Module: GDAL::RasterAttributeTable::Extensions
- Included in:
- GDAL::RasterAttributeTable
- Defined in:
- lib/gdal/extensions/raster_attribute_table/extensions.rb
Instance Method Summary collapse
-
#column(index) ⇒ Hash
Get
column_name
,column_usage
,column_type
as a Hash. - #columns ⇒ Array<Hash>
- #each_column {|| ... } ⇒ Enumerator
- #set_value(row, field, value) ⇒ Object
Instance Method Details
#column(index) ⇒ Hash
Get column_name
, column_usage
, column_type
as a Hash.
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# File 'lib/gdal/extensions/raster_attribute_table/extensions.rb', line 24 def column(index) { name: column_name(index), usage: column_usage(index), type: column_type(index) } end |
#columns ⇒ Array<Hash>
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# File 'lib/gdal/extensions/raster_attribute_table/extensions.rb', line 33 def columns each_column.to_a end |
#each_column {|| ... } ⇒ Enumerator
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# File 'lib/gdal/extensions/raster_attribute_table/extensions.rb', line 39 def each_column return enum_for(:each_column) unless block_given? column_count.times { |i| yield column(i) } end |
#set_value(row, field, value) ⇒ Object
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# File 'lib/gdal/extensions/raster_attribute_table/extensions.rb', line 11 def set_value(row, field, value) case value.class when String then set_value_as_string(row, field, value) when Float then set_value_as_double(row, field, value) when Integer then set_value_as_integer(row, field, value) else raise GDAL::UnknownRasterAttributeTableType, "Unknown value type for value '#{value}'" end end |