Re: MI MapXtreme - huge datasets

[Flavio Hendry]

Title: MapXtreme - huge datasets



xx Announcing the 
ultimate JavaScript Mapping Solution xx
  !!! Neapoljs: Live 
on http://www.mapserver.ch 
-  Mit freundlichen 
Gruessen / Kind Regards   Flavio 
Hendry- mailto:[EMAIL PROTECTED] 
TYDAC AG - http://www.tydac.chGeographic 
Information Solutions    
 Buristrasse 23 -- CH-3006 
Bern   Tel +41 
(0)31 368 0180 - Fax +41 (0)31 368 1860-   MAPINFO Strategic Partner - PCI Reseller - FME 
Distributor- 

RE: MI Converting Non-Earth N & E to a proper Projection N & E

[Flavio Hendry]

Hi David

There is a great tool that does that automatically on as many files you want (as well 
TAB) called "coordination". Look up: www.greatcircle.co.nz.

Best regards
Flavio

*** REPLY SEPARATOR  ***

On 04.09.2000 at 17:18 David Booth wrote:

>Hi Steve,
>
>The way to fix this problem is to export your non-earth table to mif/mid,
>which preserves the coordinate values. Edit the header of the mif file and
>replace the coordsys... line with the correct one for your projection, then
>re-import the table.
>
>As you've found, using Save As with the correct projection doesn't work in
>the case of NEM tables.
>
>Hope you haven't got too many to do - I ended up automating the procedure in
>mapbasic after the first few hundred tables!
>
>-
>David Booth
>Senior GIS Officer
>Merseyside Information Service
>
>> -Original Message-
>> From:Steve McCrone [SMTP:[EMAIL PROTECTED]]
>> Sent:04 September 2000 08:12
>> To:  [EMAIL PROTECTED]
>> Subject: MI Converting Non-Earth N & E to a proper Projection N & E
>> 
>> Hello Mappers:
>> I have some vector (say polylines) data that was saved using: 
>> 
>> Non-Earth m, Bounds -10, -10, 10, 100.
>> This was done since the PRJ file did not contain the appropriate
>> projection parameters.
>> 
>> The coordinates of the nodes of the plines are grid coordinates in the
>> Rectified Skew Orthomorphic (RSO) projection. Therefore, when the user
>> clicks the mouse on a feature, the correct E & N is displayed. 
>> 
>> The appropriate RSO projection parameters have been added to the PRJ file
>> and now I wish to convert all of the existing data (in Non-Earth) to RSO.
>> 
>> When I simply change the projection to RSO the data gets all messed up. I
>> am able to write some Map Basic code that programmatically extracts the E
>> & N from each node and stores them into an ASCII file. I then import these
>> coordinates into MI and generate lines from the points. I also could write
>> some MB code to create the new tables.
>> 
>> Is there a simpler way of doing this? Perhaps without getting into MB
>> programming at all. I am working in MapInfo 5.0 and MapBasic 4.1.2. 
>> 
>> Thanks
>> 
>>  
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xx Announcing the ultimate JavaScript Mapping Solution xx
  !!! Neapoljs: Live on http://www.mapserver.ch 
-
  Mit freundlichen Gruessen / Kind Regards
   Flavio Hendry- mailto:[EMAIL PROTECTED]
 TYDAC AG - http://www.tydac.ch
Geographic Information Solutions
 Buristrasse 23 -- CH-3006 Bern
   Tel +41 (0)31 368 0180 - Fax +41 (0)31 368 1860
-
   MAPINFO Strategic Partner - PCI Reseller - FME Distributor
- 

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Re: MI record limit Fwd: Re: MI Importing a File

[Kurt Ackermann]

Peter,

Here is a message I recently received from Bill Wemple
at Mapinfo about this exact topic.

