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Layer: CITY AP Tree Canopy Change Metrics (1)


Name: CITY AP Tree Canopy Change Metrics

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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy Change Assessment metrics for Boston, MA. These datasets consist of tree canopy change metrics summarized using various geographies. The metrics presented in these tables are based on 2019 leaf-on LiDAR, 2019 high resolution land cover, and the high resolution 2019 tree canopy layer (Tree Canopy Change 2014-2019.tif). The Tree Canopy Change Assessment is a top-down approach to analyzing forest change for over the period of 2014 and 2019. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy was gained (termed Gain), how much tree canopy was lost (termed Loss), and how much tree canopy did not change over the given time period (termed No_Change). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset. The area in which there has been a change in tree canopy (termed Change_Are) is calculated using the TreeCano_1 (2019) subtracted by the TreeCanopy (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. The percent of tree canopy change (termed Change_P1) is calculated using TreeCano_3 (2019) subtracted by TreeCano_2 (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. </span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">LandArea= Area excluding water bodies</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Gain= Area of canopy gain between the two years</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Loss= Area of canopy loss between the two years</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">No_Change= Area of no canopy change between the two years</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TreeCanopy= 2014 total canopy area (baseline)</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TreeCano_1 = 2019 total canopy area</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Change_Are= The change in area of tree canopy between the two years</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Change_Per= Relative change calculation used in economics is the gain or loss of tree canopy relative to the earlier time period: (2019 Canopy-2014 Canopy)/(2014 Canopy)</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TreeCano_2 = 2014 canopy percentage</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TreeCano_3= 2019 canopy percentage</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Change_P_1= Absolute change. Magnitude of change in percent tree canopy from 2014 to 2019 (% 2019 Canopy-% 2014 Canopy)</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

Copyright Text: Boston Parks and Recreation Department with the University of Vermont Spatial Analysis Lab

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Layer: CITY Tree Canopy Change Metrics (2)


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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy Change Assessment metrics for Boston, MA. These datasets consist of tree canopy change metrics summarized using various geographies. The metrics presented in these tables are based on 2019 leaf-on LiDAR, 2019 high resolution land cover, and the high resolution 2019 tree canopy layer (Tree Canopy Change 2014-2019.tif). The Tree Canopy Change Assessment is a top-down approach to analyzing forest change for over the period of 2014 and 2019. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy was gained (termed Gain), how much tree canopy was lost (termed Loss), and how much tree canopy did not change over the given time period (termed No_Change). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset. The area in which there has been a change in tree canopy (termed Change_Are) is calculated using the TreeCano_1 (2019) subtracted by the TreeCanopy (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. The percent of tree canopy change (termed Change_P1) is calculated using TreeCano_3 (2019) subtracted by TreeCano_2 (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. </span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">LandArea= Area excluding water bodies</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Gain= Area of canopy gain between the two years</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Loss= Area of canopy loss between the two years</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">No_Change= Area of no canopy change between the two years</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TreeCanopy= 2014 total canopy area (baseline)</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TreeCano_1 = 2019 total canopy area</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Change_Are= The change in area of tree canopy between the two years</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Change_Per= Relative change calculation used in economics is the gain or loss of tree canopy relative to the earlier time period: (2019 Canopy-2014 Canopy)/(2014 Canopy)</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TreeCano_2 = 2014 canopy percentage</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TreeCano_3= 2019 canopy percentage</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Change_P_1= Absolute change. Magnitude of change in percent tree canopy from 2014 to 2019 (% 2019 Canopy-% 2014 Canopy)</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

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Description: <div style="text-align:Left;"><p><span></span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Tree Canopy Change Assessment metrics for Boston, MA. These datasets consist of tree canopy change metrics summarized using various geographies. The metrics presented in these tables are based on 2019 leaf-on LiDAR, 2019 high resolution land cover, and the high resolution 2019 tree canopy layer (Tree Canopy Change 2014-2019.tif). The Tree Canopy Change Assessment is a top-down approach to analyzing forest change for over the period of 2014 and 2019. 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The percent of tree canopy change (termed Change_P1) is calculated using TreeCano_3 (2019) subtracted by TreeCano_2 (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. </span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">LandArea= Area excluding water bodies</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Gain= Area of canopy gain between the two years</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Loss= Area of canopy loss between the two years</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">No_Change= Area of no canopy change between the two years</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">TreeCanopy= 2014 total canopy area (baseline)</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">TreeCano_1 = 2019 total canopy area</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Change_Are= The change in area of tree canopy between the two years</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Change_Per= Relative change calculation used in economics is the gain or loss of tree canopy relative to the earlier time period: (2019 Canopy-2014 Canopy)/(2014 Canopy)</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">TreeCano_2 = 2014 canopy percentage</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">TreeCano_3= 2019 canopy percentage</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt 0pt;"><span></span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Change_P_1= Absolute change. Magnitude of change in percent tree canopy from 2014 to 2019 (% 2019 Canopy-% 2014 Canopy)</span></p></div>

