diff options
Diffstat (limited to 'src/iso19111/io.cpp')
| -rw-r--r-- | src/iso19111/io.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/iso19111/io.cpp b/src/iso19111/io.cpp index 7194a838..dfe6f6a8 100644 --- a/src/iso19111/io.cpp +++ b/src/iso19111/io.cpp @@ -8313,10 +8313,13 @@ CRSNNPtr PROJStringParser::Private::buildProjectedCRS( } else if (step.name == "somerc") { mapping = getMapping(EPSG_CODE_METHOD_HOTINE_OBLIQUE_MERCATOR_VARIANT_B); - step.paramValues.emplace_back(Step::KeyValue("alpha", "90")); - step.paramValues.emplace_back(Step::KeyValue("gamma", "90")); - step.paramValues.emplace_back( - Step::KeyValue("lonc", getParamValue(step, "lon_0"))); + if (!hasParamValue(step, "alpha") && !hasParamValue(step, "gamma") && + !hasParamValue(step, "lonc")) { + step.paramValues.emplace_back(Step::KeyValue("alpha", "90")); + step.paramValues.emplace_back(Step::KeyValue("gamma", "90")); + step.paramValues.emplace_back( + Step::KeyValue("lonc", getParamValue(step, "lon_0"))); + } } else if (step.name == "krovak" && ((getParamValue(step, "axis") == "swu" && iAxisSwap < 0) || (iAxisSwap > 0 && |