#!sqlite3 # # This is a visual test case for the geopoly virtual table. # # Run this script in the sqlite3 CLI, and redirect output into an # HTML file. This display the HTML in a webbrowser. # /* Test data. ** Lots of shapes to be displayed over a 1000x800 canvas. */ CREATE TEMP TABLE basis(name TEXT, jshape TEXT); INSERT INTO basis(name,jshape) VALUES ('box-20','[[0,0],[20,0],[20,20],[0,20],[0,0]]'), ('house-70','[[0,0],[50,0],[50,50],[25,70],[0,50],[0,0]]'), ('line-40','[[0,0],[40,0],[40,5],[0,5],[0,0]]'), ('line-80','[[0,0],[80,0],[80,7],[0,7],[0,0]]'), ('arrow-50','[[0,0],[25,25],[0,50],[15,25],[0,0]]'), ('triangle-30','[[0,0],[30,0],[15,30],[0,0]]'), ('angle-30','[[0,0],[30,0],[30,30],[26,30],[26,4],[0,4],[0,0]]'), ('star-10','[[1,0],[5,2],[9,0],[7,4],[10,8],[7,7],[5,10],[3,7],[0,8],[3,4],[1,0]]'); CREATE TEMP TABLE xform(A,B,C,D,clr); INSERT INTO xform(A,B,clr) VALUES (1,0,'black'), (0.707,0.707,'blue'), (0.5,0.866,'red'), (-0.866,0.5,'green'); CREATE TEMP TABLE xyoff(id1,id2,xoff,yoff,PRIMARY KEY(id1,id2,xoff,yoff)) WITHOUT ROWID; INSERT INTO xyoff VALUES(1,1,811,659); INSERT INTO xyoff VALUES(1,1,235,550); INSERT INTO xyoff VALUES(1,1,481,620); INSERT INTO xyoff VALUES(1,1,106,494); INSERT INTO xyoff VALUES(1,1,487,106); INSERT INTO xyoff VALUES(1,1,817,595); INSERT INTO xyoff VALUES(1,1,240,504); INSERT INTO xyoff VALUES(1,1,806,457); INSERT INTO xyoff VALUES(1,1,608,107); INSERT INTO xyoff VALUES(1,1,768,662); INSERT INTO xyoff VALUES(1,2,808,528); INSERT INTO xyoff VALUES(1,2,768,528); INSERT INTO xyoff VALUES(1,2,771,171); INSERT INTO xyoff VALUES(1,2,275,671); INSERT INTO xyoff VALUES(1,2,326,336); INSERT INTO xyoff VALUES(1,2,690,688); INSERT INTO xyoff VALUES(1,2,597,239); INSERT INTO xyoff VALUES(1,2,317,528); INSERT INTO xyoff VALUES(1,2,366,223); INSERT INTO xyoff VALUES(1,2,621,154); INSERT INTO xyoff VALUES(1,3,829,469); INSERT INTO xyoff VALUES(1,3,794,322); INSERT INTO xyoff VALUES(1,3,358,387); INSERT INTO xyoff VALUES(1,3,184,444); INSERT INTO xyoff VALUES(1,3,729,500); INSERT INTO xyoff VALUES(1,3,333,523); INSERT INTO xyoff VALUES(1,3,117,595); INSERT INTO xyoff VALUES(1,3,496,201); INSERT INTO xyoff VALUES(1,3,818,601); INSERT INTO xyoff VALUES(1,3,541,343); INSERT INTO xyoff VALUES(1,4,603,248); INSERT INTO xyoff VALUES(1,4,761,649); INSERT INTO xyoff VALUES(1,4,611,181); INSERT INTO xyoff VALUES(1,4,607,233); INSERT INTO xyoff VALUES(1,4,860,206); INSERT INTO xyoff VALUES(1,4,310,231); INSERT INTO xyoff VALUES(1,4,727,539); INSERT INTO xyoff VALUES(1,4,660,661); INSERT INTO xyoff VALUES(1,4,403,133); INSERT INTO xyoff VALUES(1,4,619,331); INSERT INTO xyoff VALUES(2,1,712,578); INSERT INTO xyoff VALUES(2,1,567,313); INSERT INTO xyoff VALUES(2,1,231,423); INSERT INTO xyoff VALUES(2,1,490,175); INSERT INTO xyoff VALUES(2,1,898,353); INSERT