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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
//----------------------------------------------------------------------------//
/*
* Copyright (c) 2009 Sony Pictures Imageworks
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution. Neither the name of Sony Pictures Imageworks nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
//----------------------------------------------------------------------------//
#include <vector>
#include <boost/lexical_cast.hpp>
#include <Field3D/SparseField.h>
#include <Field3D/SparseFile.h>
#include <Field3D/Field3DFile.h>
#include <Field3D/FieldInterp.h>
#include <Field3D/InitIO.h>
#include <Field3D/Log.h>
//----------------------------------------------------------------------------//
using namespace boost;
using namespace std;
using namespace Field3D;
//----------------------------------------------------------------------------//
//! Converts any class with operator<< to a string using boost::lexical_cast
template <class T>
std::string str(const T& t)
{
return boost::lexical_cast<std::string>(t);
}
//----------------------------------------------------------------------------//
int main(int argc, char **argv)
{
std::string filename("test_file.f3d");
std::string attribName("attrib");
// Initialize IO
initIO();
int numFields = 5;
if (argc == 2) {
try {
numFields = lexical_cast<int>(argv[1]);
}
catch (boost::bad_lexical_cast &e) {
Msg::print("Couldn't parse integer number. Aborting");
exit(1);
}
} else {
// No voxel res given
Msg::print("Usage: " + str(argv[0]) +
" <num_fields>");
Msg::print("Got no number of fields. Using default.");
}
// Create fields ---
Msg::print("Creating " + str(numFields) + " fields");
SparseFieldf::Vec fields;
for (int i = 0; i < numFields; i++) {
// Create
SparseFieldf::Ptr field(new SparseFieldf);
field->setSize(V3i(128));
field->name = str(i);
field->attribute = attribName;
// Fill with values
SparseFieldf::iterator fi = field->begin(), fend = field->end();
for (; fi != fend; ++fi) {
*fi = i;
}
fields.push_back(field);
}
// Write fields ---
Msg::print("Writing fields");
Field3DOutputFile out;
out.create(filename);
for (int i = 0; i < numFields; i++) {
out.writeScalarLayer<float>(fields[i]);
}
// Read with dynamic loading ---
Msg::print("Reading fields");
SparseFileManager::singleton().setLimitMemUse(true);
Field<float>::Vec loadedFields;
Field3DInputFile in;
in.open(filename);
for (int i = 0; i < numFields; i++) {
Field<float>::Vec fields = in.readScalarLayers<float>(str(i), attribName);
if (fields.size() != 1) {
Msg::print("Got the wrong # of fields. Aborting.");
exit(1);
}
loadedFields.push_back(fields[0]);
}
// Compare fields ---
Msg::print("Comparing fields");
FIELD3D_RAND48 rng(10512);
Msg::print(" Mem use before access: ");
for (int i = 0; i < numFields; i++) {
Msg::print(" Field " + str(i) + " : " +
str(fields[i]->memSize()));
Msg::print(" Loaded field " + str(i) + ": " +
str(loadedFields[i]->memSize()));
}
LinearFieldInterp<float> interp;
for (int sample = 0; sample < 1000; sample++) {
V3d lsP(rng.nextf(), rng.nextf(), rng.nextf()), vsP;
for (int i = 0; i < numFields; i++) {
fields[i]->mapping()->localToVoxel(lsP, vsP);
float value = interp.sample(*fields[i], vsP);
float loadedValue = interp.sample(*loadedFields[i], vsP);
if (value != loadedValue) {
Msg::print("Got a bad value at " + str(vsP));
exit(1);
}
}
}
Msg::print(" Mem use after access: ");
for (int i = 0; i < numFields; i++) {
Msg::print(" Field " + str(i) + " : " +
str(fields[i]->memSize()));
Msg::print(" Loaded field " + str(i) + ": " +
str(loadedFields[i]->memSize()));
}
}
//----------------------------------------------------------------------------//
|
