R/barmap.R

In GeoXp: Interactive exploratory spatial data analysis

`barmap` <-
function(sp.obj, name.var, type = c("count","percent"),
names.arg="", names.attr=names(sp.obj), criteria=NULL, carte=NULL, identify=FALSE, cex.lab=0.8, pch=16, 
col="lightblue3", xlab="", ylab="", axes=FALSE, lablong="", lablat="")
{
envir = as.environment(1)
# Verification of the Spatial Object sp.obj
class.obj<-class(sp.obj)[1]
spdf<-(class.obj=="SpatialPolygonsDataFrame")
if(substr(class.obj,1,7)!="Spatial") stop("sp.obj may be a Spatial object")
if(substr(class.obj,nchar(class.obj)-8,nchar(class.obj))!="DataFrame") stop("sp.obj should contain a data.frame")
if(!is.numeric(name.var) & is.na(match(as.character(name.var),names(sp.obj)))) stop("name.var is not included in the data.frame of sp.obj")
if(length(names.attr)!=length(names(sp.obj))) stop("names.attr should be a vector of character with a length equal to the number of variable")


# we propose to refind the same arguments used in first version of GeoXp
long<-coordinates(sp.obj)[,1]
lat<-coordinates(sp.obj)[,2]

var<-sp.obj@data[,name.var]

listvar<-sp.obj@data
listnomvar<-names.attr

# Code which was necessary in the previous version

 # var=as.matrix(var)
 # lat=as.matrix(lat)
 # long=as.matrix(long)

# if(is.null(carte) & class.obj=="SpatialPolygonsDataFrame") carte<-spdf2list(sp.obj)$poly

 # for colors in map and new grahics
 ifelse(length(col)==1, col2<-"blue", col2<-col)
 col3<-"lightblue3"

 # for identifyng the selected sites
ifelse(identify, label<-row.names(listvar),label<-"")


  #initialisation
  nointer<-FALSE
  nocart<-FALSE
  buble<-FALSE
  z<-NULL
  legmap<-NULL
  labvar <- c(xlab,ylab)
  legends<-list(FALSE,FALSE,"","")
  if(names.arg[1]=="") names.arg<-levels(as.factor(var))
  obs<-vector(mode = "logical", length = length(long))
  fin <- tclVar(FALSE);
  graphChoice <- ""
  varChoice1 <- ""
  varChoice2 <- ""
  choix<-""
  listgraph <- c("Histogram","Barplot","Scatterplot")

 #transformation data.frame en matrice

 if((length(listvar)>0) && (dim(as.matrix(listvar))[2]==1)) listvar<-as.matrix(listvar)


# Windows device
if(!(2%in%dev.list())) dev.new()
if(!(3%in%dev.list())) dev.new()



####################################################
# sélection d'un point
####################################################

pointfunc<-function() 
{
    quit <- FALSE

    dev.set(2)
    title("ACTIVE DEVICE", cex.main = 0.8, font.main = 3, col.main='red')
    title(sub = "To stop selection, click on the right button of the mouse and stop (for MAC, ESC)", cex.sub = 0.8, font.sub = 3,col.sub='red')

    while(!quit)
    {
        dev.set(2)
        if(spdf & nrow(sp.obj)>75 & !buble) 
         {points(long,lat,pch=16,col='royalblue')}
         
        #sélection des points
        loc<-locator(1)
        if(is.null(loc))
        {
            quit<-TRUE
         carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj,cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
         lablong=lablong, lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,method="Cluster",
         classe=var,couleurs=col2,legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)         
            next
        }
        
       if(!spdf|nrow(sp.obj)>75)
       { 
       obs<<-selectmap(var1=long,var2=lat,obs=obs,Xpoly=loc[1], Ypoly=loc[2], method="point")}
       else
       {if(gContains(sp.obj,SpatialPoints(cbind(loc$x,loc$y),proj4string=CRS(proj4string(sp.obj)))))
        {for (i in 1:nrow(sp.obj))
          {if(gContains(sp.obj[i,],SpatialPoints(cbind(loc$x,loc$y),proj4string=CRS(proj4string(sp.obj)))))
           {obs[i]<<-!obs[i]
            break}  
          }
         } 
       }
        # graphiques