HTH

--- [EMAIL PROTECTED] wrote:
> Subject: Re: MI Importing a File
> To: [EMAIL PROTECTED],
>   [EMAIL PROTECTED],
>   [EMAIL PROTECTED]
> From: [EMAIL PROTECTED]
> Date: Thu, 31 Aug 2000 08:57:20 -0400
> 
> 
> The limitation to the size of a table in MapInfo is
> 2 billion rows and a
> 4096 byte record length in each row.
> 
> Regards,
> -Bill
> 


Kurt Ackermann
Regional Science Institute
Sapporo, Japan


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MI Converting Non-Earth N & E to a proper Projection N & E

[Steve McCrone]

Hi
 
My question was:
>   Hello Mappers:  I have some 
vector (say polylines) data that was saved>using:  Non-Earth m, 
Bounds -10, -10, 10,>100. This  was 
done since the PRJ file did not contain the>appropriate projection  
parameters. & N is displayed.  The appropriate RSO>projection 
parameters have been added to the PRJ file and  now I wish 
to>convert all of the existing data (in Non-Earth) to RSO. & N  
from each node>and stores them into an ASCII file. I then import 
these  coordinates into>MI and generate lines from the points. I 
also could write some  MB code to>create the new tables. Is there a 
simpler way of doing this? Perhaps>without getting into MB  
programming at all. I am working in MapInfo 5.0>and MapBasic 4.1.2.  
Thanks   
 
The solution is:
 
Save the file out as a MIF, and then edit the MIF 
header. Add the correctprojection parameters to the header. Then read the 
MIF back into MI.
 
 
 

MI MapX bounds

[MAGS (Mapping Global Solutions)]

In MapInfo we can create a map using bounds, so the 
precision map is higher.
In MapBasic, we have the statment Set CoordSys 
Table x so all drawing tools obtein the same presicion that the 
table x has due the bounds..
Is this possible using MapX ?. Is it possible to 
create a map using bounds and set the tools precision ?
 
Thanks in advance.

MI Gridmaker errors

[Macdougall, Evan 1065]

Title: MI Gridmaker errors





I am getting some wacky errors when using Gridmaker.  I make a grid that splits the USGS quads into 16ths and choose to make the grid into regions (rather than just a bunch of lines).  Then I combine various areas of the grid so that I have varying sizes of boxes.  The error that I always get is if I have 4 boxes that form a square and I then I combine three of them and leave the other box alone.

example:  
C X
C C
("X" = box I leave alone and "C" = boxes I combine)
Now, when I overlay this grid on top of my other layer and try to use boundary select, it always selects the grid layer instead of the layer below it.  Boundary select works fine in all the rest of the regions in my grid except for the areas set up per my example.  I am using MapInfo 4.1.2, so have they made a better gridmaker with 5, 5.5, or 6?  Any fixes?  Any suggestions how I can fix this error?

-Evan

RE: MI Creating contour maps

[James Harvie]

Tony,

I believe that Vertical Mapper does exactly what you describe.  For more
information visit our web site at
http://www.northwoodtec.com/verticalmapper.htm.  Try our new Demo!

James Harvie
Vertical Mapper Product Manager
Northwood Technologies Inc.
43 Auriga Drive, K2E 7Y8
Nepean, Ontario, Canada
613-224-2020


-Original Message-
From: Tony Shepherd [mailto:[EMAIL PROTECTED]]
Sent: Monday, September 04, 2000 4:36 PM
To: MapInfo Email Group (E-mail)
Subject: MI Creating contour maps


Is there anybody out there using MapInfo to create contour maps from sets of
points with elevation data attached.

For example: I have taken spot heights using a level, and have created the
grid in MapInfo and added a point feature at each reading and entered the
reduced level. Are there any add on's or MapBasic code out there that will
create a contour map automatically?

Regards
Tony


--
Tony Shepherd
IT/GIS Manager
Gore District Council
Gore, New Zealand
Gore, the brown trout capital
www.goredc.govt.nz
www.mataura.com
--

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RE: MI Null colour in VM2

[James Harvie]

Forest,

Currently there is no way of changing the colour representing the Null value
in Vertical Mapper however I will add this item to our suggestion list for a
future version of the product.

