Latest Contributions by RobertBuckley

Windows 78 64bit - ArcGIS Advanced 10.0 I have 405 Images to load. After 8 Images no further rasters can be imported. I have checked coordinate systems etc but all tifs are the same. Background processing is turned off. Any help would be appreciated. <Errors> <Error>ERROR 999999: Fehler beim Ausführen der Funktion</Error> <Error>Allgemeiner Funktionsfehler [dop]</Error> <Error>Allgemeiner Funktionsfehler [fras_blk_dop]</Error> <Error>Fehler beim Ausführen von (CopyRaster).</Error> </Errors> [ATTACH=CONFIG]31826[/ATTACH] ... View more

I am trying to add data to a raster in an sde-File Geodatabase during which I received an error message complaining that the MSSQL Server sde database ran out of memory. Now my problem is that because the process was not successful, the raster file is now corrupt and cannot be opened or deleted by ArcCatalog. So I can´t delete the corrupt file. Why does the sde database get so big? Do all my data get copied into the sde database when I register a geodatabase with ArcSDE? The File Geodatabase in question in on my harddrive. Windows 7 64bit / ArcSDE 9.3 / ArcGIS 10.0 Thanks, Robert ... View more

Hi, I have 1300 aerial images which I would like to combine into one single image. I have created a geodatabase raster in ArcGIS 10.0 and load the images into the raster. I have never been able to complete this task due to memory errors. The last time I tried the error message was in a window titled "ArcGIS Indexing window" and the message "System.OutOfMemoryException". ArcGIS Advanced is installed on windows 7 with 4GB Ram. Could anyone tell me how to get around this problem? Yours, RB ... View more

Hi, I would like to write a script which does the following; 1. Lists all feature classes in a geodatabase 2. Checks that all the feature classes have a defined coordinate system - if not, then stop script and output message 3. If nr 3 passes, then reproject all the featureclasses into a certain coordinate system using a specific transformation method 4. All reprojected feature classes should be saved into a predefined different geodatabase 5. Output message when successful import arcpy, os from arcpy import env # Set this to the input FGDB env.workspace = r'Path_to_old_GDB.gdb' Dir = env.workspace env.overwriteOutput = 1 # Variables gdb_out = r'Path_to_new_GDB.gdb' sr = r'Path_to_new_CRS.prj' ################################## # Parameters for script tool # Input FGDB env.workspace = arcpy.GetParameterAsText(0) # Target FGDB gdb_out = arcpy.GetParameterAsText(1) ################################## # List the old FDs dslist = arcpy.ListDatasets("", "Feature") # Add old FDs to target FGDB (FC will be projected in new FDs) if dslist == "Null":     pass else:     for ds in dslist:         arcpy.CreateFeatureDataset_management (gdb_out, ds, sr)         # List FCs in FDs and copy them to new FDs         fclist = arcpy.ListFeatureClasses("","",ds)         for fc in fclist:             arcpy.CopyFeatures_management(fc, os.path.join(gdb_out, ds, fc)) # Finally, add/project any standalone FCs to the new FGDB for infc in arcpy.ListFeatureClasses():         ds = arcpy.Describe(infc)         if ds.featureType == "Simple":             # Determine if the input has a defined coordinate system, can't project it if it does not             dsc = arcpy.Describe(infc)             if dsc.spatialReference.Name == "Unknown":                 print ('Undefined Coordinate System:  ' + infc)             else:                      # run project tool                 arcpy.Project_management(infc, os.path.join(gdb_out, infc), sr)         else:             print 'No stand alone feature classes to copy' This is what I have so far....doesn´t work as I want though. There is no option for the transformation method and the dialogs do not work. Any help would be much appreciated. Thanks ... View more

Hi, I have a project which entails doing a visibility impact analysis of planned and existing wind turbines and windparks. I will be doing this with arcgis 10 and the spatial analysis extention. Looking into the forums I see that this is sometimes rather confusing due to the amount of variables which need to be considered. Mr Hubner has answered most the questions in a very professional manner but there are still a couple of questions which I have. Data -Point SHP with a single turbine position.(height of turbine = 100m) -DEM (12,5m resolution) -Polyon SHP with residential areas, woodland and industrial sites. Senario 1. Create viewshed showing raster cells which can see the wind turbine. Viewshed settings: OFFSETA = 100 (height of turbine) OFFSETB = 1,65 (average height of human) RADIUS = 10000 (10km Radius) Z-Factor = 1 (default) (is this some sort of conversion setting from ft to meters?) ####I still do not understand what the "SPOT" attribute should do??##### Is this a correct way of completing a reliable visibility analysis? Senario 2. Create viewshed showing raster cells which can see the wind turbine- also taking into account the landscape features in the polygon SHP (woodland, Indiustrial areas) - I created a raster in the same resolution as the DEM (12,5) based on the polygon SHP. The value field contains the assumed heights of the various landscape categories (e.g resedential = 6m, etc) - I mosaiced the landscape raster to the DEM adding the heights of the landscape raster to the base height of the DEM. The DEM now contains heights of the earth plus assumed heights of features (woodland etc) Viewshed settings: OFFSETA = 100 (height of turbine) OFFSETB = 1,65 (average height of human) RADIUS = 10000 (10km Radius) Z-Factor = 1 (default) ######### my questions are... 1. the documentation mostly uses the example of someone standing on the point and looking out and the taks would be to find out which raster cells can this person see from his position based on his height (e.g 1,65cm tall). However....if i turn the question around and ask which cells (positioned 1,65cm above the DEM) can see an imaginary point positioned 100m above the ground( e.g a wind turbine), would I simply change the OFFSETA to 100m and the OFFSETB to 1,65? In this case the DEM is raised by 1,65m to assume that a person has his eye level in every raster cell 1,65cm above the base DEM. Do I understand this correctly? Is it safe to assume that I can swap OFFSETA and OFFSETB as a I like, to analyse either 1. those cells that can see a point or 2. whether a point that can see certain cells? It is this difference that is confusing me slightly because I´m trying to establish whether If I set OFFSETA to be 100m and OFFSETB to 1,65 whether it is safe to assume that from the resulting viewshed the cells with value 1 can see the wind turbine in it´s entirety form ground level to 100m? I hope that I have explained this well enough to provoke an answer. yours, Robert Buckley ... View more

Hi, I need to produce some Geotiffs for other departments. Some of my images are in Tiff format but with a world file. How could I easily convert these to geotiffs? I am assuming that there is a difference between the two formats!! Also, is there any other way to export a map into geotiff other than through arcmap? I have a pretty large area showing vector daten and complicated symbology. When I export to geotiff through arcmap I either get a very pixelled image because the dpi is too low, or the symbology is ruined because the dpi is too high!!!  There must be other ways to export to geotiff other than through ArcMAP??? Thanks for any help, yours, Robert Buckley ... View more