electronic topographic map design€¦ · c. brewer, nationalmapping.us autocarto, november 2010...
TRANSCRIPT
![Page 1: Electronic Topographic Map Design€¦ · C. Brewer, NationalMapping.us AutoCarto, November 2010 Performance of Map Symbol and Label Design with Format and Display Resolution Options](https://reader033.vdocuments.site/reader033/viewer/2022060710/60764ed047cd5778f50c37de/html5/thumbnails/1.jpg)
C. Brewer, NationalMapping.us AutoCarto, November 2010
Performance of Map Symbol and Label Design with Format and Display Resolution Options Through Scale for The National Map
Cynthia A. Brewer, Pennsylvania State UniversityChelsea L. Hanchett, Penn State -> ESRIBarbara P. Buttenfield, Univ. of Colorado-BoulderE. Lynn Usery, USGS/CEGIS
Penn State Research Assistants:Chelsea HanchettStephen Butzler, Paulo Raposo, Andrew Stauffer, Halina Sundy
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Multiscale topographic map design
• Draft design for mapping from The National Map data• Suited to multiple resolutions
– Onscreen 91 ppi (desktop)– 120 ppi (laptop)– Print 400 ppi
• Suited to multiple formats– PDF– ArcMap– Cached tile (web)– Print
• Supports hydrographic generalization evaluation
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250K100K
24K 199824K older
Existing US paper topo design
No longer produced
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Outline for talk
• Map Sample Overview• ScaleMaster – Design Through Scale• Evaluating the Maps
Other project talks at AutoCarto:• Stanislawski and Wilmer talks, Wed 10am session• Stroh, Thurs 8:30am session
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Map Sample Overview
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Missouri – 24K map data from
The National Map,all dynamic content
ArcMap to PDF to screen capture
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Missouri, 50K map with 50K LoD
Missouri50K map with
50K LoD hydroVisual evaluation of hydro in map
context
PDF export
13
2
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AutoCarto, November 2010C. Brewer, NationalMapping.us
ATL 24KArcMap capture
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CO 35KArcMap capture
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TX 50KArcMap capture
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UT 80KArcMap capture
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FL-GA 100KArcMap capture
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WV 100KArcMap capture
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ATL 250KArcMap capture
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WV 1MArcMap capture
UT 500KArcMap capture
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C. Brewer, NationalMapping.us AutoCarto, November 2010
ScaleMaster – Design Through Scale
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AutoCarto, November 2010C. Brewer, NationalMapping.us
ScaleMaster for multiscale topographic mapScaleMaster.org
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C. Brewer, NationalMapping.us AutoCarto, November 2010
ScaleMaster key to each change
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C. Brewer, NationalMapping.us AutoCarto, November 2010
ScaleMaster key to each change
ScaleMaster.org
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Categories of design change
ContentAdd Features (C+)Eliminate Features (C-)Reclassify Features (Cc)Reorder Features (Co)
LabelingAdd Labels (L+)Eliminate Labels (L-)Adjust Appearance (La)Adjust Position (Lp)
GeometryAggregate (Gg)Collapse (Gc)Displace (Gd)Exaggerate (Gx)Merge (Gm)Simplify (Gs)Smooth (Go)
GC – replace with generalized dataset
SymbolAdjust Color (Sc)Enhance (Se)Adjust Pattern (Sp)Rotate (So)Adjust Shape (Ss)Adjust Size (Sz)Adjust Transparency
(St)Typify (Sf)
Adapted from Roth et al. review; see ScaleMaster.org
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Categories of design change
ContentAdd Features (C+)Eliminate Features (C-)Reclassify Features (Cc)Reorder Features (Co)
LabelingAdd Labels (L+)Eliminate Labels (L-)Adjust Appearance (La)Adjust Position (Lp)
GeometryAggregate (Gg)Collapse (Gc)Displace (Gd)Exaggerate (Gx)Merge (Gm)Simplify (Gs)Smooth (Go)
GC – replace with generalized dataset (LoD)
SymbolAdjust Color (Sc)Enhance (Se)Adjust Pattern (Sp)Rotate (So)Adjust Shape (Ss)Adjust Size (Sz)Adjust Transparency
(St)Typify (Sf)
Adapted from Roth et al. review; see ScaleMaster.org
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Evaluating the Maps
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Quality rating categories
A - Label appearance and readabilityB - Label positioning and generalizationC - Point symbol appearanceD - Point generalizationE - Line symbol appearanceF - Line generalizationG - Area symbol appearanceH - Area generalizationI - Terrain appearanceJ - Terrain generalizationK - Vertical integration between layersL - Overall appearance of map (Goldilocks)
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Quality rating categories
E - Line symbol appearance– Line appearance too similar to other line symbols– Line too wide (or too narrow)– Line form is jagged (due to rendering)– Poor pattern choice (e.g., dash)– Poor multilayer pattern combination (e.g., dash, centerline, line
casing)– Poor color(s)– Interference from other features above or below line– Poor symbol-level drawing (line should be above or below
