(attribute,colPalette,at=at)
xx<- cxx$cols
if(length(attribute)==length(colPalette)){xx= colPalette}
if(length(strokeWeight)==length(SP.ll@polygons)){
swxx=strokeWeight
}else{swxx=rep(strokeWeight,length(SP.ll@polygons)) }
var1<- paste( lapply(as.list(1:length(SP.ll@polygons)), function(i) paste(var1,createPolygon(SP.ll@polygons[[i]],
fillColor=xx[i],
strokeColor=strokeColor,
strokeOpacity=strokeOpacity,
strokeWeight=swxx[i],
geodesic=geodesic,
map=map,
clickable=clickable,
fillOpacity=fillOpacity,
zIndex=zIndex),'\n',sep="")
)
,polyName,'.push(polygon); \n',sep="",collapse='\n')
k = 1:length(names(SP.ll@data))
att<- paste ( lapply(as.list(1:length(SP.ll@polygons)), function(i) paste(names(SP.ll@data),':',
sapply(k ,function(k) as.character(SP.ll@data[i,k])),'<br>', collapse="") ) )
var<-paste(var,var1)
infW<-""
infW<- paste ( lapply(as.list(1:length(SP.ll@polygons)), function(i) paste(infW,createInfoWindowEvent(Line_or_Polygon=
paste(polyName,'[',i-1,'] ',sep=""),
content=att[i],
map=InfoWindowControl$map,
event=InfoWindowControl$event,
position= SP.ll[i,]@polygons[[1]]@labpt,
disableAutoPan = InfoWindowControl$disableAutoPan,
maxWidth=InfoWindowControl$maxWidth,
pixelOffset=InfoWindowControl$pixelOffset,
zIndex=InfoWindowControl$zIndex)
,' \n') ) ,collapse='\n' )
functions<-paste(functions,infW,'showO(',polyName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td>
<input type="checkbox" id="',boxname,'"
onClick=\'boxclick(this,',polyName,',"',boxname,
'",',map,');\' /> <b> ', layerName,'<b> </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text" id="',
textname,'" value="50" onChange=\'setOpac(',
polyName,',"',textname,'")\' size=3 />
Opacity (0-100 %) </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> \n <input type="text"
id="',textnameW,'" value="1" onChange=\'
setLineWeight(',polyName,',"',textnameW,'")\'
size=3 /> Line weight (pixels) </td> </tr> \n ',sep="")
}
if(legend){
divLegendImage<-tempfile("Legend")
divLegendImage<-substr(divLegendImage, start=regexpr("Legend",divLegendImage),stop=nchar(divLegendImage))
legendboxname<-paste('box',divLegendImage,sep="")
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
endhtm<- paste(endhtm,' \n <tr> <td> <input type="checkbox" checked="checked" id="'
,legendboxname,'" onClick=\'legendDisplay(this,"',
divLegendImage,'");\' /> LEGEND </td> </tr> <tr> <td>',
attributeName,'</td> </tr>
<tr> <td> <div style="display:block;" id="',
divLegendImage,'"> <img src="',divLegendImage,
'.png" alt="Legend" height="70%"> </div>
</td> </tr> \n </table> \n <hr> \n',sep="")
}else{ endhtm<- paste(endhtm, '</tr> \n </table> \n <hr> \n') }
}
else if ( class(SP)[1]=="SpatialGridDataFrame" ) {
rasterName<-tempfile("grid")
rasterName<-substr(rasterName, start=regexpr("grid",rasterName),stop=nchar(rasterName))
boxname<-paste(rasterName,'box',sep="")
divLegendImage<-tempfile("Legend")
divLegendImage<-substr(divLegendImage, start=regexpr("Legend",divLegendImage),stop=nchar(divLegendImage))
legendboxname<-paste('box',divLegendImage,sep="")
textname<- paste(rasterName,'text',sep="")
if (!is.list(previousMap)) {
var<-""
# Declare variables in JavaScript marker and map
var<-paste(' \n var', map,' \n')
# Create all markers and store them in markersArray - PointsName
}else{ var<-previousMap$var}
