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Usage of Picture Files in MapGuide.
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71 Views, 1 Replies
12-22-2002 12:46 AM
Hi,
I have VISION extension and I am able to view PIC files in Author.
My question is if I draw a buffer for a feature in PIC file will it be possible to know what are the different feautures selected with in the buffer.
There would be other layers too.
Is it true that PIC files are just like raster and that they dont hold any info?
Can I get some info about the Picture files?
Any help is greatly appreciated.
Regards,
Taylor.
I have VISION extension and I am able to view PIC files in Author.
My question is if I draw a buffer for a feature in PIC file will it be possible to know what are the different feautures selected with in the buffer.
There would be other layers too.
Is it true that PIC files are just like raster and that they dont hold any info?
Can I get some info about the Picture files?
Any help is greatly appreciated.
Regards,
Taylor.
Re: Usage of Picture Files in MapGuide.
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05-06-2004 08:14 AM in reply to:
krnkishore
Vision Picture files (we are using VISION not AGCD but the differences appear to be subtle) DO indeed contain some keys on each spatial featuer that can be linked back to the spatial feature and related attreibute tables in the RDBMS user schema.
Specifically, MapGuide lets you mine the feat_number, network, layer and I believe several other key values from a feature selection from a Picture file. These appear to the developer as a single '|' delimited string. We most ofter extract the first value (feat_num) and then go to the RDBMS to find the business attributes.
We employ these on a regular basis in MapGuide. It appears that Vision also employs this data, you just don't have to deal with it at a low level.
Specifically, MapGuide lets you mine the feat_number, network, layer and I believe several other key values from a feature selection from a Picture file. These appear to the developer as a single '|' delimited string. We most ofter extract the first value (feat_num) and then go to the RDBMS to find the business attributes.
We employ these on a regular basis in MapGuide. It appears that Vision also employs this data, you just don't have to deal with it at a low level.
