[pgrouting-users] pgrouting Dijksta Travelling Salesman Problem (TSP) with OpenStreetmap
Carsten Hogertz
carsten.hogertz at gmail.com
Thu Feb 20 13:59:44 PST 2014
2014-02-20 22:47 GMT+01:00 Stephen Woodbridge <woodbri at swoodbridge.com>:
> On 2/20/2014 4:39 PM, Carsten Hogertz wrote:
>
>>
>>
>>
>> 2014-02-20 22:20 GMT+01:00 Stephen Woodbridge <woodbri at swoodbridge.com
>> <mailto:woodbri at swoodbridge.com>>:
>>
>>
>> On 2/20/2014 3:54 PM, Carsten Hogertz wrote:
>>
>> Thanks Steve,
>>
>> coming home and adding your lines it returns with an error:
>>
>> NOTICE: r2:
>> (34304,"{0,5.3602868897 <tel:3602868897>,4.6782573327
>> <tel:6782573327>,5.6026971537 <tel:6026971537>,5.2062747797
>> <tel:2062747797>,5.__0497181017,5.3147719797
>> <tel:3147719797>,5.__0700916462,4.3220066797,4.__8593618137
>> <tel:8593618137>,4.0002255227,6.__055760592,12.5155379824
>> <tel:5155379824>,9.__3170226155,8.72783427270001,5.__9460446587,
>> 3.0868131677,5.__1839796057,5.2301666167,2.__1211198847,5.7037465591
>> <tel:7037465591>,2.__7282842677,8.4758437557
>> <tel:4758437557>,11.__1027935904,7.9434273599,7.__8361619299,7.
>> 7610621969,7.__4929139614,5.8106133327
>> <tel:8106133327>,5.__9579132527,5.9888473034,6.__5618433959
>> <tel:5618433959>,4.5013708887
>> <tel:5013708887>,1.__9218516244,5.7559805232,5.__2267081177
>> <tel:2267081177>,5.0968196707,4.__8949133597,5.9137964962
>> <tel:9137964962>,4.__2936059427,4.6948533593,3.__4377318427
>> <tel:4377318427>,3.7991617067,4.__1242444467,3.8858731777,3.__
>> 9596393887,4.9192685996
>> <tel:9192685996>,4.__6734033563,4.7511846457,4.__4544981945,4.
>> 2748693367,3.__411559417,6.6851381985,6.__6744741285,6.9296475385
>> ,7.__0136847108,7.1371500908,7.__2719520708,6.6787720528
>> ,7.__3530295908,6.8599596928,7.__2216891568,7.4951304208,7.__4404728868
>> ,8.1332243958,6.__2736028029,6.963685048,6.__0483763169,5.8653351624,5.__
>> 6164044005,6.54979166,5.__8783224469,6.533468297,5.__8553434082,5.
>> 7676662122,6.__267915357,5.22607939
>>
>> 03,3.745459072,6.352470342,5.__4392033722,5.5562602522,5.__
>> 3996670482,6.171297855,5.__648779598,5.5653279855,5.__
>> 671668653,5.3243595462,5.__879320328,5.859442385,6.__
>> 080574272,5.3767159992,6.__170852717,5.3001119472,5.__
>> 687201287,5.3573110752,3.__586385579,5.566591422,5.__
>> 5104826925,5.916268775,5.__4418422465,5.4037394705,5.__
>> 640889612,5.1407657702,4.__5523677017,5.3873769863,3.__
>> 601570449,2.978252449,4.__8725960282,4.9817842222,5.__
>> 2355359365,5.1227105795,5.__177856607,5.098596533,5.__
>> 1891181988,4.9327118245,4.__4632330777,7.4879538737,4.__
>> 8591269625,3.1339054377,5.__8472818275,4.6043306952,3.__
>> 3542942377,4.7660145915,6.__6679095357,5.51150886,2.__
>> 7404344677,5.9332075344,6.__2019594857,5.266709364,5.__
>> 4924174224,5.180577724,3.__0277711677,6.2913260157,4.__
>> 2862670877,5.5461328154,5.__5809644644,5.1132029296,5.__
>> 1904326724,4.8352505633,4.__9641930171,5.1366240426,7.__
>> 0699378037,3.1274712477,5.__1487646306,5.2717034197,5.__
>> 0200090866,3.0911490977,5.__8984613527,5.1973381747,4.__
>>
> 2427530627,6.7293864957,4.__7943011637,5.1130266607,5.__
> 3948779287,4.7124246547,5.2
>
>> 186371577,2.9723417287 <tel:9723417287>,2.3171875277,2.8159853427
>> <tel:8159853427>,__4.7913513947,4.7863347867
