Chaitanya,
I could not succeeded What I have tried.
the problem is I'm not good at mysql.
I think I could not do this job.
I'm really upset.
Are there a different way or easy way to draw line using mysql table
data..
Regards
On Mon, 2012-03-05 at 10:44 +0200, Murat Beyhan wrote:
> Chaitanya,
>
> I was forget to convert lat lon to string as you said before than I was
> use BINARY to convert it but I could not converted ı think because still
> same problem continuing.
>
> as follows
>
>
> CREATE OR REPLACE
> ALGORITHM = UNDEFINED
> VIEW `lineview3` (
> eq_id,
> geom
> ) AS
> SELECT eq_id,
> BINARY CONCAT( 'LINESTRING(', lon1, ' ', lat1, ',', lon2, ' ', lat2,
> ')' ) AS geom
> FROM sfault
>
>
> Ok, I will tyr cast. By the way I learn more about mysql, too..
> thanks
> Murat
>
>
> On Mon, 2012-03-05 at 14:07 +0530, Chaitanya kumar CH wrote:
> > Murat,
> >
> > Perhaps you can use the CAST operator to convert the data type to
> > varchar.
> >
> > On Monday, March 5, 2012, Murat Beyhan <bey...@deprem.gov.tr> wrote:
> > > Chaitanya,
> > >
> > > Thanks for your help, I try to use concat to create view from
> > database
> > > which is storing start and end of the point of the line
> > > as follows.
> > >
> > >
> > > create view lineview6 as select eq_id,
> > > CONCAT('LINESTRING(',lon1,'',lat1,',',lon2,'',lat2,')') as geom from
> > > sfault
> > >
> > >
> > >
> > > but at the previous problem still could not solve
> > > as you said geom field should be string but view automatically
> > decided
> > > the format of the geom column randomly (now is var). then the select
> > sql
> > > result of the view as follows and mapserver does not draw line.
> > >
> > >
> > > SQL result
> > > Host: localhost
> > > Database: dynamic
> > > Generation Time: Mar 05, 2012 at 09:52 AM
> > > Generated by: phpMyAdmin 3.3.10 / MySQL 5.1.55
> > > SQL query: SELECT * FROM `lineview6` LIMIT 0, 30 ;Rows: 1
> > >
> > > eq_id
> > > geom
> > > 20100308023229
> > > LINESTRING(38.7901 40.0811,38.7428
> > > 40.0311)
> > >
> > >
> > > and structure of the lineview6 is as follows
> > >
> > > eq_id varchar(14)
> > > geom var(51)
> > >
> > > please excuse me for this
> > >
> > > murat
> > >
> > >
> > >
> > > On Fri, 2012-03-02 at 21:38 +0530, Chaitanya kumar CH wrote:
> > >> Please refer to my previous posts.
> > >> Modify the SQL select command. Use the CONCAT function instead of
> > the
> > >> + operator to create the wkt.
> > >>
> > >> It should be something like this: CONCAT('LINESTRING(', x1, ' ',
> > y1,
> > >> ',', x2, ' ', y2, ')')
> > >> You may have to change the order of the points.
> > >>
> > >> On Fri, Mar 2, 2012 at 9:24 PM, Murat Beyhan <bey...@deprem.gov.tr>
> > >> wrote:
> > >> Chaitanya,
> > >>
> > >> I store data in table not view as I told you before becasue
> > I
> > >> could not
> > >> declare column as string, then I create a new table and
> > select
> > >> fault(line) column as linestring. in mysql WKT support
> > these
> > >> format
> > >>
> > >>
> > >> * A LineString with four points:
> > >>
> > >> LINESTRING(0 0, 10 10, 20 25, 50 60)
> > >>
> > >> Note that point coordinate pairs are separated by
> > >> commas.
> > >>
> > >> * A Polygon with one exterior ring and one interior
> > ring:
> > >>
> > >> POLYGON((0 0,10 0,10 10,0 10,0 0),(5 5,7 5,7 7,5 7,
> > 5
> > >> 5))
> > >> * A MultiPoint with three Point values:
> > >>
> > >> MULTIPOINT(0 0, 20 20, 60 60)
> > >> * A MultiLineString with two LineString values:
> > >>
> > >> MULTILINESTRING((10 10, 20 20), (15 15, 30 15))
> > >> * A MultiPolygon with two Polygon values:
> > >>
> > >> MULTIPOLYGON(((0 0,10 0,10 10,0 10,0 0)),((5 5,7 5,7
> > >> 7,5 7, 5 5)))
> > >> * A GeometryCollection consisting of two Point values
> > and
> > >> one
> > >> LineString:
> > >>
> > >> GEOMETRYCOLLECTION(POINT(10 10), POINT(30 30),
> > >> LINESTRING(15 15, 20 20))
> > >>
> > >>
> > >> How to modify wkt geometry in string format
> > >> in map file it is already defined as
> > >> <GeometryType>wkbLineString</GeometryType>
> > >> like this.
> > >>
> > >> I really sorry for giving trouble to you. Thanks
> > >>
> > >> murat
> > >>
> > >> On Fri, 2012-03-02 at 21:19 +0530, Chaitanya kumar CH
> > wrote:
> > >> > Modify the table to store the line as a wkt geometry in
> > >> string format.
> > >> >
> > >> > On Fri, Mar 2, 2012 at 9:12 PM, Murat Beyhan
> > >> <bey...@deprem.gov.tr>
> > >> > wrote:
> > >> > Chaitanya,
> > >> >
> > >> > I mean What should I do,
> > >> > Still could not draw a simple line on the map,
> > >> > Please how can I overcome this issue. How can I
> > >> change VRT
> > >> > file.
> > >> > in order to read data from such table storing
> > data
> > >> as
> > >> > linestring
> > >> >
> > >> > regards
> > >> >
> > >> > murat
> > >
> >
> > --
> > Best regards,
> > Chaitanya kumar CH.
> >
> > +91-9494447584
> > 17.2416N 80.1426E
> >
> > --
> > This message has been scanned for viruses and
> > dangerous content by MailScanner, and is
> > believed to be clean.
>
>
>
> Murat BEYHAN
>
> Jeofizik Y.Müh.
> T.C. Başbakanlık
> Afet ve Acil Durum Yönetimi Başkanlığı
> Deprem Dairesi Başkanlığı
> Eskişehir Yolu 12. Km.
> Lodumlu/ANKARA
> Tel: 312 2872680-1556
> email:bey...@deprem.gov.tr
>
>
>
>
Murat BEYHAN
Jeofizik Y.Müh.
T.C. Başbakanlık
Afet ve Acil Durum Yönetimi Başkanlığı
Deprem Dairesi Başkanlığı
Eskişehir Yolu 12. Km.
Lodumlu/ANKARA
Tel: 312 2872680-1556
email:bey...@deprem.gov.tr
--
This message has been scanned for viruses and
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