[mapserver-users] Re: Raster Display Performance

2010-09-24 Thread goncalo

Hi,

Thanks. I will try that too.
Now I am trying other solutions like use mapnik to tile the map and create
the directory and than use that directory in a http server with sample get
requests directly to the .png files.

I will try both solutions.

Best regards,
Gonçalo
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[mapserver-users] Re: Raster Display Performance

2010-09-20 Thread goncalo

I have instaled the tileCache application, but I think I'm not using that.
This error have something to do with TileCache aplication?

Gonçalo
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[mapserver-users] Re: Raster Display Performance

2010-09-20 Thread goncalo

Hi,

I'm using http requests and fcgi like the following line:
"http://10.205.1.199:8080/fcgi-bin/mapserv.exe?map=/ms4w/apps/tutorial/example.map&mode=tile&tilemode=gmap&tile={x}+{y}+{z}";

My client is a .NET application that I'm developing. I'm using a control
created by telerik (radMap) that uses WMS like bing maps and openstreetmaps.
That control have a problem we just can use online maps we can use our local
maps, so I try to use MapServer to serve our local maps. This control
(radMap) have a function GetTile() that calls the tile needed to display and
in this method I'm calling the fcgi request in the previous line.

When I do a request using the browser it appears to look everything ok. I
get the image.

Best regards,
Gonçalo


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[mapserver-users] Re: Raster Display Performance

2010-09-20 Thread goncalo

Hi,

Thanks for you help. 

> Your process and the mapfile you sent were building a raster layer from 
> one single image file that was used through tileindex. Is this really 
> your situation? 

I think yes. What I want is to use tiled images because of the large image
resolution. I saw in some posts that is possible to tile one .tif file into
another .tif with small tiles of the original image. I tied to do that, but
sincerely I dont know if what I'm doing is correct. I attached the debug
files. 

I tested both situations one with tiled image and another without tiling and
I dont see increased performance. I'm doing something wrong? It is expected
to see a lot of increased performance?

ms_error_with_tiling.txt have the debug of the image.tif with the tiles
inside (created by gdaltranslate)
ms_error_without_tiling.txt have the debug of the original image.tif without
tiling.

Angola_tiled_info.txt -> gdalinfo of the tiled image.
angola1_info.txt -> gdalinfo of the original image used.

http://osgeo-org.1803224.n2.nabble.com/file/n5550112/Angola_tiled_info.txt
Angola_tiled_info.txt 
http://osgeo-org.1803224.n2.nabble.com/file/n5550112/angola1_info.txt
angola1_info.txt 

http://osgeo-org.1803224.n2.nabble.com/file/n5550112/ms_error_with_tiling.txt
ms_error_with_tiling.txt 
http://osgeo-org.1803224.n2.nabble.com/file/n5550112/ms_error_without_tiling.txt
ms_error_without_tiling.txt 
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[mapserver-users] Re: Raster Display Performance

2010-09-17 Thread goncalo

Hi everyone, 

I am using mapserver to create a tiling server. Actually I have this server
working good but I realize that I have some performance issues. I am using
MapServer in windows and my raster images are too large TIF files.
(resolution 17000x16000 each tif). 
I have read a lot in this forum and I did all the recommended thing:

gdal_translate -co "TILED=YES" old.tif new.tif
gdaladdo new.tif 2 4 8 16 32 64 128
gdaltindex index.shp new.tif
shptree index.shp

The problem is I dind't see increased performance after that. Maybe I am
doing something wrong.
PROJECTION
"proj=longlat"
"ellps=WGS84"
"datum=WGS84"
"no_defs"
END

LAYER
NAME "Angola"
TYPE RASTER
STATUS DEFAULT
TILEINDEX "index.shp"
TILEITEM "Location" 
 END

Best regards,
Gonçalo Marins

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