module GDAL::Dataset::Matching
Public Instance Methods
compute_matching_points(other_dataset, **options)
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@param other_dataset [GDAL::Dataset] @param options [Hash] @return [Hash{count => Integer
, gcp: => FFI::GDAL::GCP
}] Not sure why,
but the C function seems to return a single GCP instead of an Array of them.
# File lib/gdal/dataset/matching.rb, line 11 def compute_matching_points(other_dataset, **options) other_dataset_ptr = GDAL._pointer(GDAL::Dataset, other_dataset) options_ptr = GDAL::Options.pointer(options) gcp_count_ptr = FFI::MemoryPointer.new(:int) gcp = FFI::GDAL::Matching.GDALComputeMatchingPoints( @c_pointer, other_dataset_ptr, options_ptr, gcp_count_ptr ) { count: gcp_count_ptr.read_int, gcp: gcp } end