output of 'xrandr -q' before applying anything:

Screen 0: minimum 8 x 8, current 2304 x 1024, maximum 8192 x 8192
DVI-I-0 disconnected primary (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
TV-0 connected 1024x768+1280+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768      60.00*+
   800x600       60.01
   720x480       60.00
   640x480       60.01
   640x400       60.00
   512x384       60.00
DVI-I-2 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 340mm x 270mm
   1280x1024     75.02*+  60.02
   1280x960      60.00
   1152x864      75.00
   1024x768      85.00    75.03    70.07    60.00
   800x600       85.06    75.00    72.19    60.32    56.25
   640x480       85.01    75.00    72.81    59.94
DVI-I-3 disconnected (normal left inverted right x axis y axis)


after applying transformation:

Screen 0: minimum 8 x 8, current 2530 x 1024, maximum 8192 x 8192
DVI-I-0 disconnected primary (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
TV-0 connected 1178x883+1280+0 (normal left inverted right x axis y axis) 0mm x 0mm panning 1250x883+1280+0 tracking 2530x1024+0+0 border 0/0/0/0
   1024x768      60.00*+
   800x600       60.01
   720x480       60.00
   640x480       60.01
   640x400       60.00
   512x384       60.00
DVI-I-2 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 340mm x 270mm
   1280x1024     75.02*+  60.02
   1280x960      60.00
   1152x864      75.00
   1024x768      85.00    75.03    70.07    60.00
   800x600       85.06    75.00    72.19    60.32    56.25
   640x480       85.01    75.00    72.81    59.94
DVI-I-3 disconnected (normal left inverted right x axis y axis)


after removing panning:

Screen 0: minimum 8 x 8, current 2458 x 1024, maximum 8192 x 8192
DVI-I-0 disconnected primary (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
TV-0 connected 1178x883+1280+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768      60.00*+
   800x600       60.01
   720x480       60.00
   640x480       60.01
   640x400       60.00
   512x384       60.00
DVI-I-2 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 340mm x 270mm
   1280x1024     75.02*+  60.02
   1280x960      60.00
   1152x864      75.00
   1024x768      85.00    75.03    70.07    60.00
   800x600       85.06    75.00    72.19    60.32    56.25
   640x480       85.01    75.00    72.81    59.94
DVI-I-3 disconnected (normal left inverted right x axis y axis)