>> <tel:7863347867>,3.4531342837,__3.8161332287,5.8431115757,4.__
>> 4873126817,5.6577494097,5.__5867970832,9.4583860946,2.__
>> 7784615917,5.4279953797,1.__9376872717,5.0813930177,5.__
>> 8860618114,6.2411339874,6.__4536904614,6.0972641874,5.__
>> 7247963284,5.9823452114,5.__8316140784,5.2398164977,6.__
>> 2963392357,5.5864457124,6.__1599995178,5.2609646384,6.__
>> 1012355027,6.4129483756,6.__0056487896,5.0106569884,5.__
>> 4239402364,6.1148656496,2.__673828844,4.3332873457,3.__
>> 2943586634,4.5834393467,7.__278601561,3.5870893269,3.__
>> 3299191554,4.1049776549,5.__9256568037,6.2719334873,6.__
>> 2594329923,5.5752581689,5.__6058592867,6.1311384893,6.__
>> 4726413519,5.8973941434,6.__2572672069,5.9667442136,5.__
>> 3965422637,7.2837623985,6.__9586195092,7.1137641952,6.__
>> 3682104908,7.8495628418,7.__2245886958,6.2983788278,7.__
>> 3509762248,6.9925366658,6.__5600944468,6.936328733,6.__
>> 616665943,6.738732443}")
>>
>>
>> CONTEXT: PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN
>> QUERY
>> PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
>> NOTICE: r2.id1: 34304
>> CONTEXT: PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN
>> QUERY
>> PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
>> NOTICE: ids: <NULL>
>> CONTEXT: PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN
>> QUERY
>> PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
>> ERROR: cannot concatenate incompatible arrays
>> DETAIL: Arrays with differing element dimensions are not
>> compatible for
>> concatenation.
>> CONTEXT: PL/pgSQL function "pgr_makedijkstramatrix" line 25 at
>> assignment
>> PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
>> PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
>>
>> I tried to write to Dose but he didn't reply yet.
>> Does anyone have a clue?
>>
>>
>> Try adding the follow line after the "begin" line:
>>
>> ids := '{}'::integer[];
>>
>> This should make sure the ids is initialized as an empty array of
>> integers.
>>
>> -Steve
>>
>>
>>
>> Again:
>> NOTICE: r2:
>> (34304,"{0,5.3602868897,4.6782573327,5.6026971537,5.2062747797,5.
>> 0497181017,5.3147719797,5.0700916462,4.3220066797,4.
>> 8593618137,4.0002255227,6.055760592,12.5155379824,9.
>> 3170226155,8.72783427270001,5.9460446587,3.0868131677,5.
>> 1839796057,5.2301666167,2.1211198847,5.7037465591,2.
>> 7282842677,8.4758437557,11.1027935904,7.9434273599,7.
>> 8361619299,7.7610621969,7.4929139614,5.8106133327,5.
>> 9579132527,5.9888473034,6.5618433959,4.5013708887,1.
>> 9218516244,5.7559805232,5.2267081177,5.0968196707,4.
>> 8949133597,5.9137964962,4.2936059427,4.6948533593,3.
>> 4377318427,3.7991617067,4.1242444467,3.8858731777,3.
>> 9596393887,4.9192685996,4.6734033563,4.7511846457,4.
>> 4544981945,4.2748693367,3.411559417,6.6851381985,6.
>> 6744741285,6.9296475385,7.0136847108,7.1371500908,7.
>> 2719520708,6.6787720528,7.3530295908,6.8599596928,7.
>> 2216891568,7.4951304208,7.4404728868,8.1332243958,6.
>> 2736028029,6.963685048,6.0483763169,5.8653351624,5.
>> 6164044005,6.54979166,5.8783224469,6.533468297,5.
>> 8553434082,5.7676662122,6.267915357,5.22607939
>>
> 03,3.745459072,6.352470342,5.4392033722,5.5562602522,5.
> 3996670482,6.171297855,5.648779598,5.5653279855,5.
> 671668653,5.3243595462,5.879320328,5.859442385,6.080574272,5.3767159992,6.
