Thanks Adrian Yes in the past I would have used "&&” (AND), “||” (OR) in the maths expressions rather than the “? T : F” notation. Much cleaner to read, but it’s a year since I did any QC coding!
Best Alastair Alastair I Leith Useful Design +61 432 889 831 11 Mouquet Vista White Gum Valley WA 6162 Australia > On 19 Mar 2018, at 9:17 am, Adrian Ward <adr...@clayinteractive.co.uk> wrote: > > > LOGIC101 > > You can specify multiple conditions within the same Maths patch. > > "a > 3" is one condition, the result of which is true when a is higher than 3. > > "a < 8" is another condition, the result of which is true when a is below 8. > > Use a boolean operator (&& aka "Logical AND") to specify that you want BOTH > of these conditions to be true to generate a final true output (eg. a is more > than 3 and less than 8): > > (a > 3) && (a < 8) > > A different boolean operator (|| aka "Logical OR") might be used to specify > that you either EITHER of two conditions to be true to generate a final true > output (eg. a is less than 2 or more than 7): > > (a < 2) || (a > 7) > > You can combine as many operators as you like into a single expression, just > be careful to use parenthesis to place brackets around groups of conditions > so that it is unambiguous what you intend with your logic. Get this wrong, > and you will experience bugs and unintended behaviour. > > ((a < 2) || (a > 7)) && (a == 4) > > Also, be careful you don't accidentally use & and | which mean completely > different things, the subject of which will be covered in a future tutorial. > > Class dismissed. > > >> On 18 Mar 2018, at 20:20, Xoán-Xil López <xoan...@gmail.com >> <mailto:xoan...@gmail.com>> wrote: >> >> Thanks Alastair for your quick answer and for the example, >> >> I guess I didn´t explain well. I think what I am looking for is different. >> When I start the DAW I get in QC an increasing count with the measures >> numbers (1, 2 , 3, 4, 5, 6, 7, 8, etc...). >> >> So, if I create, for example, a math expression "a > 3" when I get 4 and the >> Math expression object is conected to the "enable" circle conector the >> circle patch is enabled. That works great. >> >> But I can not imagine how to create an Math expression for send 0 or disable >> the circle object when the counter reaches, for example, 8 in the count? >> >> Sorry if I am not beeing very descriptive. >> >> >> >> 2018-03-18 16:00 GMT+01:00 Alastair Leith <usefuldesign...@gmail.com >> <mailto:usefuldesign...@gmail.com>>: >> I’m not sure what form the time signature or “measures informations” are >> expressed in. >> >> but if you are talking about 4/4 or 3/4 or 6/8 or 11/12 type or time >> signatures this come shows you how. >> >> I’m assuming the time signature comes in “3, 4” type of string and I split >> it with a String Components patch. >> >> >> >> hope that helps >> >> Best >> Alastair >> >> Alastair I Leith >> >> Useful Design >> +61 432 889 831 >> 11 Mouquet Vista >> White Gum Valley >> WA 6162 Australia >> >>> On 18 Mar 2018, at 10:59 pm, Xoán-Xil López <xoan...@gmail.com >>> <mailto:xoan...@gmail.com>> wrote: >>> >>> Hi, >>> >>> I need some help with a mathematical expresion. >>> >>> I am getting the measures from a DAW with midiclock receiver and I would >>> like to enable and dissable elements inside Quartz Composer using the >>> mesaures informations. >>> >>> For instance, I want a video enable in measure 3 and disable in measure >>> 10... How do I write this as a Math expression. >>> >>> Thanks in advance >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com >>> <mailto:Quartzcomposer-dev@lists.apple.com>) >>> Help/Unsubscribe/Update your Subscription: >>> https://lists.apple.com/mailman/options/quartzcomposer-dev/usefuldesign.au%40gmail.com >>> >>> <https://lists.apple.com/mailman/options/quartzcomposer-dev/usefuldesign.au%40gmail.com> >>> >>> This email sent to usefuldesign...@gmail.com >>> <mailto:usefuldesign...@gmail.com> >> >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com >> <mailto:Quartzcomposer-dev@lists.apple.com>) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/quartzcomposer-dev/adrian%40clayinteractive.co.uk >> >> <https://lists.apple.com/mailman/options/quartzcomposer-dev/adrian%40clayinteractive.co.uk> >> >> This email sent to adr...@clayinteractive.co.uk >> <mailto:adr...@clayinteractive.co.uk> > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com > <mailto:Quartzcomposer-dev@lists.apple.com>) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/quartzcomposer-dev/usefuldesign.au%40gmail.com > > <https://lists.apple.com/mailman/options/quartzcomposer-dev/usefuldesign.au%40gmail.com> > > This email sent to usefuldesign...@gmail.com > <mailto:usefuldesign...@gmail.com>
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