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Mapping Memorial Trees

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This is a portion of the attribute data for the trees on ... Crimson King Maple. Crimson King Maple. Tree Type. VFS Building. David R. Fogle. 4. 798197.6070 ... – PowerPoint PPT presentation

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Title: Mapping Memorial Trees


1
Mapping Memorial Trees
  • By
  • Dave LaCross
  • Ferris State University

2
Principals of GIS
Geographic Information System Links spatial data
(maps) with attribute data (tables) for the
purpose of, storage, retrieval, analysis, and
display.
3
Attribute Data
  • This is a portion of the attribute data for the
    trees on campus at Ferris State University

4
Base Map Data
  • The AutoCAD files that were used in the base map
    of campus were supplied by Gary Bilow from
    Woolpert.
  • The Shapefiles of the buildings, roads, and
    sidewalks were created from the AutoCAD file.
  • Then the shape files were brought into ArcMap and
    a base map of campus was created in GIS.
  • The next step was to import the tree information
    into the map.

5
Collection of Tree Locations
  • GPS was used for the collection of the actual
    tree locations around campus.
  • Since you cannot use GPS directly under a tree or
    close to buildings, the coordinates of the tree
    locations had to be collected using a 10 offset.

6
(No Transcript)
7
Not at Ferris State University!
8
Errors in the Initial Map
  • Problem 1
  • Some of the trees are located inside buildings
    and some on the main roads.
  • Solution the reason for these mistakes was the
    10 offset that was used during the collection
    process. This offset correction was often
    mistakenly added instead of subtracted.
  • Problem 2
  • Many trees listed in the physical plant donation
    table were not found.

9
Missing memorial trees
  • Clare Kwant from Ferris State University Physical
    Plant was given a copy of the list of trees that
    are missing or could not be located.
  • He sent his crews out to remark/plant the trees
    that were in the donation list and were missing.
  • Once the trees were marked a second campaign of
    GPS data collecting was performed and the map was
    completed.

10
Final Map
  • The new tree locations were added to the map and
    to the table.
  • Then the map had to be checked for errors and
    corrected.
  • Labeling was also a challenge where many words
    should be placed in a small space
  • Following a phase of editing and cartographic
    enhancement we obtained the following map.

11
Data distribution
  • The collected spatial data (Shape files) and
    produced maps (PDF) were loaded to a website at
  • http//btcsure1.ferris.edu/fsu/
  • People involved in the project received an e-mail
    notification.

12
Mapping Memorial Trees
  • Any Questions?
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