retCode showMtdLbl(ioPo f, void *data, long depth, long precision, logical alt) {
methodPo mtd = (methodPo) data;
normalPo pool = codeLits(mtd);
termPo lbl = nthArg(pool, 0);
return outMsg(f, "%T", lbl);
}
retCode mtdDisp(ioPo out, termPo t, integer precision, integer depth, logical alt) {
methodPo mtd = C_MTD(t);
normalPo pool = codeLits(mtd);
if (pool != Null) {
labelPo lbl = C_LBL(nthArg(pool, 0));
return showLbl(out, precision, alt, lbl);
} else
return outMsg(out, "<unknown mtd>");
}
termPo findPcLocation(methodPo mtd, integer pc) {
normalPo lines = mtd->lines;
integer start = 0;
integer limit = termArity(lines)-1;
integer lowerPc = -1;
integer upperPc = mtdCodeSize(mtd);
termPo lowerLoc = Null;
termPo upperLoc = Null;
while (limit >= start) {
integer mid = start + (limit - start) / 2;
normalPo midEntry = C_TERM(nthArg(lines, mid));
integer testPc = integerVal(nthArg(midEntry, 1));
termPo testLoc = nthArg(midEntry, 0);
if (testPc == pc)
return testLoc;
else if (testPc < pc) {
start = mid+1;
if (testPc > lowerPc) {
lowerPc = testPc;
lowerLoc = testLoc;
}
} else {
limit = mid-1;
if (testPc < upperPc) {
upperPc = testPc;
upperLoc = testLoc;
}
}
}
if (lowerLoc != Null)
return lowerLoc;
else
return upperLoc;
}
int main (int argc, const char * argv[])
{
try {
TCLAP::CmdLine cmd("Keep every nth point, keep a specific percentage randomly or simply copy all points. Creates a .bounds file with the bounding box values.", ' ', "none", false);
TCLAP::ValueArg<int> percentageArg("e","percentage","Keep percentage of the points randmonly",false,10,"int");
TCLAP::ValueArg<int> nthArg("n","nth","Keep every nth point",false,10,"int");
TCLAP::SwitchArg copyallSwitch("c","copy","Copy all points", false);
std::vector<TCLAP::Arg*> copymodes;
copymodes.push_back(&percentageArg);
copymodes.push_back(&nthArg);
copymodes.push_back(©allSwitch);
cmd.xorAdd(copymodes);
TCLAP::ValueArg<int> precArg("x","precision","Decimal precision in output file",false,2,"int",cmd);
TCLAP::SwitchArg projectSwitch("p","project","Project x y values fron WGS84 to auto utm-zone", cmd, false);
TCLAP::SwitchArg flipSignOnZSwitch("f","flip","flip the sign of z-values in output", cmd, false);
TCLAP::SwitchArg flipXYSwitch("t","flipxy","Use if order in file is y-x-z or lat-long-z", cmd, false);
TCLAP::UnlabeledValueArg<std::string> inputArg( "input", "path to .xyz file", true, "", "input file", cmd);
TCLAP::UnlabeledValueArg<std::string> outputArg( "ouput", "path to .xyz file", true, "", "output file", cmd);
cmd.parse(argc,argv);
Filter f(inputArg.getValue().c_str(),outputArg.getValue().c_str(), projectSwitch.getValue(), flipSignOnZSwitch.getValue(), flipXYSwitch.getValue(), precArg.getValue());
if (percentageArg.isSet())
f.copy_percentage(percentageArg.getValue());
else if (nthArg.isSet())
f.copy_nth(nthArg.getValue());
else
f.copy_all();
std::cout << "Written " << f.getLineCount() << " lines" << std::endl;
} catch (TCLAP::ArgException &e) // catch any exceptions
{ std::cerr << "error: " << e.error() << " for arg " << e.argId() << std::endl; }
return 0;
}
static retCode showConstant(ioPo out, methodPo mtd, integer off) {
return outMsg(out, " %,*T", displayDepth, nthArg(mtd->pool, off));
}
termPo getMtdLit(methodPo mtd, integer litNo) {
return nthArg(codeLits(mtd), litNo);
}