Module: GDAL::MajorObject
Constant Summary
Constants included
from FFI::GDAL
FFI::GDAL::ALTER_ALL_FLAG, FFI::GDAL::ALTER_NAME_FLAG, FFI::GDAL::ALTER_TYPE_FLAG, FFI::GDAL::ALTER_WIDTH_PRECISION_FLAG, FFI::GDAL::AppDefined, FFI::GDAL::AssertionFailed, FFI::GDAL::CPLES_BackslashQuotable, FFI::GDAL::CPLES_CSV, FFI::GDAL::CPLES_SQL, FFI::GDAL::CPLES_URL, FFI::GDAL::CPLES_XML, FFI::GDAL::CPLES_XML_BUT_QUOTES, FFI::GDAL::CPLE_WrongFormat, FFI::GDAL::CPLErr, FFI::GDAL::CPLValueType, FFI::GDAL::CPL_ENC_ASCII, FFI::GDAL::CPL_ENC_ISO8859_1, FFI::GDAL::CPL_ENC_LOCALE, FFI::GDAL::CPL_ENC_UCS2, FFI::GDAL::CPL_ENC_UCS4, FFI::GDAL::CPL_ENC_UTF16, FFI::GDAL::CPL_ENC_UTF8, FFI::GDAL::CSLT_ALLOWEMPTYTOKENS, FFI::GDAL::CSLT_HONOURSTRINGS, FFI::GDAL::CSLT_PRESERVEESCAPES, FFI::GDAL::CSLT_PRESERVEQUOTES, FFI::GDAL::CSLT_STRIPENDSPACES, FFI::GDAL::CSLT_STRIPLEADSPACES, FFI::GDAL::FileIO, FFI::GDAL::GDALAccess, FFI::GDAL::GDALAsyncStatusType, FFI::GDAL::GDALColorInterp, FFI::GDAL::GDALDataType, FFI::GDAL::GDALMD_AOP_AREA, FFI::GDAL::GDALMD_AOP_POINT, FFI::GDAL::GDALMD_AREA_OR_POINT, FFI::GDAL::GDALPaletteInterp, FFI::GDAL::GDALRATFieldType, FFI::GDAL::GDALRATFieldUsage, FFI::GDAL::GDALRWFlag, FFI::GDAL::GDALTileOrganization, FFI::GDAL::GDAL_DCAP_CREATE, FFI::GDAL::GDAL_DCAP_CREATECOPY, FFI::GDAL::GDAL_DCAP_OPEN, FFI::GDAL::GDAL_DCAP_RASTER, FFI::GDAL::GDAL_DCAP_VECTOR, FFI::GDAL::GDAL_DCAP_VIRTUALIO, FFI::GDAL::GDAL_DMD_CREATIONDATATYPES, FFI::GDAL::GDAL_DMD_CREATIONOPTIONLIST, FFI::GDAL::GDAL_DMD_EXTENSION, FFI::GDAL::GDAL_DMD_EXTENSIONS, FFI::GDAL::GDAL_DMD_HELPTOPIC, FFI::GDAL::GDAL_DMD_LONGNAME, FFI::GDAL::GDAL_DMD_MIMETYPE, FFI::GDAL::GDAL_DMD_OPTIONLIST, FFI::GDAL::GDAL_DMD_SUBDATASETS, FFI::GDAL::GDAL_DS_LAYER_CREATIONOPTIONLIST, FFI::GDAL::GDAL_OF_ALL, FFI::GDAL::GDAL_OF_RASTER, FFI::GDAL::GDAL_OF_READONLY, FFI::GDAL::GDAL_OF_SHARED, FFI::GDAL::GDAL_OF_UPDATE, FFI::GDAL::GDAL_OF_VECTOR, FFI::GDAL::GDAL_OF_VERBOSE_ERROR, FFI::GDAL::GMF_ALL_VALID, FFI::GDAL::GMF_ALPHA, FFI::GDAL::GMF_NODATA, FFI::GDAL::GMF_PER_DATASET, FFI::GDAL::IllegalArg, FFI::GDAL::NoWriteAccess, FFI::GDAL::None, FFI::GDAL::NotSupported, FFI::GDAL::ODrCCreateDataSource, FFI::GDAL::ODrCDeleteDataSource, FFI::GDAL::ODsCCreateGeomFieldAfterCreateLayer, FFI::GDAL::ODsCCreateLayer, FFI::GDAL::ODsCDeleteLayer, FFI::GDAL::OGRAxisOrientation, FFI::GDAL::OGRDatumType, FFI::GDAL::OGRERR_CORRUPT_DATA, FFI::GDAL::OGRERR_FAILURE, FFI::GDAL::OGRERR_INVALID_HANDLE, FFI::GDAL::OGRERR_NONE, FFI::GDAL::OGRERR_NOT_ENOUGH_DATA, FFI::GDAL::OGRERR_NOT_ENOUGH_MEMORY, FFI::GDAL::OGRERR_UNSUPPORTED_GEOMETRY_TYPE, FFI::GDAL::OGRERR_UNSUPPORTED_OPERATION, FFI::GDAL::OGRERR_UNSUPPORTED_SRS, FFI::GDAL::OGRFieldType, FFI::GDAL::OGRJustification, FFI::GDAL::OGRNullFID, FFI::GDAL::OGRStyleToolClassID, FFI::GDAL::OGRStyleToolParamBrushID, FFI::GDAL::OGRStyleToolParamLabelID, FFI::GDAL::OGRStyleToolParamPenID, FFI::GDAL::OGRStyleToolParamSymbolID, FFI::GDAL::OGRStyleToolUnitsID, FFI::GDAL::OGRUnsetMarker, FFI::GDAL::OGR_Z_MARKER, FFI::GDAL::OGRwkbByteOrder, FFI::GDAL::OGRwkbGeometryType, FFI::GDAL::OGRwkbVariant, FFI::GDAL::OLCAlterFieldDefn, FFI::GDAL::OLCCreateField, FFI::GDAL::OLCCreateGeomField, FFI::GDAL::OLCDeleteFeature, FFI::GDAL::