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template<typename OutputIterator, typename PointPMap, typename Kernel>
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bool
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read_xyz_points ( std::istream& stream, OutputIterator output, PointPMap point_pmap, Kernel kernel)
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Reads points (positions only) from a .xyz ASCII stream. The function expects for each point a line with the x y z position. If the position is followed by the nx ny nz normal, then the normal will be ignored. The first line may contain the number of points in the file. Empty lines and comments starting by # character are allowed.
| Template Parameters: |
OutputIterator: iterator over output points. PointPMap: is a model of boost::WritablePropertyMap with a value_type = Point_3<Kernel>. It can be omitted if OutputIterator value_type is convertible to Point_3<Kernel>. Kernel: Geometric traits class. It can be omitted and deduced automatically from PointPMap value_type.
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| Returns: | true on success.
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| Parameters: |
stream: input stream. output: output iterator over points. point_pmap: property map OutputIterator -> Point_3. kernel: geometric traits. |
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template<typename OutputIterator, typename PointPMap, typename NormalPMap, typename Kernel>
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bool
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read_xyz_points_and_normals ( |
std::istream& stream,
OutputIterator output,
PointPMap point_pmap,
NormalPMap normal_pmap,
Kernel kernel) |
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Reads points (positions + normals, if available) from a .xyz ASCII stream. The function expects for each point a line with the x y z position, optionally followed by the nx ny nz normal. The first line may contain the number of points in the file. Empty lines and comments starting by # character are allowed.
| Template Parameters: |
OutputIterator: iterator over output points. PointPMap: is a model of boost::WritablePropertyMap with a value_type = Point_3<Kernel>. It can be omitted if OutputIterator value_type is convertible to Point_3<Kernel>. NormalPMap: is a model of boost::WritablePropertyMap with a value_type = Vector_3<Kernel>. Kernel: Geometric traits class. It can be omitted and deduced automatically from PointPMap value_type.
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| Returns: | true on success.
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| Parameters: |
stream: input stream. output: output iterator over points. point_pmap: property map OutputIterator -> Point_3. normal_pmap: property map OutputIterator -> Vector_3. kernel: geometric traits. |
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