INTO xyoff VALUES(2,1,589,483); INSERT INTO xyoff VALUES(2,1,188,462); INSERT INTO xyoff VALUES(2,1,720,106); INSERT INTO xyoff VALUES(2,1,793,380); INSERT INTO xyoff VALUES(2,1,154,396); INSERT INTO xyoff VALUES(2,2,324,218); INSERT INTO xyoff VALUES(2,2,120,327); INSERT INTO xyoff VALUES(2,2,655,133); INSERT INTO xyoff VALUES(2,2,516,603); INSERT INTO xyoff VALUES(2,2,529,572); INSERT INTO xyoff VALUES(2,2,481,212); INSERT INTO xyoff VALUES(2,2,802,107); INSERT INTO xyoff VALUES(2,2,234,509); INSERT INTO xyoff VALUES(2,2,501,269); INSERT INTO xyoff VALUES(2,2,349,553); INSERT INTO xyoff VALUES(2,3,495,685); INSERT INTO xyoff VALUES(2,3,897,372); INSERT INTO xyoff VALUES(2,3,350,681); INSERT INTO xyoff VALUES(2,3,832,257); INSERT INTO xyoff VALUES(2,3,778,149); INSERT INTO xyoff VALUES(2,3,683,426); INSERT INTO xyoff VALUES(2,3,693,217); INSERT INTO xyoff VALUES(2,3,746,317); INSERT INTO xyoff VALUES(2,3,805,369); INSERT INTO xyoff VALUES(2,3,336,585); INSERT INTO xyoff VALUES(2,4,890,255); INSERT INTO xyoff VALUES(2,4,556,565); INSERT INTO xyoff VALUES(2,4,865,555); INSERT INTO xyoff VALUES(2,4,230,293); INSERT INTO xyoff VALUES(2,4,247,251); INSERT INTO xyoff VALUES(2,4,730,563); INSERT INTO xyoff VALUES(2,4,318,282); INSERT INTO xyoff VALUES(2,4,220,431); INSERT INTO xyoff VALUES(2,4,828,336); INSERT INTO xyoff VALUES(2,4,278,525); INSERT INTO xyoff VALUES(3,1,324,656); INSERT INTO xyoff VALUES(3,1,625,362); INSERT INTO xyoff VALUES(3,1,155,570); INSERT INTO xyoff VALUES(3,1,267,433); INSERT INTO xyoff VALUES(3,1,599,121); INSERT INTO xyoff VALUES(3,1,873,498); INSERT INTO xyoff VALUES(3,1,789,520); INSERT INTO xyoff VALUES(3,1,656,378); INSERT INTO xyoff VALUES(3,1,831,601); INSERT INTO xyoff VALUES(3,1,256,471); INSERT INTO xyoff VALUES(3,2,332,258); INSERT INTO xyoff VALUES(3,2,305,463); INSERT INTO xyoff VALUES(3,2,796,341); INSERT INTO xyoff VALUES(3,2,830,229); INSERT INTO xyoff VALUES(3,2,413,271); INSERT INTO xyoff VALUES(3,2,269,140); INSERT INTO xyoff VALUES(3,2,628,441); INSERT INTO xyoff VALUES(3,2,747,643); INSERT INTO xyoff VALUES(3,2,584,435); INSERT INTO xyoff VALUES(3,2,784,314); INSERT INTO xyoff VALUES(3,3,722,233); INSERT INTO xyoff VALUES(3,3,815,421); INSERT INTO xyoff VALUES(3,3,401,267); INSERT INTO xyoff VALUES(3,3,451,650); INSERT INTO xyoff VALUES(3,3,329,485); INSERT INTO xyoff VALUES(3,3,878,370); INSERT INTO xyoff VALUES(3,3,162,616); INSERT INTO xyoff VALUES(3,3,844,183); INSERT INTO xyoff VALUES(3,3,161,216); INSERT INTO xyoff VALUES(3,3,176,676); INSERT INTO xyoff VALUES(3,4,780,128); INSERT INTO xyoff VALUES(3,4,566,121); INSERT INTO xyoff VALUES(3,4,646,120); INSERT INTO xyoff VALUES(3,4,223,557); INSERT INTO xyoff VALUES(3,4,251,117); INSERT INTO xyoff VALUES(3,4,139,209); INSERT INTO xyoff VALUES(3,4,813,597); INSERT INTO xyoff