[gdal-dev] geospatialPDF DPI and EXTRA_IMAGES
lucadeluge at gmail.com
Thu May 26 00:38:21 PDT 2016
On 25 May 2016 at 17:12, Even Rouault <even.rouault at spatialys.com> wrote:
> The following extract from the driver should hopefully answer your questions :
more or less yes, now I understood a little bit more but..
> double dfUserUnit = dfDPI * USER_UNIT_IN_INCH;
> double dfWidthInUserUnit = nWidth / dfUserUnit + sMargins.nLeft + sMargins.nRight;
> double dfHeightInUserUnit = nHeight / dfUserUnit + sMargins.nBottom + sMargins.nTop;
> --> nWidth and nHeight are the dimensions of the source raster in pixel.
if I have no raster how can I found this two values?
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