James Harvie
Vertical Mapper Product Manager
Northwood Technologies Inc.
43 Auriga Drive, K2E 7Y8
Nepean, Ontario, Canada
613-224-2020


-Original Message-
From: Forest Pearson [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 01, 2000 7:06 PM
To: [EMAIL PROTECTED]
Subject: MI Null colour in VM2


Just fooling around vertical mapper and the 1km grid of the world that comes
on the VM2 CD, and I wonder, is there  a way to change the null colour from
white?  Specifically, I would like the ocean areas to be a blue or something
like that.  Ideas?

Forest Pearson, Engineering Geologist, EIT
[EMAIL PROTECTED]

Gartner Lee Limited
Suite C, 206 Lowe St.
Whitehorse, Yukon
(867) 633-6474, ext 23.

- Original Message -
From: Richard Greenwood <[EMAIL PROTECTED]>
To: Tim Warman <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Friday, September 01, 2000 2:48 PM
Subject: RE: MI Scaling maps for layouts


> Maybe I'm throwing on too late here, but producing maps at a specific
scale
> can be accomplished in 30 seconds by anyone possessing basic arithmetic
> skills:
>
> 1. Assuming you have a map window open that shows generally the area you
> need to plot, create a new layout. Double click on the mapper frame to see
> what the approximate scale is. Lets say it's 1"=187.9', so the closest
> standard scale would be 1"=200'.
>
> 2. with the mapper frame properties still open, make the frame width an
> even number (so you don't have to dig around for your calculator). Say the
> frame is 29.67" wide, so make it 30.0" wide.
>
> 3. Now you have a 30" wide frame and you want to plot a map at 1"=200'
> scale map; so (without the aid of a calculator) I can derive that the
frame
> should show 6000'. Switch back to the map window and use the little
> magnifying-glass-with-the-question-mark tool to set the mapper window
width
> to 6000'.
>
> 4. As for a scale & north arrow, I maintain a set of fancy north
> arrow/scale/logos at all the standard scales, which I can slap into any
> layout.
>
> If you think plotting to scale in MapInfo is hard, DON'T use AutoCAD. I
> find MI the fastest and easiest tool I have for plotting simple maps (ones
> without complex labeling or hatching).
>
> Rich
>
> At 01:34 PM 9/1/2000 -0700, you wrote:
> >Spencer,
> >
> >To illustrate what the problem with producing scaled maps in MI is, try
> >producing a map of a specific geographic feature on an A4 sheet, at the
> >maximum standard scale that will fit on the page, with a title block, a
> >north arrow and a decent-looking scale in under 5 minutes. I can do it
using
> >one of the many available bolt-ons, but I'm fairly certain that it's not
> >possible with MI alone.
> >
> >Any decent mapping program should have this as one of it's most basic
> >capabilities.
> >
> >Cheers,
> >Tim
> >_
> >Tim Warman
> >Geologist & GIS Specialist
> >Richard C. Slade & Associates
> >North Hollywood, CA
> >(818) 506-0418
> >
> >Maybe I'm missing something here
> >
> >In a Layout window, if you "double-click" on a frame which contains a Map
> >window, the dialog box that appears contains a place to type in the
> >exact scale you want.  Its accuracy depends upon having selected the
> >correct paper size, but A4 was a paper-size choice in my "Page Setup".
> >
> >Hope this helps
> >Spencer
> >
>
> Richard W. Greenwood, PLS
> Greenwood Mapping, Inc.
> [EMAIL PROTECTED]
> (307) 733-0203 fax: 733-4018
> http://www.GreenwoodMap.com
> --
> To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put
> "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
>

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Re: MI GIS.about.com is taking a poll you may want to vote in -- "What GIS software do you use?"

[Graham Smith]

Vote more than once!

- Original Message -
From: "Wright, Kevin" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Tuesday, September 05, 2000 4:46 PM
Subject: RE: MI GIS.about.com is taking a poll you may want to vote in --
"What GIS software do you use?"


