I created a Logo in InDesign CS 5.5. It contains a number of different elements and I grouped all of the lements together. The original size of the Logo is approximately 15.5 X 7.5. I also formatted the interior of a book in InDesign. I copied and pasted the logo on the title page of the book, and resized the logo to around 6.75 X 3.25 by changing the percentage of the image. I am unable to change the width and height directly because it gives me a “Requested Value is not a Legal Dimension” message. After sending the interior to the printer for review, they replied indicating that the image was less than 300 DPI. Is there a way to manage or control the resolution of images originally created in InDesign so that when they are resized, the DPI will still be a desired resolution for print?
The error usually means you've added a unit of measure to what you typed in the field without highlighting or deleting the old units. I'm puzzled by the printer's comment though. Objects you create natively in ID have no resolution -- they're vectors -- so maybe this is some imported image, or perhaps an effect that you applied? If you something like a drop shadow and you've flattened the transparency, you need to use the correct flattener settings -- High Resolution -- to get satisfactory resolution in the shadows or other effects.
A scree shot might help.
I don't understand the printer's comments either. When I create logos in ID and resize them, they don't lose their image quality. The image looks fine. I am not sure how they would pick up that the image is less than 300 DPI. It is not an imported image. I do have effects applied - Bevel and Emboss.
InDesign shouldn't really be used to create logos - you should use Adobe Illustrator - it's designed with more tools and the file format is universal for the printing industry as .ai
How are you sending the printer the logo? Are you sending the InDesign file or are you using File>Export and if so what file format, and what are your settings?
I am exporting the book as a High Resolution Print Quality PDF. Under the Advanced Setting the Transparency Flattener is set at Medium Resolution, but I am unable to alter it because it is greyed out.
The printer knows what they're talking about...
Any effect will be rasterized on print/PDF export. You can view this in the Flattener Preview. Medium resolution transparency means the gradient and mesh resolution of an object's applied effect (bevel/emboss, in this case) is rasterized at 150 ppi. Instead, try exporting to Acrobat 4 (PDF 1.3), which uses high resolution transparency flattening--gradient and mesh resolution is rasterized at 300 ppi. Also keep in mind that any rasterized effect will affect any text or stoke layered beneath it.
If the flattener presets are grayed out the file is not being flattened because the file is being exported to Adobe PDF 1.4 (Acrobat 5) or higher that supports live transparency, so the flattening is happening in the RIP at the printer (which is where it should be done in the 21st century). Resolution is his setting, not the OP's in that case, and the error is on his end. Either he is using the wrong settings, or his workflow is broken and he's doing something really bad like putting the file into Quark Xpress for imposition and flattening or he just flat out can't handle files produced using current technology.
Thanks to all who replied.
If I understand correctly, I can control how my effects are rasterized by modifying the Transparency Flattener Presets, which is located in InDesign CS5.5 under "Edit" at the top of the screen. There is already an option for HIgh Resolution and it will Rasterize Line Art and Text Resolution to 1200 ppi and Gradeint and Mesh Resolution to 300 ppi. In addition, I think the Medium Resolution would work for me because it will rasterize Line Art and Text Resolution to 300 ppi.
Furthermore, in order for those effects to take effect, I understand that when exporting to a print PDF, I need to export with the compatibility as Acrobat 4 (PDF 1.3) in order to be able to modify the Transparency Flattener to Medium or High Resolution.
On the other hand, since I was exporting to a print PDF wiht the compatibility as Acrobat 5 or higher, I assume that it was doing this at the Low resolution, which was 288 ppi, which is the exact resolution that the printer cited. It is my understanding that if you create images with effects applied like Bevel and emboss, drop shadow, etc., and exporting them to a print pdf, it would be best to export as Acrobat 4 (PDF 1.3) in order to control the Transparency Flattener Presets.
If you are not flattening there is no rasterization of the effects taking place at all in ID when the PDF is created. That is handled at output by the device that outputs the PDF, so there is no choice of flattener preset required or available for you. If you export live transparency the printer should be rasterizing the effects at the optimal settings for his equipment.