forked from dtarb/TauDEM
-
Notifications
You must be signed in to change notification settings - Fork 0
/
EditRaster.cpp
169 lines (135 loc) · 4.41 KB
/
EditRaster.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/* Edit Raster function to edit grid cell values and make minor changes where necessary.
David Tarboton
Utah State University
November 24 2016
*/
/* Copyright (C) 2016 David Tarboton, Utah State University
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2, 1991 as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
A copy of the full GNU General Public License is included in file
gpl.html. This is also available at:
http://www.gnu.org/copyleft/gpl.html
or from:
The Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
If you wish to use or incorporate this program (or parts of it) into
other software that does not meet the GNU General Public License
conditions contact the author to request permission.
David G. Tarboton
Utah State University
8200 Old Main Hill
Logan, UT 84322-8200
USA
http://www.engineering.usu.edu/dtarb/
email: dtarb@usu.edu
*/
// This software is distributed from http://hydrology.usu.edu/taudem/
#include <mpi.h>
#include <math.h>
#include "commonLib.h"
#include "linearpart.h"
#include "createpart.h"
#include "tiffIO.h"
#include <stack>
using namespace std;
/*********************************************************************/
int readline(FILE *fp, char *fline)
{
int i = 0, ch;
for (i = 0; i< MAXLN; i++)
{
ch = getc(fp);
if (ch == EOF) { *(fline + i) = '\0'; return(EOF); }
else *(fline + i) = (char)ch;
if ((char)ch == '\n') { *(fline + i) = '\0'; return(0); }
}
return(1);
}
int editraster(char *rasterfile, char *newfile, char *changefile)
{
MPI_Init(NULL,NULL);{
//Only used for timing
int rank,size;
MPI_Comm_rank(MCW,&rank);
MPI_Comm_size(MCW,&size);
if(rank==0)printf("Editraster version %s\n",TDVERSION);
double begin,end;
//Create tiff object, read and store header info
tiffIO rasterIO(rasterfile , SHORT_TYPE);
long totalX = rasterIO.getTotalX();
long totalY = rasterIO.getTotalY();
double dxA = rasterIO.getdxA();
double dyA = rasterIO.getdyA();
if(rank==0)
{
float timeestimate=(1e-7*totalX*totalY/pow((double) size,1))/60+1; // Time estimate in minutes
//fprintf(stderr,"This run may take on the order of %.0f minutes to complete.\n",timeestimate);
fprintf(stderr,"Time estimate not available.\n");
fflush(stderr);
}
//Create partition and read data
tdpartition *rasterData;
rasterData = CreateNewPartition(rasterIO.getDatatype(), totalX, totalY, dxA, dyA, rasterIO.getNodata());
int nx = rasterData->getnx();
int ny = rasterData->getny();
int xstart, ystart;
rasterData->localToGlobal(0, 0, xstart, ystart);
rasterIO.read(xstart, ystart, ny, nx, rasterData->getGridPointer());
//Begin timer
begin = MPI_Wtime();
//Create empty partition to store new information
tdpartition *newvals;
newvals = CreateNewPartition(SHORT_TYPE, totalX, totalY, dxA, dyA, (int16_t)-32768);
// replicate
for (long j = 0; j < ny; j++) {
for (long i = 0; i < nx; i++) {
if (rasterData->isNodata(i, j)) newvals->setToNodata(i, j);
else {
short tempshort;
newvals->setData(i, j, rasterData->getData(i, j, tempshort));
}
}
}
// read values to change
FILE *fp;
fp = fopen(changefile, "r");
char headers[MAXLN];
readline(fp, headers);
stack<float> xs, ys;
stack<short> vals;
double x, y;
short val;
int n = 0;
while (fscanf(fp, "%lf,%lf,%d", &x, &y, &val) == 3)
{
int32_t gx, gy, tx, ty;
rasterIO.geoToGlobalXY(x,y, gx, gy);
rasterData->globalToLocal(gx, gy, tx, ty);
if (rasterData->isInPartition(tx, ty))
{
printf("Process: %d changing %lf, %lf, %d\n",rank,x,y,val);
fflush(stdout);
newvals->setData(tx, ty, val);
}
}
//Stop timer
end = MPI_Wtime();
double compute, temp;
compute = end-begin;
MPI_Allreduce (&compute, &temp, 1, MPI_DOUBLE, MPI_SUM, MCW);
compute = temp/size;
if( rank == 0)
printf("Compute time: %f\n",compute);
//Create and write TIFF file
short aNodata = -32768;
tiffIO newIO(newfile, SHORT_TYPE, aNodata, rasterIO);
newIO.write(xstart, ystart, ny, nx, newvals->getGridPointer());
//Brackets force MPI-dependent objects to go out of scope before Finalize is called
}MPI_Finalize();
return 0;
}