GCCVIEW State of Good Repair

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.

Who and/or what is affected:All GCCVIEW usersAll GPAG2 usersApplications that reference the legacy web map serivces and basemaps

*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.

Stay Tuned:

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.
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

GCCVIEW Life Cycle

Esri has announced that ArcMap 10.8.x series will be the final release series of ArcMap and will be supported until March 1st, 2026 as established in the ArcGIS Desktop Product Life Cycle.

Table 1 below summarizes the ArcGIS Product versions that are supported in the Enterprise Geospatial Environment (EGE) and their support timeline. The 'Retired' dates are per Esri's product life cycle and deprecation plan.

	Version	GCC Support	Retired
ArcGIS Pro	2.9.x	Now – Nov 2024	Dec 1, 2024
	2.8.x	Now – May 2024	June 1, 2024
	2.7.x	Now – Dec 2024	Jan 1, 2024
	2.6.x	Now – Jul 2023	Aug 1, 2023
	2.5.x	Now – Feb 2023	Mar 1, 2023
	2.4.x	N/A	July 1, 2022
	2.3.x	N/A	Jan 1, 2022
ArcMap & ArcCatalog	10.8.x	Now – Feb 2026	Mar 1, 2026
	10.7.x	Now – Feb 2025	Mar 1, 2025
	10.6.x	Now – Feb 2024	Jan 1, 2024

Table 1: Enterprise Geospatial Environment (EGE) Support Timeline

For more information regarding Esri Product life cycle, please visit:

https://support.esri.com/en/Products/Desktop/arcgis-desktop/arcmap/10-8-2#product-support
https://support.esri.com/en/Products/Desktop/arcgis-desktop/arcgis-pro/2-9-6#product-support
https://support.esri.com/en/arcmap-esri-plan

Current Technology and Versions

Table 2 indicates the current Oracle and geodatabase versions of GCCVIEW (IGEDMG2) and GPAG2.

	GCCView	GPAG2
Oracle	18c	18c
Geodatabase	10.6.1	10.6.1

Table 2: Current Oracle geodatabase versions in Enterprise Geospatial Environment (EGE)

The GCC recommends upgrading to the following configurations to access GCCVIEW (IGEDMG2) and GPAG2. Both configurations can be installed simultaneously on users' PCs.

	GCCView / GPAG2
Oracle Client ¹	19c
ArcGIS Pro (64-bit) versions	Latest release of 2.9.x ²
ArcGIS Desktop (32-bit) versions	10.8.2

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

If you are using the GCC license manager gccmslm.corp.toronto.ca, please skip this step.

If you are not using the GCC license manager, contact the administrator of your division's license manager to upgrade it to version v2021.1 or later.

Upgrade ArcGIS Software – Deadline: Dec 31st, 2023

If you are still on ArcGIS Desktop 10.6.1 or lower, submit a request to TSD Service Desk to upgrade to ArcGIS 10.8.2 and/or ArcGIS Pro 2.9.x. ArcGIS 10.6.1 MUST be upgraded before December 31st, 2023. After this date, ArcGIS 10.6.1 will not be supported.

Depreciation Notes

CITYPRJ and CITYGCS Database Schema

Since the announcement of the decommission of CITYPRJ and CITYGCS schemas in late 2019, the GCC has worked with many clients to migrate to the CITYMTM schema (NAD83 (CSRS) / MTM zone 10).

We are happy to announce that the decommission of the CITYPRJ and CITYGCS in GCCVIEW for desktop users has been completed as of October 1st, 2022. Further to this, map services that were published using the two legacy schemas will no longer be available. Please refer to the next few sections for more details on web service deprecation.

Legacy MTM and WEBM Web Services

As a follow-up to the deprecation of the two schemas at the database level, GCC is making similar changes to the web services that were published using these schemas. If you have any dependencies on legacy web services, please update your web maps or web applications to use the current URLs to avoid service disruption.

Legacy Dynamic Web Services

The GCC served two sets of dynamic web services (aka map services), one set with MTM as a suffix (e.g. cot_geospatial_mtm, Projection: NAD27 MTM) and another set with WEBM as a suffix (e.g. cot_geospatial_webm, Projection: Web Mercator Auxiliary Sphere). For example,

WEBM

Intranet:
https://insideto-gis.toronto.ca/arcgis/rest/services/primary/cot_geospatial_webm/MapServer
Internet:
https://gis.toronto.ca/arcgis/rest/services/primary/cot_geospatial_webm/MapServer

MTM

Intranet:
https://insideto-gis.toronto.ca/arcgis/rest/services/primary/cot_geospatial_mtm/MapServer
Internet:
https://gis.toronto.ca/arcgis/rest/services/primary/cot_geospatial_mtm/MapServer

These legacy MTM and WEBM web services will be completely removed internally (https://insideto-gis.toronto.ca) on March 31st, 2023 and externally (https://gis.toronto.ca) on May 31st, 2023.

	Web services Retired
https://insideto-gis.toronto.ca	March 31st, 2023
https://gis.toronto.ca	May 31st, 2023

Legacy Basemaps

Similar to the web services, the GCC served two sets of basemap services (or basemaps), one set with MTM as a suffix (e.g. cot_basemap_mtm) to support NAD27 and another set with WEBM as a suffix (e.g. cot_basemap_webm) to support Web Mercator Auxiliary Sphere.

