Are you a filmmaker struggling to realize the right coloration tone on your Redshift renders? Matching the tone of your Redshift renders in After Results is usually a daunting activity, nevertheless it’s essential for creating cohesive and visually beautiful content material. On this article, we are going to information you thru the great strategy of matching Redshift tonemapping in After Results, offering step-by-step directions and helpful insights that will help you elevate your coloration grading expertise.
Earlier than delving into the technicalities, it is important to ascertain the importance of coloration matching. Shade performs a pivotal function in conveying feelings, setting the temper, and guiding the viewers’s consideration. By matching the tone of your Redshift renders in After Results, you possibly can guarantee consistency throughout totally different pictures and preserve the general aesthetic imaginative and prescient of your venture. Furthermore, it lets you seamlessly combine CG components with live-action footage, making a visually cohesive and immersive expertise.
To realize correct coloration matching, it is necessary to grasp the idea of tonemapping. Tonemapping refers back to the strategy of changing the excessive dynamic vary (HDR) output of Redshift into the restricted dynamic vary (LDR) of After Results. By adjusting the publicity, distinction, and different parameters, you possibly can convey the colours and brightness ranges of your renders in step with the remainder of your footage. The correct software of tonemapping strategies is crucial for creating real looking and visually interesting pictures that interact your viewers.
Matching Saturation and Shade Vary
A vital step in matching Redshift tonemapping in After Results is aligning the saturation and coloration vary between the rendered footage and the ultimate composite. Here is an in depth information on how one can obtain this:
Saturation Matching
Start by evaluating the saturation ranges in Redshift and After Results. Use the Lumetri Shade panel in After Results or adjustment layers to regulate the saturation till the colours within the footage match the rendered picture. It’s also possible to use instruments just like the Eyedropper instrument to pattern colours from the rendered picture and apply them to your footage.
Take note of particular areas throughout the picture, akin to pores and skin tones, skies, and vegetation, to make sure correct saturation matching. Changes will be made selectively utilizing masks or keyframes to create a extra nuanced impact.
Here is a desk summarizing the steps for saturation matching:
| Step | Description |
|---|---|
| 1 | Evaluate saturation ranges between Redshift and After Results. |
| 2 | Regulate saturation utilizing Lumetri Shade or adjustment layers. |
| 3 | Pattern colours from the rendered picture to make sure accuracy. |
| 4 | Use masks or keyframes for selective changes. |
Adjusting Distinction and White Steadiness
Refining the distinction and white steadiness is essential for precisely matching the Redshift tonemapping in After Results. Comply with these detailed steps for optimum outcomes:
Distinction Changes
To boost the picture’s distinction, make the most of the Ranges impact. Regulate the center slider (gamma) to extend or lower the distinction. For finer management, use the black and white sliders to regulate the darkest and lightest values, respectively.
White Steadiness Changes
Correcting the white steadiness ensures correct coloration illustration. Use the Shade Steadiness impact, and alter the next settings:
- Midtones: Regulate the temperature and tint sliders to appropriate the general coloration solid.
- Shadows: Modify the Shadow temperature and tint values to reinforce the colour steadiness in darker areas.
- Highlights: Regulate the Spotlight temperature and tint sliders to refine the colour steadiness in brighter areas.
| Management | Description |
|---|---|
| Temperature | Adjusts the coolness or heat of the colours. |
| Tint | Offsets the colour solid in direction of inexperienced or magenta. |
Tweaking Shadows and Highlights
To fine-tune the shadows and highlights in your picture, use the **Shadows** and **Highlights** sliders. These sliders alter the brightness of the darkest and lightest areas, respectively.
To regulate the shadows, drag the **Shadows** slider to the precise to brighten the darkish areas or to the left to darken them. To regulate the highlights, drag the **Highlights** slider to the precise to brighten the sunshine areas or to the left to darken them.
When adjusting the shadows and highlights, it is necessary to maintain the next in thoughts:
- The **Shadows** and **Highlights** sliders have an effect on the complete picture, not simply particular areas.
- Adjusting the **Shadows** slider also can have an effect on the midtones, so watch out to not overdo it.
- Adjusting the **Highlights** slider also can have an effect on the whites, so watch out to not blow out the highlights.
