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1-MiniHidroPowerSinMascaras3.R
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# MinihidroPower
# Calculation of MHP potential
# Coded by: Gerardo Alcal'a
# Universidad Veracruzana
# First Version December 19 2018
# Updated December 09 2019
####I. Procesos Iniciales
{
graphics.off()
remove(list=ls())
##setwd("C:/Users/Gerardo Alcalá/Desktop/MiniHidro")
setwd(Sys.getenv("PWD"))
library(sp)
library(raster)
library(rgeos)
library(rgdal)
library(tools)
library(gdistance)
radIntake <- 2200
radTurbina <- 2000
print(paste0("radIntake: ",radIntake," radTurbina: ",radTurbina))
}
###II. Raster y Vectoriales
{
## Leer Rasters y Vectoriales
RasRio <- brick("A-RasterRio.tif")
RasDEM <- raster("B-RasterDEM.tif")
## Homologar Proyecci?n
RasRio <- projectRaster(RasRio,RasDEM)
## Homologar Extension
RasRio <- crop(RasRio,RasDEM)
## Nombres Atributo
names(RasRio) <- c("ID","Gasto","Base","Entrada","Salida")
names(RasDEM) <- "Altura"
}
###III. Malla de puntos
{
## a. Puntos Rio (Points from Raster)
SPPointsRio <- as(RasRio,"SpatialPointsDataFrame")
SPPointsRio <- extract(RasDEM,SPPointsRio,sp=TRUE)
## b. Raster MHP (Variables Calculadas)
RasMHP <- RasDEM
RasMHP$PotenciakW <- NA
RasMHP$GastoMax <- 0
RasMHP$HMax <- 0
RasMHP$xTurbina <- NA
RasMHP$yTurbina <- NA
RasMHP$zTurbina <- NA
RasMHP$BaseTurbina <- NA
RasMHP$xIntake <- NA
RasMHP$yIntake <- NA
RasMHP$zIntake <- NA
RasMHP$BaseIntake <- NA
## c. Raster MHP a Malla de Puntos (OJO! Celdas con puro NA's no generan punto)
SPPointsGrid <- as(RasDEM,"SpatialPointsDataFrame")
if(length(SPPointsGrid)!=ncell(RasMHP)) {
cat("Error, hay celdas del Raster con puro NA's")
stop("FIN")
} else {
cat("No hay NA's en el Raster: El programa puede seguir\n")
}
}
###IV. Funcion de NumCruces. Intersecta Linea Recta con Rio (Sitios Radio)
fNumCruces <- function(NumCoordsRioRadiox,NumCoordsRioRadioy,NumCoordPiletaix,NumCoordPiletaiy)
{
Numxc <- c(NumCoordsRioRadiox, NumCoordPiletaix)
Numyc <- c(NumCoordsRioRadioy, NumCoordPiletaiy)
Matxyc <- cbind(Numxc,Numyc)
SLLineaRecta <- spLines(Matxyc,crs=crs(RasMHP))
SPolLineaRecta <- buffer(SLLineaRecta, width=res(RasMHP)[1]*0.75)
InterCruces <- intersect(SPPointsRioRadio,SPolLineaRecta)
NumCruces <- dim(InterCruces)[1]
}
##x11()
##plot(RasDEM)
##plot(SPPointsRio,col='blue',add=TRUE,pch=19,cex=0.1)
##mult <- 5000
##############################################
###VII INICIA CICLO POR EL GRID
library(doParallel)
##cores=Sys.getenv("SLURM_NTASKS_PER_NODE")
cores=2
print(paste0("Running program with : ",cores[1]," cores."))