  
         carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj, cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
         lablong=lablong, lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,method="Cluster",
         classe=var,couleurs=col2,legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)

         title("ACTIVE DEVICE", cex.main = 0.8, font.main = 3, col.main='red')
         title(sub = "To stop selection, click on the right button of the mouse and stop (for MAC, ESC)", cex.sub = 0.8, font.sub = 3,col.sub='red')

         graphique(var1=var, obs=obs, num=3,graph="Barplot", bin=type, labvar=labvar, symbol=pch,labmod=names.arg,couleurs=col)
   
        if ((graphChoice != "") && (varChoice1 != "") && (length(dev.list()) > 2))
        {
          graphique(var1=listvar[,which(listnomvar == varChoice1)], var2=listvar[,which(listnomvar == varChoice2)],
          obs=obs, num=4, graph=graphChoice, couleurs=col3,symbol=pch[1], labvar=c(varChoice1,varChoice2))
        }
    }
  }
####################################################
# sélection d'un polygone
####################################################

polyfunc<-function() 
{
    polyX <- NULL
    polyY <- NULL
    quit <- FALSE

   dev.set(2)
   title("ACTIVE DEVICE", cex.main = 0.8, font.main = 3, col.main='red')
   title(sub = "To stop selection, click on the right button of the mouse and stop (for MAC, ESC)", cex.sub = 0.8, font.sub = 3,col.sub='red')
   if(spdf) 
   {points(long,lat,pch=16,col='royalblue')}
         
    while(!quit)
    {
        loc<-locator(1)
        if(is.null(loc)) 
        {
            quit<-TRUE
            next
        }

        polyX <- c(polyX, loc[1])
        polyY <- c(polyY, loc[2])

        lines(polyX,polyY)
     }
    

    polyX <- c(polyX, polyX[1])
    polyY <- c(polyY, polyY[1])


if (length(polyX)>0)
{
    lines(polyX,polyY)

    obs <<- selectmap(var1=long, var2=lat, obs=obs, Xpoly=polyX, Ypoly=polyY, method="poly")

    #graphiques
        carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj, cbuble=z,criteria=criteria,nointer=nointer,obs=obs, lablong=lablong,
        lablat=lablat, label=label, symbol=pch,couleurs=col2,carte=carte,nocart=nocart,method="Cluster",classe=var,
        legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)
         
        graphique(var1=var, obs=obs, num=3,graph="Barplot",bin=type, labvar=labvar, symbol=pch,labmod=names.arg,couleurs=col)
         
         if ((graphChoice != "") && (varChoice1 != "") && (length(dev.list()) > 2))
         {
          graphique(var1=listvar[,which(listnomvar == varChoice1)], var2=listvar[,which(listnomvar == varChoice2)],
          obs=obs, num=4, graph=graphChoice, couleurs=col3,symbol=pch[1], labvar=c(varChoice1,varChoice2))
         }
}
  }

####################################################
# sélection d'une barre sur le diagramme
####################################################

barfunc<-function()
{
    SGfunc()
    quit <- FALSE;

    while(!quit)
    {
        dev.set(3)
        title("ACTIVE DEVICE", cex.main = 0.8, font.main = 3, col.main='red')
        title(sub = "To stop selection, click on the right button of the mouse and stop (for MAC, ESC)", cex.sub = 0.8, font.sub = 3,col.sub='red')
        loc<-locator(1)
        if(is.null(loc)) 
        {
            quit<-TRUE
            graphique(var1=var, obs=obs, num=3,graph="Barplot",bin=type, labvar=labvar, symbol=pch,labmod=names.arg,couleurs=col)
            next
        }           
        obs<<-selectstat(var1=var,obs=obs,Xpoly=loc[1], Ypoly=loc[2],method="Barplot") 

