R/pihm.animation.R

In happynotes/PIHM.AnalysisR:

#' PIHM Analysis project.
#' Developed by Lele Shu( lele.shu at gmail.com  lzs157 at psu.edu ) 
#' Created by Wed Apr 15 20:25:45 EDT 2015
#' =============================================
#'  Current version is for PIHM-MF or PIHM v2.4;
#' 
#' 
#' =============================================
#' @param  Path of output folder.
#' @keywords read output
#' @export  output dat.
#' @examples
#' PIHM()

PIHM.AnimationMap<-function(data,range=0,dt=0,terrain=FALSE,name=deparse(substitute(data)),zratio=0,dist=0,fn=paste0(name,'2Dmap.png'),path=Resultpath,title=name,colorFUN=terrain.colors,
                     Hlim, colorreverse=FALSE , ngrids=200,riveron=RIVERON,
                     gif=TRUE, addcontour=FALSE, D3D=FALSE){

    if(range[1] ==0){
        nt = nrow(data)
    }else{
        nt=length(range)
    }
    if(dt==0){
        dt=round(nt/10)
        if(dt <=0) dt=1;
    }
    ts = seq(from = 1, to=nt, by =dt) 
    dat =data[ts,]
    tstime= time(dat)
    Hlim=range(dat,na.rm=TRUE)
    if (terrain){
        mesh <- readmesh(shp=FALSE, bak=TRUE);
        msh <- mesh$mesh;
        pts <- mesh$points;
        z=(pts[msh[,2],4]+pts[msh[,3],4]+pts[msh[,4],4])/3;
        Hlim = Hlim + range(z,na.rm=TRUE)
    }
    fns = paste0(name,strftime(tstime, format='%Y%m%d'), '.png')
    N=length(tstime)
    for (i in 1:N){
        iname = paste(name,tstime[i]);
        ifn= fns[i]
        message('file=',ifn);
        if(D3D){
            PIHM.3Dmap(dat[i,],terrain=terrain,name=iname,dist=dist,fn=ifn,path=path,title=title,colorFUN=colorFUN,
                           Hlim=Hlim, colorreverse=colorreverse ,
                           ngrids=ngrids,riveron=riveron);

        }else{
            PIHM.mapraster(dat[i,],terrain=terrain,name=iname,dist=dist,fn=ifn,path=path,title=title,
                           colorFUN=colorFUN,if.save=TRUE,
                       Hlim=Hlim, colorreverse=colorreverse ,
                       ngrids=ngrids,riveron=riveron,addcontour=addcontour);
        }
    }
    if(gif){
    system (paste('convert -delay 50 -loop 0 ',
              paste0(path, '/',paste0(name,'*.png')),
              file.path(path, paste0(name, tstime[1],'_', tstime[N], ".gif") )
              ) )  
    }
        
}