The GCC will remove all internal MTM and WEBM basemaps in the primary folder on March 31st, 2023, and externally (https://gis.toronto.ca) on May 31st, 2023.

	Basemaps Retired
https://insideto-gis.toronto.ca	March 31st, 2023
https://gis.toronto.ca	May 31st, 2023

Current Web Services

Current Dynamic Web Services

The GCC continues to serve web services in Web Mercator Auxiliary Sphere web services, which are published from CITYMTM schema (NAD83 CSRS - MTM Zone 10).

To get to the current cot_geospatial web service:

Intranet: https://insideto-gis.toronto.ca/arcgis/rest/services/cot_geospatial/MapServer
Internet: https://gis.toronto.ca/arcgis/rest/services/cot_geospatial/MapServer

Current Basemaps

The WEBM Basemaps have been moved to the basemap folder and the suffix (webm) on the basemap name has been dropped. For example, cot_ortho_webm has become cot_ortho.

Navigate to the basemap folder to retrieve the current URL of a basemap:
Intranet: https://insideto-gis.toronto.ca/arcgis/rest/services/basemap
Internet: https://gis.toronto.ca/arcgis/rest/services/basemap

Note: cot_basemap_webm has been renamed to cot_topo.

Required Action for updating to the current URLs – Deadline March 31st, 2023

Custom web applications

Contact the developers of the custom web application to update to the new URLs. If you need assistance, please contact gcc@toronto.ca as early as possible for assistance.

Web maps and web applications in ArcGIS Enterprise

Web service URLs can be updated using the ArcGIS Online Assistant application. For detailed instructions, please see How to Update URLs of Portal Items

FAQ

What to do if I am already on ArcGIS Pro 3.0

There's no need to downgrade unless you encounter a problem. However, there are a few things to be aware of when you are on ArcGIS Pro 3.0. Because ArcGIS Pro 3.0 is a major release, the files it saves may or may not work with the ArcGIS Pro 2.x series:

Projects and project templates saved using ArcGIS Pro 3.0 cannot be opened by ArcGIS Pro 2.x.
Project packages can be created in 3.0 and opened as a project in 2.x.
You cannot save a copy of an ArcGIS Pro 3.0 project that can be opened with any 2.x version of ArcGIS Pro. If a project is saved with a recent version of ArcGIS Pro, such as 2.9, it can be opened with previous versions of ArcGIS Pro 2.x, such as 2.0, but the project will be downgraded in a manner appropriate for the previous version.
If the current project was originally created with ArcGIS Pro 2.x, a warning appears before changes are saved in 3.0. If you proceed, the version of the project will be changed to 3.0, and ArcGIS Pro 2.x will not be able to open it. If the project is shared, consider using 2.x to save a backup copy of the 2.x project before opening and saving it in 3.0
Datasets created in 3.0 may not be compatible with earlier releases.

It is strongly recommended to use the same version of the software for collaboration within the same group. For more information on details of what works and what doesn't after you migrate from ArcGIS Pro 2.x to ArcGIS Pro 3.x, check out this link below:
https://pro.arcgis.com/en/pro-app/latest/get-started/migrate-2x-to-3.htm

What to do if I am already on Oracle 18c or higher

If you are on 18c or higher, there's no need to downgrade unless you encounter a problem.

Oracle client 21c is not officially supported by Esri. Please downgrade to a supported version if you encounter any problems.

Click on the links below to check out the supported Oracle versions for:

ArcGIS Pro 2.9 [LINK]
ArcGIS Pro 3.0 [LINK]

Important information from the previous SOGR

Coordinate 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.

Reprojection 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:

Open ArcCatalog
Launch ArcToolBox
Launch the Project Geoprocessing Tool (Data Management Tools> Projections and Transformation > Project
In Input Dataset or Feature Class, browse to your input NAD27 MTM 10 dataset
The Input Coordinate System updates to show MTM_3Degree
Specify an Output Dataset or Feature Class
Click on the button beside Output Coordinate System screen to bring up the Spatial Reference Properties window
In the Search text box, type CSRS and click Search
Expand Project Coordinate Systems > National Grids > Canadaand then select NAD 1983 CSRS MTM 10
Click on the star icon to add to your list of favorites for easy access
With NAD 1983 CSRS MTM 10 selected, click OK
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:

Open ArcGIS Pro
In the Analysis ribbon, click on Tools to open the Geoprocessing window
In Find Tools, search for Project and launch the Project (Data Management Tools) tool
In Input Dataset or Feature Class, browse to your input NAD27 MTM 10 dataset
Specify an Output Dataset or Feature Class
Click on the button beside Output Coordinate System to bring up the Spatial Reference Properties window
In the Search text box, type CSRS and hit Enter on your keyboard
Expand Projected Coordinate Systems > National Grids > Canadaselect NAD 1983 CSRS MTM 10
Click on the star icon to add to your list of favorites for easy access
With NAD 1983 CSRS MTM 10 selected, click OK
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