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Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy was gained (termed Gain), how much tree canopy was lost (termed Loss), and how much tree canopy did not change over the given time period (termed No_Change). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset. The area in which there has been a change in tree canopy (termed Change_Are) is calculated using the TreeCano_1 (2019) subtracted by the TreeCanopy (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. 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Magnitude of change in percent tree canopy from 2014 to 2019 (% 2019 Canopy-% 2014 Canopy)</span><span></span></p></div>

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Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy was gained (termed Gain), how much tree canopy was lost (termed Loss), and how much tree canopy did not change over the given time period (termed No_Change). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset. The area in which there has been a change in tree canopy (termed Change_Are) is calculated using the TreeCano_1 (2019) subtracted by the TreeCanopy (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. The percent of tree canopy change (termed Change_P1) is calculated using TreeCano_3 (2019) subtracted by TreeCano_2 (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. </span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">LandArea= Area excluding water bodies</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Gain= Area of canopy gain between the two years</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Loss= Area of canopy loss between the two years</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">No_Change= Area of no canopy change between the two years</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">TreeCanopy= 2014 total canopy area (baseline)</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">TreeCano_1 = 2019 total canopy area</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Change_Are= The change in area of tree canopy between the two years</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Change_Per= Relative change calculation used in economics is the gain or loss of tree canopy relative to the earlier time period: (2019 Canopy-2014 Canopy)/(2014 Canopy)</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">TreeCano_2 = 2014 canopy percentage</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">TreeCano_3= 2019 canopy percentage</span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Change_P_1= Absolute change. Magnitude of change in percent tree canopy from 2014 to 2019 (% 2019 Canopy-% 2014 Canopy)</span></p></span>

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Magnitude of change in percent tree canopy from 2014 to 2019 (% 2019 Canopy-% 2014 Canopy)</span></p></div>

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• TC_ID (type: esriFieldTypeInteger, alias: TC_ID, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Shape_Leng (type: esriFieldTypeDouble, alias: Shape_Leng, SQL Type: sqlTypeOther, nullable: true, editable: true)
• OBJECTID (type: esriFieldTypeInteger, alias: OBJECTID, SQL Type: sqlTypeOther, nullable: true, editable: true)
• TC_ID_1 (type: esriFieldTypeInteger, alias: TC_ID_1, SQL Type: sqlTypeOther, nullable: true, editable: true)
• LandArea (type: esriFieldTypeDouble, alias: LandArea, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Gain (type: esriFieldTypeDouble, alias: Gain, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Loss (type: esriFieldTypeDouble, alias: Loss, SQL Type: sqlTypeOther, nullable: true, editable: true)
• No_Change (type: esriFieldTypeDouble, alias: No_Change, SQL Type: sqlTypeOther, nullable: true, editable: true)
• TreeCanopy (type: esriFieldTypeDouble, alias: TreeCanopy, SQL Type: sqlTypeOther, nullable: true, editable: true)
• TreeCano_1 (type: esriFieldTypeDouble, alias: TreeCano_1, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Change_Are (type: esriFieldTypeDouble, alias: Change_Are, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Change_Per (type: esriFieldTypeDouble, alias: Change_Per, SQL Type: sqlTypeOther, nullable: true, editable: true)
• TreeCano_2 (type: esriFieldTypeDouble, alias: TreeCano_2, SQL Type: sqlTypeOther, nullable: true, editable: true)
• TreeCano_3 (type: esriFieldTypeDouble, alias: TreeCano_3, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Change_P_1 (type: esriFieldTypeDouble, alias: Change_P_1, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Name: PARCELS Tree Canopy Change Metrics
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 6/26/2024 3:23:31 PM

Schema Last Edit Date: 5/14/2021 12:59:12 PM

Data Last Edit Date: 5/14/2021 12:59:12 PM