> All,
>
> Not a very fair poll.  Many shops, including mine, use multiple gis
> software tools to get their jobs done.  The poll should allow you to
select
> all that apply.
> Kevin Wright
> ICF Consulting
> Senior GIS Associate
> 9300 Lee Highway
> Fairfax, Virginia  22031-1207
> Voice:(703)218-2647
> Fax:(703)934-3974
> [EMAIL PROTECTED]
>
>
> -Original Message-
> From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
> Sent: Thursday, August 31, 2000 10:57 AM
> To: [EMAIL PROTECTED]
> Subject: MI GIS.about.com is taking a poll you may want to
> vote in -- "What GIS software do you use?"
>
> 
>
> Sorry if this was already posted, but I didn't see it.
>
>
> --
> To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and
> put
> "unsubscribe MAPINFO-L" in the message body, or contact
> [EMAIL PROTECTED]
> --
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MI AD: SVGExport.MBX - Export your maps to SVG from MapInfo !

[Dany Bouchard]

Dear listers,
 
For those interested in Scalable Vector Graphics 
(SVG),a new MapBasic program called SVGExport.MBX that exportsMapInfo 
maps to SVG is available from DBx Geomatics at
http://www.dbxgeomatics.com/SVGExport.htm. 

Please use the download link from that page to 
download the MBX anddocumentation.
 
SVG provides an interesting and low cost approach 
topublish maps on the internet and also allowsquite sophisticated output 
and interactivity(animation, etc !).
 
For anyone interested in getting an 
introduction on mapping with SVG you are alsowelcomed to visit DBx 
Geomatics SVG TechnologyPreview Area which is no longer password protected 

at: http://www.dbxgeomatics.com/svg.asp
 
Also an interesting article about XML and GIS from 
giscafe.com:(http://www.giscafe.com/GISVision/Review/XML.html)
 
-SVG EXPORT UTILITY 
VERSION 1.0.5-Summary of 
features and functionality-* 
Reads MapInfo map windows and exports content to SVG (same size as the map)* 
All MapInfo object types and projections are supported* Labels and cosmetic 
layer are supported* The style of MapInfo objects (and style override) is 
kept  (as much as possible) in the resulting file* Options 
available for filters (shadows, glow, bevel, etc) and opacity settings* 
Options available to specify color gradients for regions and text* 
Interactivity options available to specify hyperlinks, tooltips or color 
rollover* Option for generating an html container with a layer control* 
Option to export to compressed 
SVG-Requirements:MapInfo 
Version 5.x or later
 
Your comments are welcomed !
 
Dany BouchardDBx Geomatics38 de 
l'OrbiteHull, QuébecCanadaJ9A 3C7Téléphone/Telephone: 
819.743.3870Télécopieur/Fax: 819.775.3264Courrier électronique/Email: [EMAIL PROTECTED]Page Web/Web site: 
http://www.dbxgeomatics.com/home.aspVitrine 
technologique SVG / SVG Technology Preview: http://www.dbxgeomatics.com/svg.asp
 

RE: MI ESRI Shapefile and MapX Compatibility Question

[Wright, Kevin]

Dave,

The reason why MapX cannot get the projection is because that
shapefiles do not keep information about projection.  Thus there is no way
for MapX to read it.

Thanks,

Kevin Wright
ICF Consulting
Senior GIS Associate
9300 Lee Highway
Fairfax, Virginia  22031-1207
Voice:(703)218-2647
Fax:(703)934-3974
[EMAIL PROTECTED]


-Original Message-
From:   [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
Sent:   Friday, September 01, 2000 5:32 AM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject:RE: MI ESRI Shapefile and MapX Compatibility
Question

Dave,

MapX 4.x can read & display native ESRI shape files using the
'Map.Layers.Add LayerInfoObject' method.  There is a major drawback
though -
you have to know the projection of the data and specify that in the
'LayerInfoObject' - MapX does not seem to be able to get the
projection from
the shape file itself.  MapX also renders the goemetry in the MapX
default
styles.