OLCDeleteField, FFI::GDAL::OLCFastFeatureCount, FFI::GDAL::OLCFastGetExtent, FFI::GDAL::OLCFastSetNextByIndex, FFI::GDAL::OLCFastSpatialFilter, FFI::GDAL::OLCIgnoreFields, FFI::GDAL::OLCRandomRead, FFI::GDAL::OLCRandomeWrite, FFI::GDAL::OLCReorderFields, FFI::GDAL::OLCSequentialWrite, FFI::GDAL::OLCStringsAsUTF8, FFI::GDAL::OLCTransactions, FFI::GDAL::ObjectNull, FFI::GDAL::OpenFailed, FFI::GDAL::OutOfMemory, FFI::GDAL::UserInterrupt, FFI::GDAL::VERSION, FFI::GDAL::VSI_STAT_EXISTS_FLAG, FFI::GDAL::VSI_STAT_NATURE_FLAG, FFI::GDAL::VSI_STAT_SIZE_FLAG, FFI::GDAL::WKB_25D_BIT
Instance Method Summary
collapse
Methods included from FFI::GDAL
#CPLFree, #cpla_assert, find_lib, #gdal_check_version, gdal_library_path, search_paths, #srcval, #validate_pointer0, #validate_pointer1, #validate_pointer_err
Instance Method Details
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# File 'lib/ffi-gdal/major_object.rb', line 53
def all_metadata
sub_metadata = metadata_domain_list.each_with_object({}) do |subdomain, obj|
metadata_array = metadata_for_domain(subdomain)
obj[subdomain] = metadata_array
end
{ DEFAULT: metadata_for_domain }.merge(sub_metadata)
end
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#description ⇒ String
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# File 'lib/ffi-gdal/major_object.rb', line 63
def description
GDALGetDescription(c_pointer)
end
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#description=(new_description) ⇒ Object
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# File 'lib/ffi-gdal/major_object.rb', line 68
def description=(new_description)
GDALSetDescription(c_pointer, new_description.to_s)
end
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#metadata_domain_list ⇒ Array<String>
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# File 'lib/ffi-gdal/major_object.rb', line 9
def metadata_domain_list
unless defined? FFI::GDAL::GDALGetMetadataDomainList
warn "GDALGetMetadataDomainList is't defined. GDAL::MajorObject#metadata_domain_list disabled."
return []
end
GDALGetMetadataDomainList(c_pointer)
list_pointer = GDALGetMetadataDomainList(c_pointer)
return [] if list_pointer.null?
strings = list_pointer.get_array_of_string(0)
strings.compact.delete_if(&:empty?)
end
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#metadata_for_domain(domain = '') ⇒ Hash
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# File 'lib/ffi-gdal/major_object.rb', line 28
def metadata_for_domain(domain='')
m = GDALGetMetadata(c_pointer, domain)
return {} if m.null?
data_array = m.get_array_of_string(0)
data_array.each_with_object({}) do |key_value_pair, obj|
key, value = key_value_pair.split('=', 2)
begin
obj[key] = MultiXml.parse(value)
rescue MultiXml::ParseError
obj[key] = value
end
end
end
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# File 'lib/ffi-gdal/major_object.rb', line 48
def metadata_item(name, domain='')
GDALGetMetadataItem(c_pointer, name, domain)
end
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#null? ⇒ Boolean
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# File 'lib/ffi-gdal/major_object.rb', line 72
def null?
c_pointer.null?
end
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