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-rw-r--r--include/proj/coordinateoperation.hpp18
-rw-r--r--include/proj/internal/coordinateoperation_internal.hpp15
-rw-r--r--include/proj/io.hpp8
3 files changed, 29 insertions, 12 deletions
diff --git a/include/proj/coordinateoperation.hpp b/include/proj/coordinateoperation.hpp
index 81d82474..c7459416 100644
--- a/include/proj/coordinateoperation.hpp
+++ b/include/proj/coordinateoperation.hpp
@@ -144,10 +144,12 @@ class PROJ_GCC_DLL CoordinateOperation : public common::ObjectUsage,
/** \brief Return grids needed by an operation. */
PROJ_DLL virtual std::set<GridDescription>
- gridsNeeded(const io::DatabaseContextPtr &databaseContext) const = 0;
+ gridsNeeded(const io::DatabaseContextPtr &databaseContext,
+ bool considerKnownGridsAsAvailable) const = 0;
PROJ_DLL bool
- isPROJInstantiable(const io::DatabaseContextPtr &databaseContext) const;
+ isPROJInstantiable(const io::DatabaseContextPtr &databaseContext,
+ bool considerKnownGridsAsAvailable) const;
PROJ_DLL bool hasBallparkTransformation() const;
@@ -601,7 +603,8 @@ class PROJ_GCC_DLL SingleOperation : virtual public CoordinateOperation {
std::vector<metadata::PositionalAccuracyNNPtr>());
PROJ_DLL std::set<GridDescription>
- gridsNeeded(const io::DatabaseContextPtr &databaseContext) const override;
+ gridsNeeded(const io::DatabaseContextPtr &databaseContext,
+ bool considerKnownGridsAsAvailable) const override;
PROJ_DLL std::list<std::string> validateParameters() const;
@@ -1680,7 +1683,8 @@ class PROJ_GCC_DLL ConcatenatedOperation final : public CoordinateOperation {
bool checkExtent); // throw InvalidOperation
PROJ_DLL std::set<GridDescription>
- gridsNeeded(const io::DatabaseContextPtr &databaseContext) const override;
+ gridsNeeded(const io::DatabaseContextPtr &databaseContext,
+ bool considerKnownGridsAsAvailable) const override;
PROJ_PRIVATE :
@@ -1810,6 +1814,12 @@ class PROJ_GCC_DLL CoordinateOperationContext {
/** Ignore grid availability at all. Results will be presented as if
* all grids were available. */
IGNORE_GRID_AVAILABILITY,
+
+ /** Results will be presented as if grids known to PROJ (that is
+ * registered in the grid_alternatives table of its database) were
+ * available. Used typically when networking is enabled.
+ */
+ KNOWN_AVAILABLE,
};
PROJ_DLL void setGridAvailabilityUse(GridAvailabilityUse use);
diff --git a/include/proj/internal/coordinateoperation_internal.hpp b/include/proj/internal/coordinateoperation_internal.hpp
index 361261c1..a75427c2 100644
--- a/include/proj/internal/coordinateoperation_internal.hpp
+++ b/include/proj/internal/coordinateoperation_internal.hpp
@@ -180,8 +180,10 @@ class InverseConversion : public Conversion, public InverseCoordinateOperation {
// 'osgeo::proj::operation::SingleOperation::osgeo::proj::operation::SingleOperation::gridsNeeded'
// via dominance
std::set<GridDescription>
- gridsNeeded(const io::DatabaseContextPtr &databaseContext) const override {
- return SingleOperation::gridsNeeded(databaseContext);
+ gridsNeeded(const io::DatabaseContextPtr &databaseContext,
+ bool considerKnownGridsAsAvailable) const override {
+ return SingleOperation::gridsNeeded(databaseContext,
+ considerKnownGridsAsAvailable);
}
#endif
@@ -232,8 +234,10 @@ class InverseTransformation : public Transformation,
// 'osgeo::proj::operation::SingleOperation::osgeo::proj::operation::SingleOperation::gridsNeeded'
// via dominance
std::set<GridDescription>
- gridsNeeded(const io::DatabaseContextPtr &databaseContext) const override {
- return SingleOperation::gridsNeeded(databaseContext);
+ gridsNeeded(const io::DatabaseContextPtr &databaseContext,
+ bool considerKnownGridsAsAvailable) const override {
+ return SingleOperation::gridsNeeded(databaseContext,
+ considerKnownGridsAsAvailable);
}
#endif
@@ -274,7 +278,8 @@ class PROJBasedOperation : public SingleOperation {
bool hasRoughTransformation);
std::set<GridDescription>
- gridsNeeded(const io::DatabaseContextPtr &databaseContext) const override;
+ gridsNeeded(const io::DatabaseContextPtr &databaseContext,
+ bool considerKnownGridsAsAvailable) const override;
protected:
PROJBasedOperation(const PROJBasedOperation &) = default;
diff --git a/include/proj/io.hpp b/include/proj/io.hpp
index 37941901..e2f48dd4 100644
--- a/include/proj/io.hpp
+++ b/include/proj/io.hpp
@@ -832,6 +832,7 @@ class PROJ_GCC_DLL DatabaseContext {
bool &inverse) const;
PROJ_DLL bool lookForGridInfo(const std::string &projFilename,
+ bool considerKnownGridsAsAvailable,
std::string &fullFilename,
std::string &packageName, std::string &url,
bool &directDownload, bool &openLicense,
@@ -1055,7 +1056,8 @@ class PROJ_GCC_DLL AuthorityFactory {
const std::string &sourceCRSAuthName, const std::string &sourceCRSCode,
const std::string &targetCRSAuthName, const std::string &targetCRSCode,
bool usePROJAlternativeGridNames, bool discardIfMissingGrid,
- bool discardSuperseded, bool tryReverseOrder = false,
+ bool considerKnownGridsAsAvailable, bool discardSuperseded,
+ bool tryReverseOrder = false,
bool reportOnlyIntersectingTransformations = false,
const metadata::ExtentPtr &intersectingExtent1 = nullptr,
const metadata::ExtentPtr &intersectingExtent2 = nullptr) const;
@@ -1065,7 +1067,7 @@ class PROJ_GCC_DLL AuthorityFactory {
const std::string &sourceCRSAuthName, const std::string &sourceCRSCode,
const std::string &targetCRSAuthName, const std::string &targetCRSCode,
bool usePROJAlternativeGridNames, bool discardIfMissingGrid,
- bool discardSuperseded,
+ bool considerKnownGridsAsAvailable, bool discardSuperseded,
const std::vector<std::pair<std::string, std::string>>
&intermediateCRSAuthCodes,
ObjectType allowedIntermediateObjectType = ObjectType::CRS,
@@ -1131,7 +1133,7 @@ class PROJ_GCC_DLL AuthorityFactory {
const std::string &sourceCRSCode, const crs::CRSNNPtr &targetCRS,
const std::string &targetCRSAuthName, const std::string &targetCRSCode,
bool usePROJAlternativeGridNames, bool discardIfMissingGrid,
- bool discardSuperseded,
+ bool considerKnownGridsAsAvailable, bool discardSuperseded,
const std::vector<std::string> &allowedAuthorities,
const metadata::ExtentPtr &intersectingExtent1,
const metadata::ExtentPtr &intersectingExtent2) const;