Difference between revisions of "Opasnet map"

library(rgdal)
library(maptools)
library(RColorBrewer)
library(classInt)
library(OpasnetBaseUtils)

shp<-readOGR('PG:host=localhost user=postgres dbname=spatial_db','kuopio_house')
plotvar<-shp@data$ika
nclr<-8
plotclr<-brewer.pal(nclr,"BuPu")
class<-classIntervals(plotvar,nclr,style="quantile")
colcode<-findColours(class,plotclr)

epsg4326String <- CRS("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs")
proj4string(shp)<-("+init=epsg:3067")
shp2<-spTransform(shp,epsg4326String)


kmlname<-"Kuopio house data"
kmldescription<-"Random stuff about here"
icon<-"http://maps.google.com/mapfiles/kml/pal2/icon18.png"
name<-paste("ika value: ", shp2$ika)
description <- paste("<b>Value:</b>",shp2$ika,"<br><b>Description:</b>",shp2$kayttotark)


MyPointKML<-function(obj = NULL, kmlname = "", kmldescription = "", name = NULL, description = "", icon = "http://maps.google.com/mapfiles/kml/pal4/icon24.png",col=NULL) 
{
    if (is.null(obj)) 
        return(list(header = c("<?xml version=\"1.0\" encoding=\"UTF-8\"?>", 
            "<kml xmlns=\"http://earth.google.com/kml/2.2\">", 
            "<Document>", paste("<name>", kmlname, "</name>", 
                sep = ""), paste("<description><![CDATA[", kmldescription, 
                "]]></description>", sep = "")), footer = c("</Document>", 
            "</kml>")))
    if (class(obj) != "SpatialPointsDataFrame") 
        stop("obj must be of class 'SpatialPointsDataFrame' [package 'sp']")
    if (is.null(name)) {
        name = c()
        for (i in 1:nrow(obj)) name <- append(name, paste("site", 
            i))
    }
    if (length(name) < nrow(obj)) {
        if (length(name) > 1) 
            warning("kmlPoints: length(name) does not match nrow(obj). The first name will be replicated.")
        name <- rep(name, nrow(obj))
    }
    if (length(description) < nrow(obj)) {
        if (length(description) > 1) 
            warning("kmlPoints: length(description) does not match nrow(obj). The first description will be replicated.")
        description <- rep(description, nrow(obj))
    }
    if (length(icon) < nrow(obj)) {
        if (length(icon) > 1) 
            warning("kmlPoints: length(icon) does not match nrow(obj). Only the first one will be used.")
        icon <- icon[1]
    }
    col2kmlcolor <- function(col) paste(rev(sapply(col2rgb(col, TRUE), function(x) sprintf("%02x", x))), collapse = "")
    kml <- kmlStyle <- ""
    kmlHeader <- c("<?xml version=\"1.0\" encoding=\"UTF-8\"?>","<kml xmlns=\"http://earth.google.com/kml/2.2\">", "<Document>")
    kmlFooter <- c("</Document>", "</kml>")
    #for (i in 1:nrow(obj)) {
    for (i in 1:100) {
        point <- obj[i, ]
        pt_name = name[i]
        pt_description = description[i]
        pt_style <- paste("#style", ifelse(length(icon) == 1, 1, i), sep = "")
        kml <- append(kml, "<Placemark>")
        kml <- append(kml, paste("  <description><![CDATA[",pt_description, "]]></description>", sep = ""))
	#kml <- append(kml, "<Style><IconStyle>")
	#kml <- append(kml, paste("<color>", col2kmlcolor(col[i]), "</color>", sep =""))
        #kml <- append(kml, paste("  <Icon><href>", icon, "</href></Icon>", sep = ""))
	#kml <- append(kml, "<scale>0.300000</scale>")
	#kml <- append(kml, "</IconStyle></Style>")
        kml <- append(kml, "  <Point>")
        kml <- append(kml, "    <coordinates>")
        kml <- append(kml, paste(point@coords[1], point@coords[2], sep = ","))
        kml <- append(kml, "    </coordinates>")
        kml <- append(kml, "  </Point>")
        kml <- append(kml, "</Placemark>")
    }
    
    return(paste(paste(c(kmlHeader, kmlStyle, kml, kmlFooter), sep = "", collapse = "\n"), collapse="\n", sep = ""))
    
}



data <- MyPointKML(shp2,kmlname,kmldescription,name,description,icon,colcode)
google.show_kml_data_on_maps(data)

library(OpasnetBaseUtils)
library(sorvi)
library(rgdal)

data(MML)

shp <- MML[["1_milj_Shape_etrs_shape"]][["kunta1_p"]]

#epsg3857String <- CRS("+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378137 +b=6378137 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs")
epsg4326String <- CRS("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs")
proj4string(shp)<-("+init=epsg:3047")
shp2<-spTransform(shp,epsg4326String)

out<-sapply(slot(shp2,"polygons"),function(x){kmlPolygon(x,name="nimi",col='#df0000aa',lwd=1,border='black',description="selite") })

data<-paste(
paste(kmlPolygon(kmlname="This will be layer name", kmldescription="<i>More info about layer here</i>")$header, collapse="\n"),
paste(unlist(out["style",]), collapse="\n"),
paste(unlist(out["content",]), collapse="\n"),
paste(kmlPolygon()$footer, collapse="\n"),
sep=''
)

google.show_kml_data_on_maps(data)

library(rgdal)
library(maptools)
library(RColorBrewer)
library(classInt)
library(OpasnetBaseUtils)

shp<-readOGR('PG:host=localhost user=postgres dbname=spatial_db','watson_wkt')

plotvar<-shp@data$value_inhalation
nclr<-8
plotclr<-brewer.pal(nclr,"BuPu")
class<-classIntervals(plotvar,nclr,style="quantile")
colcode<-findColours(class,plotclr)
epsg4326String <- CRS("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs")
proj4string(shp)<-("+init=epsg:3035")
shp2<-spTransform(shp,epsg4326String)


out<-sapply(slot(shp2,"polygons"),function(x){kmlPolygon(x,name=as(shp2,"data.frame")[slot(x,"ID"),"country_code"],col=colcode[[((as.numeric(slot(x,"ID"))+1))]],lwd=1,border='black',description=paste("Value:",as(shp2,"data.frame")[slot(x,"ID"),"value_inhalation"])) })

data<-paste(
paste(kmlPolygon(kmlname="This will be layer name", kmldescription="<i>More info about layer here</i>")$header, collapse="\n"),
paste(unlist(out["style",]), collapse="\n"),
paste(unlist(out["content",]), collapse="\n"),
paste(kmlPolygon()$footer, collapse="\n"),
sep=''
)

google.show_kml_data_on_maps(data)

library('OpasnetBaseUtils')
cat("<span style='font-size: 1.2em;font-weight:bold;'>PostgreSQL Test</span>\n")
google.show_data_on_maps()