Richard Burkmar.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: 31 August 2000 22:12
To: [EMAIL PROTECTED]
Subject: MI ESRI Shapefile and MapX Compatibility Question




Does anybody out there know of any information regarding the reading
and
editing
of ESRI Shapefiles using the MapX language?

Cheers

Dave Williams
Montgomery Watson



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RE: MI GIS.about.com is taking a poll you may want to vote in -- "What GIS software do you use?"

[Wright, Kevin]

All,

Not a very fair poll.  Many shops, including mine, use multiple gis
software tools to get their jobs done.  The poll should allow you to select
all that apply.
Kevin Wright
ICF Consulting
Senior GIS Associate
9300 Lee Highway
Fairfax, Virginia  22031-1207
Voice:(703)218-2647
Fax:(703)934-3974
[EMAIL PROTECTED]


-Original Message-
From:   [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
Sent:   Thursday, August 31, 2000 10:57 AM
To: [EMAIL PROTECTED]
Subject:MI GIS.about.com is taking a poll you may want to
vote in -- "What GIS software do you use?"



Sorry if this was already posted, but I didn't see it.


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Ynt: MI record limit

[Ahmet Dabanli]

Title: MI record limit



i've achieved up to 2.000.000 record for 
trial
and didnt continue 
 
 
-Click here for 
Free Video!!http://www.gohip.com/free_video/

  - Original Message - 
  From: 
  [EMAIL PROTECTED] 
  
  To: [EMAIL PROTECTED] 
  Sent: Tuesday, September 05, 2000 2:03 
  PM
  Subject: MI record limit
  
  Dear all 
  Please can someone tell me the maximum number of 
  records it is possible to have in a MpaInfo table. 
  Many thanks 
  Peter Spurgeon 

MI: SUM: How to print the contents of the message window

[Lavoie, Claude]

The question:

>One of our MapBasic applications writes different messages to the Message
window.  In order to print the contents of the Message window, I tried, to
no avail:
>PrintWin Window 1003
>How can I either print the contents of the Message window to a printer or
to a file?  Must be obvious.
>Thanks in advance.

Thanks for the suggestions:

Ahmet Dabanli and Peter Doyle suggested to put the window into a layout and
print; Paul Jones suggested to ouput the messages to a text file via OPEN
FILE, PRINT#, and CLOSE FILE statements.  Jacques Paris offered a discussion
of the topic.

I should have mentioned in the original posting that the contents of the
Message window is sometimes a few hundred lines long (cumbersome in a
layout), and that I preferred  a fast, non programmatic solution.  I will
have to modifiy the code, for it seems to be the only way to get the whole
contents.

Thanks again to all respondents.
_

Claude Lavoie, a.g.
Service du soutien à la clientèle
Direction des technologies de l'information
Ministère des Transports du Québec
35, rue de Port-Royal Est, salle 5.00 a
Montréal (Québec)
H3L 3T1

Téléphone:  (514) 873-6280
Télécopieur:(514) 873-8203
Courriel:   mailto:[EMAIL PROTECTED]
_

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MI Copy Map Window Problems

[Lathrop, Travis]

Ever since I have upgraded to Version 6 I have been having trouble copying
map windows.  When I try to copy map window my system always crashes.  Does
anyone have a fix for this or know how to get around it?  As always thanks
for the feedback.

Travis Lathrop
Intercarrier Services
(816) 559-3014


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MI - Find odd or even numbers in a column

[David Reid]

Using "Select" how would I go about selecting odd or even numbers in a
column? I thought I had figured out the syntax but it didn't work.


