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19 lines
1.5 KiB
SQL
19 lines
1.5 KiB
SQL
---
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--- Tests for ST_Buffer with parameters (needs GEOS-3.2 or higher)
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---
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---
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-- Ouput is snapped to grid to account for small floating numbers
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-- differences between architectures
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SELECT 'point quadsegs=2', astext(SnapToGrid(st_buffer('POINT(0 0)', 1, 'quad_segs=2'), 1.0e-6));
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SELECT 'line quadsegs=2', astext(SnapToGrid(st_buffer('LINESTRING(0 0, 10 0)', 2, 'quad_segs=2'), 1.0e-6));
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SELECT 'line quadsegs=2 endcap=flat', astext(SnapToGrid(st_buffer('LINESTRING(0 0, 10 0)', 2, 'quad_segs=2 endcap=flat'), 1.0e-6));
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SELECT 'line quadsegs=2 endcap=butt', astext(SnapToGrid(st_buffer('LINESTRING(0 0, 10 0)', 2, 'quad_segs=2 endcap=butt'), 1.0e-6));
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SELECT 'line quadsegs=2 endcap=square', astext(SnapToGrid(st_buffer('LINESTRING(0 0, 10 0)', 2, 'quad_segs=2 endcap=square'), 1.0e-6));
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SELECT 'poly quadsegs=2 join=round', astext(SnapToGrid(st_buffer('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))', 2, 'quad_segs=2 join=round'), 1.0e-6));
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SELECT 'poly quadsegs=2 join=bevel', astext(SnapToGrid(st_buffer('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))', 2, 'quad_segs=2 join=bevel'), 1.0e-6));
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SELECT 'poly quadsegs=2 join=mitre', astext(SnapToGrid(st_buffer('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))', 2, 'quad_segs=2 join=mitre'), 1.0e-6));
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SELECT 'poly quadsegs=2 join=mitre mitre_limit=1', astext(SnapToGrid(st_buffer('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))', 2, 'quad_segs=2 join=mitre mitre_limit=1'), 1.0e-6));
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SELECT 'poly quadsegs=2 join=miter miter_limit=1', astext(SnapToGrid(st_buffer('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))', 2, 'quad_segs=2 join=miter miter_limit=1'), 1.0e-6));
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