VALUES(3,4,454,538); INSERT INTO xyoff VALUES(3,4,616,198); INSERT INTO xyoff VALUES(3,4,210,159); INSERT INTO xyoff VALUES(4,1,208,415); INSERT INTO xyoff VALUES(4,1,326,665); INSERT INTO xyoff VALUES(4,1,612,133); INSERT INTO xyoff VALUES(4,1,537,513); INSERT INTO xyoff VALUES(4,1,638,438); INSERT INTO xyoff VALUES(4,1,808,269); INSERT INTO xyoff VALUES(4,1,552,121); INSERT INTO xyoff VALUES(4,1,100,189); INSERT INTO xyoff VALUES(4,1,643,664); INSERT INTO xyoff VALUES(4,1,726,378); INSERT INTO xyoff VALUES(4,2,478,409); INSERT INTO xyoff VALUES(4,2,497,507); INSERT INTO xyoff VALUES(4,2,233,148); INSERT INTO xyoff VALUES(4,2,587,237); INSERT INTO xyoff VALUES(4,2,604,166); INSERT INTO xyoff VALUES(4,2,165,455); INSERT INTO xyoff VALUES(4,2,320,258); INSERT INTO xyoff VALUES(4,2,353,496); INSERT INTO xyoff VALUES(4,2,347,495); INSERT INTO xyoff VALUES(4,2,166,622); INSERT INTO xyoff VALUES(4,3,461,332); INSERT INTO xyoff VALUES(4,3,685,278); INSERT INTO xyoff VALUES(4,3,427,594); INSERT INTO xyoff VALUES(4,3,467,346); INSERT INTO xyoff VALUES(4,3,125,548); INSERT INTO xyoff VALUES(4,3,597,680); INSERT INTO xyoff VALUES(4,3,820,445); INSERT INTO xyoff VALUES(4,3,144,330); INSERT INTO xyoff VALUES(4,3,557,434); INSERT INTO xyoff VALUES(4,3,254,315); INSERT INTO xyoff VALUES(4,4,157,339); INSERT INTO xyoff VALUES(4,4,249,220); INSERT INTO xyoff VALUES(4,4,391,323); INSERT INTO xyoff VALUES(4,4,589,429); INSERT INTO xyoff VALUES(4,4,859,592); INSERT INTO xyoff VALUES(4,4,337,680); INSERT INTO xyoff VALUES(4,4,410,288); INSERT INTO xyoff VALUES(4,4,636,596); INSERT INTO xyoff VALUES(4,4,734,433); INSERT INTO xyoff VALUES(4,4,559,549); INSERT INTO xyoff VALUES(5,1,549,607); INSERT INTO xyoff VALUES(5,1,584,498); INSERT INTO xyoff VALUES(5,1,699,116); INSERT INTO xyoff VALUES(5,1,525,524); INSERT INTO xyoff VALUES(5,1,304,667); INSERT INTO xyoff VALUES(5,1,302,232); INSERT INTO xyoff VALUES(5,1,403,149); INSERT INTO xyoff VALUES(5,1,824,403); INSERT INTO xyoff VALUES(5,1,697,203); INSERT INTO xyoff VALUES(5,1,293,689); INSERT INTO xyoff VALUES(5,2,199,275); INSERT INTO xyoff VALUES(5,2,395,393); INSERT INTO xyoff VALUES(5,2,657,642); INSERT INTO xyoff VALUES(5,2,200,655); INSERT INTO xyoff VALUES(5,2,882,234); INSERT INTO xyoff VALUES(5,2,483,565); INSERT INTO xyoff VALUES(5,2,755,640); INSERT INTO xyoff VALUES(5,2,810,305); INSERT INTO xyoff VALUES(5,2,731,655); INSERT INTO xyoff VALUES(5,2,466,690); INSERT INTO xyoff VALUES(5,3,563,584); INSERT INTO xyoff VALUES(5,3,491,117); INSERT INTO xyoff VALUES(5,3,779,292); INSERT INTO xyoff VALUES(5,3,375,637); INSERT INTO xyoff VALUES(5,3,253,553); INSERT INTO xyoff VALUES(5,3,797,514); INSERT INTO xyoff VALUES(5,3,229,480); INSERT INTO xyoff VALUES(5,3,257,194); INSERT INTO xyoff VALUES(5,3,449,555); INSERT INTO xyoff