        # graphiques
        graphique(var1=var, obs=obs, num=3,graph="Barplot",bin=type, labvar=labvar, symbol=pch,labmod=names.arg,couleurs=col)
        title("ACTIVE DEVICE", cex.main = 0.8, font.main = 3, col.main='red')
        title(sub = "To stop selection, click on the right button of the mouse and stop (for MAC, ESC)", cex.sub = 0.8, font.sub = 3,col.sub='red')

        carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj, cbuble=z,criteria=criteria,nointer=nointer,obs=obs, lablong=lablong,
        lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,couleurs=col2,method="Cluster",classe=var,
        legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)
         
        if ((graphChoice != "") && (varChoice1 != "") && (length(dev.list()) > 2))
        {
         graphique(var1=listvar[,which(listnomvar == varChoice1)], var2=listvar[,which(listnomvar == varChoice2)],
          obs=obs, num=4, graph=graphChoice, couleurs=col3,symbol=pch[1], labvar=c(varChoice1,varChoice2))
        }
    }
  }

####################################################
# choix d'un autre graphique
####################################################

graphfunc <- function()
{
    if ((length(listvar) != 0) && (length(listnomvar) != 0))
    {
        choix <<- selectgraph(listnomvar,listgraph)
        varChoice1 <<- choix$varChoice1
        varChoice2 <<- choix$varChoice2
        graphChoice <<- choix$graphChoice
            
        if ((length(graphChoice) != 0) && (length(varChoice1) != 0))
        {
            if(!(4%in%dev.list())) dev.new()
            graphique(var1=listvar[,which(listnomvar == varChoice1)], var2=listvar[,which(listnomvar == varChoice2)],
            obs=obs, num=4, graph=graphChoice, couleurs=col3, labvar=c(varChoice1,varChoice2))
        }
        else
        {
        tkmessageBox(message="You must choose a variable",icon="warning",type="ok")
        }
    }
    else
    {
        tkmessageBox(message="You must give variables (listvar) and their names (listnomvar)",icon="warning",type="ok")
    }
  }


####################################################
# contour des unités spatiales
####################################################

cartfunc <- function()
{ 
 if (length(carte) != 0)
   {ifelse(!nocart,nocart<<-TRUE,nocart<<-FALSE)
    carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj,cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
    lablong=lablong, lablat=lablat, label=label, symbol=pch,couleurs=col2,carte=carte,nocart=nocart,
    method="Cluster",classe=var,legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)    
   }
   else
   {
    tkmessageBox(message="Spatial contours have not been given",icon="warning",type="ok")    
   }
}



####################################################
# rafraichissement des graphiques
####################################################

SGfunc<-function() 
{
    obs<<-vector(mode = "logical", length = length(long))
    
    carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj,cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
    lablong=lablong, lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,couleurs=col2,
    method="Cluster",classe=var,legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)
    
    graphique(var1=var, obs=obs, num=3, graph="Barplot",bin=type, labvar=labvar, symbol=pch,labmod=names.arg,couleurs=col)
   
    if ((graphChoice != "") && (varChoice1 != "") && (length(dev.list()) > 2))
    {
     graphique(var1=listvar[,which(listnomvar == varChoice1)], var2=listvar[,which(listnomvar == varChoice2)],
     obs=obs, num=4, graph=graphChoice, couleurs=col3,symbol=pch[1],labvar=c(varChoice1,varChoice2))
    }
  }

####################################################
# quitter l'application
####################################################

quitfunc<-function()
{
    #tclvalue(fin)<<-TRUE
    tkdestroy(tt)
    assign("GeoXp.open", FALSE, envir = baseenv())
   # assign("obs", row.names(sp.obj)[obs], envir = .GlobalEnv)
}

quitfunc2<-function()
{
    #tclvalue(fin)<<-TRUE
    tkdestroy(tt)
    assign("GeoXp.open", FALSE, envir = baseenv())
    print("Results have been saved in last.select object")
    assign("last.select", which(obs), envir = envir)
}