> 170852717,5.3001119472,5.687201287,5.3573110752,3.586385579,5.566591422,5.
> 5104826925,5.916268775,5.4418422465,5.4037394705,5.
> 640889612,5.1407657702,4.5523677017,5.3873769863,3.
> 601570449,2.978252449,4.8725960282,4.9817842222,5.
> 2355359365,5.1227105795,5.177856607,5.098596533,5.
> 1891181988,4.9327118245,4.4632330777,7.4879538737,4.
> 8591269625,3.1339054377,5.8472818275,4.6043306952,3.
> 3542942377,4.7660145915,6.6679095357,5.51150886,2.
> 7404344677,5.9332075344,6.2019594857,5.266709364,5.
> 4924174224,5.180577724,3.0277711677,6.2913260157,4.
> 2862670877,5.5461328154,5.5809644644,5.1132029296,5.
> 1904326724,4.8352505633,4.9641930171,5.1366240426,7.
> 0699378037,3.1274712477,5.1487646306,5.2717034197,5.
> 0200090866,3.0911490977,5.8984613527,5.1973381747,4.
> 2427530627,6.7293864957,4.7943011637,5.1130266607,5.
> 3948779287,4.7124246547,5.2
> 186371577,2.9723417287,2.3171875277,2.8159853427,4.7913513947,4.7863347867
> ,3.4531342837,3.8161332287,5.8431115757,4.4873126817,5.6577494097,5.
> 5867970832,9.4583860946,2.7784615917,5.4279953797,1.
> 9376872717,5.0813930177,5.8860618114,6.2411339874,6.
> 4536904614,6.0972641874,5.7247963284,5.9823452114,5.
> 8316140784,5.2398164977,6.2963392357,5.5864457124,6.
> 1599995178,5.2609646384,6.1012355027,6.4129483756,6.
> 0056487896,5.0106569884,5.4239402364,6.1148656496,2.
> 673828844,4.3332873457,3.2943586634,4.5834393467,7.
> 278601561,3.5870893269,3.3299191554,4.1049776549,5.
> 9256568037,6.2719334873,6.2594329923,5.5752581689,5.
> 6058592867,6.1311384893,6.4726413519,5.8973941434,6.
> 2572672069,5.9667442136,5.3965422637,7.2837623985,6.
> 9586195092,7.1137641952,6.3682104908,7.8495628418,7.
> 2245886958,6.2983788278,7.3509762248,6.9925366658,6.
> 5600944468,6.936328733,6.616665943,6.738732443}")
>
>> CONTEXT: PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
>> PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
>> NOTICE: r2.id1: 34304
>> CONTEXT: PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
>> PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
>> NOTICE: ids: {}
>>
>> CONTEXT: PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
>> PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
>> ERROR: cannot concatenate incompatible arrays
>> DETAIL: Arrays with differing element dimensions are not compatible for
>> concatenation.
>> CONTEXT: PL/pgSQL function "pgr_makedijkstramatrix" line 26 at assignment
>> PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
>> PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
>>
>> Thanks for your help. Maybe you need some other facts about my table?
>> The whole script I am excecuting is the following. I changed some
>> things, like adding your code and changing the table name 'ways' to
>> 'cgn_2po_4pgr':
>>
>> create or replace function pgr_makeDijkstraMatrix(thetbl text, sqlP
>> text, OUT dmatrix double precision[], OUT ids integer[])
>> as
>> $body$
>> declare
>> sql text;
>> sql2 text;
>> r record;
>> r2 record;
>> i integer;
>> j integer;
>> matrixl double precision[];
>> begin
>>
>> ids := '{}'::integer[];
>> sql:='select node, id-1 as id from '||thetbl;
>> for r in execute sql loop
>> sql2:='select id1, array_agg(cost) as arow from (
>> SELECT id1, id2, cost
>> FROM pgr_kdijkstraCost('''||sqlP||''', '||r.node||
>> ', (select array_agg(node) from '||thetbl||' where
>> id>'||r.id <http://r.id>||'), false, false)
>>
>> ) as foo group by id1 order by id1';
>> for r2 in execute sql2 loop
>> matrixl := '{}';
>> for i in 1..r.id <http://r.id> loop
>>
>> matrixl := array_append(matrixl, dmatrix[i][r.id
>> <http://r.id>+1]);
>>
>> end loop;
>> matrixl := array_cat(matrixl, r2.arow);
>> dmatrix := array_cat(dmatrix, array[matrixl]);
>> raise notice 'r2: %', r2;
>> raise notice 'r2.id1: %', r2.id1;
>> raise notice 'ids: %', ids;
>>
>
> Sorry, I don't have a running version of this so this is somewhat guess
> work.
