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spt: Normalize the bucket box meta filename lengths.

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This commit is contained in:
Mathias Froehlich
2013-02-24 13:03:06 +01:00
parent 2ae7fc244b
commit 249155987d
1 changed files with 32 additions and 6 deletions
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38
simgear/scene/tgdb/BucketBox.hxx
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@@ -22,7 +22,9 @@
#include <cassert>
#include <istream>
#include <iomanip>
#include <ostream>
#include <sstream>
#include <simgear/bucket/newbucket.hxx>
#include <simgear/math/SGGeometry.hxx>
@@ -482,24 +484,48 @@ template<typename char_type, typename traits_type>
std::basic_ostream<char_type, traits_type>&
operator<<(std::basic_ostream<char_type, traits_type>& os, const BucketBox& bucketBox)
{
std::basic_stringstream<char_type, traits_type> ss;
double minSize = std::min(bucketBox.getWidthDeg(), bucketBox.getHeightDeg());
unsigned fieldPrecision = 0;
if (minSize <= 0.125) {
fieldPrecision = 3;
} else if (minSize <= 0.25) {
fieldPrecision = 2;
} else if (minSize <= 0.5) {
fieldPrecision = 1;
}
unsigned lonFieldWidth = 3;
if (fieldPrecision)
lonFieldWidth += 1 + fieldPrecision;
ss << std::fixed << std::setfill('0') << std::setprecision(fieldPrecision);
double lon = bucketBox.getLongitudeDeg();
if (lon < 0)
os << "w" << -lon;
ss << "w" << std::setw(lonFieldWidth) << -lon << std::setw(0);
else
os << "e" << lon;
ss << "e" << std::setw(lonFieldWidth) << lon << std::setw(0);
unsigned latFieldWidth = 2;
if (fieldPrecision)
latFieldWidth += 1 + fieldPrecision;
double lat = bucketBox.getLatitudeDeg();
if (lat < -90)
lat = -90;
if (90 < lat)
lat = 90;
if (lat < 0)
os << "s" << -lat;
ss << "s" << std::setw(latFieldWidth) << -lat << std::setw(0);
else
os << "n" << lat;
ss << "n" << std::setw(latFieldWidth) << lat << std::setw(0);
os << "-" << bucketBox.getWidthDeg() << "x" << bucketBox.getHeightDeg();
return os;
ss << "-" << bucketBox.getWidthDeg() << "x" << bucketBox.getHeightDeg();
return os << ss.str();
}
/// Stream inout operator.