Latest Contributions by MervynLotter

What would then be really sweet is if you could then have the option to view the change detection results in a sankey chart ... ... View more

Thanks, then there is also an option to set the default Environment settings under the Analysis tab, can you check that the Extent was not set there. I have had this bite me before.  ... View more

A bit of a long shot, but can you look at the Environments tab and can you check the Extent setting.  ... View more

Arne, you also need to upvote your own idea.  ... View more

Hi Cici Excellent news and thank you for the feedback. Take care Mervyn ... View more

Hi Andrew I have uploaded a small MSPK with a raster elevation source that does not load in Earth Desktop and causes Earth Mobile to crash. It can be downloaded here: https://drive.google.com/open?id=1n4mVEfrTm_vuQmZ0Ug6hE1BHfvo5tC7v When adding it to Earth Desktop, I get the below error. Note that you need to turn off internet before loading the MSPK in Earth Desktop otherwise it will use the internet to to load an elevation service.  Thanks, Mervyn ... View more

Are you working with raster or vector data? If it is a raster, as I suspect, it can't be a floating point raster and the raster must have integer values. Then you need to run a geoprocessing tool called Build Raster Attribute Table to create the attribute table.  ... View more

Hi Andrew Thanks for the feedback. My own fault for not reading the help!  We live and learn.  The links posted are pretty explicit and very useful. A MMPK does not have that dependency on a basemap so I never even thought of that.  I noticed from your blog that you mentioned: Note: ArcGIS Runtime apps on version 100.7  and above support raster layers as elevation sources.  As ArcGIS Earth could not read my elevation raster in the MSPK, I gather it has an older version of ArcGIS Runtime?  Thanks, Mervyn ... View more

Hi Rob To access the raw pixel values, you need to remove the Processing Template. Click on the layer under contents pane then go to Imagery Service Layer > Data the under the Processing group, click on the Processing Template drop down and select None (as in below screenshot). The raw values will be loaded and available for use.  I am not sure whether you make use of the Make Image Server Layer gp tool, but it is a great way for working with online imagery. You can set the desired extent, projection (under Environments) and cell size for use in your analysis. Just one point to add if you are not familiar with it, you need to copy and paste in the url for the image service. Just right-click on the image service under Contents pane then select Properties > Data Source to get the url.  Make sure to specify the None under Processing Template and band 1 under Bands.  Mervyn ... View more

Hi CiCi I have spent far too much time on this but at least now I can provide some positive feedback, also for the benefit of others. When I last wrote to you, I could create a MSPK but Earth Mobile would crash as the elevation source used was in raster format (tiff in Web Mercator). In Earth Desktop the imagery would load but not the elevation surface. It could not get the values from the tiff file, but in ArcGIS Pro the MSPK could be successfully loaded.  I suspect this is an ArcGIS Runtime limitation. But by including an elevation TPKX file (created using the Manage Tile Cache GP tool) in a Web Mercator projection, the MSPK files would successfully load in Earth Mobile and Earth Desktop.  But probably my biggest headache is a bug that is present in ArcGIS Pro 2.6 Beta 3 and ArcGIS Pro 2.5.1 (the two platforms I tested).  It is only after you told me that the TPK/TPKX files must be Web Mercator and in a Global Scene that I persisted.  My just (1) creating a Global Scene; (2) adding the TPK in Web Mercator; (3) adding the elevation source as a TPK file (also in Web Mercator), I would always get an error message "ERROR 002768: Package blah blah .tpk spatial reference incompatible with Mobile Scene Package" (see below image). However, I finally figured out that it was a bug and that I needed to convert my Global Scene to a Local Scene, change the projection to Web Mercator, then convert the Local Scene back to a Global Scene and then I could create a MSPK.  If the imagery and elevation TPK files were in Web Mercator too, then it would also successfully load into Earth Mobile and Earth Desktop.  Unfortunately the Beta program closed on Friday. I will try and tag the @ArcGIS Runtime and @ArcGIS Pro teams.  ... View more

Have you tried an equal area projection? Not sure if this will solve the issue but it may be related to your choice in projection. Where in the world is your study area?   ... View more

You have used the wrong geoprocessing tool to project your raster. Define Projection is used to assign the correct projection to an existing raster or feature layer. You usually use this when you have received a file generated from some other software that did not include a .prj file, or raster equivalent.  See Define Projection—Data Management toolbox | Documentation  You must use the Project Raster geoprocessing tool to project a raster to a new projection.  Project Raster—Data Management toolbox | Documentation  ... View more

Dear Cici Thank you for the feedback. I notice now that I had confused the issue a bit with mention of SLPKs when I was thinking of MSPK files. Sorry about that.  As I had previously received an error message when trying to add a Web Mercator tpk file to my Global Scene and then creating the MSPK, such as the below example. This error message made me believe that it was simply not possible to add a Web Mercator file to a Global Scene.  However I did manage to eventually successfully create a MSPK with my satellite image as a TPK in Web Mercator.  This MSPK now loads in Earth Desktop however the Earth Mobile app crashes as soon as I add the MSPK file. I think the fault may lie with the elevation surface used in the MSPK.  Although I have used a tif file as my elevation surface, with a known projection (and I have tried a few different projections), when I add the MSPK to Earth Desktop, I get an error that the file used as my elevation surface does not have a projection, when it does. See below error message. So in Earth Desktop, the scene loads but is flat with no elevation (when disconnected).  I can successfully load the MSPK in ArcGIS Pro and then I get no error messages and the MSPK layers are properly draped over the elevation surface. Perhaps this is an issue with ArcGIS Runtime and raster elevation sources?   I will need to explore different formats for the elevation surface, unless you can offer some advice? I suspect I need an elevation tile cache.  Thank you so much for your help.  Best wishes Mervyn ... View more

Dear CiCi Thank you for the feedback and willingness to further explore the reasons this is not working. I have just created a tpk file using ArcMap10.7  and the wgs84_512_tiling_scheme.xml tiling scheme. I then used that tpk to create a slpk  using ArcGIS Pro 2.6 beta 3, and the error still persists. I have added these files to a shared folder on Google Drive.  https://drive.google.com/open?id=173x5mx6-AuV0TdIYe72XY-FB43HxhAbX  Regards Mervyn ... View more