Dual Maps 3D URL Parameter Reference
All parameters are optional. Defaults are applied automatically when a parameter is absent.
Parameters are passed as a standard query string to dem1.htm (or the Blazor
route /dualmaps3D).
Core Map
| Parameter | Type | Default | Description |
|---|---|---|---|
lat |
float | 37.791809 |
Initial centre latitude for all three panels. |
lng |
float | -122.390427 |
Initial centre longitude for all three panels. |
z |
integer | 18 |
2D map zoom level (1–22). |
gm |
integer | 0 |
2D map type.
|
panel |
string | mse |
Which panels to display. Combine letters in any order:
m = 2D Map, s = Street View, e = 3D Earth.
Example: panel=ms hides the 3D panel.
|
mw |
0 / 1 | 1 |
Enable mousewheel scrolling on the 2D map. |
pv |
0 / 1 | 1 |
Show Google Maps POI (points of interest) on the 2D map. |
Street View
| Parameter | Type | Default | Description |
|---|---|---|---|
slat |
float | same as lat |
Street View camera latitude. |
slng |
float | same as lng |
Street View camera longitude. |
sh |
float | auto | Street View heading in degrees (0–360). When absent, the camera auto-faces the place marker. |
sp |
float | 0 |
Street View pitch in degrees (-90 to +90). Positive values look up. |
sz |
float | 1 |
Street View zoom level. |
pano |
string | none |
Google Street View panorama ID. When supplied, the exact panorama is restored rather
than the nearest available panorama at slat/slng.
URL-encoded.
|
3D Earth Camera
| Parameter | Type | Default | Description |
|---|---|---|---|
et |
float | 45 |
3D camera tilt from vertical in degrees (0 = top-down, 90 = horizon). |
er |
float | 400 |
3D camera range (distance) from the centre point in metres. |
eh |
float | 0 |
3D camera heading in degrees (0 = north, clockwise). |
Place Marker
| Parameter | Type | Default | Description |
|---|---|---|---|
pt |
string | none | Place title shown on the marker info window. URL-encoded. |
pd |
string | none | Place description shown below the title in the info window. URL-encoded. |
mv |
0 / 1 | 1 |
Show the place marker on the 2D map. |
md |
0 / 1 | 1 |
Allow the place marker to be dragged to reposition the view. |
Search
| Parameter | Type | Default | Description |
|---|---|---|---|
search |
string / 0 | 1 |
Address search provider shown in the header.
|