var<-paste(var,'\n var ',rasterName,'imageBounds = new google.maps.LatLngBounds
(new google.maps.LatLng(',sw[1],',',sw[2],'),
new google.maps.LatLng(',ne[1],',',ne[2],')); \n',sep="")
var<-paste(var,'var ', rasterName ,'= new USGSOverlay(',rasterName,'imageBounds',',"',rasterName, '.png",', map,'); \n',sep="")
if(is.null(colPalette)){
pal<-colorRampPalette(c( "green", "orange","brown"), space = "Lab")
xx<-colPalette<-as.character(substr(pal(12),1,7)) } else { xx<-colPalette<-as.character(substr(colPalette,1,7)) }
if(is.factor(attribute)){
if(length(colPalette)!=nlevels(attribute)) {
pal<-colorRampPalette(c( "green", "orange","brown"), space = "Lab")
xx<-colPalette<- as.character(substr(pal(nlevels(attribute)),1,7)) }
#pp<-rasterLegend(attribute,colPalette=xx,legendName=divLegendImage)
SP$arg1111<-as.numeric(SP[attributeName]@data[,1])
}else{
SP$arg1111<-SP[zcol]@data[,1]
}
cxx=PolyCol(SP[attributeName]@data[,1],colPalette,at)
xx=cxx$cols
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
SGqk <- GE_SpatialGrid(SP.ll)
png(filename =ifelse(temporary,paste(tempdir(),'/',rasterName,'.png',sep=""),paste(rasterName,'.png',sep="") )
, width=10*SGqk$width, height=10*SGqk$height, bg="transparent")
par(mar=c(0,0,0,0), xaxs="i", yaxs="i")
image(as.image.SpatialGridDataFrame(SP["arg1111"]),breaks=cxx$brks, col=cxx$col.uniq)
dev.off()
functions<-paste(functions,'showR(',rasterName,',"',boxname,'",',map,');',sep="")
if (!is.list(previousMap)) {
endhtm<-paste('</script> \n </head> \n <body onload="initialize()"> \n <div id="',mapCanvas,'"></div> \n
\n <div id="cBoxes"> \n', sep='')
} else { endhtm<- previousMap$endhtm }
if(control){
endhtm<- paste(endhtm,'<table border="0"> \n <tr> \n <td> <input type="checkbox" id="',
boxname,'" onClick=\'boxclickR(this,',rasterName,',"',boxname,
'",',map,');\' /> <b> ', layerName ,'<b> </td> </tr> \n',sep="")
endhtm<- paste(endhtm,' \n <tr> <td> <input type="text" id="',
textname,'" value="50" onChange=\'setOpacR(',
rasterName,',"',textname,'")\' size=3 /> Opacity (0-100 %)</td> </tr> \n',sep="")
}
if(legend){
pp<-legendbar(cxx$brks,colPalette=cxx$col.uniq,legendName=divLegendImage, temp=temporary)
endhtm<-paste(endhtm,' \n <tr> <td> <input type="checkbox" checked="checked" id="'
,legendboxname,'" onClick=\'legendDisplay(this,"',
divLegendImage,'");\' /> LEGEND </td> </tr> <tr> <td>',
attributeName,'</td></tr>
<tr> <td> <div style="display:block;" id="',
divLegendImage,'"> <img src="',divLegendImage,
'.png" alt="Legend" height="70%"> </div>
</td> </tr> \n </table> \n <hr> \n',sep="")
}else{ endhtm<- paste(endhtm, '</tr> \n </table> \n <hr> \n') }
}
else {
message("SP object must be Spatial class!") }
if (add==F){functions<- paste(functions," google.maps.event.addListener( " ,map,", 'rightclick', function(event) {
var lat = event.latLng.lat();
var lng = event.latLng.lng();
alert('Lat=' + lat + '; Lng=' + lng);}); " , " \n }" )
endhtm<-paste(endhtm,'</div> \n </body> \n </html>')
write(starthtm, filename,append=F)
write(var, filename,append=TRUE)
write(functions, filename,append=TRUE)
write(endhtm, filename,append=TRUE)
if(openMap){browseURL(filename)}
}
x <- list(starthtm=starthtm,var=var, functions=functions,endhtm=endhtm)
return(x)
}
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