VALUES(5,3,849,630); INSERT INTO xyoff VALUES(5,4,329,286); INSERT INTO xyoff VALUES(5,4,640,197); INSERT INTO xyoff VALUES(5,4,104,150); INSERT INTO xyoff VALUES(5,4,438,272); INSERT INTO xyoff VALUES(5,4,773,226); INSERT INTO xyoff VALUES(5,4,441,650); INSERT INTO xyoff VALUES(5,4,242,340); INSERT INTO xyoff VALUES(5,4,301,435); INSERT INTO xyoff VALUES(5,4,171,397); INSERT INTO xyoff VALUES(5,4,541,619); INSERT INTO xyoff VALUES(6,1,651,301); INSERT INTO xyoff VALUES(6,1,637,137); INSERT INTO xyoff VALUES(6,1,765,643); INSERT INTO xyoff VALUES(6,1,173,296); INSERT INTO xyoff VALUES(6,1,263,192); INSERT INTO xyoff VALUES(6,1,791,302); INSERT INTO xyoff VALUES(6,1,860,601); INSERT INTO xyoff VALUES(6,1,780,445); INSERT INTO xyoff VALUES(6,1,462,214); INSERT INTO xyoff VALUES(6,1,802,207); INSERT INTO xyoff VALUES(6,2,811,685); INSERT INTO xyoff VALUES(6,2,533,531); INSERT INTO xyoff VALUES(6,2,390,614); INSERT INTO xyoff VALUES(6,2,260,580); INSERT INTO xyoff VALUES(6,2,116,377); INSERT INTO xyoff VALUES(6,2,860,458); INSERT INTO xyoff VALUES(6,2,438,590); INSERT INTO xyoff VALUES(6,2,604,562); INSERT INTO xyoff VALUES(6,2,241,242); INSERT INTO xyoff VALUES(6,2,667,298); INSERT INTO xyoff VALUES(6,3,787,698); INSERT INTO xyoff VALUES(6,3,868,521); INSERT INTO xyoff VALUES(6,3,412,587); INSERT INTO xyoff VALUES(6,3,640,131); INSERT INTO xyoff VALUES(6,3,748,410); INSERT INTO xyoff VALUES(6,3,257,244); INSERT INTO xyoff VALUES(6,3,411,195); INSERT INTO xyoff VALUES(6,3,464,356); INSERT INTO xyoff VALUES(6,3,157,339); INSERT INTO xyoff VALUES(6,3,434,505); INSERT INTO xyoff VALUES(6,4,480,671); INSERT INTO xyoff VALUES(6,4,519,228); INSERT INTO xyoff VALUES(6,4,404,513); INSERT INTO xyoff VALUES(6,4,120,538); INSERT INTO xyoff VALUES(6,4,403,663); INSERT INTO xyoff VALUES(6,4,477,677); INSERT INTO xyoff VALUES(6,4,690,154); INSERT INTO xyoff VALUES(6,4,606,498); INSERT INTO xyoff VALUES(6,4,430,665); INSERT INTO xyoff VALUES(6,4,499,273); INSERT INTO xyoff VALUES(7,1,118,526); INSERT INTO xyoff VALUES(7,1,817,522); INSERT INTO xyoff VALUES(7,1,388,638); INSERT INTO xyoff VALUES(7,1,181,265); INSERT INTO xyoff VALUES(7,1,442,332); INSERT INTO xyoff VALUES(7,1,475,282); INSERT INTO xyoff VALUES(7,1,722,633); INSERT INTO xyoff VALUES(7,1,104,394); INSERT INTO xyoff VALUES(7,1,631,262); INSERT INTO xyoff VALUES(7,1,372,392); INSERT INTO xyoff VALUES(7,2,600,413); INSERT INTO xyoff VALUES(7,2,386,223); INSERT INTO xyoff VALUES(7,2,839,174); INSERT INTO xyoff VALUES(7,2,293,410); INSERT INTO xyoff VALUES(7,2,281,391); INSERT INTO xyoff VALUES(7,2,859,387); INSERT INTO xyoff VALUES(7,2,478,347); INSERT INTO xyoff VALUES(7,2,646,690); INSERT INTO xyoff VALUES(7,2,713,234); INSERT INTO xyoff VALUES(7,2,199,588); INSERT INTO xyoff VALUES(7,3,389,256); INSERT INTO xyoff VALUES(7,3,349,542); INSERT