[mapserver-users] Drawing a line
Hi, How to draw a line on the map between two points given by the user? What all should be included in the mapfile for this line layer. ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
[mapserver-users] Displaying points on the map only for certain time period
Hi, I have to display a point on the map only for 5 seconds. After 5 seconds the second point from the database should be retrieved from the database and displayed.This process continues till all the points in the database is displayed.Can anyone tell me how to do this.. Thanks. ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
[mapserver-users] Connecting PHP/mapscript to mysql
Hi,Can anyone tell me how to connect php/mapscript yo mysql? I have to read points from the database and display it on the map. Thanks and Regards. ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
[mapserver-users] Querybypoint and drawquery
hi, iam new to mapservers.can i get a sample php code for implementation of queryBypoint and drawquery methods and the required changes to be made in the mapfile for this code to work.Also please say something about template in the layer. ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
[mapserver-users] Can anyone help me please???/
HI,
I have to display the user clicked point on the map. But i don get the
point in the map.. Can any one please correct my code..
?php
dl('php_mapscript.dll');
// Default values and configuration
$map_file=./usa12.map;
$map = ms_newMapObj($map_file);
if ( isset($HTTP_POST_VARS[mapa_x]) isset($HTTP_POST_VARS[mapa_y]))
{
$my_point = ms_newpointObj();
$my_point-setXY($HTTP_POST_VARS[mapa_x],$HTTP_POST_VARS[mapa_y]);
$nGeoX = Pix2Geo($my_point-x, 0,$map-width , $map-extext-minx,
$map-extent-maxx, 0);
$nGeoY = Pix2Geo($my_point-y, 0, $map-height, $map-extent-miny,
$map-extent-maxy, 1);
$point=ms_newpointobj();
$point-setXY($nGeoX,$nGeoY);
$layer=$map-getLayerByName(US state boundaries);
if (@$layer-queryByPoint($point,MS_SINGLE ,0) == MS_SUCCESS)
{
$image_from_query=$map-drawQuery();
$image_from_query_url=$image_from_query-saveWebImage();
}
}
function Pix2Geo($nPixPos, $dfPixMin, $dfPixMax, $dfGeoMin, $dfGeoMax,
$nInversePix)
{
$dfWidthGeo = $dfGeoMax - $dfGeoMin;
$dfWidthPix = $dfPixMax - $dfPixMin;
$dfPixToGeo = $dfWidthGeo / $dfWidthPix;
if (!$nInversePix)
$dfDeltaPix = $nPixPos - $dfPixMin;
else
$dfDeltaPix = $dfPixMax - $nPixPos;
$dfDeltaGeo = $dfDeltaPix * $dfPixToGeo;
$dfPosGeo = $dfGeoMin + $dfDeltaGeo;
return ($dfPosGeo);
}
$image=$map-draw();
$image_url=$image-saveWebImage();
?
map file
MAP
NAME USA1
STATUS ON
SIZE 800 500
IMAGETYPE PNG
IMAGECOLOR 200 200 200
SHAPEPATH C:\ms4w\Apache\data
EXTENT -800 30 500 150
UNITS METERS
PROJECTION
proj=lcc lat_1=32 lat_2=44 lat_0=38 lon_0=-100 x_0=0
y_0=0 ellps=GRS80 datum=NAD83
END
WEB
IMAGEPATH C:\ms4w\tmp\ms_tmp
IMAGEURL C:\ms4w\tmp\ms_tmp
END
LAYER
NAME US state boundaries
TYPE POLYGON
STATUS ON
DATA statesp020
PROJECTION
proj=latlong
ellps=GRS80
datum=NAD83
END
CLASS
NAME US states
OUTLINECOLOR 175 175 175
COLOR 150 150 150
SYMBOL 0
TEMPLATE hello.html
END
END
END
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[mapserver-users] querybypoint
hi, Can anyone tell me about QueryBypoint method and the faetures to be included in the mapfile for this method to work ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
[mapserver-users] pix2geo
hello,
iam new to mapservers and iam trying to display the selected point in terms
of lat-long. i get errors in the code which i tried to implement
if ( isset($HTTP_POST_VARS[mapa_x]) isset($HTTP_POST_VARS[mapa_y])
) {
$my_point = ms_newpointObj();
$my_point-setXY($HTTP_POST_VARS[mapa_x],$HTTP_POST_VARS[mapa_y]);
$reference_click = pix2geo($mapa_x,$mapa_y,$map-extent,
$map-width,$mapobj-height);
function pix2geo($pix_x,$pix_y,$extent,$width,$height) {
$pix_x_geo_x = ($extent-maxx - $extent-minx)
/ ($width - 1);
$pix_x_geo_y = ($extent-maxy - $extent-miny)
/ ($height - 1);
$geo_x = $extent-minx + $pix_x_geo_x*$pix_x;
$geo_y = $extent-maxy - $pix_x_geo_y*$pix_y;
$my_point = ms_newPointObj();
$my_point-setXY($geo_x,$geo_y);
return $my_point;
}
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[mapserver-users] Displaying a point given its latitude and longitude
Hello, How to display a point in the map given its latitude and longitude.R there any methods under php/mapscript to do this? ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
[mapserver-users] Pix2geo
Hi, Can u get me an exaple for pix2geo function implementation?how to display the user given co-ordinates on the map? ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
[mapserver-users] Doubt
Hi, i will have to display point in a map given its co-ordinates.The co-ordinates has to be given manually.What do i have to do for that? ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
[mapserver-users] Converting pixel position to geographic co-ordinates
Hi, What is the function used to convert pixel position to geographic co-ordinates in php/mapscript? ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