>
> -- ids := ids || r2.id1;
> ids := array_cat(ids, r2.id1);
>
> So comment out the old like and rewrite like this.
>
> -Steve
>
Thanks for all your help Steve,
hope, we're getting closer! Look, not it returns this:
NOTICE: r2:
(34304,"{0,5.3602868897,4.6782573327,5.6026971537,5.2062747797,5.0497181017,5.3147719797,5.0700916462,4.3220066797,4.8593618137,4.0002255227,6.055760592,12.5155379824,9.3170226155,8.72783427270001,5.9460446587,3.0868131677,5.1839796057,5.2301666167,2.1211198847,5.7037465591,2.7282842677,8.4758437557,11.1027935904,7.9434273599,7.8361619299,7.7610621969,7.4929139614,5.8106133327,5.9579132527,5.9888473034,6.5618433959,4.5013708887,1.9218516244,5.7559805232,5.2267081177,5.0968196707,4.8949133597,5.9137964962,4.2936059427,4.6948533593,3.4377318427,3.7991617067,4.1242444467,3.8858731777,3.9596393887,4.9192685996,4.6734033563,4.7511846457,4.4544981945,4.2748693367,3.411559417,6.6851381985,6.6744741285,6.9296475385,7.0136847108,7.1371500908,7.2719520708,6.6787720528,7.3530295908,6.8599596928,7.2216891568,7.4951304208,7.4404728868,8.1332243958,6.2736028029,6.963685048,6.0483763169,5.8653351624,5.6164044005,6.54979166,5.8783224469,6.533468297,5.8553434082,5.7676662122,6.267915357,5.2260793903,3.745459072,6.352470342,5.4392033722,5.5562602522,5.3996670482,6.171297855,5.648779598,5.5653279855,5.671668653,5.3243595462,5.879320328,5.859442385,6.080574272,5.3767159992,6.170852717,5.3001119472,5.687201287,5.3573110752,3.586385579,5.566591422,5.5104826925,5.916268775,5.4418422465,5.4037394705,5.640889612,5.1407657702,4.5523677017,5.3873769863,3.601570449,2.978252449,4.8725960282,4.9817842222,5.2355359365,5.1227105795,5.177856607,5.098596533,5.1891181988,4.9327118245,4.4632330777,7.4879538737,4.8591269625,3.1339054377,5.8472818275,4.6043306952,3.3542942377,4.7660145915,6.6679095357,5.51150886,2.7404344677,5.9332075344,6.2019594857,5.266709364,5.4924174224,5.180577724,3.0277711677,6.2913260157,4.2862670877,5.5461328154,5.5809644644,5.1132029296,5.1904326724,4.8352505633,4.9641930171,5.1366240426,7.0699378037,3.1274712477,5.1487646306,5.2717034197,5.0200090866,3.0911490977,5.8984613527,5.1973381747,4.2427530627,6.7293864957,4.7943011637,5.1130266607,5.3948779287,4.7124246547,5.2186371577,2.9723417287,2.3171875277,2.8159853427,4.7913513947,4.7863347867,3.4531342837,3.8161332287,5.8431115757,4.4873126817,5.6577494097,5.5867970832,9.4583860946,2.7784615917,5.4279953797,1.9376872717,5.0813930177,5.8860618114,6.2411339874,6.4536904614,6.0972641874,5.7247963284,5.9823452114,5.8316140784,5.2398164977,6.2963392357,5.5864457124,6.1599995178,5.2609646384,6.1012355027,6.4129483756,6.0056487896,5.0106569884,5.4239402364,6.1148656496,2.673828844,4.3332873457,3.2943586634,4.5834393467,7.278601561,3.5870893269,3.3299191554,4.1049776549,5.9256568037,6.2719334873,6.2594329923,5.5752581689,5.6058592867,6.1311384893,6.4726413519,5.8973941434,6.2572672069,5.9667442136,5.3965422637,7.2837623985,6.9586195092,7.1137641952,6.3682104908,7.8495628418,7.2245886958,6.2983788278,7.3509762248,6.9925366658,6.5600944468,6.936328733,6.616665943,6.738732443}")
CONTEXT: PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
NOTICE: r2.id1: 34304
CONTEXT: PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
NOTICE: ids: {}
CONTEXT: PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
ERROR: function array_cat(integer[], integer) does not exist
LINE 1: SELECT array_cat(ids, r2.id1)
^
HINT: No function matches the given name and argument types. You might
need to add explicit type casts.
