[MS4W-Users] Maps from images

Fri Aug 28 00:00:27 EST 2009

Mohamad,

For documentation / tutorial have a look at the MapServer website
(http://www.mapserver.org/).

Yes, MapServer will read the GIF images, but you will need the world
files (WLD).  So yes you can build a MapServer to display and publish
the images.

Cheers Ian

______________________
Ian Tidy
GIS Analyst / Developer
Works Asset Department
Napier City Council
Skype ian.tidy.ncc
mailto:iant at napier.govt.nz
http://www.napier.govt.nz <http://www.napier.govt.nz/>  |
http://maps.napier.govt.nz <http://maps.napier.govt.nz/>  

From: Mohamad [mailto:Klay at intellitrac.com.au] 
Sent: Friday, August 28, 2009 3:39 PM
To: Ian Tidy; ms4w-users at lists.maptools.org
Subject: RE: [MS4W-Users] Maps from images

HI Ian,

I become more optimistic after what I read what you wrote.

Your assumption are in place, each level of images is the same area, but
a different scale.

As I understand ,all the tools exist for the purpose of usages of those
images in MapServer implementation.

Before Asking more questions, I would like to ask this stupid question
to make things clearer in my mind: Do you think we can use those images
to build a Mapping server?

My next question is: is there any tutorial or document?

Thanks

Mohamad

From: ms4w-users-bounces at lists.maptools.org
[mailto:ms4w-users-bounces at lists.maptools.org] On Behalf Of Ian Tidy
Sent: Friday, August 28, 2009 7:45 AM
To: Mohamad; ms4w-users at lists.maptools.org
Cc: Ian Tidy
Subject: Re: [MS4W-Users] Maps from images

Mohamad,

I have assumed that each level of images is the same area, but at a
different scale.

So using the gdaltindex tool (in the \ms4w\tools\gdal-ogr directory),
you can create a tile index shape file.  This file can be used in the
MAP file to load the appropriate image.  Then using the MINSCALE and
MAXSCALE setting in the MAP file you can turn the different levels on
and off at the appropriate scale.

Each of your imagery levels 1 - 6 will require its own entry in the MAP
file and have its own tile index shape file.

An Example is:

LAYER

            NAME linz_orthos

            GROUP "IMAGERY"

            TILEINDEX /gis-data/linz-ortho/linz-ortho

            TILEITEM "LOCATION"

            TYPE RASTER

            DUMP TRUE

            MAXSCALE 500000

            MINSCALE 3000

            PROJECTION

                        "init=epsg:27200"

            END

            STATUS OFF

            CLASS

                        NAME "LINZ Aerial Photos"

            END

END

LAYER

            NAME ncc_orthos

            GROUP "IMAGERY"

            TILEINDEX /gis-data/orthos/napier_2009

            TILEITEM "LOCATION"

            TYPE RASTER

            DUMP FALSE

            MAXSCALE 3000

            PROJECTION

                        "init=epsg:27200"

            END     

            STATUS OFF

            CLASS

                        NAME "NCC 2009 Aerial Photography"

            END     

END     

Cheers Ian

______________________
Ian Tidy
GIS Analyst / Developer
Works Asset Department
Napier City Council
Skype ian.tidy.ncc
mailto:iant at napier.govt.nz
http://www.napier.govt.nz <http://www.napier.govt.nz/>  |
http://maps.napier.govt.nz <http://maps.napier.govt.nz/>  

From: Mohamad [mailto:Klay at intellitrac.com.au] 
Sent: Thursday, August 27, 2009 6:15 PM
To: Ian Tidy; ms4w-users at lists.maptools.org
Subject: RE: [MS4W-Users] Maps from images

Thanks Ian for your answer,

Can you explain your idea a little bit more?

Thanks

Regards

Mohamad

From: ms4w-users-bounces at lists.maptools.org
[mailto:ms4w-users-bounces at lists.maptools.org] On Behalf Of Ian Tidy
Sent: Thursday, August 27, 2009 1:11 PM
To: Mohamad; ms4w-users at lists.maptools.org
Cc: Ian Tidy
Subject: Re: [MS4W-Users] Maps from images

I guess these are images at different scales and pixel size.

I would create a tile index for each level and then turn each level on
and off at the appropriate scale.

Regards Ian

______________________
Ian Tidy 
GIS Analyst / Developer
Phone +64-6-835-7579 Ext. 8115 
Fax +64-6-834-4195

Skype:ian.tidy.ncc 
mailto:iant at napier.govt.nz
http://www.napier.govt.nz | http://maps.napier.govt.nz 

From: ms4w-users-bounces at lists.maptools.org
[mailto:ms4w-users-bounces at lists.maptools.org] On Behalf Of Mohamad
Sent: Thursday, August 27, 2009 2:56 PM
To: ms4w-users at lists.maptools.org
Subject: [MS4W-Users] Maps from images

Hi Guys,

We have Australia Maps updated as images, they are from level 1 to level
6:

Level 1 = 24 images

a1_1_1.gif

a1_2_1.gif

...

...

a4_6_1.gif

Level 2 = 586 images

a1_4_2.gif

...

...

a21_30_2.gif

Level 6 = 2190 images

a686_1809_6.gif

...

...

a1172_1503_6.gif

Any ideas how to use those images with Map Server?

Please ask for any kind of clarification

Regards

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