![]() ![]() Giving the 3D LUT a memorable file name will also be helpful if importing the 3D LUT to a software application. If the file path is unspecified, SpectraCal will automatically save the file under C:DocumentsSpectraCalCalMAN LUTs. In the AutoCal Setup window, select preferred file format, LUT size, bit depth, and file path for the 3D LUT.Click the AutoCal button in the bottom right-hand corner of the Create 3D Cube LUT page.If creating a 3D LUT for a software program such as SCRATCH or DaVinci Resolve, skip this workflow page by clicking Next. Click the AutoCal button to create a 1D LUT for a dedicated LUT box or display.If the indicators are green, click Calibrate Cube LUT If the indicators are red, click Optimize Display in the bottom right-hand corner and follow the instructions in the workflow for adjusting your display’s built-in settings where applicable. Check the indicators on the right-hand side of the Display Performance Analysis page.Calibrated displays will have red, green and blue evenly balanced along “0” in the RGB Balance chart and very little luminance error. These charts show your display’s native RGB balance (or, RGB cuts/gains) and luminance error. In display calibrations, the general goal is to have all error falling below a value of “3.” With a calibrated display, all the bars in this chart would fall below the green line. The DeltaE provides similar information as the CIE 1976 chart the colored bars represent luminance and chromaticity error for each color point, based on the selected colorspace standard. For the uncalibrated display measured here, many of the color points fall outside their targets. A perfectly calibrated display will have all color points shown inside their respective squares. The CIE 1976 chart shows the degree to which specific color points vary from the selected colorspace standard. The charts and graphs on this page offer several ways for users to understand their monitor’s native color performance.When finished, the workflow page should have data plotted in all the charts and graphs. Click the Read Series button to measure display performance before calibration.On the Session Options page, select your desired input level, gamma target and colorspace target for the 3D LUT calibration.For help with this step, click Meter Position at the bottom-right-hand corner of the screen. Center your meter on the screen you are calibrating. ![]() Double-check that the correct display technology is listed under the name of the connected meter on the Meter Tab. The indicator bars on each tab should be green, not yellow, and the name of the connected devices will be displayed across the top of the tab. Check the Hardware Tabs when you are finished to make sure everything is properly connected.Certain 3D LUT devices will require you to select an IP address before connecting. If creating a 3D LUT file for a software program such as SCRATCH or DaVinci Resolve, select “SpectraCal” as the manufacturer and “Cube Generator” as the model. If using a dedicated hardware device, or a supported display, select the manufacturer and model in the Find Display window. Software pattern generators, such as ASSIMILATE SCRATCH and Blackmagic Design DaVinci Resolve are listed under these drop-downs as well. Select the manufacturer and model of your pattern generator and click Connect. Click Find Source to connect to your pattern generator.Make sure to select the display type of the monitor you are calibrating to ensure the meter and software use the correct measurement tables during the calibration.On the Hardware Connect page, connect to your meter by clicking Find Meter and either selecting from the meters listed or, if your meter is not listed, selecting “All meters excepting those listed below,” then click Search.From the first page of the Color Cube (3D LUT) workflow, click “Next”.Open CalMAN and navigate to the Color Cube (3D LUT) workflow.After creating the 3D LUT, upload the file into finishing programs, such as Blackmagic Design DaVinci Resolve® and ASSIMILATE SCRATCH®, or, if you have CalMAN®Studio, into a dedicated 3D LUT hardware device or display. Use this step-by-step guide to create a corrective 3D LUT for your monitor with CalMAN. Create a detailed, accurate 3D LUT for the color correction of your professional monitor.
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