| Flowsheet of
ET application |
Typical Easy Trace workflow; primary
stages, usefull recommendations. |
| Digitization process systematization |
As a matter of fact, tracing
is always rather random. One may say: "I am orderly digitizing
road network" but hardly know which line will be selected
at the next crossroad. Will it be right or left turn, line continuation
upward or downward, and so on? |
| Relief
autotracing |
Isoline material vectorizing as a rule
requires large share of manual labour... After Easy Trace 7.5
PRO had been issued, this statement became not so convincing...
. |
| Acceleration
of "gap removing " after automatic vectorizing |
Line scraps and small damages badly
complicate joining of ruptured lines after automatic tracing.
But this operation may be accelerated... |
About
Karaganda
|
The article shortly describes work
process, technological and administrative tricks used at preparing
of the city map's digital base. The project was fulfilled by
request of DATA+ company in the framework of GIS creating for
Karaganda Municipal Department of Internal Affairs. |
| Polygonal operations
in Easy Trace |
The article lists available polygonal
operations and describes in detail corresponding methods of execution. |
| Tracing
control at "dirty" image processing |
Practical tricks for
vectorizing of problematic materials. |
| Two ways of
color image tracing |
Vectorization using color sets - quick
start and slow ride. Separating of thematic color layers - slow
start, best result. |
| Project segmentation
and merging of vector segments |
Detailed description
of major stages in a big project - forming of total coverage
- subproject creating and merging of vector data. Most typical
difficulties are discussed. |
| Coordinate
transformation at vector data joining |
Data "come apart" sometimes
at vector coverage assembling. It may be too late to find out
who is to blame, but not too late to repair the project... |
| Simultaneous
vectorizing for GIS and printing |
Technique of line drawing for printing,
high-speed algorithm of Z-value inscription input. |
| Graph
vectorizing |
Step-by-step instruction and helpful
hints for quick and quality vectorizing of graphs. |
Technology
Digitization
Color
separation
preprocessing
