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GordonSumerling
Esri Regular Contributor
since ‎07-04-2014
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My Ideas

(2 Idea Submissions)

Latest Contributions by GordonSumerling

POST

Re: Mosaic dataset looks washed out

G'day Curt, Usually this is an option in ArcMAP. Go to Customize->ArcMap Options. Select the Raster tab then the Raster Layer tab. Set the Stretch Type to None. Now open a new ArcMap Document and then add your mosiac. You should fins the stetch is back to normal. Cheers Gordon ... View more
Data Management Questions
‎08-21-2011 03:16 PM
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Related tables in ArcGIS Mobile for Windows

Hello, ArcGIS Mobile for Windows 10.0, Related Tables question. We have a client who is performing inspections in the field. The inspections occur over a period of three months on the same site each time. Each time an inspection is performed a new attribute record needs to be created. The ideal fit for such a solution is to create a primary geometric feature class and then create a relationship class to an attribute table. This then enables a new set of records to be created for each inspection. I configured a relationship class in the geodatabase to link to the primary geometric feature. I configured the domains that go along with the attribute table. It was then incorporated into a web and mobile service. When I get to the mobile project centre, I cannot seem to access the related tables. From reading it appears that related tables are not supported by the ArcGIS Mobile for Windows solution at 10.0. Is this the case? If so has anyone found a solution for related tables in ArcGIS Mobile for Windows? Cheers Gordon ... View more
ArcGIS for Windows Mobile Questions
‎08-02-2011 04:18 PM
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findAndReplaceWorkspacePaths for different ArcSDE connections in an mxd

Hi, I am using the findAndReplaceWorkspacePaths for ArcSDE databases in mxd's in a series of folders to update the 3 teir connections to Direct connections. The command I am using is: mxd.findAndReplaceWorkspacePaths(find_workspace_path=r"", replace_workspace_path=r"C:\Temp\arcsde_DIRECT.sde") This works fine if I want to replace all the connections in the MXD. I have the situation though where I have multiple people make mods to the mxd's and have the following list of connections strings: C:\Documents and Settings\Fred\Application Data\ESRI\ArcCatalog\Direct_vector.sde C:\Documents and Settings\Fred\Application Data\ESRI\ArcCatalog\Direct_raster.sde C:\Documents and Settings\Johnathon\Application Data\ESRI\ArcCatalog\Direct_vector.sde SERVER=production;INSTANCE=port:5152;USER=Johnathon; Connections 1,3,4 are all the same database while 2 is a different database. Is there a way I can wildcard search for the direct_vector.sde (1,3,4) connection without Explicitly stating the path? For example: mxd.findAndReplaceWorkspacePaths(find_workspace_path=r"*\ArcCatalog\Direct_vector.sde", replace_workspace_path=r"C:\Temp\arcsde_DIRECT.sde") and how can I use the findAndReplaceWorkspacePaths to update the 4th connection? Cheers Gordon ... View more
Python Questions
‎07-27-2011 05:56 PM
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findAndReplaceWorkspacePaths for ArcSDE connections

Hi, I am using the findAndReplaceWorkspacePaths for ArcSDE databases in mxd's in a series of folders to update the 3 teir connections to Direct connections. The command I am using is: mxd.findAndReplaceWorkspacePaths(find_workspace_path=r"", replace_workspace_path=r"C:\Temp\arcsde_DIRECT.sde") This works fine if I want to replace all the connections in the MXD. I have the situation though where I have multiple people make mods to the mxd's and have the following list of connections strings: C:\Documents and Settings\Fred\Application Data\ESRI\ArcCatalog\Direct_vector.sde C:\Documents and Settings\Fred\Application Data\ESRI\ArcCatalog\Direct_raster.sde C:\Documents and Settings\Johnathon\Application Data\ESRI\ArcCatalog\Direct_vector.sde SERVER=production;INSTANCE=port:5152;USER=Johnathon; Connections 1,3,4 are all the same database while 2 is a different database. Is there a way I can wildcard search for the direct_vector.sde (1,3,4) connection without Explicitly stating the path? For example: mxd.findAndReplaceWorkspacePaths(find_workspace_path=r"*\ArcCatalog\Direct_vector.sde", replace_workspace_path=r"C:\Temp\arcsde_DIRECT.sde") and how can I use the findAndReplaceWorkspacePaths to update the 4th connection? Cheers Gordon ... View more
Mapping Questions
‎07-27-2011 05:45 PM
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Re: Parcel Fabric Migration

Hello austrini, Both the migration methods (cadstral fabric builder and topology loader) require you to have the line work for your parels. Unfortuantely the only way I know of to create the line work if you do not aleady have it is to use the "Polygon-to-Line" tool which is part of ArcInfo. Cheers Gordon ... View more
State & Local Government Questions
‎07-17-2011 02:44 PM
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Re: Intensity Return from Lidar

If you have the raw LAS files then intensity is an attribute that can be extracted against each return in the file. Much like the classification values or return values. However, if you have an .img file then the Lidar has already gone through processing and the intensity is no longer available. You simly have the DEM or DSM from the original Lidar. You will need to go back to the original Lidar files to obtain the intensity values. ... View more
Data Management Questions
‎07-17-2011 02:39 PM
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Re: Mosaic datasets: Pyramids AND Overviews?