INTO xyoff VALUES(7,3,363,345); INSERT INTO xyoff VALUES(7,3,751,302); INSERT INTO xyoff VALUES(7,3,423,386); INSERT INTO xyoff VALUES(7,3,267,444); INSERT INTO xyoff VALUES(7,3,243,182); INSERT INTO xyoff VALUES(7,3,453,658); INSERT INTO xyoff VALUES(7,3,126,345); INSERT INTO xyoff VALUES(7,3,120,472); INSERT INTO xyoff VALUES(7,4,359,654); INSERT INTO xyoff VALUES(7,4,339,516); INSERT INTO xyoff VALUES(7,4,710,452); INSERT INTO xyoff VALUES(7,4,810,560); INSERT INTO xyoff VALUES(7,4,644,692); INSERT INTO xyoff VALUES(7,4,826,327); INSERT INTO xyoff VALUES(7,4,465,462); INSERT INTO xyoff VALUES(7,4,310,456); INSERT INTO xyoff VALUES(7,4,577,613); INSERT INTO xyoff VALUES(7,4,502,555); INSERT INTO xyoff VALUES(8,1,601,620); INSERT INTO xyoff VALUES(8,1,372,683); INSERT INTO xyoff VALUES(8,1,758,399); INSERT INTO xyoff VALUES(8,1,485,552); INSERT INTO xyoff VALUES(8,1,159,563); INSERT INTO xyoff VALUES(8,1,536,303); INSERT INTO xyoff VALUES(8,1,122,263); INSERT INTO xyoff VALUES(8,1,836,435); INSERT INTO xyoff VALUES(8,1,544,146); INSERT INTO xyoff VALUES(8,1,270,277); INSERT INTO xyoff VALUES(8,2,849,281); INSERT INTO xyoff VALUES(8,2,563,242); INSERT INTO xyoff VALUES(8,2,704,463); INSERT INTO xyoff VALUES(8,2,102,165); INSERT INTO xyoff VALUES(8,2,797,524); INSERT INTO xyoff VALUES(8,2,612,426); INSERT INTO xyoff VALUES(8,2,345,372); INSERT INTO xyoff VALUES(8,2,820,376); INSERT INTO xyoff VALUES(8,2,789,156); INSERT INTO xyoff VALUES(8,2,321,466); INSERT INTO xyoff VALUES(8,3,150,332); INSERT INTO xyoff VALUES(8,3,136,152); INSERT INTO xyoff VALUES(8,3,468,528); INSERT INTO xyoff VALUES(8,3,409,192); INSERT INTO xyoff VALUES(8,3,820,216); INSERT INTO xyoff VALUES(8,3,847,249); INSERT INTO xyoff VALUES(8,3,801,267); INSERT INTO xyoff VALUES(8,3,181,670); INSERT INTO xyoff VALUES(8,3,398,563); INSERT INTO xyoff VALUES(8,3,439,576); INSERT INTO xyoff VALUES(8,4,123,309); INSERT INTO xyoff VALUES(8,4,190,496); INSERT INTO xyoff VALUES(8,4,571,531); INSERT INTO xyoff VALUES(8,4,290,255); INSERT INTO xyoff VALUES(8,4,244,412); INSERT INTO xyoff VALUES(8,4,264,596); INSERT INTO xyoff VALUES(8,4,253,420); INSERT INTO xyoff VALUES(8,4,847,536); INSERT INTO xyoff VALUES(8,4,120,288); INSERT INTO xyoff VALUES(8,4,331,639); /* Create the geopoly object from test data above */ CREATE VIRTUAL TABLE geo1 USING geopoly(type,clr); INSERT INTO geo1(_shape,type,clr) SELECT geopoly_xform(jshape,A,B,-B,A,xoff,yoff), basis.name, xform.clr FROM basis, xform, xyoff WHERE xyoff.id1=basis.rowid AND xyoff.id2=xform.rowid; /* Query polygon */ CREATE TEMP TABLE querypoly(poly JSON, clr TEXT); INSERT INTO querypoly(clr, poly) VALUES ('orange', '[[300,300],[400,350],[500,250],[480,500],[400,480],[300,550],[280,450],[320,400],[280,350],[300,300]]'); /* Generate the HTML */ .print '' .print '