QUERY: SELECT array_cat(ids, r2.id1)
CONTEXT: PL/pgSQL function "pgr_makedijkstramatrix" line 31 at assignment
PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
********** Fehler **********
ERROR: function array_cat(integer[], integer) does not exist
SQL Status:42883
Hinweis:No function matches the given name and argument types. You might
need to add explicit type casts.
Kontext:PL/pgSQL function "pgr_makedijkstramatrix" line 31 at assignment
PL/pgSQL function "pgr_tspdijkstra" line 8 at RETURN QUERY
PL/pgSQL function "pgr_tspdijkstralen" line 3 at RETURN QUERY
Function does not exist? Still have an idea?
Thanks
Carsten
>
> end loop;
>> end loop;
>> end;
>> $body$
>> language plpgsql stable cost 10;
>>
>>
>> create or replace function pgr_tspDijkstra(thetbl text, sql text,
>> start_id integer, end_id integer default (-1))
>> returns setof pgr_costResult as
>> $body$
>> declare
>> sid integer;
>> eid integer;
>>
>> begin
>>
>> return query with dm as (
>> select * from pgr_makeDijkstraMatrix( thetbl, sql )
>> ),
>> ids as (
>> select (row_number() over (order by id asc))-1 as rnum, id
>> from (
>> select unnest(ids) as id
>> from dm
>> ) foo
>> ),
>> t as (
>> select a.seq, b.rnum, b.id <http://b.id>
>>
>> from pgr_tsp(
>> (select dmatrix from dm),
>> (select rnum from ids where id=start_id limit
>> 1)::integer,
>> (case when end_id = -1 then -1 else (select rnum
>> from ids where id=end_id limit 1) end)::integer
>> ) a,
>> ids b
>> where a.id <http://a.id>=b.rnum
>>
>> ),
>> r as (
>> select array_agg(t.rnum) as rnum from t
>> )
>> select t.seq::integer,
>> t.rnum::integer as id1,
>> t.id::integer as id2,
>>
>> dm.dmatrix[r.rnum[t.seq+1]+1][r.rnum[(t.seq+1)%array_length(r.rnum,
>> 1)+1]+1]::float8 as cost
>> from t, dm, r;
>> end;
>> $body$
>> language plpgsql volatile cost 50 rows 50;
>>
>>
>> create or replace function pgr_tspDijkstraLen(thetbl text, start_id
>> integer, end_id integer default (-1))
>> returns setof pgr_costResult as
>> $body$
>> begin
>> return query SELECT * FROM pgr_tspDijkstra(thetbl,
>> 'SELECT id, source::integer, target::integer, length::double
>> precision AS cost FROM cgn_2po_4pgr',
>> start_id, end_id);
>> end;
>> $body$
>> language plpgsql stable;
>>
>>
>> Maybe you've got another idea?
>> Thank you
>> Carsten
>>
>>
>> Thanks for you help
>> Carsten
>>
>>
>> 2014-02-20 16:24 GMT+01:00 Stephen Woodbridge
>> <woodbri at swoodbridge.com <mailto:woodbri at swoodbridge.com>
>> <mailto:woodbri at swoodbridge.__com
>>
>> <mailto:woodbri at swoodbridge.com>>>:
>>
>>
>> On 2/20/2014 9:41 AM, Stephen Woodbridge wrote:
>>
>> Hi Carsten,
>>
>> The functions at
>> http://dose.0wnz.at/scripts/____sql/pgroute_tspDijkstra.sql
>> <http://dose.0wnz.at/scripts/__sql/pgroute_tspDijkstra.sql>
>>
>>
>>
>> <http://dose.0wnz.at/scripts/__sql/pgroute_tspDijkstra.sql
>> <http://dose.0wnz.at/scripts/sql/pgroute_tspDijkstra.sql>>
>> are not part of pgRouting.
>>
>> You need to ask this question to Ivan the author of the
>> original
>> article.
>>
>>
>> Sorry, Dose was the original author.