Hi Lisa, Pyramids are internal to each image and relate specifically to the image. An overview is the smaller resolution images that cover the entire dataset. These are external to the source images and in effect "join" adjacent images together. These are stored next to the file geodatabase sepeate from the original imagery. This is where the mosaic datset gets it speed from. You do need both to get the optimal speed from the mosaic dataset. HTH Gordon ... View more
Data Management Questions
‎06-08-2011 08:48 PM
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Re: mosaic dataset - change path after the fact?

Hi, From ArcCatalog right click on the mosiac and select repair. The repair mosiac dataset form appears. For the Folder path Depth select how many levels down you want to fix the path for and in the Old Path the list of folders appears. Now add the new path and select OK. Easy!!! Cheers Gordon ... View more
Data Management Questions
‎06-08-2011 08:44 PM
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Re: Raster Mosaic, huge output file

Hi, it sounds like you are taking a jp2, jpg, ECW or MrSid file and moasicing them to a new image format but not specifying the Compression value in the environment varaiables. Before you output the raster select the Environments button, then select Raster Storage. Finally the Compression setting. Here I would suggest you pick JPEG2000 and set the compression at 75%. This will proabably give you a mosaic of comparable size to your original images combined. If you are only going to use it in ArcMAP then you will get even more size reduction if you use the new Geodatabase format Mosaic Dataset. This leaves the images in their native format but builds pyramids (overviews) over the top of all 5 of you images. You could call it a pseudo mosaic as no new image is created but they are all displayed together as if they were mosaiced. HTH Gordon ... View more
Data Management Questions
‎06-06-2011 08:49 PM
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Re: Stretched Raster Symbology not using current display

Jim, If you have loaded each DEM sepeately to the MXD then yes it will calculate the statistics for each DEM speately and then do a stretch. The toggle "From Current Display Extent" is only useful if the entire image actually fills the screen then it will calculate the stretch for that portion of image on the screen. The work around to this is to include all your DEM's in a mosiac dataset (new Geodatabase format at V10.0). When you display the mosaic dataset the statistics are then calculated as if it is one seamless image (DEM) and the toggle "From Current Display Extent" will work for entire mosaic dataset rather than on the individual images. HTH Gordon Sumerling ... View more
Data Management Questions
‎06-02-2011 02:55 PM
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Re: Clipping .tiff image changes colors of original scanned .tiff image

Steve, Be aware, if ArcGIS detects statistics have been generated when it loads an image it will automatically stretch the image for you. You can turn this off though. Go to ArcMap options->Raster->Raster Layer. Set the stretch type to None. Once you have done this then it should not stretch any images again for you. Also, If you delete the corresponding AUX file with the image, this will remove the statistics and not do a stretch next time you load it. Cheers Gordon ... View more
Data Management Questions
‎03-15-2011 08:22 PM
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Re: Migrating Image Server 9.x services to AG10 Mosaic dataset

Hi Marcelo, There is a very good help file on upgrading your old 9.3.1 image service to the new mosaic format at ArcGIS 10.0. It preserves all the investment you have created at 9.3.1: Migrating an .ISDef to a mosaic dataset http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009t000001vt000000.htm Cheers Gordon ... View more
ArcGIS Image Server Questions
‎03-15-2011 04:10 PM
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Re: Image Server Installation Issue

Oliver, While Image Server is delivered at ArcGIS 10, it was delivered as a compatibility release for existing Image Server clients. Esri is recommending that clients move away from Image server to the Image Extension and Mosaics. All future developments by Esri will be on the Mosaic raster format and Image Extension for server. As for your problem with Image Server itself, It could be a UAC problem you will need to use regedit and change the: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA value to 0 (default = 1) and then reboot.  See the following article http://blogs.technet.com/server_core/archive/2009/01/19/user-account-control-uac-and-server-core.aspx regards Gordon ... View more
ArcGIS Image Server Questions
‎02-17-2011 12:10 PM
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Re: LIDAR analysis

Sisira, Check out the following white paper: http://www.esri.com/library/whitepapers/pdfs/lidar-analysis-forestry-10.pdf It will step you through taking lidar data from LAS 1.2 files through to a geodatabase terrain to perfornining analysis with 3D Analyst. Cheers Gordon ... View more
3D Questions
‎02-08-2011 11:12 PM
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Re: Issues clipping large ecw imagery

Allison, I think the reason you are getting the problem is the ECW ddl's being used by ArcGIS does limit the size of ECW that can be clipped. Also because ECW is proprietary format ArcGIS is not allowed to write out in that format. I think you will encounter the problem with any application apart from an ERDAS application as they all use the same dll set for ECW's My suggestion would be to read the ECW into the new geodatabase Mosaic format. Then adjust the boundary of the mosiac. This will not touch the image itself but will limit the display area of the mosaic. It is in effect like a clip so it will look correct in ArcGIS. You can then perform processing and analysis on the image and it will only be inside the boundary of the mosaic. Reagards Gordon ... View more
Data Management Questions
‎02-02-2011 12:50 PM
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