another feature type)
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AutoCarto, November 2010C. Brewer, NationalMapping.us
WV1:24K
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AutoCarto, November 2010C. Brewer, NationalMapping.us
WV1:50K
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AutoCarto, November 2010C. Brewer, NationalMapping.us
WV1:100K
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AutoCarto, November 2010C. Brewer, NationalMapping.us
WV1:250K
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AutoCarto, November 2010C. Brewer, NationalMapping.us
WV1:500K
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AutoCarto, November 2010C. Brewer, NationalMapping.us
WV1:1M
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Example ratings aggregation
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Experiment design
5-inch map patches examined:• by 3 raters (2 so far)• at 6 scales • for 9 subbasins (8 so far)• at 2 resolutions • in 3 file formats (2 so far)
• 2 x 6 x 8 x 2 x 2 = 384 evaluated (Aug 2010)• 3 x 6 x 9 x 2 x 3 = 972 combinations planned
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Quality ratings – preliminary results
A - Label appearance and readability 231 14B - Label positioning and generalization 226 14C - Point symbol appearance 156 10D - Point generalization 37 2E - Line symbol appearance 287 18F - Line generalization 142 9G - Area symbol appearance 142 9H - Area generalization 111 7I - Terrain appearance 56 3J - Terrain generalization 59 4K - Vertical integration between layers 110 7L - Overall appearance of map 79 5
Comments on problems: # %
Total comments: 1636
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C. Brewer, NationalMapping.us AutoCarto, November 2010
E - Line symbol appearance 18 = 11 Arc + 7 PDFA - Label appearance and readability 14 = 9 Arc + 5 PDFB - Label positioning and generalization 14 = 8 Arc + 6 PDFC - Point symbol appearance 10F - Line generalization 9G - Area symbol appearance 9H - Area generalization 7K - Vertical integration between layers 7L - Overall appearance of map 5J - Terrain generalization 4I - Terrain appearance 3D - Point generalization 2
Quality ratings – preliminary results
Overall, 1.4X more problems in ArcMapviews than PDF
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Format Makes a Difference
ArcMap120 ppi
PDF120 ppi
MO250K
enlarged
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C. Brewer, NationalMapping.us AutoCarto, November 2010
ResolutionMakes a
Difference
ArcMap91 ppi
ArcMap120 ppi
PDF120 ppi
MO250K
enlarged
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Example comments: Line symbol appearance, area generalization
E/CO/100: line too narrow (flowlines); interference from other features above or below line (flowline, reservation, roads)E/STL/24: line appearance too similar to other line symbols (state/county); poor colors (ramps); poor symbol-level drawing (roads, railroad)
H/FL/500: areas too small to suit scale (waterbodies); too many area features (waterbodies); area shapes too complex (waterbodies)H/UT/500: Too many area features (reserve); Area shapes too complex (area hydro and incorp place); Areas too small to suit scale (NA reservation)
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AutoCarto, November 2010C. Brewer, NationalMapping.us
CO1:100K
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Example comments on Labelsappearance/readability, positioning/generalization
A/ATL/250: poor curve or angle to label (road, flowlines); multiline label needed (waterbody)A/STL/24: Different case would better suit feature (change to lower case)(EMS); Too large (ctr); Poor styling (EMS spacing too wide)
B/WV/100: interference from other features (roads, contours); poor curve or angle to label (roads)B/STL/50: Too many features of one type are labeled (schools); Difficult to understand location of named feature (EMS); Hierarchy of labels would better suit feature type (pop and incorp place)
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AutoCarto, November 2010C. Brewer, NationalMapping.us
STL1:50K
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C. Brewer, NationalMapping.us AutoCarto, November 2010
What’s Next
• Refine hydro LoD 50K~200K(e.g., braiding, centerlines, islands)
• Next hydro LoD, perhaps for 200K~800K range• Generalize additional layers• More categories of importance for pruning through
scale (e.g., airports, populated places, local roads)• Evaluate Preview of appearance for cached web display• Continue evaluating design, adjust, re-evaluate• Attend to vertical data integration
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Gould CenterGeography Penn StateSummer 2010
From left:Chelsea HanchettAndy StaufferHalina SundyCindy BrewerSteve Butzler
James Wilmer
Ha’sbirthday
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C. Brewer, NationalMapping.us AutoCarto, November 2010
Acknowledgements
USGS Center of Excellence for Geospatial Information Science (CEGIS), 2007 to present
ScaleMaster funded by ESRI, 2003-2006
ResourcesProject resources: ScaleMaster.orgLynn’s USGS Center: cegis.usgs.govCindy’s website: www.personal.psu.edu/cab38babs’ Meridian Lab: greenwich.colorado.edu
Thanks:
Larry StanislawskiTom HaleUSGS-CEGIS
Charlie FryeESRI