Superior Shadow and Spotlight Adjustment
For extra superior shadow and spotlight adjustment, you should use the **Curves** instrument. The **Curves** instrument allows you to alter the brightness of particular areas of the picture utilizing a curve. To make use of the **Curves** instrument:
| Step | Motion |
|---|---|
| 1 | Choose the **Curves** instrument from the **Instruments** panel. |
| 2 | Click on on the road within the graph so as to add a degree. |
| 3 | Drag the purpose as much as brighten the realm or all the way down to darken it. |
Verifying Shade Accuracy
Verifying the colour accuracy of a Redshift render in After Results is essential for guaranteeing that the colours match the unique scene. Listed here are some strategies you should use:
1. RGB Shade Values:
Evaluate the RGB values of a particular pixel in each the Redshift render and the After Results composition. Be certain that the values are as shut as attainable or inside an appropriate tolerance.
2. Shade Pickers:
Use a third-party coloration picker instrument, akin to Adobe Shade Picker, to pattern colours from each the Redshift render and the After Results composition. Evaluate the sampled colours to confirm their accuracy.
3. Shade Charts:
Create a coloration chart that comprises a variety of colours, and render it utilizing Redshift. Import the colour chart into After Results and evaluate the colours to the unique. This helps determine any coloration area discrepancies.
4. Shade Profile Checks:
Be certain that the Redshift render and the After Results composition are utilizing the identical coloration profile. If mismatched, convert one of many pictures to match the opposite utilizing a coloration profile converter or inside After Results itself. Discuss with the desk beneath for extra particulars on coloration profiles:
| Shade Profile | Description |
|---|---|
| Rec. 709 | Customary coloration profile for HD video |
| Rec. 2020 | Huge coloration gamut profile for UHD video |
| sRGB | Frequent coloration profile for internet and on-line use |
Calibrating Screens for Redshift
To make sure correct coloration matching between Redshift and After Results, it is essential to calibrate your displays.
{Hardware} Calibration
Utilizing a {hardware} calibrator, such because the Datacolor SpyderX or the X-Ceremony i1 Show Professional, is essentially the most exact calibration technique.
Comply with the producer’s directions to attach the calibrator to your monitor and run the calibration software program.
Software program Calibration
If {hardware} calibration is unavailable, you should use software program calibration instruments inside your working system or third-party functions.
In Home windows, go to “Show Settings > Superior show” and choose “Shade calibration.” In macOS, entry “System Preferences > Shows > Shade” and select “Calibrate.”
Calibration Settings
When calibrating your monitor:
- Set the white level to 6500K (daylight).
- Regulate the gamma to 2.2, the usual for laptop displays.
- Set the distinction and brightness ranges to realize an optimum steadiness.
- Use the calibration report back to confirm the accuracy of your calibration.
Verification and Iteration
As soon as you have calibrated your monitor, evaluate the colours in Redshift with After Results to make sure they match. If discrepancies persist, make slight changes to your calibration settings and repeat the verification course of till you obtain a passable match.
| Calibration Software | Professionals | Cons |
|---|---|---|
| {Hardware} Calibrator | Most exact and constant Simple to make use of |
Will be costly |
| Software program Calibration | Free and broadly obtainable Much less exact than {hardware} calibration |
Could require handbook changes |
Modifying Switch Features
Switch features (TFs) outline how the unique HDR picture is mapped to the ultimate SDR picture, affecting the brightness, distinction, and coloration saturation. Redshift’s ACES workflow makes use of a number of TFs:
- ACES CST: Transforms linear HDR knowledge into ACES coloration area.
- ODT: Non-compulsory tone-mapping operator that adjusts the general distinction and brightness.
- RRT/RRT+ODT: Tone-mapping operators particularly designed for ACES that improve distinction and protect coloration accuracy.
Adjusting ODT Parameters
The ODT (non-obligatory tone-mapping operator) is an important instrument for fine-tuning the brightness and distinction of the SDR picture.
In After Results, you possibly can entry the ODT settings throughout the “Redshift 3D” tab beneath “Tone Mapping”.
