calculate position

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nakayama	nakayama posted 5 Years Ago Topic Details Share Topic
Group: Forum Members Posts: 72, Visits: 408	Hi Dave, i wish to use pixel to calculate the position and I am aware anything in expressions has no unit so I add1px, But the stimulus still did not show, How could i fix this (the screen resolution is 19601200, and "960", "1000", "65" are all in pixel) thank you;) Attachments text4.iqx (211 views, 585 bytes)
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Dave	Dave posted 5 Years Ago ANSWER Post Details Share Post
Group: Administrators Posts: 12K, Visits: 98K	+x nakayama - 11/4/2019 Hi Dave, i wish to use pixel to calculate the position and I am aware anything in expressions has no unit so I add1px, But the stimulus still did not show, How could i fix this (the screen resolution is 19601200, and "960", "1000", "65" are all in pixel) thank you;) The first term in the calculation determines the unit, so it needs to be: <expressions> /circle_a= 1px(values.circle_r/sin(1.5708)) / circle_b=1px((values.circle_r+values.circle_rsin(1.5708))/tan(0.174533)) / circle_x1=1px(960-expressions.circle_a) /circle_y1=1px*(1000-expressions.circle_b) </expressions>
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