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
|
/*
* The MIT License
*
* Wavefront Alignment Algorithms
* Copyright (c) 2017 by Santiago Marco-Sola <santiagomsola@gmail.com>
*
* This file is part of Wavefront Alignment Algorithms.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* PROJECT: Wavefront Alignment Algorithms
* AUTHOR(S): Santiago Marco-Sola <santiagomsola@gmail.com>
*/
#include "utils/commons.h"
#include "heatmap.h"
/*
* Constants
*/
#define HEATMAP_INT_MIN INT_MIN
#define HEATMAP_INT_MAX INT_MAX
#define HEATMAP_SEPARATOR ','
/*
* Setup
*/
heatmap_t* heatmap_new(
const heatmap_type type,
const int min_v,
const int max_v,
const int min_h,
const int max_h,
const int resolution_points) {
// Alloc
heatmap_t* const heatmap = (heatmap_t*)malloc(sizeof(heatmap_t));
// Configure
heatmap->type = type;
heatmap->min_v = min_v;
heatmap->max_v = max_v;
heatmap->min_h = min_h;
heatmap->max_h = max_h;
// Binning (mantain aspect ratio)
const int v_range = (max_v-min_v+1);
const int h_range = (max_h-min_h+1);
const int max_range = MAX(v_range,h_range);
if (max_range <= resolution_points) {
heatmap->binning_factor = 1.0f;
heatmap->num_rows = v_range;
heatmap->num_columns = h_range;
} else {
heatmap->binning_factor = (float)max_range/(float)resolution_points;
heatmap->num_rows = (float)v_range/heatmap->binning_factor;
heatmap->num_columns = (float)h_range/heatmap->binning_factor;
}
// Allocate matrix
heatmap->values = (int**)malloc(heatmap->num_rows*sizeof(int*));
int i;
for (i=0;i<heatmap->num_rows;++i) {
heatmap->values[i] = (int*)malloc(heatmap->num_columns*sizeof(int)); // Allocate row
}
// Clear
heatmap_clear(heatmap);
// Return
return heatmap;
}
void heatmap_clear(
heatmap_t* const heatmap) {
// Parameters
const heatmap_type type = heatmap->type;
const int num_rows = heatmap->num_rows;
const int num_columns = heatmap->num_columns;
// Clear values
int i, j;
for (i=0;i<num_rows;++i) {
switch (type) {
case heatmap_min: {
for (j=0;j<num_columns;++j) heatmap->values[i][j] = HEATMAP_INT_MAX;
break;
}
case heatmap_max:
case heatmap_value:
default: {
for (j=0;j<num_columns;++j) heatmap->values[i][j] = HEATMAP_INT_MIN;
break;
}
}
}
}
void heatmap_delete(
heatmap_t* const heatmap) {
int i;
for (i=0;i<heatmap->num_rows;++i) {
free(heatmap->values[i]);
}
free(heatmap->values);
free(heatmap);
}
/*
* Accessors
*/
void heatmap_set(
heatmap_t* const heatmap,
const int v,
const int h,
const int value) {
// Paramters
const int num_rows = heatmap->num_rows;
const int num_columns = heatmap->num_columns;
// Check position
if (v<heatmap->min_v || v>heatmap->max_v) return;
if (h<heatmap->min_h || h>heatmap->max_h) return;
// Adjust position into binning
int v_adjusted = (float)(v - heatmap->min_v) / heatmap->binning_factor;
int h_adjusted = (float)(h - heatmap->min_h) / heatmap->binning_factor;
if (v_adjusted >= num_rows) v_adjusted = num_rows-1;
if (h_adjusted >= num_columns) h_adjusted = num_columns-1;
// Set value
switch (heatmap->type) {
case heatmap_min:
heatmap->values[v_adjusted][h_adjusted] = MIN(heatmap->values[v_adjusted][h_adjusted],value);
break;
case heatmap_max:
heatmap->values[v_adjusted][h_adjusted] = MAX(heatmap->values[v_adjusted][h_adjusted],value);
break;
case heatmap_value:
default:
heatmap->values[v_adjusted][h_adjusted] = value;
break;
}
}
/*
* Display
*/
void heatmap_print(
FILE* const stream,
heatmap_t* const heatmap) {
// Parameters
const int num_rows = heatmap->num_rows;
const int num_columns = heatmap->num_columns;
// Print values
int v, h;
for (v=0;v<num_rows;++v) {
for (h=0;h<num_columns;++h) {
if (h>0) fprintf(stream,"%c",HEATMAP_SEPARATOR);
const int value = heatmap->values[v][h];
if (value == HEATMAP_INT_MIN || value == HEATMAP_INT_MAX) {
fprintf(stream,"-1");
} else {
fprintf(stream,"%d",value);
}
}
fprintf(stream,"\n");
}
}
|