Key parameters to contemplate:
| Parameter | Description |
|---|---|
| Distinction | Units the general brightness and distinction of the picture. |
| Black Clip | Limits the quantity of black within the picture to stop crushed blacks. |
| White Clip | Limits the quantity of white within the picture to stop blown-out highlights. |
| Log Slope | Controls the steepness of the curve, adjusting the distinction at low brightness ranges. |
| Saturation | Adjusts general coloration saturation, preserving hue and chroma. |
LUT-Primarily based Switch Features
Moreover, you possibly can make the most of Look-Up Tables (LUTs) as switch features. LUTs are pre-defined coloration transformations that may emulate particular movie appears or creative results.
To use a LUT, navigate to “File” > “Import” > “LUT” in After Results, choose your required LUT, and allow the “Use Shade LUT” possibility throughout the “Redshift 3D” tab.
LUTs present a handy and non-destructive solution to alter the tone and coloration of your SDR picture, permitting for fast and environment friendly coloration grading.
Utilizing the Histogram Panel
The Histogram panel supplies a graphical illustration of the distribution of pixel values in your picture. It is a highly effective instrument for analyzing and adjusting the tonal vary and distinction of your picture.
Analysing the Histogram
The histogram is displayed as a graph with two axes: the x-axis represents the pixel values from black (0) to white (255), and the y-axis represents the variety of pixels at every pixel worth. A histogram that peaks on the left signifies an underexposed picture, whereas a histogram that peaks on the precise signifies an overexposed picture. A histogram that’s evenly distributed throughout the complete vary of pixel values signifies a well-exposed picture.
Adjusting the Redshift Tonemapping
To regulate the redshift tonemapping, open the Shade Correction panel and navigate to the Curves tab. Click on on the “Hue vs. Hue” curve and drag the curve to the left to extend the quantity of redshift or to the precise to lower the quantity of redshift.
Superior Histogram Evaluation
The histogram panel additionally consists of various superior options for analysing the tonal vary of your picture. These options embrace:
- Logarithmic View: This view compresses the histogram so as to see extra element within the highlights and shadows.
- RGB Histogram: This view exhibits three separate histograms for the purple, inexperienced, and blue channels.
- Histogram Statistics: This view shows a desk of statistics concerning the tonal vary of your picture, together with the minimal, most, and common pixel values.
| Statistic | Description |
|---|---|
| Minimal | The darkest pixel worth within the picture |
| Most | The lightest pixel worth within the picture |
| Common | The typical pixel worth within the picture |
| Customary Deviation | A measure of the unfold of pixel values within the picture |
Saving and Reusing Tonemapping Presets
To save lots of your custom-made tonemapping settings as a preset for future use:
- Open the Redshift Tonemapper panel.
- Regulate the tonemapping settings to your required values.
- Click on the “Preset” button within the panel.
- Choose “Save Preset” from the menu.
- Enter a reputation on your preset and click on “Save.”
To reuse a saved preset:
- Open the Redshift Tonemapper panel.
- Click on the “Preset” button.
- Choose “Load Preset” from the menu.
- Navigate to and choose your saved preset file.
- Click on “Open” to load the preset.
It’s also possible to share your presets with others by exporting them as .json information. To export a preset:
- Open the Redshift Tonemapper panel.
- Click on the “Preset” button.
- Choose “Export Preset” from the menu.
- Enter a reputation on your preset file and click on “Save.”
To import a preset from a .json file:
- Open the Redshift Tonemapper panel.
- Click on the “Preset” button.
- Choose “Import Preset” from the menu.
- Navigate to and choose the .json preset file.
- Click on “Open” to import the preset.
By saving and reusing tonemapping presets, you possibly can rapidly and simply apply constant coloration grading to a number of initiatives.
Changing Redshift Colours to After Results
Redshift’s ACEScg output just isn’t instantly appropriate with After Results’ default coloration area. To match the colours between the 2 applications, you should convert the Redshift output utilizing a coloration transformation matrix.
ACES to sRGB Conversion Matrix
The next matrix converts ACEScg to sRGB:
| R | G | B | |
|---|---|---|---|
| R | 1.01733513 | 0.05599700 | 0.04091189 |
| G | 0.04497747 | 1.12382760 | 0.01156677 |
| B | 0.00965785 | 0.07972812 | 1.30129267 |
You’ll be able to apply this matrix in After Results utilizing the Shade Correction impact.
