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The Geospatial Competency Centre (GCC) is committed to maintaining the Enterprise Geospatial Environment (EGE) in a State of Good Repair in order to provide consistent and reliable service to all City divisions, as well as access to new technologies.

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Info

*NEW* 2023 ArcGIS Client Upgrade Plan

To keep up with the emerging GIS industry trends and remain in state of good repair, it is imperative that the Enterprise Geospatial Environment (EGE) is assessed and upgraded based on customer needs and technology advancements at a more frequent schedule.

The purpose of the ArcGIS client upgrade plan is to provide as much advance notice as possible regarding the environment and technology changes, and to help clients understand the required actions and implications of these changes.

Info

Stay Tuned:

  1. GCCVIEW
    Much of the work being done will not be initially visible to desktop GIS users. When configuration changes are required, we will provide communication on how to go about making those changes. The viewing environment will be upgraded to Esri Geodatabase 10.8.1 in Q2-Q3, 2023.

  2. Changes to GPA2
    Esri has announced the deprecation of user schema geodatabases in Oracle*. ArcGIS 10.6.1 and ArcGIS Pro 2.1 are the last releases to support their creation. We are actively working on plans to move GPAG2 to a new Esri geodatabase model. No additional action is required for existing GPAG2 users at this point. Please contact gcc@toronto.ca if you have any questions.

    *ArcGIS Deprecation Notice

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1 ArcMap & ArcCatalog require a 32-bit Oracle Client. ArcGIS Pro requires a 64-bit Oracle client. 
2 Upgrading to a newer version of ArcGIS Pro is not supported by Esri while we are using Oracle 18c databases.

Required Actions for GCCView users

Upgrade license manager – Deadline: Dec 31st, 2023

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  • ArcGIS Pro 2.9 [LINK]

  • ArcGIS Pro 3.0 [LINK]

Important information from the previous SOGR

Expand
titleCoordinate System Migration

NAD27 MTM Zone 10 to NAD83 (CSRS) / MTM zone 10

Migration of the coordinate system
from: NAD27 MTM Zone 10
to: NAD83 (CSRS) / MTM zone 10

NAD83 (CSRS)

North American Datum of 1983 (sometimes called NAD83) is the current reference system adopted as a national standard by most federal and provincial agencies in Canada. Neighbouring municipalities of the City of Toronto are mostly using NAD83. The previous datum used (NAD27) made it difficult to share accurate geographic data with external municipalities and consultants.

The North American Datum of 1983 (Canadian Spatial Reference System) is the improved realization of NAD83 for Canada. It is often referred to as NAD83 (CSRS) or just CSRS. It is the most current and practical representation of the City of Toronto.

For further information, see The Canadian Spatial Reference System (CSRS).

NAD83 (CSRS) / MTM zone 10

The City of Toronto uses the North American Datum of 1983 (NAD83) Canadian Spatial Reference System (CSRS) with a Modified Transverse Mercator (MTM) projection with for its geographic layers.

It is available in the CITYMTM data schema in GCCVIEW IGEDMG2.

This coordinate system can be referred to using EPSG code: 2952 and Well-known Text: NAD83 (CSRS) / MTM zone 10. Technical details of this coordinate reference system can be found in the IOGP's EPSG Geodetic Parameter Dataset.

NAD83 (CSRS) / MTM Zone 10 is the recommended coordinate system for data management purposes going forward.

Migrating to NAD83 (CSRS) / MTM zone 10

CITYPRJ (NAD27 MTM Zone 10) and CITYGCS (WGS84) data will remain active in the IGEDM database until the end of 2019. The GCC highly encourages you to transition to the IGEDMG2 database using CITYMTM (NAD83 (CSRS) / MTM Zone 10) data as early as possible. Please contact gcc@toronto.ca if you need assistance.

There will be very limited corporate support for NAD27 MTM Zone 10 going forward. It is recommended to switch to NAD83 (CSRS) as soon as possible.