Everything

' .print '' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',clr) ) FROM geo1; SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; .print '' .print '

Overlap Query

' .print '
'
.print 'SELECT *'
.print '  FROM geo1, querypoly'
.print ' WHERE geopoly_overlap(_shape, poly);'
.print 
EXPLAIN QUERY PLAN
SELECT geopoly_svg(_shape,
         printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr)
       )
  FROM geo1, querypoly
 WHERE geopoly_overlap(_shape, poly);
.print '
' .print '' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr) ) FROM geo1, querypoly WHERE geopoly_overlap(_shape, poly); SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; .print '' .print '

Overlap Query And Result Bounding Box

' .print '' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr) ) FROM geo1, querypoly WHERE geopoly_overlap(_shape, poly); SELECT geopoly_svg(geopoly_bbox(poly), 'style="fill:none;stroke:black;stroke-width:3"' ) FROM querypoly; SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; SELECT geopoly_svg(geopoly_group_bbox(_shape), 'style="fill:none;stroke:red;stroke-width:3"' ) FROM geo1, querypoly WHERE geopoly_overlap(_shape, poly); .print '' .print '

Bounding-Box Overlap Query

' .print '' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr) ), geopoly_svg(geopoly_bbox(_shape), 'style="fill:none;stroke:black;stroke-width:1"' ) FROM geo1, querypoly WHERE geopoly_overlap(geopoly_bbox(_shape), geopoly_bbox(poly)); SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; SELECT geopoly_svg(geopoly_bbox(poly), 'style="fill:none;stroke:black;stroke-width:3"' ) FROM querypoly; .print '' .print '