print(paste0("Grid size : ",length(SPPointsGrid)))
cl <- makeCluster(cores[1],outfile="")
registerDoParallel(cl)
## for (i in c(1,50000,100000,250000,350000,450000,550000,600000,700000,850000,900000,1050000,1100000,1250000,1300000,1400000,1500000,1600000,1700000,1800000,1900000,2000000,2100000,2200000,2300000)) {
## foreach(i=1:600000) %dopar% {
## foreach(i=c(1,50000,100000,250000,350000,450000,550000,600000,700000,850000,900000,1050000,1100000,1250000,1300000,1400000,1500000,1600000,1700000,1800000,1900000,2000000,2100000,2200000,2300000)) %do% {
ptime <- system.time({
##foreach(i=1:length(SPPointsGrid)) %dopar% {
test <- foreach(i=c(1,50000,100000,250000,350000,450000,550000,600000,700000,850000,900000,1050000,1100000,1250000,1300000,1400000,1500000,1600000,1700000,1800000,1900000,2000000,2100000,2200000,2300000),.combine=rbind) %dopar% {
PotenciakW <-0
HMax <- 0
GastoMax <- 0
NumCruces <- 0
xTurbina <- 0
yTurbina <- 0
zTurbina <- 0
BaseTurbina <- 0
xIntake <- 0
yIntake <- 0
zIntake <- 0
BaseIntake <- 0
library(sp)
library(raster)
sink("log.txt", append=TRUE)
cat(paste("Starting iteration",i,"\n"))
sink()
### PILETA ###
###1. Inicio: Ubicar la pileta
##if((i/mult)%%1==0){cat("\n Punto", i ,"de",length(SPPointsGrid),"\n")}
SPPointPiletai <- SPPointsGrid[i,]
hi <- SPPointPiletai$Altura
## Coordenadas Pileta (punto actual sobre el DEM)
NumCoordPiletaix <- SPPointPiletai@coords[1]
NumCoordPiletaiy <- SPPointPiletai@coords[2]
##plot(SPPointPiletai,pch=19,col='red',add=TRUE,cex=0.7)
###2. Si rio esta fuera del radio de la Pileta (NEXT)
## a. Crear buffer para Intake y Turbina
SPolRadio <- buffer(SPPointPiletai, width=radTurbina)
SPolRadio2 <- buffer(SPPointPiletai, width=radIntake)
SPPointsRioRadio <- intersect(SPPointsRio,SPolRadio)
SPPointsRioRadio2 <- intersect(SPPointsRio,SPolRadio2)
## b. Verificar si se intersecta el rio, sino terminar Iteracion
if(length(SPPointsRioRadio)==0 | length(SPPointsRioRadio2)==0) {
##SPPointsGrid$PotenciakW[i] <- 0
PotenciakW <- 0
if(length(SPPointsRioRadio)==0){
##SPPointsGrid$HMax[i] <- 0
HMax <- 0
##cat("\n Paso2. Turbina Fuera del Alcance: Hmax =0 ",i)
}
if(length(SPPointsRioRadio2)==0){
##SPPointsGrid$GastoMax[i] <- 0
GastoMax <- 0
##cat("\n Paso2. Intake Fuera del Alcance: Qmax =0",i)
}
##plot(SPPointPiletai,pch=4,col='black',add=TRUE,cex=0.6)
##next
} else {
###3 TURBINA ###
## a. Sitios con menor y mayor altura a la Pileta (else NEXT)
k1 <- which(SPPointsRioRadio$Altura+4 < SPPointPiletai$Altura)
j1 <- which(hi+3<SPPointsRioRadio2$Altura)
## b. En caso que no haya sitios mas bajos o altos que la pileta
if(length(k1)==0 | length(j1)==0) {
##SPPointsGrid$PotenciakW[i] <- 0
PotenciakW <- 0
if(length(k1) ==0){
##SPPointsGrid$HMax[i] <- 0
HMax <- 0
##cat("\n Paso3. No hay sitios mas bajos que la pileta: Hmax=0",i)
}
if(length(j1) ==0){
##SPPointsGrid$GastoMax[i] <- 0
GastoMax <- 0
##cat("\n Paso3. No hay sitios mas altos que la pileta: Qmax=0",i)
}
##plot(SPPointPiletai,pch=4,col='black',add=TRUE,cex=0.6)
##next
} else {
###4. Localizacion de la Turbina
## a. Cruces Turbina
SPPointsTurbina <- SPPointsRioRadio[k1,]
NumCoordsTurbinax <- SPPointsTurbina@coords[,1]
NumCoordsTurbinay <- SPPointsTurbina@coords[,2]
##print(paste0("point",i,"coords",length(NumCoordsTurbinax)))
##SPPointsTurbina$NumCruces <- mapply(fNumCruces,NumCoordsTurbinax,NumCoordsTurbinay,NumCoordPiletaix,NumCoordPiletaiy)
##k2 <- which(SPPointsTurbina$NumCruces ==1)
NumCruces <- mapply(fNumCruces,NumCoordsTurbinax,NumCoordsTurbinay,NumCoordPiletaix,NumCoordPiletaiy)
k2 <- which(NumCruces ==1)
if(length(k2) == 0) {
##SPPointsGrid$PotenciakW[i] <- 0;
PotenciakW <- 0
##SPPointsGrid$HMax[i] <- 0;
HMax <- 0
##plot(SPPointPiletai,pch=4,col='black',add=TRUE,cex=0.6)
##cat("\n Paso3. No hay ruta Turbina que toque 1 sola vez al rio: Hmax=0",i)
