MapInfo Pro

I am working with a project where we modify the terrain by digging and filling. Is there a easy way to modify the DTM to show the finished terrain? One way is to clip the DTM using a file with polygons, use the calculator on the clipped raster and then merge (stamp) the two rasters. But this is quite time consuming, especially with different values in each polygon. Is there a smarter way?

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Bo Christensen
COWI
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Hello Bo,

This is the smartest way of doing it through UI.

Other way would be to write a script by using Raster SDK. The documentation and samples for this is available in Raster installation folder. Let us know if you will be interested in this approach.

Thanks
Anshul

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Anshul Goel
Knowledge Community Shared Account
Shelton CT
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Original Message:
Sent: 02-25-2021 11:50
From: Bo Christensen
Subject: Editing raster

I am working with a project where we modify the terrain by digging and filling. Is there a easy way to modify the DTM to show the finished terrain? One way is to clip the DTM using a file with polygons, use the calculator on the clipped raster and then merge (stamp) the two rasters. But this is quite time consuming, especially with different values in each polygon. Is there a smarter way?

------------------------------
Bo Christensen
COWI
------------------------------

Original Message:
Sent: 3/1/2021 1:03:00 AM
From: Anshul Goel
Subject: RE: Editing raster

Hello Bo,

This is the smartest way of doing it through UI.

Other way would be to write a script by using Raster SDK. The documentation and samples for this is available in Raster installation folder. Let us know if you will be interested in this approach.

Thanks
Anshul

------------------------------
Anshul Goel
Knowledge Community Shared Account
Shelton CT
------------------------------

Original Message:
Sent: 02-25-2021 11:50
From: Bo Christensen
Subject: Editing raster

I am working with a project where we modify the terrain by digging and filling. Is there a easy way to modify the DTM to show the finished terrain? One way is to clip the DTM using a file with polygons, use the calculator on the clipped raster and then merge (stamp) the two rasters. But this is quite time consuming, especially with different values in each polygon. Is there a smarter way?

------------------------------
Bo Christensen
COWI
------------------------------

If you have Datamine Discover it is simply Surfaces>Utilities>Overlay. But it seems a Overlay" or "stamp" polygons is missing in the raster menu.

In raster instead you could use the Operations>Rasterize tool, which can assign different value for different polygons, then the Merge tool to combine it over the DTM.

------------------------------
Joshua Knight
Datamine Australia Pty Ltd
Kew VIC
------------------------------

Original Message:
Sent: 02-25-2021 11:50
From: Bo Christensen
Subject: Editing raster

I am working with a project where we modify the terrain by digging and filling. Is there a easy way to modify the DTM to show the finished terrain? One way is to clip the DTM using a file with polygons, use the calculator on the clipped raster and then merge (stamp) the two rasters. But this is quite time consuming, especially with different values in each polygon. Is there a smarter way?

------------------------------
Bo Christensen
COWI
------------------------------

Original Message:
Sent: 3/8/2021 10:09:00 PM
From: Joshua Knight
Subject: RE: Editing raster

If you have Datamine Discover it is simply Surfaces>Utilities>Overlay. But it seems a Overlay" or "stamp" polygons is missing in the raster menu.

In raster instead you could use the Operations>Rasterize tool, which can assign different value for different polygons, then the Merge tool to combine it over the DTM.

------------------------------
Joshua Knight
Datamine Australia Pty Ltd
Kew VIC
------------------------------

Original Message:
Sent: 02-25-2021 11:50
From: Bo Christensen
Subject: Editing raster

I am working with a project where we modify the terrain by digging and filling. Is there a easy way to modify the DTM to show the finished terrain? One way is to clip the DTM using a file with polygons, use the calculator on the clipped raster and then merge (stamp) the two rasters. But this is quite time consuming, especially with different values in each polygon. Is there a smarter way?

------------------------------
Bo Christensen
COWI
------------------------------