Method GetField

apps/gdalalg_vector_make_point.cpp:108–138

    }

    double GetField(const OGRFeature &feature, int fieldIndex, bool isString)
    {
        if (isString)
        {
            const char *pszValue = feature.GetFieldAsString(fieldIndex);
            while (std::isspace(static_cast<unsigned char>(*pszValue)))
            {
                pszValue++;
            }
            char *end = nullptr;
            double dfValue = CPLStrtodM(pszValue, &end);
            while (std::isspace(static_cast<unsigned char>(*end)))
            {
                end++;
            }
            if (end == pszValue || *end != '\0')
            {
                const char *pszFieldName =
                    m_defn->GetFieldDefn(fieldIndex)->GetNameRef();
                CPLError(CE_Failure, CPLE_AppDefined,
                         "Invalid value in field %s: %s ", pszFieldName,
                         pszValue);
                FailTranslation();
            }
            return dfValue;
        }
        else
        {
            return feature.GetFieldAsDouble(fieldIndex);
        }
    }

    bool CheckField(const std::string &dim, const std::string &fieldName,
                    int index, bool &isStringVar)