##next
} else {
## b.
SPPointsTurbinaUnCruce <- SPPointsTurbina[k2,]
k3 <- which.min(SPPointsTurbinaUnCruce$Altura)
## Posicion con menor altura sin obstaculos
SPPointTurb <- SPPointsTurbinaUnCruce[k3[1],]
## c. Gradiente de altura maximo
HTurb <- SPPointTurb$Altura
##HMax <- hi-HTurb
## d. Guardamos Gradiente Altura maxima
##SPPointsGrid$HMax[i] <- HMax
HMax <- hi-HTurb
## e. Guardamos la coordenada de la turbina
## SPPointsGrid$xTurbina[i] <- SPPointTurb@coords[1]
## SPPointsGrid$yTurbina[i] <- SPPointTurb@coords[2]
## SPPointsGrid$zTurbina[i] <- HTurb
## SPPointsGrid$BaseTurbina[i] <- SPPointTurb$Base
xTurbina <- SPPointTurb@coords[1]
yTurbina <- SPPointTurb@coords[2]
zTurbina <- HTurb
BaseTurbina <- SPPointTurb$Base
###5. Ruta Recta de la Turbina (Para Graficar)
## if((i/(10*mult))%%1==0) {
#Numxc <- c(SPPointTurb@coords[1], SPPointPiletai@coords[1])
#Numyc <- c(SPPointTurb@coords[2], SPPointPiletai@coords[2])
#Matxyc <- cbind(Numxc,Numyc)
#SLTurbinai <- spLines(Matxyc,crs=crs(RasDEM)) # SpatialLinea
## }
###6. Graficas Turbina
##plot(SPolRadio,border='orange',pch=19,add=TRUE)
##plot(SPPointTurb,col='red',pch=19,add=TRUE)
##lines(SLTurbinai,col='orange',lwd=2)
### DESVIACION ###
###7. El Intake pertenece a la misma rama del rio (else NEXT)
j2 <- (SPPointsRioRadio2$Base==SPPointTurb$Base | SPPointsRioRadio2$Salida==SPPointTurb$Entrada)
SPPointsMismaRamaIntake <- SPPointsRioRadio2[j2,]
###8. Sitios con mayor altura que la pileta (else NEXT)
j3 <- which(hi+3<SPPointsMismaRamaIntake$Altura)
if(length(j3)==0) {
## Guardamos Gasto Maximo
QMax <- 0
##SPPointsGrid$GastoMax[i] <- QMax;
GastoMax <- QMax
##SPPointsGrid$PotenciakW[i] <- 0
PotenciakW <- 0
##plot(SPPointPiletai,pch=4,col='black',add=TRUE,cex=0.6)
##cat("\n Paso9. El intake no tiene altura suficiente: Gasto=0",i)
##next
} else {
###9. Localizacion de Intake
## a. Cruces Intake
SPPointsIntake <- SPPointsMismaRamaIntake[j3,]
NumCoordsIntakex <- SPPointsIntake@coords[,1]
NumCoordsIntakey <- SPPointsIntake@coords[,2]
##SPPointsIntake$NumCruces <- mapply(fNumCruces,NumCoordsIntakex,NumCoordsIntakey,NumCoordPiletaix,NumCoordPiletaiy)
##j4 <- which(SPPointsIntake$NumCruces ==1)
NumCruces <- mapply(fNumCruces,NumCoordsIntakex,NumCoordsIntakey,NumCoordPiletaix,NumCoordPiletaiy)
j4 <- which(NumCruces ==1)
if(length(j4) ==0) {
##SPPointsGrid$PotenciakW[i] <- 0;
PotenciakW <- 0
##SPPointsGrid$GastoMax[i] <- 0;
GastoMax <- 0
##plot(SPPointPiletai,pch=4,col='black',add=TRUE,cex=0.6)
##cat("\n Paso3. No hay ruta Intake que toque 1 sola vez al rio: Hmax=0",i)
##next
} else{
SPPointsIntakeUnCruce <- SPPointsIntake[j4,]
## b. Localizacion Intake
j4 <- which.max(SPPointsIntakeUnCruce$Gasto)
SPPointIntakei <- SPPointsIntakeUnCruce[j4[1],] # Posicion con mayor gasto sin obstaculos
