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Taxiway signs: support all variants from the apt.dat 850 spec and

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read size values from the optional stg column
This commit is contained in:
Christian Schmitt
2012-05-12 22:55:06 +02:00
parent ec22623f1c
commit b10a40ff8d
3 changed files with 53 additions and 22 deletions
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7
simgear/scene/tgdb/ReaderWriterSTG.cxx
View File

@@ -288,7 +288,12 @@ ReaderWriterSTG::readStgFile(const std::string& absoluteFileName,
}
} else if ( token == "OBJECT_SIGN" ) {
signBuilder.addSign(SGGeod::fromDegM(lon, lat, elev), hdg, name);
int size(-1);
if ( hasOptionalValue(in) ){
in >> size;
}
signBuilder.addSign(SGGeod::fromDegM(lon, lat, elev), hdg, name, size);
} else {
SG_LOG( SG_TERRAIN, SG_ALERT, absoluteFileName
<< ": Unknown token '" << token << "'" );

66
simgear/scene/tgdb/apt_signs.cxx
View File

@@ -66,7 +66,10 @@ struct element_info {
typedef std::vector<element_info*> ElementVec;
const double HT[5] = {0.460, 0.610, 0.760, 1.220, 0.760}; // standard panel height sizes
// Standard panel height sizes. The first value is unused to
// make sure the size value equals 1:1 the value from the apt.dat file:
const double HT[6] = {0.1, 0.460, 0.610, 0.760, 1.220, 0.760};
const double grounddist = 0.2; // hard-code sign distance from surface for now
const double thick = 0.1; // half the thickness of the 3D sign
@@ -80,14 +83,13 @@ struct pair {
{"@d", "^d"},
{"@l", "^l"},
{"@lu", "^lu"},
{"@ul", "^lu"},
{"@ld", "^ld"},
{"@dl", "^ld"},
{"@r", "^r"},
{"@ru", "^ru"},
{"@ur", "^ru"},
{"@rd", "^rd"},
{"@dr", "^rd"},
{"r1", "^I1"},
{"r2", "^I2"},
{"r3", "^I3"},
{0, 0},
};
@@ -274,7 +276,7 @@ AirportSignBuilder::~AirportSignBuilder()
}
}
void AirportSignBuilder::addSign(const SGGeod& pos, double heading, const std::string& content)
void AirportSignBuilder::addSign(const SGGeod& pos, double heading, const std::string& content, int size)
{
double sign_height = 1.0; // meter
string newmat = "BlackSign";
@@ -285,10 +287,14 @@ void AirportSignBuilder::addSign(const SGGeod& pos, double heading, const std::s
double total_width2 = 0.0;
bool cmd = false;
bool isBackside = false;
int size = -1;
char oldtype = 0, newtype = 0;
SGMaterial *material = 0;
if (size < -1 || size > 5){
SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "Found illegal sign size value of '" << size << "' for " << content << ".");
size = -1;
}
// Part I: parse & measure
for (const char *s = content.data(); *s; s++) {
string name;
@@ -315,9 +321,10 @@ void AirportSignBuilder::addSign(const SGGeod& pos, double heading, const std::s
for (; *s; s++) {
name += *s;
if (s[1] == ',' || s[1] == '}' || s[1] == '=')
if (s[1] == ',' || s[1] == '}' )
break;
}
if (!*s) {
SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unclosed { in sign contents");
} else if (s[1] == '=') {
@@ -330,25 +337,44 @@ void AirportSignBuilder::addSign(const SGGeod& pos, double heading, const std::s
SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unclosed { in sign contents");
}
if (name == "@@") {
isBackside = true;
continue;
if (name == "no-entry") {
sign_height = HT[size < 0 ? 3 : size];
newmat = "RedSign";
newtype = 'R';
}
if (name == "@size") {
sign_height = strtod(value.data(), 0);
else if (name == "critical") {
sign_height = HT[size < 0 ? 3 : size];
newmat = "SpecialSign";
newtype = 'S';
}
else if (name == "safety") {
sign_height = HT[size < 0 ? 3 : size];
newmat = "SpecialSign";
newtype = 'S';
}
else if (name == "hazard") {
sign_height = HT[size < 0 ? 3 : size];
newmat = "SpecialSign";
newtype = 'S';
}
if (name == "@@") {
isBackside = true;
continue;
}
if (name.size() == 2 || name.size() == 3) {
string n = name;
if (n.size() == 3 && n[2] >= '1' && n[2] <= '5') {
size = n[2] - '1';
size = n[2];
n = n.substr(0, 2);
}
if (n == "@Y") {
if (size < 3) {
sign_height = HT[size < 0 ? 2 : size];
sign_height = HT[size < 0 ? 3 : size];
newmat = "YellowSign";
newtype = 'Y';
continue;
@@ -356,7 +382,7 @@ void AirportSignBuilder::addSign(const SGGeod& pos, double heading, const std::s
} else if (n == "@R") {
if (size < 3) {
sign_height = HT[size < 0 ? 2 : size];
sign_height = HT[size < 0 ? 3 : size];
newmat = "RedSign";
newtype = 'R';
continue;
@@ -364,15 +390,15 @@ void AirportSignBuilder::addSign(const SGGeod& pos, double heading, const std::s
} else if (n == "@L") {
if (size < 3) {
sign_height = HT[size < 0 ? 2 : size];
sign_height = HT[size < 0 ? 3 : size];
newmat = "FramedSign";
newtype = 'L';
continue;
}
} else if (n == "@B") {
if (size < 0 || size == 3 || size == 4) {
sign_height = HT[size < 0 ? 3 : size];
if (size < 0 || size == 4 || size == 5) {
sign_height = HT[size < 0 ? 4 : size];
newmat = "BlackSign";
newtype = 'B';
continue;
@@ -397,7 +423,7 @@ void AirportSignBuilder::addSign(const SGGeod& pos, double heading, const std::s
material = d->materials->find(newmat);
newmat.clear();
}
SGMaterialGlyph *glyph = material->get_glyph(name);
if (!glyph) {
SG_LOG( SG_TERRAIN, SG_ALERT, SIGN "unsupported glyph '" << *s << '\'');

2
simgear/scene/tgdb/apt_signs.hxx
View File

@@ -46,7 +46,7 @@ public:
AirportSignBuilder(SGMaterialLib* mats, const SGGeod& center);
~AirportSignBuilder();
void addSign(const SGGeod& pos, double heading, const std::string& content);
void addSign(const SGGeod& pos, double heading, const std::string& content, int size);
osg::Node* getSignsGroup();
private: