My Projection Collection:
Compare Projections
BSAM Cylindrical vs. Gall Stereographic
BSAM Cylindrical | Gall Stereographic | |
---|---|---|
Creator | V.A. Kamenetskiy (1937) | James Gall (1855) |
Group | Cylindric | Cylindric |
Property | Compromise | Compromise |
Other Names |
|
— |
Remarks | — | — |
recommended comparisons | Gall Stereographic Tobler Cylindrical 1 Urmayev II Cylindrical |
BSAM Cylindrical Gall-Bomford Times |
This pairing is among the list of recommended pairings – but why? BSAM is a modified Gall Stereographic, with standard parallels at 30°. |
1. Comparison: Physical Map – scaled to fit
2. Comparison: Political Map – scaled to fit
BSAM Cylindrical
![BSAM Cylindrical](/img/political/bsam-cylindrical.png)
Gall Stereographic
![Gall Stereographic](/img/political/gall-stereographic.png)
3. Comparison: Silhouette Map – scaled to fit
![BSAM Cylindrical Silhouette Map](/img/rot/bsam-cylindrical.png)
![Gall Stereographic Silhouette Map](/img/gruen/gall-stereographic.png)
4. Comparison: Tissot Indicatrix, 30° – scaled to fit
BSAM Cylindrical
![BSAM Cylindrical Tissot Indicatrix](/img/tissot-30/bsam-cylindrical.jpg)
Gall Stereographic
![Gall Stereographic Tissot Indicatrix](/img/tissot-30/gall-stereographic.jpg)
5. Comparison: Physical Map – scaled to same width
BSAM Cylindrical
![BSAM Cylindrical](/img/jpg-w/bsam-cylindrical.jpg)
Gall Stereographic
![Gall Stereographic](/img/jpg-w/gall-stereographic.jpg)
6. Comparison: Political Map – scaled to same width
BSAM Cylindrical
![BSAM Cylindrical](/img/political-w/bsam-cylindrical.png)
Gall Stereographic
![Gall Stereographic](/img/political-w/gall-stereographic.png)
7. Comparison: Silhouette Map – scaled to same width
![BSAM Cylindrical Silhouette Map](/img/rot-w/bsam-cylindrical.png)
![Gall Stereographic Silhouette Map](/img/gruen-w/gall-stereographic.png)
8. Comparison: Tissot Indicatrix, 30° – scaled to same width
BSAM Cylindrical
![BSAM Cylindrical Tissot Indicatrix](/img/tissot-30-w/bsam-cylindrical.jpg)
Gall Stereographic
![Gall Stereographic Tissot Indicatrix](/img/tissot-30-w/gall-stereographic.jpg)
9. Comparison: Tissot Indicatrix, 15° – scaled to fit
BSAM Cylindrical
![BSAM Cylindrical Tissot Indicatrix](/img/tissot-15/bsam-cylindrical.jpg)
Gall Stereographic
![Gall Stereographic Tissot Indicatrix](/img/tissot-15/gall-stereographic.jpg)
10. Comparison: Tissot Indicatrix, 15° – scaled to same width
BSAM Cylindrical
![BSAM Cylindrical Tissot Indicatrix](/img/tissot-15-w/bsam-cylindrical.jpg)
Gall Stereographic
![Gall Stereographic Tissot Indicatrix](/img/tissot-15-w/gall-stereographic.jpg)