When I simply add the PDF reader and convert to the TIFF writer, alle Images are exported separately into rows, meaning that for each individual PDF-File I get 100+ TIFFs. How can convert PDF to TIFF without this happening?
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Can you share a sample of the data you have and explain what you expect as output?
Here is the PDF Document. I just need it to be transformed to TIFF and nothing else.
https://cloud.heidekreis.de/index.php/s/E227M7wzgYcLA4a
Password: Abcd1
The link does time out for me.
If the pdf contains pages with rasters, and these rasters are georeferenced, you can merge multiple rasterfiles into one using the RasterMosaiker.
The PDF Contains individual Tiles streching right to left. See Screenshot. When I convert to tiff, they are each individually converted to tiff instead of one big image. They are not georeferenced, and therefore cannot be merged.
I have now found out, that my setting the mode to “custom” I can set the Raster heigt und width. I assume the unit is pixels. However, setting a 400 dpi is nowhere near high enough and produces a blurred image. I need to set the resolution to 2000x2000. There must be an easier way to simply convert PDF to TIFF.
This is an interesting challenge.
If all the pages have the same size rasters and they follow a logical grid, it might be possible to offset (Offsetter) the pages to the right relative location and then mosaic (RasterMosaiker) the result.
You will then have to georeference (RasterGeoReferencer) the merged raster to real world coordinates, which are on the edge of the map.
When I do this I use a small sample, like the first 3 pages, to try and get it working.
Like I mentioned before...by setting mode to custom I can create a single image...but how do I set the resolution? If I scan the Map in 400dpi the resolution is great. Here I have to set it to 2000x2000 px.
Like I mentioned before...by setting mode to custom I can create a single image...but how do I set the resolution? If I scan the Map in 400dpi the resolution is great. Here I have to set it to 2000x2000 px.
Hello
If you want to control the output size of the rasterized page based on DPI, you will need to change the Read Rasterized Pages’s Mode parameter to ‘Scale’.
Set the Pixels per Point parameter to 5 as a starting point. This is based on your example resolution of 400dpi (one point in typography is 1/72 inch so divide 400 dots per inch by 72 to calculate the approximate pixels per point).
You may need to zoom in on the output within Data Inspector to view the full resolution, as a coarser resolution is often displayed at a raster’s full extent.