SPAM!!!: Re: SPAM!!!: Re: [UMN_MAPSERVER-USERS] SPAM!!!: Re: [UMN_MAPSERVER-USERS] Shapefile to Mapfile

[Sylvain Beorchia]

Hi,

When i say the shapefiles are yours, i mean that you know what's inside.
And of course there is a software to manage shapefile called ArcView (http://www.esri.com/software/arcgis/arcview/)
(ESRI is the creator of this format)
But you may build your own application using PHP, or the shapelib library.

Sylvain B.


  ----- Original Message ----- 
  From: Apeksha Bhambhani 
  To: Sylvain Beorchia 
  Sent: Wednesday, December 21, 2005 6:42 PM
  Subject: SPAM!!!: Re: [UMN_MAPSERVER-USERS] SPAM!!!: Re: [UMN_MAPSERVER-USERS] Shapefile to Mapfile


  Hi ,
   Thanks a lot. 

  As you have mentioned that the shapefiles are ours , by that do you mean that we are supposed to create our own shapefiles. All this while , in order to practise , we have been downloading shapefiles and trying to write map files for them . 

  So , is there a software to create a shapefile ? 

  Waiting for your reply 
  Apeksha

  Sylvain Beorchia <sbeorchia at GI-LEMANS.COM> wrote:
    Hi,


    "According to our knowledge , a shapefile consists of only one particular 
    geometric shape."
    Yes, right.

    " The map file's function is to combine all the shapefiles together n their 
    segregation into their respective layers. Plz validate this information. "
    Yes, if u want.

    If you have 3 shapefiles (one for the points, another for the line, and the 
    last one for the polygons), then you have to describe three layer in your 
    mapfile. The first one will be of type POINT and the DATA will point to the 
    shapefile that contains the points...he second layer will be of type LINE 
    ...


    "we want to know as to how do we know what are the contents of a shapefile "
    I don't understand what youe mean by that. The shapefiles are yours, so you 
    know what's inside..., no ?


    "We know that shapefile is a combination of .shp , .shx and .dbf files. 
    However how can we read the data from these files ."
    Well , mapserver will display the contents of the shapefiles (ie draw an 
    image). If you want to read the attributes in the DBF file, then you have to 
    write some PHP code...for example.

    Hope it will help you.

    Sylvain Beorchia


    ----- Original Message ----- 
    From: Apeksha Bhambhani
    To: Sylvain Beorchia
    Sent: Wednesday, December 21, 2005 1:53 PM
    Subject: Re: [UMN_MAPSERVER-USERS] Shapefile to Mapfile


    Hey ,
    Thanks for ur reply . Could you plz help us further.
    According to our knowledge , a shapefile consists of only one particular 
    geometric shape. The map file's function is to combine all the shapefiles 
    together n their segregation into their respective layers. Plz validate this 
    information.

    However . we want to know as to how do we know what are the contents of a 
    shapefile .We have read the online documentation , but are a lil confused. 
    For eg. for a layer when we declare the ' TYPE ' ( corresponding to a 
    shapefile ) , how do we know what type does the shapefile contain ?An image 
    is a collection of various shapefiles . Hence how is the data of each 
    shapefile interpreted ? We know that shapefile is a combination of .shp , 
    .shx and .dbf files. However how can we read the data from these files .

    Awaiting your reply .

    Sylvain Beorchia wrote:
    Hi,

    I think you don't understand the way mapserver work.
    You have to write your own mapfile and tell which shapefile you want to 
    use for a specific layer.
    Check the online documentation to see how to declare a new layer for a 
    shapefile.

    Sylvain B.

    ----- Original Message ----- 
    From: Apeksha Bhambhani
    To: MAPSERVER-USERS at LISTS.UMN.EDU
    Sent: Tuesday, December 20, 2005 9:07 PM
    Subject: [UMN_MAPSERVER-USERS] Shapefile to Mapfile


    If i have a shapefile , how do i convert it into an appropriate 
    mapfile ? How will i know which layer corresponds to which .shp file ?
    Plz help

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