https://community.esri.com/t5/arcgis-cityengine-questions/how-to-control-as-a-variable/m-p/1293923#M11018 <P>Thank you very much, your solution has solved my problem</P> Tue, 30 May 2023 00:39:51 GMT trungta 2023-05-30T00:39:51Z https://community.esri.com/t5/arcgis-cityengine-questions/how-to-control-as-a-variable/m-p/1293884#M11016 <P>Hi everyone, I'm new to Cityengine, I'm trying to create my first ruler file and I'm wondering how to control a % value? Please see attached picture. Thank you for everyone.<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot 2023-05-29 223522.png" style="width: 594px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/71884i9EAE76C796E80E96/image-size/large?v=v2&amp;px=999" role="button" title="Screenshot 2023-05-29 223522.png" alt="Screenshot 2023-05-29 223522.png" /></span></P> Mon, 29 May 2023 15:49:04 GMT https://community.esri.com/t5/arcgis-cityengine-questions/how-to-control-as-a-variable/m-p/1293884#M11016 trungta 2023-05-29T15:49:04Z https://community.esri.com/t5/arcgis-cityengine-questions/how-to-control-as-a-variable/m-p/1293915#M11017 <P>//use the p() function probability for true in [0,1], instead of percentages</P><P>attr my_prob=0.5</P><P>base--&gt;</P><P>case p(my_prob): X //true</P><P>else :Y&nbsp; //false</P> Mon, 29 May 2023 22:20:58 GMT https://community.esri.com/t5/arcgis-cityengine-questions/how-to-control-as-a-variable/m-p/1293915#M11017 romainjanil 2023-05-29T22:20:58Z https://community.esri.com/t5/arcgis-cityengine-questions/how-to-control-as-a-variable/m-p/1293923#M11018 <P>Thank you very much, your solution has solved my problem</P> Tue, 30 May 2023 00:39:51 GMT https://community.esri.com/t5/arcgis-cityengine-questions/how-to-control-as-a-variable/m-p/1293923#M11018 trungta 2023-05-30T00:39:51Z