####################################################
# Open a no interactive selection
####################################################

fnointer<-function() 
{
 if (length(criteria) != 0)
 {
  ifelse(!nointer,nointer<<-TRUE,nointer<<-FALSE)
  carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj,cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
  lablong=lablong, lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,couleurs=col2,
  method="Cluster",classe=var,legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)     
 }
 else
 {
  tkmessageBox(message="Criteria has not been given",icon="warning",type="ok")
 }
 
}


####################################################
# Bubble
####################################################

fbubble<-function()
{
  res2<-choix.bubble(buble,listvar,listnomvar,legends)
  
  buble <<- res2$buble
  legends <<- res2$legends
  z <<- res2$z
  legmap <<- res2$legmap
  
 carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj,cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
 lablong=lablong, lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,couleurs=col2,
 method="Cluster",classe=var,legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)
 
}

####################################################
# Représentation des graphiques
####################################################

# Is there a Tk window already open ?
if(interactive())
{
 if(!exists("GeoXp.open",envir = baseenv())||length(ls(envir=.TkRoot$env, all.names=TRUE))==2)
 {
  carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj,cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
  lablong=lablong, lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,couleurs=col2,
  method="Cluster",classe=var,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)

  graphique(var1=var, obs=obs, num=3, graph="Barplot",bin=type, labvar=labvar, symbol=pch,labmod=names.arg,couleurs=col)

  assign("GeoXp.open", TRUE, envir = baseenv())
 }
 else
 {if(get("GeoXp.open",envir= baseenv()))
   {stop("Warning : a GeoXp function is already open. Please, close Tk window before calling a new GeoXp function to avoid conflict between graphics")}
  else
  {
   carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj, cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
   lablong=lablong, lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,couleurs=col2,
   method="Cluster",classe=var,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)

   graphique(var1=var, obs=obs, num=3, graph="Barplot",bin=type, labvar=labvar, symbol=pch,labmod=names.arg,couleurs=col)
   assign("GeoXp.open", TRUE, envir = baseenv())}
 }
}

####################################################
# création de la boite de dialogue to create legens
####################################################


if(interactive())
{
OnOK <- function()
{ 
tkdestroy(tt1)	
msg <- paste("Click on the map to indicate the location of the upper left corner of the legend box")
	tkmessageBox(message=msg)

dev.set(2)
loc <- locator(1)
loc$name <- names(sp.obj[,name.var])
legends<<-list(legends[[1]],TRUE,legends[[3]],loc)

carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj,cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
lablong=lablong, lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,couleurs=col2,
method="Cluster",classe=var,legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)

graphique(var1=var, obs=obs, num=3, graph="Barplot",bin=type, labvar=labvar, symbol=pch,labmod=names.arg,couleurs=col);


}

OnOK2 <- function()
{ 
legends<<-list(legends[[1]],FALSE,legends[[3]],"")
tkdestroy(tt1)	

carte(long=long, lat=lat,buble=buble, sp.obj=sp.obj,cbuble=z,criteria=criteria,nointer=nointer,obs=obs,
lablong=lablong, lablat=lablat, label=label, symbol=pch,carte=carte,nocart=nocart,couleurs=col2,
method="Cluster",classe=var,legmap=legmap,legends=legends,labmod=names.arg,axis=axes,cex.lab=cex.lab)

graphique(var1=var, obs=obs, num=3, graph="Barplot",bin=type, labvar=labvar, symbol=pch,labmod=names.arg,couleurs=col);

}


 
if(length(col)==length(levels(as.factor(var)))||length(pch)==length(levels(as.factor(var))))
{
tt1<-tktoplevel()

labelText12 <- tclVar("Do you want a legend for factors")
label12 <- tklabel(tt1,justify = "center", wraplength = "3i", text=tclvalue(labelText12))
tkconfigure(label12, textvariable=labelText12)
tkgrid(label12,columnspan=2)

point.but <- tkbutton(tt1, text="  Yes  ", command=OnOK);
poly.but <- tkbutton(tt1, text=" No ", command=OnOK2);
tkgrid(point.but, poly.but)
tkgrid(tklabel(tt1,text="    "))


tkfocus(tt1)
}

}
####################################################
# création de la boite de dialogue
####################################################