Making use of the Conversion Matrix
To use the conversion matrix in After Results:
1. Create a Shade Correction impact and add it to the layer with the Redshift output.
2. Set the Shade House to Guide.
3. Within the RGB Matrix tab, paste the conversion matrix into the Enter Matrix discipline.
4. Set the Output Matrix to sRGB.
This can convert the colours from ACEScg to sRGB, matching them to the After Results coloration area.
Troubleshooting Shade Mismatches
If you happen to’re encountering coloration mismatches between Redshift and After Results, comply with these steps:
1. Verify LUT Rendering
Be certain that each Redshift and After Results are utilizing the identical LUT for rendering. Mismatched LUTs may cause coloration discrepancies.
2. Confirm Shade Profile Conversion
Affirm that the colour profile conversion settings in Redshift and After Results are constant. Totally different coloration profiles can result in coloration variations.
3. Examine Materials Settings
In Redshift, look at the fabric settings to make sure they’re correct. Mismatched materials properties (e.g., diffuse coloration) may cause coloration variations.
4. Evaluation Lighting Situations
Verify the lighting situations in each Redshift and After Results to make sure they’re related. Variations in lighting can impression coloration rendering.
5. Evaluate Picture Measurement and Decision
Confirm that the picture measurement and backbone in Redshift and After Results match. Scaling variations can result in coloration discrepancies.
6. Examine Tonemapping Parameters
In After Results, rigorously alter the tonemapping parameters to match the tonemapping utilized in Redshift. Mismatched tonemapping settings may cause coloration shifts.
7. Contemplate Digital camera Publicity
Look at the digicam publicity settings in each Redshift and After Results. Totally different publicity ranges can have an effect on coloration rendering.
8. Verify Put up-Processing Results
Disable or alter any post-processing results utilized in After Results. These results can alter coloration notion.
9. Evaluate Shade House Settings
Affirm that the colour area settings in Redshift and After Results are equivalent. Mismatched coloration areas can lead to coloration variations.
10. Examine Rendering Settings
| RedShift Setting | After Results Setting |
|---|---|
| Major Sampling | Sampling High quality |
| Secondary Sampling | Refinement |
| Tonemapping Methodology | Tone Mapping Methodology |
| Output Black Degree | Black Degree |
| Output White Degree | White Degree |
Guarantee these settings are constant between the 2 functions to attenuate coloration mismatches.
How To Match Redshift Tonemapping In After Results
Redshift is a strong rendering engine that may produce beautiful pictures. Nevertheless, its default tonemapping settings can generally be too contrasty or saturated for some initiatives. On this tutorial, we’ll present you how one can match the tonemapping of a Redshift render in After Results.
First, open the Redshift render in After Results. Then, create a brand new adjustment layer and add the Redshift Tonemap impact. Within the impact’s settings, you possibly can alter the next parameters:
- Publicity: Adjusts the general brightness of the picture.
- Distinction: Adjusts the distinction between the lightest and darkest areas of the picture.
- Saturation: Adjusts the depth of the colours within the picture.
- Gamma: Adjusts the general brightness of the picture.
Experiment with these settings till you discover a look that matches the tonemapping of the Redshift render. It’s also possible to use the eyedropper instrument to pattern the colour of a particular space within the Redshift render and match it to the After Results adjustment layer.
When you’re pleased with the look of the tonemapping, it can save you the adjustment layer as a preset. This can mean you can rapidly apply the identical tonemapping settings to different Redshift renders sooner or later.
Individuals Additionally Ask
How do I match the colour of a Redshift render in After Results?
To match the colour of a Redshift render in After Results, you should use the eyedropper instrument to pattern the colour of a particular space within the Redshift render and match it to an adjustment layer in After Results.
How do I alter the distinction of a Redshift render in After Results?
To regulate the distinction of a Redshift render in After Results, you should use the Distinction parameter within the Redshift Tonemap impact. Growing the Distinction worth will enhance the distinction between the lightest and darkest areas of the picture.
How do I save the tonemapping settings from a Redshift render in After Results?
To save lots of the tonemapping settings from a Redshift render in After Results, it can save you the adjustment layer as a preset. This can mean you can rapidly apply the identical tonemapping settings to different Redshift renders sooner or later.
