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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
#include "feature_utils.hpp"
#include "feature_visibility.hpp"
#include "classificator.hpp"
#include "feature_data.hpp"
#include "scales.hpp"
#include "../geometry/point2d.hpp"
#include "../base/base.hpp"
#include "../std/vector.hpp"
namespace feature
{
namespace impl
{
class FeatureEstimator
{
template <size_t N>
static bool IsEqual(uint32_t t, uint32_t const (&arr)[N])
{
for (size_t i = 0; i < N; ++i)
if (arr[i] == t)
return true;
return false;
}
public:
FeatureEstimator()
{
m_TypeContinent = GetType("place", "continent");
m_TypeCountry = GetType("place", "country");
m_TypeState = GetType("place", "state");
m_TypeCounty[0] = GetType("place", "region");
m_TypeCounty[1] = GetType("place", "county");
m_TypeCity = GetType("place", "city");
m_TypeCityCapital = GetType("place", "city", "capital");
m_TypeTown = GetType("place", "town");
m_TypeVillage[0] = GetType("place", "village");
m_TypeVillage[1] = GetType("place", "suburb");
m_TypeSmallVillage[0] = GetType("place", "hamlet");
m_TypeSmallVillage[1] = GetType("place", "locality");
m_TypeSmallVillage[2] = GetType("place", "farm");
}
void CorrectScaleForVisibility(TypesHolder const & types, int & scale) const
{
pair<int, int> const scaleR = feature::DrawableScaleRangeForText(types);
ASSERT_LESS_OR_EQUAL ( scaleR.first, scaleR.second, () );
// Result types can be without visible texts (matched by category).
if (scaleR.first != -1)
{
if (scale < scaleR.first)
scale = scaleR.first;
else if (scale > scaleR.second)
scale = scaleR.second;
}
}
m2::RectD CorrectRectForScales(TypesHolder const & types, m2::RectD const & rect) const
{
int const scale = scales::GetScaleLevel(rect);
int scaleNew = scale;
CorrectScaleForVisibility(types, scaleNew);
return ((scale != scaleNew) ? scales::GetRectForLevel(scaleNew, rect.Center(), 1.0) : rect);
}
m2::RectD GetViewport(TypesHolder const & types, m2::RectD const & limitRect) const
{
if (types.GetGeoType() != feature::GEOM_POINT)
return CorrectRectForScales(types, limitRect);
int const upperScale = scales::GetUpperScale();
int scale = upperScale;
for (size_t i = 0; i < types.Size(); ++i)
scale = min(scale, GetScaleForType(types[i]));
CorrectScaleForVisibility(types, scale);
return scales::GetRectForLevel(scale, limitRect.Center(), 1.0);
}
uint8_t GetSearchRank(TypesHolder const & types, m2::PointD const & pt, uint32_t population) const
{
for (size_t i = 0; i < types.Size(); ++i)
{
if (IsEqual(types[i], m_TypeSmallVillage))
population = max(population, static_cast<uint32_t>(100));
else if (IsEqual(types[i], m_TypeVillage))
population = max(population, static_cast<uint32_t>(1000));
else if (types[i] == m_TypeTown || IsEqual(types[i], m_TypeCounty))
population = max(population, static_cast<uint32_t>(10000));
else if (types[i] == m_TypeState)
{
m2::RectD usaRects[] = {
// Continental part of USA
m2::RectD(-125.73195962769162293, 25.168771674082393019,
-66.925073086214325713, 56.956377399113392812),
// Alaska
m2::RectD(-151.0, 63.0, -148.0, 66.0),
// Hawaii
m2::RectD(-179.3665041396082529, 17.740790096801504205,
-153.92127500280855656, 31.043358939740215874),
// Canada
m2::RectD(-141.00315086636985029, 45.927730040557435132,
-48.663019303849921471, 162.92387487639103938)
};
bool isUSA = false;
for (size_t i = 0; i < ARRAY_SIZE(usaRects); ++i)
if (usaRects[i].IsPointInside(pt))
{
isUSA = true;
break;
}
if (isUSA)
{
//LOG(LINFO, ("USA state population = ", population));
// Get rank equal to city for USA's states.
population = max(population, static_cast<uint32_t>(500000));
}
else
{
//LOG(LINFO, ("Other state population = ", population));
// Reduce rank for other states.
population = population / 10;
population = max(population, static_cast<uint32_t>(10000));
population = min(population, static_cast<uint32_t>(500000));
}
}
else if (types[i] == m_TypeCity)
population = max(population, static_cast<uint32_t>(500000));
else if (types[i] == m_TypeCityCapital)
population = max(population, static_cast<uint32_t>(1000000));
else if (types[i] == m_TypeCountry)
population = max(population, static_cast<uint32_t>(2000000));
else if (types[i] == m_TypeContinent)
population = max(population, static_cast<uint32_t>(20000000));
}
return static_cast<uint8_t>(log(double(population)) / log(1.1));
}
private:
// Returns width and height (lon and lat) for a given type.
int GetScaleForType(uint32_t const type) const
{
if (type == m_TypeContinent)
return 2;
/// @todo Load countries bounding rects.
if (type == m_TypeCountry)
return 4;
if (type == m_TypeState)
return 6;
if (IsEqual(type, m_TypeCounty))
return 7;
if (type == m_TypeCity || type == m_TypeCityCapital)
return 9;
if (type == m_TypeTown)
return 9;
if (IsEqual(type, m_TypeVillage))
return 12;
if (IsEqual(type, m_TypeSmallVillage))
return 14;
return scales::GetUpperScale();
}
static uint32_t GetType(string const & s1,
string const & s2 = string(),
string const & s3 = string())
{
vector<string> path;
path.push_back(s1);
if (!s2.empty()) path.push_back(s2);
if (!s3.empty()) path.push_back(s3);
return classif().GetTypeByPath(path);
}
uint32_t m_TypeContinent;
uint32_t m_TypeCountry;
uint32_t m_TypeState;
uint32_t m_TypeCounty[2];
uint32_t m_TypeCity;
uint32_t m_TypeCityCapital;
uint32_t m_TypeTown;
uint32_t m_TypeVillage[2];
uint32_t m_TypeSmallVillage[3];
};
FeatureEstimator const & GetFeatureEstimator()
{
static FeatureEstimator const featureEstimator;
return featureEstimator;
}
} // namespace feature::impl
m2::RectD GetFeatureViewport(TypesHolder const & types, m2::RectD const & limRect)
{
return impl::GetFeatureEstimator().GetViewport(types, limRect);
}
uint8_t GetSearchRank(TypesHolder const & types, m2::PointD const & pt, uint32_t population)
{
return impl::GetFeatureEstimator().GetSearchRank(types, pt, population);
}
} // namespace feature
|