Expand
titleReprojection of Data

from NAD27 MTM Zone 10 to NAD83 (CSRS) / MTM Zone 10

ArcCatalog

Prerequisites – ArcCatalog:

  • Download this geographic transformation file (.gtf) to your ArcGIS Desktop user profile location:
    C:\Users\<username>\AppData\Roaming\ESRI\Desktop10.x\ArcToolbox\CustomTransformations
    – Create the "CustomTransformations" folder if necessary

  • Download this transformation file (.gsb) to the ArcGIS Desktop install folder location:
    C:\Program Files (x86)\ArcGIS\Desktop10.x\pedata\ntv2\canada
    – Create the "canada" folder if necessary

For Internet Explorer (IE) users

Please "right click" the file "Save target as..." to initiate the above file downloads.

Steps to Project in ArcCatalog:

Project Geoprocessing ToolImage AddedSpatial Reference PropertiesImage AddedSpatial Reference Properties screen, click on the star iconImage AddedSpatial Reference Properties screen, click OKImage AddedProject screen, all values populatedImage Added

  1. Open ArcCatalog

  2. Launch ArcToolBox

  3. Launch the Project Geoprocessing Tool (Data Management Tools> Projections and Transformation > Project

  4. In Input Dataset or Feature Class, browse to your input NAD27 MTM 10 dataset

  5. The Input Coordinate System updates to show MTM_3Degree

  6. Specify an Output Dataset or Feature Class

  7. Click on the button beside Output Coordinate System screen to bring up the Spatial Reference Properties window

  8. In the Search text box, type CSRS and click Search

  9. Expand Project Coordinate Systems > National Grids > Canadaand then select NAD 1983 CSRS MTM 10

  10. Click on the star icon to add to your list of favorites for easy access

  11. With NAD 1983 CSRS MTM 10 selected, click OK

  12. By default, the tool selects the custom transformation installed Toronto NAD 1927 (1974) to NAD 1983 CSRS (1997) Version 1. Click OK to begin reprojecting

ArcGIS Pro

Prerequisites – ArcGIS Pro:

  • Download this geographic transformation file (.gtf) to your ArcGIS Pro user profile location:
    C:\Users\<username>\AppData\Roaming\ESRI\ArcGISPro\ArcToolbox\CustomTransformations
    – Create the " CustomTransformations" folder if necessary

  • Download this transformation file (.gsb) to the ArcGIS Pro install folder location:
    C:\Program Files\ArcGIS\Pro\Resources\pedata\ntv2\canada.
    – Create the "canada" folder if necessary

For Internet Explorer (IE) users

Please "right click" the file "Save target as..." to initiate the above file downloads.

Steps to Project in ArcGIS Pro:

Find Tool,search for ProjectImage AddedCoordinate System screenImage AddedCoordinate System, select NAD 1983 CSRS MTM 10Image AddedCoordinate System screen, select star iconImage AddedGeoprocessing screen, populated with all required valuesImage Added

  1. Open ArcGIS Pro

  2. In the Analysis ribbon, click on Tools to open the Geoprocessing window

  3. In Find Tools, search for Project and launch the Project (Data Management Tools) tool

  4. In Input Dataset or Feature Class, browse to your input NAD27 MTM 10 dataset

  5. Specify an Output Dataset or Feature Class

  6. Click on the button beside Output Coordinate System to bring up the Spatial Reference Properties window

  7. In the Search text box, type CSRS and hit Enter on your keyboard

  8. Expand Projected Coordinate Systems > National Grids > Canadaselect NAD 1983 CSRS MTM 10

  9. Click on the star icon to add to your list of favorites for easy access

  10. With NAD 1983 CSRS MTM 10 selected, click OK

  11. By default, the tool selects the custom transformation installed Toronto NAD 1927 (1974) to NAD 1983 CSRS (1997) Version 1. Click OK to begin reprojecting