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Overview
Comment:Additional test cases for geopoly.
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Timelines: family | ancestors | descendants | both | trunk
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SHA3-256: 19b5eb45e090c4b7169a52d881495ee2eafc59f80e3db2288fc1814ba76134ac
User & Date: drh 2018-08-29 21:01:22
Context
2018-08-30
01:52
Improved JSON parser caching. check-in: 58078c0d user: drh tags: trunk
2018-08-29
21:01
Additional test cases for geopoly. check-in: 19b5eb45 user: drh tags: trunk
20:52
Fixes to the UPDATE logic in Geopoly. check-in: 7c3cee0a user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to ext/rtree/visual01.txt.

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.print '</svg>'

.print '<h1>Color-Change And Move Overlapping Elements</h1>'
BEGIN;
UPDATE geo1
   SET clr=CASE WHEN rowid IN (SELECT geo1.rowid FROM geo1, querypoly
                                WHERE geopoly_overlap(_shape,poly))
           THEN 'red' ELSE 'blue' END;
UPDATE geo1
   SET _shape=geopoly_xform(_shape,1,0,0,1,300,0)
 WHERE geopoly_overlap(_shape,(SELECT poly FROM querypoly));
.print '<svg width="1000" height="800" style="border:1px solid black">'
SELECT geopoly_svg(_shape,
         printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr)
       )
  FROM geo1;
SELECT geopoly_svg(poly,'style="fill:none;stroke:black;stroke-width:2"')
  FROM querypoly;














ROLLBACK;
.print '</svg>'

.print '</html>'







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.print '</svg>'

.print '<h1>Color-Change And Move Overlapping Elements</h1>'
BEGIN;
UPDATE geo1
   SET clr=CASE WHEN rowid IN (SELECT geo1.rowid FROM geo1, querypoly
                                WHERE geopoly_overlap(_shape,poly))
           THEN 'red' ELSE '#76ccff' END;
UPDATE geo1
   SET _shape=geopoly_xform(_shape,1,0,0,1,300,0)
 WHERE geopoly_overlap(_shape,(SELECT poly FROM querypoly));
.print '<svg width="1000" height="800" style="border:1px solid black">'
SELECT geopoly_svg(_shape,
         printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr)
       )
  FROM geo1;
SELECT geopoly_svg(poly,'style="fill:none;stroke:black;stroke-width:2"')
  FROM querypoly;
--ROLLBACK;
.print '</svg>'


.print '<h1>Overlap With Translated Query Polygon</h1>'
UPDATE querypoly SET poly=geopoly_xform(poly,1,0,0,1,300,0);
.print '<svg width="1000" height="800" style="border:1px solid black">'
SELECT geopoly_svg(_shape,
         printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr)
       )
  FROM geo1
 WHERE geopoly_overlap(_shape,(SELECT poly FROM querypoly));
SELECT geopoly_svg(poly,'style="fill:none;stroke:black;stroke-width:2"')
  FROM querypoly;
ROLLBACK;
.print '</svg>'

.print '</html>'