Adding Fills to PNGs from a Deconstructed PDF map
roy.denton
Traveler
Is it possible to add pngs of various layers that I have obtained by deconstructing a PDF of a map and then add CC3+ fills to it? For example I'll have a png file for the pine forest, deciduous forest, open woodland, agricultural areas, oceans, rivers and lakes, etc.
Comments
“If possible, the image should also be of a reasonably high resolution, it is difficult to give an exact size, but preferably around 2000px in the largest dimension. If the resolution is too low, it results in large pixels, which tends to give a blocky result.”
Is that 2000px per inch?
Resolution in the sense described relates to the actual size of the image by the number of pixels along it's sides. So an image with only 200 pixels on each side would be small = low resolution. If you had an apple drawn on that tiny image it would look really blocky and not at all smooth. 2000px is ten times the size and the outline of the apple would be smoothly curved, despite being made up of nasty pointy square pixels. The resulting trace from the larger image will be much smoother.
However, do not be fooled into thinking that everything will be ok if you just enlarge your image. All that happens when a low res image is enlarged is that the 'blockiness' also gets enlarged. You need to start with a nice high res image.
Is it possible to bring in an image of the rivers and contour lines, separately of course, and get them outlined or transformed into cc3+ items?
Or would I have to hand trace over them in cc3+ to get what I want?
Is now is that I am trying to add a “Terrain Default, Forest Mixed” fill style using change properties >> change like drawing tool >> selecting the forest mixed from the select drawing tool pop up. At this point I get this message: Selected tool can not be applied to other entities. What does this mean?
I used this same method for land and farmland fills. I learned this from the contour tutorial. I have tried this with Terrain Default, Forest Back and without.
If you want to fill an existing shape with trees like those tools do, you should instead use Draw --> Fill With Symbols (Which is the same command the macro for those drawing tools calls on)