Within Query

' .print '
'
.print 'SELECT *'
.print '  FROM geo1, querypoly'
.print ' WHERE geopoly_within(_shape, poly);'
.print 
EXPLAIN QUERY PLAN
SELECT geopoly_svg(_shape,
         printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr)
       )
  FROM geo1, querypoly
 WHERE geopoly_within(_shape, poly);
.print '
' .print '' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr) ) FROM geo1, querypoly WHERE geopoly_within(_shape, poly); SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; .print '' .print '

Bounding-Box WITHIN Query

' .print '' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr) ), geopoly_svg(geopoly_bbox(_shape), 'style="fill:none;stroke:black;stroke-width:1"' ) FROM geo1, querypoly WHERE geopoly_within(geopoly_bbox(_shape), geopoly_bbox(poly)); SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; SELECT geopoly_svg(geopoly_bbox(poly), 'style="fill:none;stroke:black;stroke-width:3"' ) FROM querypoly; .print '' .print '

Not Overlap Query

' .print '
'
.print 'SELECT *'
.print '  FROM geo1, querypoly'
.print ' WHERE NOT geopoly_overlap(_shape, poly);'
.print 
EXPLAIN QUERY PLAN
SELECT geopoly_svg(_shape,
         printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr)
       )
  FROM geo1, querypoly
 WHERE NOT geopoly_overlap(_shape, poly);
.print '
' .print '' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr) ) FROM geo1, querypoly WHERE NOT geopoly_overlap(_shape, poly); SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; .print '' .print '

Not Within Query

' .print '
'
.print 'SELECT *'
.print '  FROM geo1, querypoly'
.print ' WHERE NOT geopoly_within(_shape, poly);'
.print 
EXPLAIN QUERY PLAN
SELECT geopoly_svg(_shape,
         printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr)
       )
  FROM geo1, querypoly
 WHERE NOT geopoly_within(_shape, poly);
.print '
' .print '' SELECT geopoly_svg(_shape, printf('style="fill:none;stroke:%s;stroke-width:1"',geo1.clr) ) FROM geo1, querypoly WHERE NOT geopoly_within(_shape, poly); SELECT geopoly_svg(poly, printf('style="fill:%s;fill-opacity:0.5;"',clr) ) FROM querypoly; .print '' .print '

Color-Change For Overlapping Elements

' 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; .print '' 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 '' .print '

Color-Change And Move Overlapping Elements

' 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 '' 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 '' .print '

Overlap With Translated Query Polygon

' UPDATE querypoly SET poly=geopoly_xform(poly,1,0,0,1,300,0); .print '' 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 '' .print '

Regular Polygons

' .print '' SELECT geopoly_svg(geopoly_regular(100,100,40,3),'style="fill:none;stroke:red;stroke-width:1"'); SELECT geopoly_svg(geopoly_regular(200,100,40,4),'style="fill:none;stroke:orange;stroke-width:1"'); SELECT geopoly_svg(geopoly_regular(300,100,40,5),'style="fill:none;stroke:green;stroke-width:1"'); SELECT geopoly_svg(geopoly_regular(400,100,40,6),'style="fill:none;stroke:blue;stroke-width:1"'); SELECT geopoly_svg(geopoly_regular(500,100,40,7),'style="fill:none;stroke:purple;stroke-width:1"'); SELECT geopoly_svg(geopoly_regular(600,100,40,8),'style="fill:none;stroke:red;stroke-width:1"'); SELECT geopoly_svg(geopoly_regular(700,100,40,10),'style="fill:none;stroke:orange;stroke-width:1"'); SELECT geopoly_svg(geopoly_regular(800,100,40,20),'style="fill:none;stroke:green;stroke-width:1"'); SELECT geopoly_svg(geopoly_regular(900,100,40,30),'style="fill:none;stroke:blue;stroke-width:1"'); .print '' .print ''