Thanks list,

Dave

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MI Multiple users and ownership of tables

[Mike Hankins]

My company has had a multiple user license for some time.  We are finally
using more than one license and I have ran into some problems.  I am
currently the primary user and have created hundreds of tables.  The other
users are not able to edit the tables I have created.  Is there a ownership
issue with respect to tables?  If yes, how can I disable the ownership so
any user can edit any table?  If there is no ownership problem, can anyone
tell me why the other users get a "Cannot perform edit.  Someone else is
currently editing this table" error.  I know no one is using the table.
TIA

Mike Hankins
Actuarial Services Analyst
Country Companies

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FW: MI - Find odd or even numbers in a column

[Serge Bedard]

Try this:

Select *
From YourTable
Where YourColumn Mod 2 = 0
Into Even

Select *
From YourTable
Where YourColumn Mod 2 = 1
Into Odd

Serge
QA dept.
GeoCom TMS inc.


-Original Message-
From:   David Reid
[mailto:[EMAIL PROTECTED]]  
Sent:   Monday, September 04, 2000 7:17 PM
To: MapInfo-L
Subject:MI - Find odd or even
numbers in a column

Using "Select" how would I go about
selecting odd or even numbers in a
column? I thought I had figured out the
syntax but it didn't work.


Thanks list,

Dave


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Re: MI MapXtreme - huge datasets

[Antoine Gilbert, KOREM]

Title: MapXtreme - huge datasets




Hi
 
We use MapXTreme with some datasets (geosets) of 
200-300 Mbs..
 
That work like MapInfo, only the objects and data 
of the sub-area displayed are loaded in memory..
 
There are some exceptions like rasters and 
grids..
 
You can found examples of datasets on MapXtreme on 
our sites:
    www.mig.ca (MIG-ATLAS)
    www.pushnsee.com 
 
regards
___
 
||    
//    Antoine 
Gilbert||   
//  
[EMAIL PROTECTED]||  
//    
#ICQ 9737371||  \\||   
\\    Le Groupe KOREM 
Inc.||    \\  http://www.korem.com
 
Push'n'See : www.pushnsee.comMIG    
: www.mig.ca___- 
Original Message - 

  From: 
  Dennis Entriken 
  To: [EMAIL PROTECTED] 
  Sent: Tuesday, September 05, 2000 3:52 
  AM
  Subject: MI MapXtreme - huge 
  datasets
  
  Hi All, 
  I am using MapXtreme (Java 
  edition) to display some southern Sydney (Australian) street data. 
  We are hoping to use street 
  data from the whole of Australia in the application, but I have a concern 
  about how MapXtreme will handle it due to the huge amount of data, even though 
  we will only want to load data in small areas.
  Does anyone have any 
  experience with using MapXtreme with very large datasets? 
  How does MapXtreme work in 
  relation to displaying data. Does it cache all data from open tables (layers) 
  in memory and work from this cached data, or does it search through the 
  datafiles and only load the data required to display the current 
  area?
  My main concern will be 
  speed of display. If we have a very large street level dataset covering the 
  whole of Australia and display a suburb in Sydney at a scale of about 1:2500, 
  will it be quick? What hardware specs would I need to get quick displays in 
  the mentioned example?
  Thanks!!!  :) 
  
  Regards 
  Dennis Entriken 

MI Mapbasic - object rotation

[galmala]

Hey there guys,
 
 
I have written a simple mapbasic script/routine 
that plots various rectangles from data on a table. What I would like to do next 
is be able to rotate these objects  I know that you can rotate symbols, but 
is there any statement / function to rotate ojects (rectangles created from 
Create Rect)???
 
Thanks in advance,
 
Chris

MI Printing from ProViewer

[MJSully]

Hope someone has some ideas.

I need to disable the printing options from MapInfo Pro Viewer
Version 6.

It seems that the toolbars are not customizable.
I have located the .mnu file and all that seems to store
Is a list of the last workspaces or tables that you have opened.
The text the appears on the bottom of the file menu.

I have also looked through a variety of other files.  One of which being the .str
File.  This is where you can specify what text appears in what menu and what Hover 
text appears as you hover over the buttons or menus.

So that is half way, all I need to do is to get rid of the printer button and disable 
the
action that it performs.

Any pointers?