if(interactive())
{
fontheading<-tkfont.create(family="times",size=14,weight="bold")

tt <- tktoplevel()
tkwm.title(tt, "barmap")

frame1a <- tkframe(tt, relief = "groove", borderwidth = 2, background = "white")
tkpack(tklabel(frame1a, text = "Interactive selection", font = "Times 14",
foreground = "blue", background = "white"))
tkpack(tklabel(frame1a, text = "Work on the map", font = "Times 12",
foreground = "darkred", background = "white"))

point.but <- tkbutton(frame1a, text="Selection by point", command=pointfunc);
poly.but <- tkbutton(frame1a, text="Selection by polygon ", command=polyfunc);
tkpack(point.but, poly.but, side = "left", expand = "TRUE",
        fill = "x")

tkpack(frame1a, expand = "TRUE", fill = "x")

frame1c <- tkframe(tt, relief = "groove", borderwidth = 2, background = "white")
tkpack(tklabel(frame1c, text = "Work on the bar plot", font = "Times 12",
foreground = "darkred", background = "white"))
barre.but <- tkbutton(frame1c, text="  Bar  ", command=barfunc);
tkpack(barre.but, side = "left", expand = "TRUE", fill = "x")
tkpack(frame1c, expand = "TRUE", fill = "x")


frame1b <- tkframe(tt, relief = "groove", borderwidth = 2, background = "white")
nettoy.but <- tkbutton(frame1b, text="     Reset selection     " , command=SGfunc);
tkpack(nettoy.but, side = "left", expand = "TRUE", fill = "x")
tkpack(frame1b, expand = "TRUE", fill = "x")


frame2 <- tkframe(tt, relief = "groove", borderwidth = 2, background = "white")
tkpack(tklabel(frame2, text = "Options", font = "Times 14",
foreground = "blue", background = "white"))
tkpack(tklabel(frame2, text = "Spatial contours", font = "Times 11",
foreground = "darkred", background = "white"),tklabel(frame2, text = "Preselected sites", font = "Times 11",
foreground = "darkred", background = "white"), side = "left", fill="x",expand = "TRUE")
tkpack(frame2, expand = "TRUE", fill = "x")

frame2b <- tkframe(tt, relief = "groove", borderwidth = 2, background = "white")
nocou1.but <- tkbutton(frame2b, text="On/Off", command=cartfunc)
noint1.but <- tkbutton(frame2b, text="On/Off", command=fnointer)
tkpack(nocou1.but,noint1.but, side = "left", expand = "TRUE", fill = "x")
tkpack(frame2b, expand = "TRUE", fill = "x")

frame2c <- tkframe(tt, relief = "groove", borderwidth = 2, background = "white")
tkpack(tklabel(frame2c, text = "Bubbles", font = "Times 11",
foreground = "darkred", background = "white"),tklabel(frame2c, text = "Additional graph", font = "Times 11",
foreground = "darkred", background = "white"), side = "left", fill="x",expand = "TRUE")
tkpack(frame2c, expand = "TRUE", fill = "x")

frame2d <- tkframe(tt, relief = "groove", borderwidth = 2, background = "white")
bubble.but <- tkbutton(frame2d, text="On/Off", command=fbubble)
autre.but <- tkbutton(frame2d, text="     OK     " , command=graphfunc)
tkpack(bubble.but,autre.but, side = "left", expand = "TRUE", fill = "x")
tkpack(frame2d, expand = "TRUE", fill = "x")

frame3 <- tkframe(tt, relief = "groove", borderwidth = 2, background = "white")
tkpack(tklabel(frame3, text = "Exit", font = "Times 14",
foreground = "blue", background = "white"))

quit.but <- tkbutton(frame3, text="Save results", command=quitfunc2);
quit.but2 <- tkbutton(frame3, text="Exit without saving", command=quitfunc);

tkpack(quit.but, quit.but2, side = "left", expand = "TRUE",
        fill = "x")

tkpack(frame3, expand = "TRUE", fill = "x")

}

####################################################
# Fin
####################################################

return(invisible())
  }