diff options
Diffstat (limited to 'src/iso19111/io.cpp')
| -rw-r--r-- | src/iso19111/io.cpp | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/src/iso19111/io.cpp b/src/iso19111/io.cpp index a851b41b..078180a5 100644 --- a/src/iso19111/io.cpp +++ b/src/iso19111/io.cpp @@ -4746,8 +4746,7 @@ struct PROJStringFormatter::Private { bool omitProjLongLatIfPossible_ = false; bool omitZUnitConversion_ = false; DatabaseContextPtr dbContext_{}; - bool useETMercForTMerc_ = false; - bool useETMercForTMercSet_ = false; + bool useApproxTMerc_ = false; bool addNoDefs_ = true; bool coordOperationOptimizations_ = false; bool crsExport_ = false; @@ -4803,11 +4802,9 @@ PROJStringFormatter::create(Convention conventionIn, // --------------------------------------------------------------------------- -/** \brief Set whether Extended Transverse Mercator (etmerc) should be used - * instead of tmerc */ -void PROJStringFormatter::setUseETMercForTMerc(bool flag) { - d->useETMercForTMerc_ = flag; - d->useETMercForTMercSet_ = true; +/** \brief Set whether approximate Transverse Mercator or UTM should be used */ +void PROJStringFormatter::setUseApproxTMerc(bool flag) { + d->useApproxTMerc_ = flag; } // --------------------------------------------------------------------------- @@ -5256,9 +5253,8 @@ PROJStringFormatter::Convention PROJStringFormatter::convention() const { // --------------------------------------------------------------------------- -bool PROJStringFormatter::getUseETMercForTMerc(bool &settingSetOut) const { - settingSetOut = d->useETMercForTMercSet_; - return d->useETMercForTMerc_; +bool PROJStringFormatter::getUseApproxTMerc() const { + return d->useApproxTMerc_; } // --------------------------------------------------------------------------- @@ -7081,8 +7077,10 @@ CRSNNPtr PROJStringParser::Private::buildProjectedCRS( : UnitOfMeasure::NONE))); } - if (step.name == "etmerc") { - methodMap.set("proj_method", "etmerc"); + if (step.name == "tmerc" && hasParamValue(step, "approx")) { + methodMap.set("proj_method", "tmerc approx"); + } else if (step.name == "utm" && hasParamValue(step, "approx")) { + methodMap.set("proj_method", "utm approx"); } conv = Conversion::create(mapWithUnknownName, methodMap, parameters, |