TIA

Matt



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MI and Visual Basic

[KellyJA]

I am writing a Visual Basic application for MapInfo.  I am trying to close
any MapInfo tables which have been opened while at the same time keeping my
connection to MapInfo established.  I am using the following code

mapinfo.Do "Close All "

All previously open tables are closed but after this I am no longer able to
open any more tables.   I have ytried re-establishing a MapInfo connect but
nothing seems to work.  Anyone have a suggestion?

jas
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MI record limit

[PSpurgeon]

Title: MI record limit





Dear all


Please can someone tell me the maximum number of records it is possible to have in a MpaInfo table.


Many thanks


Peter Spurgeon

Re: MI Creating contour maps

[Roeland van der Spek]

Tony,

You can use any of the following products from Mercator Geosystems:

The first is GridContour. This program creates contour lines and contour
polygons from any standard mapinfo grid file (*.mig).

The second is Triangulator. This program accepts any map containing
pointdata and can create:
-Delaunay trinagles
-Voronoy polygons
-Slope and aspect maps
-and Contour maps (both polylines and Polygons)

Free and fully functional evaluation versions of both programs can be
downloade from www.mercatorgeo.nl

Go ahead and give it a try,
Roeland



- Original Message -
From: Tony Shepherd <[EMAIL PROTECTED]>
To: MapInfo Email Group (E-mail) <[EMAIL PROTECTED]>
Sent: Monday, September 04, 2000 10:35 PM
Subject: MI Creating contour maps


> Is there anybody out there using MapInfo to create contour maps from sets
of
> points with elevation data attached.
>
> For example: I have taken spot heights using a level, and have created the
> grid in MapInfo and added a point feature at each reading and entered the
> reduced level. Are there any add on's or MapBasic code out there that will
> create a contour map automatically?
>
> Regards
> Tony
>
>
> --
> Tony Shepherd
> IT/GIS Manager
> Gore District Council
> Gore, New Zealand
> Gore, the brown trout capital
> www.goredc.govt.nz
> www.mataura.com
> --
>
> --
> To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put
> "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
>

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MI MapXtreme - huge datasets

[Dennis Entriken]

Title: MapXtreme - huge datasets





Hi All,


I am using MapXtreme (Java edition) to display some southern Sydney (Australian) street data.


We are hoping to use street data from the whole of Australia in the application, but I have a concern about how MapXtreme will handle it due to the huge amount of data, even though we will only want to load data in small areas.

Does anyone have any experience with using MapXtreme with very large datasets?


How does MapXtreme work in relation to displaying data. Does it cache all data from open tables (layers) in memory and work from this cached data, or does it search through the datafiles and only load the data required to display the current area?

My main concern will be speed of display. If we have a very large street level dataset covering the whole of Australia and display a suburb in Sydney at a scale of about 1:2500, will it be quick? What hardware specs would I need to get quick displays in the mentioned example?

Thanks!!!  :)


Regards


Dennis Entriken

MI Date: Tue, 5 Sep 2000 08:53:26 +0100

[Lawley, Russell S]

Hi,
saw some traffic a while back about launching internet explorer via mapbasic
(using the windows api?), I think i missed any follow up. I 'm after a
simple routine or function to ensure IE gets launched  whilst an app is
running ..any advice/ code snippets would be appreciated

thanks

Russell Lawley
Brit. Geol. Surv
www.bgs.ac.uk

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MI Date: Tue, 5 Sep 2000 09:45:00 +0100

[Kjartan Greiff Selnes]

greeting members.

I have a problem during querying tables. I get the message "can not open
table". A memory problem i wondered.
Its a table with 250.000 records ( and i have recently done queryies on
tables with a millon records with no problem).
On a query that i know returns few records, lets say about 20.000 it goes
ok, but a query that should return about 200.000 records goes "ad undas".

I've done boot on the hardware and some memoryadjustments, but still the
same problem. (enough space on the disk too.

Im pretty new to MI and are there some things in the sw that i should check
out according to this problem. (What about temporary files or somethiing
like that).

Any hints or tips would be helpful

Regards
Kjartan Greiff Selnes
Bravida Geomatikk As
Steinkjer- Norway

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