topic ModelBuilder with precondition in batch mode fail in Geoprocessing Questions https://community.esri.com/t5/geoprocessing-questions/modelbuilder-with-precondition-in-batch-mode-fail/m-p/169412#M5684 <HTML><HEAD></HEAD><BODY><SPAN><SPAN>I have a model that recalculates and applies a new spatial index to a feature class which came from the discussion <A href="&lt;/span&gt;&lt;a" target="_blank">Batch" rel="nofollow" target="_blank"&gt;http://forums.arcgis.com/threads/3837-Batch-recalculate-spatial-index?p=32966#post32966]Batch</A><SPAN> recalculate spatial index.&nbsp; One issue I had with it is that it would fail if the feature class didn't have any features.&nbsp; When running a batch, this would suck as it would come across an empty feature class then stop.&nbsp; So I added a precondition to use Get Count to check that the number of rows wasn't 0.&nbsp; Works great on a single class.&nbsp; If it's empty, it indicates that the precondition fails and skips the spatial index stuff instead of throwing an error.</SPAN></SPAN><BR /><BR /><SPAN>Now, run this in batch mode with two feature classes, one with features and one without.&nbsp; If the one without features is first, then the precondition fails on both and nothing happens.&nbsp; If the one with features is first, then the precondition passes and both run which causes it to error on the empty class.&nbsp; You would think that running in batch means run the model X amount of times with the different input values.&nbsp; But it would appear there is something that crosses between inputs that causes a precondition result from one input to be applied to all input.</SPAN><BR /><BR /><SPAN>Attached is a test toolbox with the model in it.&nbsp; Has anybody else noticed this issue?&nbsp; Is there some option or setting that is missing that would allow this to work?&nbsp; In the end, I created a python script that does the same thing and that works in batch mode just fine.&nbsp; Ran into some issues with python as well, but that's a discussion for another day.</SPAN></SPAN></BODY></HTML> Thu, 05 Sep 2013 20:09:32 GMT BillyBuerger 2013-09-05T20:09:32Z ModelBuilder with precondition in batch mode fail https://community.esri.com/t5/geoprocessing-questions/modelbuilder-with-precondition-in-batch-mode-fail/m-p/169412#M5684 <HTML><HEAD></HEAD><BODY><SPAN><SPAN>I have a model that recalculates and applies a new spatial index to a feature class which came from the discussion <A href="&lt;/span&gt;&lt;a" target="_blank">Batch" rel="nofollow" target="_blank"&gt;http://forums.arcgis.com/threads/3837-Batch-recalculate-spatial-index?p=32966#post32966]Batch</A><SPAN> recalculate spatial index.&nbsp; One issue I had with it is that it would fail if the feature class didn't have any features.&nbsp; When running a batch, this would suck as it would come across an empty feature class then stop.&nbsp; So I added a precondition to use Get Count to check that the number of rows wasn't 0.&nbsp; Works great on a single class.&nbsp; If it's empty, it indicates that the precondition fails and skips the spatial index stuff instead of throwing an error.</SPAN></SPAN><BR /><BR /><SPAN>Now, run this in batch mode with two feature classes, one with features and one without.&nbsp; If the one without features is first, then the precondition fails on both and nothing happens.&nbsp; If the one with features is first, then the precondition passes and both run which causes it to error on the empty class.&nbsp; You would think that running in batch means run the model X amount of times with the different input values.&nbsp; But it would appear there is something that crosses between inputs that causes a precondition result from one input to be applied to all input.</SPAN><BR /><BR /><SPAN>Attached is a test toolbox with the model in it.&nbsp; Has anybody else noticed this issue?&nbsp; Is there some option or setting that is missing that would allow this to work?&nbsp; In the end, I created a python script that does the same thing and that works in batch mode just fine.&nbsp; Ran into some issues with python as well, but that's a discussion for another day.</SPAN></SPAN></BODY></HTML> Thu, 05 Sep 2013 20:09:32 GMT https://community.esri.com/t5/geoprocessing-questions/modelbuilder-with-precondition-in-batch-mode-fail/m-p/169412#M5684 BillyBuerger 2013-09-05T20:09:32Z