Photoshop :: Openexr Renderpasses From Maya Are Black

May 4, 2012

You can render passes in Maya that split up a beauty image into layers like reflection, diffuse, specular etc.

One option is to save these passes in float openexr files(for ultimate color fidelity).

The beauty exr file reads just fine in photoshop.

The render passes however show up as black in photoshop even though they are not as verified by imf_disp, a viewer program that comes with Maya.
 
I know the problem is that the header in the renderpass openexr file is the name of the "renderpass"(eg "specular") as opposed
to RGBA.
 
The solution for me has been to use a program that comes with Maya called imf_copy to replace the headers of the renderpass files.
 
in windows I use the following command line:
 
"C:Program FilesAutodeskMaya2012inimf_copy.exe" specular.1.exr specular_forphotoshop.1.exr
 
This results in the new file specular_forphotoshop.1.exr which is no longer black when opened with photoshop.

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Maya :: Color Management With OpenEXR - Masterlayer Passes Washed Out

Sep 27, 2011

I have recently discovered what I think could possibly be a bug when using the OpenEXR format with Mental Ray passes and color management in Maya 2011 & 2012.

For example If I create a scene using the below steps:

1. Enable Color Management (default linear work-flow)

1. Create a sphere and assign a Maya material or a mia_material_x_passes shader to it (textured)

2. Add the sphere and light to the masterLayer or any custom layer.

4. Create a beauty pass, and associate with layer

3. Change the output image format to OpenEXR

4. Render and the color looks correct once a gamma correction of 2.2 is applied. See image attached goodColorSpace.jpg

However, If I add a (CGpost) pass to the same layer; for example a cameraDepth or Object Normal. The color space for the beauty and even the masterlayer passes are all washed out. See image attached badColorSpace.jpg

It seems that when using Color Management and combining (illumination) and (CGpost) Pass Groups in a single layer with OpenEXR is creating this outcome.

I should add that changing the frame buffer dose not work either, same result with 8bit Int --> 32bit Float.

I have attached 2 images which show that by simply combining a CPost (cameraDepth) pass with an Illumination (beauty) pass creates a very different looking color space.

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Jun 20, 2012

Is it somehow possible to load .exr (OpenEXR) files with PSP X4? This format seems not to be natively supported, the Photoshop plugin does not seem to work

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Apr 4, 2011

I created a simple tree using one the visor's standard trees (oakWhite).

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How can I make sure to get the colors and texture attachments ?

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Apr 4, 2013

Sent to Mudbox working fine and i can see all uvs and so on, however sent back to maya with UVS and textures giving me hard time, whatever i do it always send it to maya with black textures. I have 3 layers on normal,spec and diffue...

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Jun 3, 2009

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May 11, 2012

I have a macro to set text attributes. The code I use is shown below and works fine.

Some fonts have attributes with other names such as 'Black', 'Black-Italic', 'Normal-Italic' etc. I would like to be able to set these attributes.

    Set s1 = ActiveLayer.CreateArtisticText(0, Position, "X")

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Jun 17, 2011

1. Black drop shadow does not appear black when Publish to PDF

2. The object beneath the drop shadow will appear as show below:

I've tried to convert the drop shadow to bitmap but the result is same.

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Aug 14, 2011

When I import an eps, or create a new object with a shape tool.  The default style is a clear fill and a hairline CYMK black (0,0,0,100) outline.  I think I know how to change it to true black (0,0,0,0), but when i import an eps or an illustrator file, it is coming in as CMYK black (0,0,0,100)

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Jun 7, 2012

I am saving a PDF from Illustrator CS4 that contains only 100% black text. My print provider is telling me that the text in the PDF has been converted to 4C, rich black. I have tried all different PDF creation settings (high quality, press quality, PDFX3, default) from Illustrator but nothing works. How can I create a PDF that maintains 100% black and prevents it from converting to process black?

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AutoCAD LT :: Black Lines Not Printing Real Black

Nov 24, 2013

Using Acad LT 2014, Win8. Using stb plot style. I also tried printing from my Win7 laptop, same result. Does not appear to be a Windows8 issue.

I am having something odd happening, I think it is new with 2014.

I noticed that my lines are not actually printing as black, but rather a very dark brown or almost black.

I have a stb style (Bk 1.00), Color = black, screening 100, and for some reason it's not really printing full black.

One layer (A-Elev-Maj) is set for color 132, but the plot style is Bk 1.00. It prints on my Canon Pixma and on pdf as very dark brown.

I have another layer (A-Fill-Bk) set to color 0,0,0, and also plot style Bk 1.00, and it prints dead black.

I tried making the A-Elev-Maj layer 0,0,0 and it still prints an "almost" black.

I checked in the stb file, it is really set to black. I tried 250, as well as 0,0,0 and go the same result.

Attached pdf. You can look at the fence railing or the triangle chimney cap to see the comparison of the A-Fill-Bk which is printing actual black and surronding lines which are "almost" black. Zoom in and you can see it.

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Jun 22, 2012

I have been working on a large number of sketches. At this stage I am just using the path tool to make the outlines of my cartoons.

I have got fairly confident with the path tool now, however on my first 3 pictures my paths were a mess. The first 3 pictures I stroked the path at 10 pixels, I would like to reduce this to 6 pixels. I am not able to go back to the original paths so I guess I need to select lines from the completed pictures and and convert these to paths, then restroke.

I have been trying to select by colour (it is all black) but that gives me the outline of the black, ie, a double path. I have tried selecting the back ground and expanding it by 2 pixels, this worked but not in tight corners.

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Why will it not stay black?

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Jun 24, 2011

bdpnp1.png

Basically a CAD program I use only exports PNG files. The CAD program can export in black and white and in color. The color PNG files open fine in CorelDraw. The black and white PNG files just show up as a black filled box.

I attached an example PNG file. Example PNG

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Aug 30, 2012

Alright, I have a grunge vector I'm using in an opacity mask over my shapes. I need to convert my .eps grunge vector to full black, if I dont then the end result looks fine in illustrator...but when brought into PS you can still see light pieces of the object that the grunge was supposed to mask out.
 
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Dec 6, 2011

Total buffoon when it comes to getting GIMP to do what I want to do. I'm just practicing with making maps, black lines on a white background, and I've run into some issues I'm wondering if I can get rectified.

1) For whatever reason, the line weight of everything has shifted throughout the file, ending with some lines lighter and grayer than others. Is there a way I can get GIMP to trace all the lines in a uniform black, with uniform thickness?

2) I have tried locking the white background, but often when I select and move my black lines, if I don't click in just the right spot it moves the white background instead, which is really, reeeaaaly aggravating. How Do I get that background to be completely untouchable?

3) In trying to colour the image, I've run into problems with their being a white outline between the colour and the black lines. I think I need to sharpen the image or somesuch? How can one correct this issue?

4) Is there anyway to convert the black dotted lines of the paths tools into straight black lines, in regards to an older file? If not, is there an easy way to trace them?

5) I find the scale too tends to make my image too jagged. I want to take a section of my map, move it too another file and enlarge it to do detail work - what's the best way to do this in order to have a clear image?

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Apr 13, 2005

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Oct 20, 2012

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Feb 14, 2008

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Normally, I'd build the black elements in PS to make sure that they'll print the same shade, but I can't do it this time because the poster is 12 feet tall... and I really don't have enough computing power to build a 12 foot tall raster-black-blob...

how can I color 100%K and keep it that way?

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Oct 31, 2012

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Aug 2, 2013

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Unfortunately I uninstall CS6. I want to install back again. Where can I find it?

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