## c. Guardamos Gasto Maximo
QMax <- SPPointIntakei$Gasto
##SPPointsGrid$GastoMax[i] <- QMax
GastoMax <- QMax
## d. Guardamos puntos el Intake
## SPPointsGrid$xIntake[i] <- SPPointIntakei@coords[1]
## SPPointsGrid$yIntake[i] <- SPPointIntakei@coords[2]
## SPPointsGrid$zIntake[i] <- SPPointIntakei$Altura
## SPPointsGrid$BaseIntake[i] <- SPPointIntakei$Base
xIntake <- SPPointIntakei@coords[1]
yIntake <- SPPointIntakei@coords[2]
zIntake <- SPPointIntakei$Altura
BaseIntake <- SPPointIntakei$Base
###10. Linea Intake Pilet
## if((i/(10*mult))%%1==0) {
## Numxc <- c(SPPointIntakei@coords[1], SPPointPiletai@coords[1])
## Numyc <- c(SPPointIntakei@coords[2], SPPointPiletai@coords[2])
## Matxyc <- cbind(Numxc,Numyc)
## SLIntakei <- spLines(Matxyc,crs=crs(RasDEM)) # SpatialLinea
## }
###11. Graficas
##plot(SPolRadio2,add=TRUE,border='black')
##plot(SPPointIntakei,add=TRUE,pch=19,col='yellow')
##lines(SLIntakei,col='yellow',lwd=2)
### POTENCIA ###
###12. Asignacion PotenciakW
##SPPointsGrid$PotenciakW[i] <- 1000*9.81*QMax*HMax/1000
PotenciakW <- 1000*9.81*QMax*HMax/1000
}
}
}
}
}
return(data.frame("index"=i,"PotenciakW"=PotenciakW,"HMax"=HMax,"GastoMax"=GastoMax,"xTurbina"=xTurbina,"yTurbina"=yTurbina,"zTurbina"=zTurbina,"BaseTurbina"=BaseTurbina,"xIntake"=xIntake,"yIntake"=yIntake,"zIntake"=zIntake,"BaseIntake"=BaseIntake))
}
})[3]
stopCluster(cl)
ptime
#### Termina Ciclo for del grid
##################################
### FIN CICLO POR TODO EL GRID ###
##16. Guardar Raster
{
SPPointsGrid$index <- 1:length(SPPointsGrid)
SPPointsGrid <- merge(SPPointsGrid,test)
##View(SPPointsGrid@data)
RasFinal <- raster(SPPointsGrid,ncol=ncol(RasMHP),nrow=nrow(RasMHP),ext=extent(RasMHP),res=res(RasMHP),crs=crs(RasMHP))
RasFinal$PotenciakW <- SPPointsGrid$PotenciakW # 1
RasFinal$Altura <- SPPointsGrid$Altura # 2
RasFinal$GastoMax <- SPPointsGrid$GastoMax # 3
RasFinal$HMax <- SPPointsGrid$HMax # 4
RasFinal$xTurbina <- SPPointsGrid$xTurbina # 5
RasFinal$yTurbina <- SPPointsGrid$yTurbina # 6
RasFinal$zTurbina <- SPPointsGrid$zTurbina # 7
RasFinal$BaseTurbina <- SPPointsGrid$BaseTurbina # 8
RasFinal$xIntake <- SPPointsGrid$xIntake # 9
RasFinal$yIntake <- SPPointsGrid$yIntake # 10
RasFinal$zIntake <- SPPointsGrid$zIntake # 11
RasFinal$BaseIntake <- SPPointsGrid$BaseIntake # 12
RasFinal$RadioTurbina <- radTurbina # 13
RasFinal$RadioIntake <- radIntake # 14
RasFinal <- brick(RasFinal)
## Con todas las columnas de Atributos
x <- writeRaster(RasFinal, '1-RasterMHP.tif', overwrite=TRUE)
dffinal <- data.frame(SPPointsGrid)
archivof1 <- paste("DatosMHP.csv",sep="")
write.csv(dffinal, file = archivof1,row.names=FALSE)
##View(dffinal)
##x11()
##plot(RasFinal$PotenciakW)
##plot(SPPointsRio, col='blue', add=TRUE)
}