psconvert cannot convert plot correctly PS_PAGE_COLOR is not white about gmt HOT 4 CLOSED

Yes, I see this defeats our scheme of using a very large paper size and crop back later. The painting of the background prevents the cropping and you get a giant page size. The only way around this is to not use PS_PAGE_COLOR but to set the psconvert options you want: You want -A+glightblue. Something like this works:

gmt begin
    gmt figure map pdf A+glightblue
    gmt basemap -R0/10/0/10 -JX5c -Bafg
gmt end

The implication of this is that perhaps PS_PAGE_COLOR cannot be allowed in modern node.

from gmt.

Nice workaround.

The issue also exists in classic mode. Script below also cannot crop the plot correctly.

gmt set PS_PAGE_COLOR lightblue
gmt psbasemap -R0/10/0/10 -JX5c -Bafg > map.ps
gmt psconvert -A -P -Tf map.ps

So, PS_PAGE_COLOR is almost unusable in GMT.

from gmt.

Yes this is true. Since changing the paper color means filling the boundingbox with a color then the cropping that psconvert -A will do cannot work (since there are no marks on the page everywhere...). However, it is OK for just the PS file but not when converting and using -A. I will see if we can be clever in psconvert and delay the effect of PS_PAGE_COLOR until after the cropping has been done.

from gmt.

Clever solution implemented in PR #100

from gmt.