topic Re: Is there any problem if h in prism_ is used as a negative number? in GDL https://community.graphisoft.com/t5/GDL/Is-there-any-problem-if-h-in-prism-is-used-as-a-negative-number/m-p/571722#M5746 <P>I have used negative heights with no problems.</P> <P>Or you can MULz -1</P> <P>&nbsp;</P> <P>Barry.</P> Fri, 20 Oct 2023 02:10:57 GMT Barry Kelly 2023-10-20T02:10:57Z Is there any problem if h in prism_ is used as a negative number? https://community.graphisoft.com/t5/GDL/Is-there-any-problem-if-h-in-prism-is-used-as-a-negative-number/m-p/571721#M5745 <P>PRISM_ n, h, x1, y1, s1, ..., xn, yn, sn<BR />Is there any problem if h in prism_ is used as a negative number?<BR />Even if I use addz, should I not use negative numbers?</P> Thu, 26 Sep 2024 11:48:57 GMT https://community.graphisoft.com/t5/GDL/Is-there-any-problem-if-h-in-prism-is-used-as-a-negative-number/m-p/571721#M5745 LeeJaeYoung 2024-09-26T11:48:57Z Re: Is there any problem if h in prism_ is used as a negative number? https://community.graphisoft.com/t5/GDL/Is-there-any-problem-if-h-in-prism-is-used-as-a-negative-number/m-p/571722#M5746 <P>I have used negative heights with no problems.</P> <P>Or you can MULz -1</P> <P>&nbsp;</P> <P>Barry.</P> Fri, 20 Oct 2023 02:10:57 GMT https://community.graphisoft.com/t5/GDL/Is-there-any-problem-if-h-in-prism-is-used-as-a-negative-number/m-p/571722#M5746 Barry Kelly 2023-10-20T02:10:57Z