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Overview
Comment:Additional test cases for geopoly.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 19b5eb45e090c4b7169a52d881495ee2eafc59f80e3db2288fc1814ba76134ac
User & Date: drh 2018-08-29 21:01:22.572
Context
2018-08-30
01:52
Improved JSON parser caching. (check-in: 58078c0d26 user: drh tags: trunk)
2018-08-29
21:01
Additional test cases for geopoly. (check-in: 19b5eb45e0 user: drh tags: trunk)
20:52
Fixes to the UPDATE logic in Geopoly. (check-in: 7c3cee0a2a user: drh tags: trunk)
Changes
Unified Diff 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>'