>>
>>
>>
>> You probably need to add some debug statements to get a
>> better
>> understanding of what the code is doing. For example in
>> pgr_makeDijkstraMatrix before the statement:
>>
>> ids := ids || array[r2.id1];
>>
>>
>> You could try changing this line to:
>>
>> ids := ids || r2.id1;
>>
>> and see if that fixes the problem.
>>
>> -Steve
>>
>>
>> Add:
>>
>> raise notice 'r2: %', r2;
>> raise notice 'r2.id1: %', r2.id1;
>> raise notice 'ids: %', ids;
>>
>> This should show you the progression of how the array
>> ids is getting
>> built as it appears to be compaining about that in the
>> error
>> message.
>>
>> Hope this helps,
>> -Steve
>>
>> On 2/20/2014 9:21 AM, Carsten Hogertz wrote:
>>
>> Hi everybody, I am new to this list and new to
>> pgrouting.
>>
>> I found the following TSP example
>> http://hardwarefetish.com/513-____pgrouting-dijksta-__
>> travelling-__salesman-problem-__tsp-with-__openstreetmap
>> <http://hardwarefetish.com/513-__pgrouting-dijksta-
>> travelling-__salesman-problem-tsp-with-__openstreetmap>
>>
>>
>> <http://hardwarefetish.com/__513-pgrouting-dijksta-__
>> travelling-salesman-problem-__tsp-with-openstreetmap
>>
>> <http://hardwarefetish.com/513-pgrouting-dijksta-
>> travelling-salesman-problem-tsp-with-openstreetmap>>
>>
>> and tried to reproduce the solution.
>>
>> Unfortunately I always get an error message.
>> My DB is complaining about one of your functions.
>>
>> I got my routing table from osm2po. The table has
>> the following
>> structure:
>>
>> 1;”id”;”integer”
>> 2;”osm_id”;”bigint”
>> 3;”osm_name”;”character varying”
>> 4;”osm_meta”;”character varying”
>> 5;”osm_source_id”;”bigint”
>> 6;”osm_target_id”;”bigint”;
>> 7;”clazz”;”integer”
>> 8;”flags”;”integer”
>> 9;”source”;”integer”
>> 10;”target”;”integer”
>> 11;”length”;”double precision”
>> 12;”kmh”;”integer”
>> 13;”cost”;”double precision”
>> 14;”reverse_cost”;”double precision”
>> 15;”x1″;”double precision”
>> 16;”y1″;”double precision”
>> 17;”x2″;”double precision”
>> 18;”y2″;”double precision”
>> 19;”geom_way”;”geometry(____LineString,4326)”
>>
>>
>>
>> - I installed the functions as mentioned via SQL
>> window in
>> pgAdmin3
>> (copy&paste then excecute)
>> - I create and populate the my_route table
>> - When it comes to step 5 and I try
>>
>> select id,lon,lat from
>> pgr_tspDijkstraLen(’my_route’, 1260
>> ) dj, my_route rt where dj.id2=rt.node;
>>
>> my DB warns
>>
>> ERROR: cannot concatenate incompatible arrays
>> DETAIL: Arrays with differing element dimensions
>> are not
>> compatible for
>> concatenation.
>> CONTEXT: PL/pgSQL function “pgr_makedijkstramatrix”
>> line 25 at
>> assignment PL/pgSQL function “pgr_tspdijkstra” line
>> 8 at
>> RETURN QUERY
>> PL/pgSQL function “pgr_tspdijkstralen” line 3 at
>> RETURN QUERY
>>
>> ********** Fehler **********
>>
>> ERROR: cannot concatenate incompatible arrays SQL
>> Status:2202E
>> Detail:Arrays with differing element dimensions are
>> not
>> compatible for
>> concatenation.
>> Kontext:PL/pgSQL function “pgr_makedijkstramatrix”
>> line 25
>> at assignment
>> PL/pgSQL function “pgr_tspdijkstra” line 8 at
>> RETURN QUERY
>> PL/pgSQL function “pgr_tspdijkstralen” line 3 at
>> RETURN QUERY
>>
>> Do you have any idea what went wrong? I really
>> really need your
>> solutionget working. I would appreciate a lot.
>>
>> Thanks for your help.
>>
>> PS: this text is a copy of what I wrote on on the
>> comment
>> site of the
>> blog where I found the solution.
>>
>> BR
>> Carsten
>>
>>
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